text:
A launch monitor system including a light source and at least one camera unit with an electronic shutter. The camera unit captures at least one image of an object in flight when the electronic shutter is activated. A computer receives signals related to the image and computes launch conditions for the object. The system also computes and displays object trajectories from the computed launch conditions and a predetermined set of lift and drag parameters which account for the characteristics of the object and the atmospheric conditions.
1. A launch monitor system for measuring launch conditions of an object moving in a predetermined field-of-view, the system comprising:
a light source directing light into the predetermined field-of-view at least when the object is in the predetermined field-of-view;
a first camera unit pointed toward the predetermined field-of-view, wherein the first camera unit captures at least a first pair of images of the object on a single frame while the object is moving in the predetermined field-of-view, and wherein the first pair of images correspond to electronic activations of a first electronic shutter;
a second camera unit pointed toward the predetermined field-of-view, wherein the second camera unit captures at least a second pair of images of the object on a single frame while the object is moving i the predetermined field-of-view, and wherein the second pair of images correspond to electronic activations of a second electronic shutter;
a computer to control the system and determine the launch conditions of the object from said images;
a calibration fixtore having reflective markings in at least three different planes;
a line-of-sight of each camera unit; and
at least one telescoping member for calibrating the system, wherein said calibration fixture includes a receiving element for receiving an end portion of said telescoping member, thereby placing the calibration fixture at an intersection of line-of-sight of the camera units.
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26. A launch monitor system for measuring launch conditions of an object moving in a predetermined field-of-view, the system comprising:
a light source directing light into the predetermined field-of-view at least when the object is in the predetermined field-of-view;
a first camera unit including an electronic shutter, said camera being pointed toward the predetermined field-of-view to create at least one image of the object while moving in the predetermined field-of-view;
a second camera unit including an electronic shutter, said camera being pointed toward the predetermined field-of-view to create at least one image of the object while moving in the predetermined field-of-view; and
a computer to control the system and determine the launch conditions of the object from said images,
wherein each of the camera units has a line-of-sight, and the lines-of-sight intersect at an intersection located at a predetermined distance from the system that lies within the predetermined field-of-view, and a distance calibrator includes an extendable member whose extended length corresponds to the distance from the system to said intersection of the lines-of-sight of the camera units.
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29. The launch monitor system of claims 28, wherein the charge coupled devices comprise 753 pixels�244 pixels.
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36. A launch monitor system for measuring launch conditions of an object moving in a predetermined field-of-view, the system comprising:
a light source directing light into the predetermined field-of-view at least when the object is in the predetermined field-of-view;
a first camera unit including an electronic shutter, said camera being pointed toward the predetermined field-of-view to create at least one image of the object while moving in the predetermined field-of-view;
a second camera unit including an electronic shutter, said camera being pointed toward the predetermined field-of-view to crate at least one image of the object while moving in the predetermined field-of-view; and
a computer to control the system and determine the launch conditions of the object from said images, wherein the computer activates the first and second electronic shutters at least one time while the object is moving in the predetermined field-of-view,
wherein each of the camera units has a line-of-sight, and the lines-of-sight intersect at an intersection located at a predetermined distance from the system that lies within the predetermined field-of-view, and a distance calibrator includes an extendable member whose extended length corresponds to the distance from the system to said intersection of the lines-of-sight of the camera units.
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This application is a continuation of U.S. patent application Ser. No. 09/156,611, filed Sep. 18, 1998, now U.S. Pat. No. 6,241,622, the entire disclosure of which is incorporated by reference herein.
The present invention relates to a device that measures the launch conditions of an object. More particularly, the present invention is directed to a multi-shutter camera system for use with golf equipment. Further, the present invention is directed to a method of calculating the trajectory of an object based on the measured launch conditions.
Apparatus for measuring golf ball launch conditions are known as disclosed in U.S. Pat. Nos. 4,063,259; 4,375,887; 4,158,853; and 4,136,387. Techniques of detecting golf club head position and golf ball position shortly after impact using photoelectric means to trigger a flash to permit a photograph to be taken of the club head have been disclosed (U.S. Pat. Nos. 4,063,259 and 4,375,887). Golf ball or golf club head movement has been determined by placing reflective areas on a golf ball and using electro-optical sensors (U.S. Pat. No. 4,136,387). The electro-optical sensing of light sources on both the golfer's body and club has also been disclosed in U.S. Pat. No. 4,137,566. In addition, apparatus for monitoring a golfer and the golf club being swung has also been disclosed (U.S. Pat. No. 4,137,566).
One particularly troublesome aspect of past systems for measuring golf ball launch conditions relates to their lack of portability. In this regard, prior systems have generally required cameras, sensors and strobe lights set up in various positions about the golfer. In addition, past systems have not had the ability to be utilized outdoors but have had to be set up indoors under less than ideal or realistic golfing conditions. As prior golf ball and/or golf club monitoring systems have not been portable and have not been capable of practical use outdoors, the systems have not been usable in the most desirable teaching or club fitting locations, e.g., on an outdoor driving range.
One additional area that has not been adequately addressed by past golf ball launch monitoring systems relates to the area of predicting flight path differences based on different physical characteristics of golf balls and/or different atmospheric conditions that a golfer may encounter after being tested by the launch monitor system. It would therefore be desirable to provide a system, which measures the launch or launch conditions of a golf ball having a particular construction, such as a two-piece construction, under ideal atmospheric conditions. Then provide the golfer with revised golf ball flight results based on computer predictions for golf balls having different physical characteristics (such as a three-piece golf ball) and different atmospheric conditions (such as higher elevations, higher humidity or more adverse wind conditions).
Other systems, even if portable, have required the use of a strobe light to take multiple images of the object on one frame. The strobe lights are used as shuttering means to freeze the object in a frame at several times. Also, at least three retro-reflective material markers are used on the object to provide reflection of light from the strobe light for the camera to take the images. The retro-reflective material markers, because of their thickness, may effect the results of the motion analysis for the golf ball. Furthermore, it is recommended that these markers are placed at precise locations on the object. This is labor intensive and difficult.
Therefore, an improved multi-shutter camera system is desired.
Broadly, the present invention comprises method and apparatus for measuring the speed, direction, spin and orientation of an object and from such data computing the launch conditions of the object.
In particular, the present invention contemplates a launch monitor system for measuring launch characteristics of a golf ball from data taken when the golf ball is in a predetermined field-of-view. The system preferably includes a light source and at least one camera unit having an electronic shutter. Unlike previous systems, the light source provides a source of light at least when the object is in the field-of-view. A strobe light is not needed to make an image as the electronic shutter replaces the strobe light. Further, because an electronic shutter and a non-flashing light source are used, retro-reflective material markers are not required.
In one embodiment, may include slide pads, wheels, or combinations of both. The support elements may be height-adjustable to vary the orientation and direction of view of the system and, specifically, the camera unit. As an additional aspect of the invention, a distance calibrator may be provided for calibrating the distance between the camera unit or units and the predetermined field-of-view.
Additionally, the present invention describes a method of calculating the trajectory of an object based on launch conditions measured while an object is moving in a predetermined field-of-view. Specifically, the method provides for taking at least one image of the object while it is in the field-of-view and calculating the launch conditions therefrom.
Reference is made to a brief description of the drawings, which are intended to illustrate several embodiments of a multi-shutter camera system of the present invention.
FIG. 1 is a perspective view of a first embodiment of a multi-shutter camera system the present invention;
FIG. 2 is a top view thereof;
FIG. 2A is a top view of a variation of the first embodiment;
FIG. 2B is a top view of another variation of the first embodiment;
FIG. 3 is a side elevational view of the system shown in FIGS. 1 and 2;
FIG. 4 is an elevational view of a light receiving and sensory grid panel located in each camera;
FIGS. 5-5B are perspective views of a three-dimensional rectilinear field showing various golf balls at two different positions I and II;
FIGS. 6-6A are perspective views of two variations of a second embodiment of the present invention;
FIGS. 7-7A are top views of the system shown in FIGS. 6-6A and generally showing calibration of the system;
FIG. 8 is a side elevational view of the system during calibration as shown in FIG. 7;
FIG. 9 is a top view of the system shown in FIGS. 6-8 and generally showing a golf ball in place under operating conditions;
FIG. 10 is a partial, cut-away top view of the system shown in FIGS. 6-9;
FIG. 11 is a perspective view of a calibration fixture carrying fifteen illuminated areas;
FIG. 12 is an example of a rod of FIGS. 7-7A useful for allowing movement of the system, wherein the rod is unassembled;
FIG. 13 is an elevational view of the rod of FIG. 12 shown in an assembled condition;
FIG. 14 is a flow chart describing operation of the system;
FIG. 15 is a flow chart describing calibration of the system;
FIG. 16 is a flow chart describing determination of markers in an image;
FIG. 17 is a graph showing trajectories of golf balls as calculated by the system; and
FIG. 18 is an example of a contour map of the total distance a golf ball travels under specified conditions.
FIG. 1 illustrates a preferred first embodiment of the invention in the form of a portable launch monitor system 10 including a base or support structure 12 and attached support elements 14, 16. Support elements 14, 16 are specifically shown as slide pads each including V-shaped notches 18, 20, which allow the pads 14, 16 to slide along a rod 22. Another slide pad 24 attached to the system 10 at the rear (shown in FIG. 3) similarly slides along a rod 26. One or more slide pads 14, 16, and 24 may be replaced by other support elements with different configurations or methods of moving, such as wheels. The term "slide pads" means any elements allowing the system 10 to slide or move back and forth relative to a predetermined field-of-view or parallel to a flight pattern of an object. Slide pads 14, 16 include a height adjustment feature allowing the front comers of system 10 to be raised or lowered for leveling purposes. Specifically, each slide pad 14, 16 is attached to support structure 12 by respective threaded rods 28, 30 and nuts 32, 34 fixed to the support structure 12. Rods 28, 30 each include a drive portion 28 a, 30 a that may be used to adjust pads 14, 16.
Referring now to FIGS. 1, 2-2A and 3, launch monitor system 10 further includes first and second camera units 36, 38, a centrally disposed control box 40, and a light source 42. First and second camera units 36, 38 are preferably Pulnix TM-6075AN cameras made by Pulnix America, Inc. in Sunnyvale, Calif. The Pulnix TM-6705AN camera is a square pixel, VGA format, black and white full frame shutter camera. The camera features an electronic shutter that allows the camera to take multiple shutter exposures within a frame to capture high speed events. The camera has a small, lightweight, rugged design, making it ideal for portable systems. Charge coupled device or CCD cameras are preferred. The angle between the two cameras' lines of sight is preferably in the range of about 10� to about 30�, with about 22� being most preferable. Each of the cameras 36, 38 also has a light-receiving aperture, and a light sensitive silicon panel 39 (see FIG. 4, showing the silicon panel, which also generally corresponds to an image captured by the cameras and used by the system). The cameras are directed and focused on a predetermined field-of-view through which a golf ball moves and is imaged. Preferably, the light source 42 is a DC source such that the light does not flicker. The light source can be any source of light, even the sun.
As shown in a three-dimensional, predetermined, rectilinear field-of-view (shown in phantom) in FIG. 5, golf ball 41 preferably has at least three (3) reflective, spaced-apart marks or dots 41 a-f placed thereon. Golf ball 41 is shown in two positions I and II to illustrate the preferred embodiment, the positions correspond to the locations of the golf ball 41 when imaged by the system. In positions I and II, the golf ball is shown after being struck. The image taken at position I occurs at a first time and the image taken at position II at a second time. The preferred diameters of the round dots 41 a-f range from one-tenth ({fraction (1/10)}) to one-eighth (⅛) of an inch, but other sized and shaped areas can be used. Because an electronic shutter is used, the panel 39 (as shown in FIG. 4) is exposed for a significantly shorter time than when a mechanical shutter is used. Thus, the retro-reflective material markers used with strobe light sources are unnecessary.
Dots 41 a-f are preferably invisible fluorescent markers that are pad printed or painted on the ball. An interference filter on the camera is preferable, when using marks that fluoresce. The interference filter filters the desired range of light as known by those of ordinary skill in the art. Infrared markings that reflect when irradiated with the proper wavelength source of light can also be used. Colored markers such as red, green or blue can be used on the golf ball. When using colored markers, an interference filter is used on the camera to provide a stronger contrast for the color chosen. Of these colors, red is the most preferred as a CCD camera provides a greater contrast with this color. Retro-reflective markers made with glass beads can also be painted on the golf ball. As described below, reflective panels 48, 50 (as shown in FIG. 2A) are required when using painted retro-reflective markers.
The number of dots or areas may be as few as three (3) and up to six (6) or more for the golf ball, provided each dot or area reflects light from the golf ball in both positions shown in FIG. 5. Preferably, there are six dots on the golf ball. Referring to FIGS. 1-3 and 5, as a result of the positioning of the cameras 36, 38 and the dots 41 a-f, both cameras 36 and 38 are capable of receiving light when the shutter is activated. The light received is reflected by dots 41 a-f, which appear as bright areas 39 a-f on the silicon panel 39 (as shown in FIG. 4) and the corresponding image. Alternatively, the dots may be non-reflective, appearing as dark areas on the silicon panel.
Reflective materials as compared with the coated surface of the golf ball can be as high as nine hundred (900) times brighter where the divergence angle between the beam of light striking the dots 41 a-f and the beam of light from such dots to the camera aperture is zero or close to zero. As the divergence angle increases, the ratio of brightness of such dots 41 a-f to the background decreases. Also, electromagnetic waves outside the range of visible light, such as infrared light, may be used in the light source 42 to make the light source 42 invisible to the golfer.
Referring to FIG. 1, the control box 40 communicates via an asynchronous protocol to the camera units 36, 38 to control their activation to take a picture of the ball several times by use of its multishuttering electronics. Preferably, a 586 Intel based processor with a PCI slot for installation of a MV1000 PCI Bus Frame Grabber, made by MuTech Corporation in Billerica, Massachusetts, is used. The frame grabber is linked to the Pulnix TM-6705AN cameras for directing each camera to take pictures. As shown in FIG. 2, the light source 42 is preferably located between the two cameras 36, 38 such that the light source is perpendicular to the flight path of the object. The light source is constant rather than a strobe-type source. Cameras 36, 38 are fixed on support structure 56, 58 and are thereby disposed with their respective lenses 60, 62 directed to the predetermined field-of-view. Video lines 64, 66 feed the video signals into control box 40 for subsequent use.
Referring to FIG. 2A, an alternative variation of the first embodiment of the system 10′ is shown. The system 10′ has been modified to include a box 47 that has windows 44, 46 and a beam splitter 45 (shown in phantom). The system 10′ is for use if printed retro-reflective markers are used on the golf ball. When these markers are used, the beam splitter 45 and reflector panels 48, 50 are needed. The light source 42 is preferably located between the two cameras 36, 38. The light source 42 is constant rather than a strobe-type source. The locations of the light source 42, beam splitter 45, reflective elements 48, 50 and cameras 36, 38 allow the light directed from the light source 42 to enter the field-of-view and be reflected back from the ball, due to the reflective dots, to the camera lenses 60, 62.
Referring to FIG. 2B, an alternative variation of the first embodiment of the launch monitor system 10″ is shown. The system 10″ has been modified to include a single camera unit 236, an adjacent centrally disposed control box 240, and a light source 242. The camera is preferably a Pulnix TM-6075AN camera as described above. The camera is directed and focused on a predetermined field-of-view in which an object moves and is imaged. The light source 242 is on when the object is in the field-of-view. Preferably, four or more markers are used on the golf ball in the system 10″ using one camera 236. The dots 241 a-d may be placed as shown on the ball 41 in FIGS. 5A and 5B, which show the reflective markers 241 a-d on the golf ball 41 in a three-dimensional predetermined rectilinear field-of-view (shown in phantom). Preferably, fluorescent markers are used. Similarly to the two-camera system, if retro-reflective painted markers are used on the golf ball, the light source can direct light through a window to light reflecting elements or panels using a beam splitter as discussed above.
As shown in FIG. 2B, the camera 236 is fixed on a support structure 256 and is disposed with its lens 260 directed to the predetermined field-of-view. The system functions in a similar manner to the two-camera embodiment. The control box 240 communicates via an asynchronous protocol to the camera 236. In this manner, the actuation of the camera 236 is controlled and the multi-shutting electronics are used to take a picture of the object several times. Video line 264 feeds the video signal to the control box 240 for subsequent use. Thus, the single camera monitors an object's launch conditions. This embodiment can be further modified or expanded, as described below, in regard to the first embodiment having two cameras.
Referring to FIG. 2, preferably, telescoping distance calibrators or members 68, 70 are affixed to support structure 12. The distance calibrators are used in calibrating launch monitor system 10 at the appropriate distance from an object to be monitored. Distance calibrators 68, 70 are extendable members, for example, conventional radio antennae can be used. Calibrators 68, 70 are used in conjunction with a calibration fixture 170 (shown in FIG. 11) and discussed in detail below with respect to the second embodiment. It will be understood that the same calibration fixture is preferably used with both the first and second embodiments. It is recommended to use at least one distance calibrator.
In the first embodiment, a microphone 72 is used to begin the operation of the system 10. Preferably, a second trigger circuit can a synchronously trigger the cameras 36 and 38 to take a picture of the ball at several times by use of the camera's multishuttering electronics. When the golf club hits the golf ball, a first image of the golf ball 41 in the predetermined field-of-view is taken, as shown in FIG. 5, at position I, in response to the sound being transmitted by the microphone 72 to the system 10. The first of the two images needs only to be taken once the golf ball is struck by the club, as illustrated by the golf ball in position I of FIG. 5. The system 10 is preferably used to monitor only the golf ball, although it could also be used to monitor the golf club.
A laser or other apparatus can also be used to initiate the system. For example, the initiator can include a light beam and a sensor. When the moving golf ball passes through the light beam, the sensor sends a signal to the system. When the laser is used, the laser is arranged such that a golf club breaks the laser beam just after (or at the time) of contact with the golf ball. That is, the laser is aligned directly in front of the teed golf ball and the first image is taken as or shortly after the golf ball leaves the tee. The operation of the first embodiment is discussed in detail below after a description of the second embodiment.
FIGS. 6-10 illustrate a second embodiment of the system 100 that allows the second embodiment to be smaller than the first embodiment of the system. Launch monitor system 100 includes a base or support structure 112 that may also have a cover 113 (shown in phantom). Slide members or pads 114, 116 are utilized at a lower front portion of support structure 112 and include notches 118, 120 for receiving a rod 190 along which pads 114, 116 may slide.
As shown in FIGS. 7-8, wheels 122, 124 replace the pad 24 disclosed with respect to the first embodiment shown in FIGS. 1-3. Wheels 122, 124 are attached for rotation and to support structure 112 and includes a handle 126 for allowing an operator to move launch monitor system 100 back and forth along the ground.
Like the first embodiment, the second embodiment of system 100 also includes threaded rods 128, 130 and respective nuts 132, 134 for allowing height adjustment at the front of launch monitor system 100. The wheels may also be height adjusted relative to the support 112 to allow the system 100 to be adjusted depending on the terrain on which the system is placed. Although not shown for the second embodiment, the system 100 also has a computer and monitor 43 (as shown in FIG. 1) electronically connected thereto. The computer and monitor may be combined into a single element or be separate elements. The computer has several algorithms and programs used by the system 100 to make the determinations discussed below.
As further shown in FIGS. 6 and 7, first and second camera units 136, 138 are affixed to support structure 112. The cameras also have light-sensitive silicon panels as in the first embodiment. The cameras 136, 138 each have a line-of-sight, which are illustrated as solid lines in FIG. 9, that are directed to and focused on the predetermined field-of-view. As illustrated in FIG. 9 with the broken lines, the cameras' fields-of-view are larger than are necessary to image just a single golf ball 182. Thus, the predetermined field-of-view is the cameras' fields-of-view at the location where the cameras' lines-of-sight intersect.
As shown in FIG. 10, a control box 140 is provided and includes a light source 142 at a front portion thereof. The light source 142 is on when the object is in the field-of-view and may be infrared or a different wavelength depending on the type of markers used on the golf ball. As shown, the light source 142 is preferably located between the two cameras 136, 138.
Referring to FIG. 6A, if painted retro-reflective markers are used, then, the reflective elements or panels 146, 148 are mounted to support structure 112 in a similar orientation to that discussed above with respect to the first embodiment. Referring to FIGS. 6A and 7A, reflective panels 146, 148 define respective apertures 150, 152. Cameras 136, 138 are mounted such that the lenses 137, 139 are directed through the respective apertures 150, 152 in the reflective panels 146, 148 to the predetermined field-of-view. Referring to FIG. 6A, a third light-reflecting panel 164 reflects one-half the light from the light source into the panel 146. A fourth light-reflecting panel 166 reflects the other half of the light into light reflecting panel 148. To increase the amount of light directed to the reflective elements or panels 146, 148, 164 and 166, the system 100 can use an optical or Fresnel lens 168 as disclosed in another commonly assigned application (application Ser. No. 09/156,611, filed Sep. 18, 1998).
As shown in FIGS. 7-7A, video lines 154, 156 from the respective electro-optical units 136, 138 lead to control box 140. Like the first embodiment, system 100 includes distance calibrators also in the form of antenna 158, 160, and a microphone 162 that also is used to initiate the operation of the system. Again, a laser or other method of initiating the system could be used. The respective set-ups for both the calibration mode and the operation mode of system 100 are shown in FIGS. 7-8 and 9, respectively. The distance calibrators extend to the intersection of the line of sight of the camera units or the field-of-view.
As shown in FIG. 11, and in use with the system in FIGS. 7-8, a calibration fixture 170 is provided to calibrate the system 100. Although this discussion is with reference to system 100, it applies equally to the first embodiment systems 10, 10′ and 10″. The fixture 170 includes receiving elements or tabs 172, 174 extending outwardly from outer legs 176, 178 for receiving an end portion of the distance calibrators 158, 160 (as shown in FIG. 6). When positioned at this location in accordance with the distance calibrators 158, 160, a central leg 180 of fixture 170 is disposed at the proper location for a golf ball 182 used in a launch monitoring operation, as shown in FIG. 9. Golf ball 182 also has the pattern of reflective dots 41 a-f as golf ball 41 (as shown in FIG. 5) in the first embodiment.
Calibration fixture 170 further includes an optical level indicator 184 on a top surface thereof for allowing fixture 170 to be leveled before the calibration procedure. Finally, spikes 186, 188 (as shown in FIG. 8) extending from the bottom of fixture 170 are inserted into the turf to stabilize fixture 170 during the calibration procedure.
Fixture 170 has a pattern of reflective dots 170 a-o, as shown in FIG. 11. Fifteen (15) dots are recommended. Since the horizontal movement of the golf ball is greater than its vertical movement during the time between the two images (see, e.g., FIG. 4), the calibration of the system need not cover as much distance in the vertical direction. Therefore, fewer dots in the vertical direction on the calibration fixture are needed to adequately calibrate the system. It is recommended that the dots are placed about one inch apart, and on three separate X planes that are 1.5 inches apart.
As shown in FIGS. 12 and 13, rod 190 (which may also be the same as rod 22 for system 10) may be easily disassembled for transport and reassembled on site before operation of any of the disclosed launch monitor systems. Specifically, rod 190 may comprise a plurality of sections 190 a-d. Preferably, each of these sections comprises a hollow tube containing a single elastic cord 192 affixed at opposite ends of rod 190. Cord 192 has a relaxed length less than the total length of rod 190 in order to hold sections 190 a-d together. Sections 190 a, 190 b, 190 c have respective reduced diameter portions 194, 196, 198 that fit within respective ends of sections 190 b, 190 c, 190 d. Pins 200, 202 are provided at opposite ends of rod 190 to allow the rod 190 to be secured into the turf.
The use of both systems 10 and 100 is shown generally in FIG. 14.
At step S101, the system starts and determines if this is the first time the system has been used. By default, the system uses the last calibration when it is first activated. Therefore, it is preferred to calibrate the system each time it is moved and/or turned on.
At step S102, the system is calibrated to define the coordinate system to be used by the system. Calibration is discussed in more detail below.
After the system is calibrated, the system's operating parameters are defined at steps 103. This includes setting the system, for either the left- or right-handed orientation, depending on the golfer to be tested. The selection of the left-handed orientation requires the use of one set of coordinates for the left-handed golfer and right-handed system requires the use of another set of coordinates for a right-handed golfer. At this time, the system is also set up in either a test or a demonstration mode. If the test mode is selected, the system saves the test data. In the demonstration mode, the system does not save the data.
At step S103, additional data specific to the location of the test and the golfer is entered as well. Specifically, the operator enters data for atmospheric, environmental or ambient conditions such as temperature, humidity, wind speed and direction, elevation, and type of turf to be used in making the calculations for the golf ball flight, roll, and total distance. The operator also inputs the personal data of the golfer. This personal data includes name, age, handicap, gender, golf ball type (for use in trajectory calculations discussed below), and golf club used (type, club head, shaft, characteristics). Different types of golf balls have different predetermined data files with lift and drag information. The designation of the ball type provides information which indicates which data file of lift and drag information will be used in the calculations. Thus, the selection of the ball will alter the coefficient of lift CL and coefficient of drag Cd data used in the calculation.
After this data is entered, the system is ready for use and moves to step S104. At step S104, the system waits for a sound trigger from the microphone. When there is a sound of a sufficient level or type, the system takes two images (as shown in FIG. 4), using the electronic shutters of the cameras 136, 138 (as shown in FIG. 6-6A) of the golf ball in the predetermined field-of-view, in preferably less than 2000 microseconds. The images recorded by the silicon panel 39 are used by the system to determine the launch conditions of the golf ball.
At steps S105-S107, the system uses several algorithms stored in the computer to determine the location of the golf ball relative to the monitor. After the computer has determined the location of the golf ball from the images, the system (and computer algorithms) determine the launch conditions. These determinations, which correspond to steps S105, S106, and S107, include locating the bright areas in the images, determining which of those bright areas correspond to the dots on the golf ball, and, then using this information to determine the location of the golf ball from the images, and calculate the launch conditions, respectively. Specifically, the system, at step S105, analyzes the images recorded by the cameras by locating the bright areas in the images. Since the golf ball preferably has 6 dots on it, the system should find twelve bright areas that represent the dots in the images from each of the cameras (2 images of the golf ball with 6 dots). The system then determines which of those bright areas correspond to the golf ball's reflective dots at step S106. As discussed in detail below this can be done in several ways.
If only twelve dots are found in the image, the system moves on to step S107 to determine, from the dots in the images, the position and orientation of the golf ball during the first and second images. However, if there are more or less than twelve dots or bright areas found in the images, then at step S108 the system allows the operator to manually edit the images. If too few bright areas are located, the operator adjusts the image brightness, and if too many are present, the operator may delete any additional bright areas. In some instances, the bright areas in the images may be reflections off of other parts of the golf ball or off the golf club head. If it is not possible to adequately adjust the brightness or eliminate those extraneous bright areas, then the system returns the operator to step S104 and the operator has the golfer hit another golf ball. If the manual editing of the areas is successful, however, then the system goes back to step S107.
At step S107, the system uses the identification of the dots in step S106 to determine the location of the centers of each of the twelve dots in each of the two images. Knowing the location of the center of each of the dots, the system can calculate at least one of the golf ball's spin axis of orientation, velocity, and direction information or launch angle and azimuth angle (i.e., the golfer's launch conditions). The azimuth angle is the deviation laterally from the flight path exhibited by the ball.
At step S109, the system uses the spin axis of orientation, velocity and direction information, as well as the environmental conditions and the golf ball information entered at step S103 to calculate the trajectory of the golf ball during the shot. The system estimates where the golf ball lands or carries, and even how far it rolls, and gives a total distance for the shot. Because the system is calibrated in three dimensions, the system also is able to calculate the azimuth angle or if the golf ball has been sliced or hooked, and how far the ball is off line.
This information (i.e., the golfer's launch conditions) is then presented to the golfer at step S110, in numerical and/or graphical formats. At step S111, the system can also calculate the same information as if a different golf ball had been used (e.g., a lower spinning rather than a higher spinning golf ball). It is also possible to determine what effect a variation in any of the launch conditions (golf ball speed, spin axis of rotation, launch angle or azimuth angle) would have on the results.
The golfer also has the option at step S112 to take more shots by returning the system to step S104. If the player chose the test mode at step S103 and several different shots were taken, at step S113 the system calculates and presents the average of all data accumulated during the test. At step S114, the system presents the golfer with the ideal launch conditions for the player's specific capabilities, thereby allowing the player to make changes and maximize distance. The system allows the golfer to start a new test with a new golf club, for example, at step S115, or to end the session at S116.
Now turning to calibration step S102 in detail and turning to FIG. 15, the calibration of the system begins with setting up and leveling the system in step S120. The system is preferably set up on level ground, such as a practice tee or on a level, large field. Obviously, it is also possible to perform the tests indoors, hitting into a net. Referring to FIGS. 6-8, to level the system 100, the operator uses the threaded rods 128, 130 and nuts 132, 134. Referring to FIGS. 7-8, the system 100 is positioned to set the best view of the event and the predetermined field-of-view.
Referring again to FIGS. 15 and 7 at step S121, the calibration fixture 170 is placed in the appropriate location, which is at the end of the distance calibrators 158, 160. The calibration fixture 170 should be level and parallel to the system to ensure the best reflection of the light from the light source 142 (as shown in FIG. 10). Placing the calibration fixture at the end of the distance calibrators 158, 160 ensures that during the test, the calibration fixture 170 and the golf ball are in full view of each of the cameras. Both cameras take a picture of the calibration fixture and send the image to a buffer in step S122.
In step S123, the system, including a calibration algorithm, determines the location of the centers of the spots in each image corresponding to the calibration fixture's reflective dots. In one embodiment, the system locates the centers of these spots by identifying the positions of the pixels in the buffer that have a light intensity greater than a predetermined threshold value. Since the images are two-dimensional, the positions of the pixels have two components (x,y). The system searches the images for bright areas and finds the edges of each of the bright areas. The system then provides a rough estimate of the centers of each of the bright areas. All of the bright pixels in each of the bright areas are averaged and an accurate dot position and size are calculated for all 15 areas. Those with areas smaller than a minimum area are ignored.
Once the location of each of the dots on the calibration fixture with respect to camera are determined, the system should know the true spacing of the dots on the calibration fixture. As shown in FIG. 11, the calibration fixture 170 has dots 170 a-o arranged in three rows and five columns. The X, Y, and Z coordinates of the center of each dot 170 a-o, which are arranged in a three-dimensional pattern, were pre-measured to an accuracy of one of at least one thousandth of an inch on a digitizing table and stored in the computer. The system recalls the previously stored data of the three-dimensional positions of the dots on the calibration fixture relative to one another. The recalled data depends on whether a right-handed (X-axis points toward the golfer) or a left-handed (X-axis points away from the golfer) system is used. Both sets of data are stored and can be selected by the operator at step S124. An exemplary set of these three dimensional X, Y, Z positions for right-hand calibration for the calibration fixture with 15 dots appear below:
An exemplary set of these three dimensional X, Y, Z positions for left-hand calibration for the calibration fixture with 15 dots appear below:
At step S125, using the images of the calibration fixture, the system determines eleven (11) constants relating image space coordinates U and V to the known fifteen X, Y, and Z positions on the calibration fixture. The equations relating the calibrated X(I), Y(I), Z(I) spaced points with the Ui j, Vi j image points are:
where, i=1,15 and j=1,2.
The eleven constants, Di1(I=1,11), for camera 136 (as shown in FIGS. 6-7) and the eleven constants, Di2(I=1,11), for camera 138 (as shown in FIGS. 6-7) are solved from knowing X(I), Y(I), Z(I) at the 15 locations and the 15 Ui j, Vi j coordinates measured in the calibration photo for the two cameras.
In another embodiment, during image analysis the system uses the standard Run Length Encoding (RLE) technique to locate the bright areas. The RLE technique is conventional and known by those of ordinary skill in the art. Image analysis can occur during calibration or during an actual shot. Once the bright areas are located using the RLE technique, the system then calculates an aspect ratio of all bright areas in the image to determine which of the areas are the reflective markers. The technique for determining which bright areas are the dots is discussed in detail below with respect to FIG. 16.
As discussed above, referring to FIG. 14 once the system is calibrated in step S102, the operator can enter data at step S103.
A golf ball is then set on a tee where the calibration fixture was located and the golfer takes a swing. The system is triggered when a sound trigger from the club hitting the golf ball is sent via microphone to the system. The electronic shutter is activated causing a first image to be recorded by both cameras. There is an intervening, predetermined time delay, preferably less than 1000 microseconds, before the electronic shutter is activated again. If the time delay is too long, the field-of-view may not be large enough to capture the golf ball in the cameras' views for both images. The cameras used in the systems 10 and 100 allow for both images (which occur during the first and the second electronic shutter activations) to be recorded in one image frame. Because the images are recorded when the electronic shutter is activated, the shutter activations can be as close together as needed.
This sequence produces an image of the reflections of light off of the printed dots on each light sensitive panel of the cameras. The location of the dots in each of the images are preferably determined with the RLE technique which was discussed for the calibration fixture.
The technique used for determining the aspect ratio to determine which bright areas are dots will now be described in conjunction with FIG. 16. As shown in step S130, the image has an appropriate brightness threshold level chosen. By setting the correct threshold level for the image to a predetermined level, all pixels in the image are shown either as black or white. At step S131, the images are segmented into distinct segments, corresponding to the bright areas in each of the images. The system, at step S132, determines the center of each area by first calculating the following summations at each of the segments using the following equations:
Once these sums, which are the sums of the bright areas, have been accumulated for each of the segments in the image, the net moments about the x and y axis are calculated using the following equations:
where AREA is the number of pixels in each bright area.
At step S133, the system eliminates those areas of brightness in the image that have an area outside a predetermined range. Thus, areas that are too large and too small are eliminated. In the preferred embodiment, the dots on the golf ball are �″-⅛″ and the camera has 753�244 pixels, so that the dots should have an area of about 105 pixels in the images. However, glare by specular reflection, including that from the club head and other objects, may cause additional bright areas to appear in each of the images. Thus, if the areas are much less or much more than 105 pixels, then the system can ignore the areas since they cannot be a marker on the golf ball.
For those areas that remain (i.e., that are approximately 105 pixels), the system determines which are the correct twelve in the following manner. The system assumes that the dots leave an elliptical shape in the image due to the fact that the dots are round and the golf ball's movement during the time that the electronic shutter is activated. Therefore, at step S134 the system then calculates the principal moments of inertia of each area using the following equations:
Next, the system converts the dot locations (determined at step S135, FIG. 16) in the golf ball coordinate system to the reference global system of the calibrated cameras 136, 138 using the following matrix equation:
where Xg, Yg, Zg are the global coordinates of the center of the golf ball. The column vector, Tx,Ty,Tz, is the location of the center of the golf ball in the global coordinate system. The matrix elements Mij(i=1,3; j=1,3) are the direction cosines defining the orientation of the golf ball coordinate system relative to the global system. The three angles a1,a2,a3 describe the elements of matrix Mij in terms of periodic functions. Substituting matrix equation for the global position of each reflector into the set of four linear equations shown above, a set of 24 equations result for the six unknown variables (Tx,Ty,Tz,a1,a2,a3). A similar set of 24 equations are solved for the second image of the golf ball. Typically, the solution of the three variables Tx,Ty,Tz and the three angles at a1,a2,a3 that prescribed the rotation matrix M is solvable in four iterations for the 24 equations that are simultaneously satisfied.
The kinematic variables, three components of translational velocity and three components of angular velocity in the global coordinate system, are calculated from the relative translation of the center of mass and relative rotation angles that the golf ball makes between its two image positions.
The velocity components of the center of mass Vx,Vy,Vz along the three axes of the global coordinate system are given by the following equations:
(Eqs. 14, 15 and 16, respectively) in which t is the time of the first electronic shutter measurement of Tx,Ty,Tz and ΔT is the time between images.
The spin rate components in the global axis system result from obtaining the product of the inverse orientation matrix, MT(t) and M(t+ΔT). The resulting relative orientation matrix, A, A(t,t+Δt)=M(t+Δt)MT(t), measures the angular difference of the two electronic shutter golf ball images.
The magnitude Θ of the angle of rotation about the spin axis during the time increment ΔT is given by:
here, R={square root over (l2+m2+n2)}; l=A32−A23; m=A13−A31; and n=A21−A12.
The three orthogonal components of spin rate, Wx,Wy,Wz, are given by the following equations:
Finally, at step S136 the aspect ratio is calculated using the following equation:
and the dot is rejected at step S137 if the aspect ratio is greater than four or five.
Returning to FIG. 14, once the locations of the dots are determined, the system computes the translational velocity of the center of the golf ball and angular velocity (spin rate) of the golf ball at step S107 in the following manner. First, the system uses the triangulation from the data of cameras to locate the position of the six dots on the surface of the golf ball. Specifically, the system solves the set of four linear equations shown below to determine the position (x,y,z) in the golf ball's coordinate system of each dot on the surface of the golf ball.
where Dij are the eleven constants determined by the calibration method at steps S102 (FIG. 14) and S125 (FIG. 15), where i identifies the constant and j identifies the image.
At step S109 of FIG. 14, the system, including a computer algorithm, then computes the trajectories for the tests using the initial velocity and initial spin rate which were computed in step S107. For each time increment, the system interpolates the forces on the golf ball at time T and calculates the velocity at time T+1 from the velocity of the golf ball and the forces on the golf ball at time T. Next, the system computes the mean velocity and the Reynold's number, which is the ratio of the flow's inertial forces to the flow's viscous forces during the time interval from time T to time T+1. The system then interpolates the mean forces, from which the system calculates the velocity at time T+1. The forces include the drag force, the lift due to the spin of the golf ball, and gravitational forces. Using the velocity at time T+1, the system can compute the position at time T+1. Finally, the system computes the spin rate at time T+1. In the preferred embodiment, the length of the time interval is 0.1 seconds. This calculation is performed until the golf ball reaches the ground.
The system uses the following equations to perform these calculations. For the drag force on the golf ball, the force is calculated by:
Cd=drag coefficient previously determined and stored in a data file that is called when the golf ball type is selected;
ρ=density of air−entered at step S103, the beginning of the test;
|VBf|=magnitude of the velocity of the golf ball; and
A=the cross-sectional area of the golf ball—also predetermined once the golf ball selected.
The lift, caused by the spin of the golf ball, is perpendicular to the velocity direction and spin direction and is given by:
where nL, Nω, and nVB are the direction cosines of the lift force, the angular rotation of the golf ball, and the velocity of the golf ball, respectively.
The magnitude of the lift is given by:
where CL is the lift coefficient and the other terms being defined above.
Therefore, the applied aerodynamic force on the golf ball becomes
The velocity and spin of the golf ball are then transformed into the X, Y, and Z directions so that generalized velocities and rotational velocities are given by
where u9, u10, and u11 are the velocities in the X, Y, and Z directions; and u12, u13, and u14 are the spin velocities in the X, Y, and Z directions.
Using equations Eqs. 26-30 the system obtains the following second order differential equations:
n 1x *F 1 −n Vbx *F d −m B *u 9=0 (Eq. 32)
n1x, n1y, n1z are the direction cosines of the force in the X, Y, and Z directions, respectively;
nVbx, nVby, and nVbz are the directions of the velocity vectors in the X, Y, and Z directions, respectively;
mB is the mass of the ball; and
mB*g relates to the gravitational force exerted on the golf ball in the Z direction.
The second order differential equations Eqs. 32-34 are then solved for each time step, preferably every 0.1 second using the drag and lift coefficients (Cd and CL) from data files, or from another source, based upon the velocity (VBf) and angular velocity (ωBf) at each of those time steps.
The trajectory method repeats this procedure for successive time intervals until the computed elevation component of the golf ball's position is less than a predetermined elevation, usually zero or ground level. Referring to FIG. 17, when the golf ball reaches ground level, the method interpolates to compute the ground impact conditions including final velocity, trajectory time, impact angle, and spin rate. Using a roll model based on empirical data and golf ball data input by the operator, the system computes the final resting position of the golf ball using the just-computed ground impact conditions. Accordingly, the system computes the total distance from the tee to the final resting position of the golf ball. A data file stores the results computed by the trajectory method.
At step S112 (shown in FIG. 14), the system then determines whether an additional test should be performed. If additional tests are to be performed, the process described above repeats, beginning at step S104 with the sound trigger through step S110 where the trajectory method computes and presents the trajectory for the golf ball.
When all tests have been performed, the analysis method computes statistics for each golf ball type used in the tests and presents the results to the operator. For the group of tests performed for each golf ball type, the system computes the average value and standard deviation from the mean for several launch characteristics including the velocity, the launch angle, the side angles, the backspin, the side spin, and the carry and roll. The total spin rate has three orthogonal components on the axis of rotation. Back spin and side spin are two of the components, Wx and Wy, of the spin rate discussed earlier.
Different factors contribute to the standard deviation of the measurements including the variation in the compression and resilience of the golf balls, the variation in the positioning of the dots on the golf balls, the pixel resolution of the light sensitive panels and the accuracy of the pre-measured dots on the calibration fixture. Obviously, the primary source of scatter lies in the swing variations of the typical golfer.
Upon request from the operator, the system displays the test results in various forms. For example, the system displays individual results for the golf ball type selected by the operator.
Similarly, the system in step S113 can also display tabular representations of the trajectories for the golf ball types selected by the operator. The tabular representation presents trajectory information including distance, height, velocity, spin and the launch angles. Similarly, the analysis method displays graphical representation of the trajectories for the golf ball types selected by the operator. The system computes the graphical trajectories from the average launch conditions computed for each golf ball type.
At step S113, the system displays the average of each of the shots taken by the golfer. The results are displayed in a tabular and/or graphical format. The displayed results include the total distance, the spin rate, the launch angle, carry, and golf ball speed. From this information, the system at step S114 shows the golfer the results if the launch angle and spin rate of the golf ball were slightly changed, allowing the golfer to optimize the equipment and/or swing. As shown in FIG. 18, the distance the golf ball travels is dependent on the initial spin rate and launch angle for a given golf ball speed. It is assumed that the golfer is unable to increase the golf ball speed, which in turn is determined by the club head speed. One way to significantly increase the golf ball and club head speed, is to increase the shaft length. However, increasing the shaft length may change other variables, including the launch angle and spin rate, so a new set of tests should be done.
At step S114 in FIG. 14, the system calculates the distances of a golf ball struck at a variety of launch angles and spin rates that are close to those for the golfer. The operator is able to choose which launch angles and spin rates are used to calculate the distances. One example is shown in FIG. 18. In this example, the system calculated the distances that a golf ball having an initial velocity of 130 mph travels for launch angles of 0� to 15� and having initial spin rates from 2000 rpm to 4000 rpm. In order to display this particular data, the system performs the trajectory calculations described above between about 50-100 times (several predetermined values of launch angles and several predetermined values of initial spin rates). The operator can dictate the range of launch angles and spin rates the system should use, as well as how many values of each the system uses in the calculations. From the graphical data in FIG. 18, the golfer can determine which of these two variables could be changed to improve the distance.
Using FIG. 18, if the golfer had a launch angle of L2 degrees and a spin rate of S2 rpm, the golfer would attain a distance within the range of 220 to 225 yards. If the golfer reduced the spin rate from S2 rpm to S1 rpm, the distance attained would increase to the range of 225 to 230 yards. Similarly at a spin rate of S1, a change in the launch angle from L1 degrees to L2 degrees would also increase the distance. The spin rate and launch angle can be altered simultaneously to change the distances. Knowing this information, the golfer can make the appropriate adjustments to achieve this increase in distance.
Since the golfer's data is saved, when the system is in the test mode, it is also possible to compare the golfer's data with that of other golfers, whose data were also saved. In this way, it is possible for golfers to have their data (launch angle, initial golf ball speed, spin rate, etc.) compared to others. This comparison may be done in a tabular or graphical format. Similarly, the system may compare the data from successive clubs (e.g., a 5-iron to a 6-iron to a 7-iron) to determine if there are gaps in the clubs (inconsistent distances between each of the clubs). Alternatively, two different golfers could be compared using the same or different clubs, or the same or different balls.
While the above invention has been described with reference to certain preferred embodiments, it should be kept in mind that the scope of the present invention is not limited to these embodiments. For example, one camera could be used in a system similar to that described in the second embodiment. One skilled in the art may find variations of these preferred embodiments which, nevertheless, fall within the spirit of the present invention, whose scope is defined by the claims set forth below.
Therefore, it is understood that the appended claims are intended to cover all such modifications and embodiments which come within the spirit and scope of the present invention.
Patent Citations
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October 08, 2014
Not for rubbery arms, won't slide on but perfect for plastic arms.
October 06, 2014
This is a child's size but fits me perfectly (lady) the adult version needed to have a knot tied in it to shorten it. goes under my hair discreetly.
September 17, 2014
I bought these for my son when we go biking as we found his glasses kept slipping under his cycle helmet. they were quite hard & tight to put on due to the shape of the end of his glasses arm, but hold them in place so very happy!
July 01, 2014
Seems fit for purpose but have not used it yet.
June 25, 2014
Great, affordable product that works perfectly. the holes that fit over the sunglasses arm are quite small, but the stretch neoprene fits fine on the glasses that we have.
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There's Something Else Cynk Doesn't Have
It's got no revenue, no assets, no members and no tradeable stocks (until tomorrow, anyway). But […]
Can You Really Put A Price On Introductions To Jay-Z, Scarlett Johansson Or Peter Dinklage?
"The market" can. Well, a market. And that price is somewhere north of $4 billion, […]
Investment banking continues to be a laborious, tedious practice. Banks are implementing ways to boost […]
McAfee Founder/Fugitive Wanted For Murder Misses TV
CNBC: Why not, if you had nothing to do with this murder, why not turn […]
What Wall Street Can Learn From The Anti-Virus Software Guy Wanted For Murder
Most individuals working on Wall Street are good, honest people. But, as with every industry, you will always have your bad seeds. And should you perhaps wake up one morning to find the Feds outside your door, because your best friend sold you out by recording your explicit instructions re: how to dispose of evidence you committed securities fraud, or you were (allegedly) part of a "criminal club" that met regularly to share material non-public information with each other, or you bribed people with lobsters to do your bidding for you, and prison life is not the life for you and you need to come up with a hiding place they'll never find you, STAT, sand and a cardboard box are a good place to start.


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Remember when: Surprise for mom on Thanksgiving Day
There are so many memories of Thanksgivings in the North, when snow and sometimes colored leaves would were on the ground.
My most vivid memory was when my brother notified me he had a leave from the Air Force for Thanksgiving, but not to tell Mom so that he could surprise her.
Mom and Dad were coming to my house for dinner and we hid my brother in the coat closet. When Mom went to hang her coat, he was standing there looking at her very quietly. We all thought she may have a heart attack and decided that hadn't been such a good idea. But our Thanksgiving turned out to be wonderful for all of us.
I would like to have my Mom and Dad here to spend the holidays with us again but God has a wonderful feast planned for them in Heaven. For that I am very grateful.
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An unflinching novel about the impossible choices of growing up, by an award-winning writer.
Imagine you're the only boy in a town of men. And you can hear everything they think. And they can hear everything you think. Imagine you don't fit in with their plans... Todd Hewitt is just one month away from the birthday that will make him a man. But his town has been keeping secrets from him. Secrets that are going to force him to run
"Sets a high standard in an already crowded fantasy fiction genre."-- THE INDEPENDENT (U.K.) -- Independent, The (UK)"From the Hardcover edition."
Audience: Teenager / Young Adult
For Ages: 12+ years old
For Grades: 8 - 12
Format: Paperback
Language: English
Number Of Pages: 496
Published: 15th February 2012
Country of Publication: GB
Dimensions (cm): 19.7 x 12.9 x 3.6
Weight (kg): 0.4


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I am new to Zend Framework and I want to configure Zend Framework 2.0 on wamp. Can any one give me step by step procedure for ZF 2.0
Take the 2-minute tour ×
Stack Overflow is a question and answer site for professional and enthusiast programmers. It's 100% free, no registration required.
hope this link help you.Click here


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Small business owners are the financial and/or executive heads of small business. Their duties can be as simple as serving as the profit-maker of the business and delegating authority to a management team; however, many small business owners are constantly engaged in growing and operating their business.Read More...
Becoming a small business owner does require capital to begin, and/or finding investors and raising capital. Small business owners must either develop their own plans, or, in other cases, pay a franchise fee and use the franchised name and business model. Small businesses operate in almost every industry, from financial and legal to education and hospitality; due to the wide variety of industries and levels of engagement, the regular working hours and tasks are often determined by the type of business and how its owner chooses to participate in its development.
Many small business owners will work a few times a year to solve specific problems related to the business, while others will be fully-engaged during regular business hours and perform executive tasks during non-business hours. The work location, employee structure, and number of employees varies greatly. A small business owner can, however, always expect to be their own boss.
There are no educational or training requirements for small business owners, but having a degree in Business Management, Finance, or a related field is useful for securing investors and, of course, having the know-how to develop and execute a business plan.
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Small Business Owners sometimes move into a Marketing Director role, where the salary is similar. Many Small Business Owners go on to become Office Managers or Administrative Assistants despite the fact that median compensation in those roles is reportedly $38K lower and $45K lower, respectively.
Survey takers who work as Small Business Owners report a focused set of job skills. Most notably, facility with Sales and Project Management are correlated to pay that is significantly above average, leading to increases of 59 percent and 12 percent, respectively. Those listing Accounting and Operations Management as skills, on the other hand, should be prepared for drastically lower pay.
Median of all compensation (including tips, bonus, and overtime) by years of experience.
Small Business Owners generally obtain higher compensation for more plentiful past experience. During their first five years in the workforce, individuals in this position earn $61K on average. Survey participants with five to 10 years under their belts see an only a slightly bigger average of $66K. The average pay reported by folks with 10 to 20 years of experience is around $78K. Survey participants who have worked for more than two decades report bringing in $96K on average.
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Mensah, K; Efthymiou, CA; Mocanu, M; Yellon, DM; (2004) Atorvastatin reduces infarct size acutely in an isolated rat heart model. In: JOURNAL OF MOLECULAR AND CELLULAR CARDIOLOGY. (pp. 295 - 295). ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD
Full text not available from this repository.
|Proceedings paper
|Atorvastatin reduces infarct size acutely in an isolated rat heart model
|18th World Congress of the International-Society-for-Heart-Research
|Brisbane, AUSTRALIA
|2004-08-07 - 2004-08-11
|UCL classification:
|UCL > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Cardiovascular Science
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Australian movie magazine FILMINK speaks with Ben Stiller about his career and new film in their latest issue. Included are some revealing tidbits, such as Stiller's admission at being socially awkward and unpopular as a teen. Check out the interview below. Filmink can be found on newstands in Australia, or purchased through the site Filmink.com.au.
2 thoughts on "Stiller reveals serious side in interview with Filmink"
If I wanted to get a script idea to Ben, how would I do it.
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2016 NFL Draft: Big Time Backers, Philip (Scooby) Wright III
Written by Mitch Militello, Analyst on May 25, 2015
This is the first installment of a new series I'll be authoring called Big-Time Backers or "BTB." Personally, I find that the linebacker position is one of the most fascinating spots on the football field. Great linebackers have to have a combination of instincts, effort, toughness, and pure will-power. My goal is to do a weekly look at a different impact linebacker. I hope you enjoy.
Junior LB #33
- Originally from Windsor, California and Cardinal Newman High School. A lightly recruited (2 Star) player in the class of 2013. In his first season at Arizona he earned a starting spot at outside linebacker and started 12 of 13 games at that position. In his true sophomore season in 2014 he broke out and put up one of the most productive seasons (read more…)


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Helen Rae was health reporter for the Chronicle, Journal and Sunday Sun from 2005 to 2015.
Parents Laura Davidson and Stephen Browne will not celebrate Christmas until their son gets home and they can mark the special occasion as a family
Health bosses are appealing for people to use their emergency services wisely over the New Year to ensure those who are seriously ill get help
Northumberland double heart transplant girl Summer Carss is making the most of life after her life-saving operations
Susanne Lye, 52, has pancreatic cancer and is hoping to be well enough to get home in time for Christmas day
After six weeks in hospital heart transplant teenager Chloe Beaney from Cramlington will be at home on Christmas day
North's NHS comes under pressure and asks public to think before calling 999 or attending A&E departments
Public urged to think before they dial as North East Ambulance Service gets over 2,000 inappropriate calls in just three months
Players from Newcastle Eagles basketball team called in to the Freeman Hospital to spread some festive cheer to sick children
Stevie Graham, 32, was killed after he was hit by a taxi earlier this year and his donated organs helped save the lives of five people
Newcastle scientists welcome news that an IVF-based technique they are developing is one step closer to being available
North East Ambulance Service urges people to dial 999 only in a genuine emergency as it deals with very high demand
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49,199* copies of the Chronicle are sold on average each day as it continues to be an integral part of the region.
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Darren was appointed editor of the Chronicle in September 2011, following a six-year spell as editor of the Evening Gazette in Teesside.
He has held a number of senior roles on regional newspapers across England, Scotland and Wales over the last 15 years and is now editor-in-chief of Trinity Mirror North East.


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| 6. The stitching that sets the sleeve into the armscye is smooth around
the entire seam, with no dips or curves present.
| 7. The underarm area is double stitched and trimmed, usually to one-
fourth inch (.64 cm.) to reduce bulk.
| 8. In jackets and tailored garments, the upper portion of the
sleeve/armscye seam is left a full five-eighths inch (1.59 cm) wide to
help support the sleeve cap. In soft fabrics and less tailored styles, the
entire seam is usually trimmed.
| 9. In an unlined garment, the armscye seam allowance is appropriately
| 10. Shoulder pads and sleeve heads are secured inconspicuously without
pulling the garment in any way. They are the correct size and shape
for the garment.
|Kimono/Dolman Sleeve - The front sleeve and the bodice of kimono and
dolman sleeves are cut as one unit and the back sleeve and the back bodice
are cut as one unit. The resulting curved underarm seam will be more
loosely fit on the dolman sleeve and more closely fit on the kimono sleeve.
|Raglan Sleeves - The raglan sleeve has softly curved diagonal lines that
extend from the underarm upward to the neckline, forming the upper part of
the bodice from the shoulder to the neckline. Darts, seams, or gathers are
used to provide the fullness necessary for the sleeve to curve over the full
part of the shoulder, yet taper to fit the much smaller neckline.
|Drop Shoulder - With a drop shoulder design, part of the sleeve cap is
combined with the bodice.
|Deep-cut Arm hole Design - With a deep-cut armhole design, the
armhole section of the bodice is combined with the sleeve.
| 1. Plaids, stripes, or directional patterns are matched within the sleeve
itself and where the sleeve joins the garment across the chest and
| 2. The method of shaping the shoulder and neckline area is appropriate
to the garment's fabric and design.
|<< previous 11 12 13 14 15 16 17 18 19 20 Next >>


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Jesuina Barbosa Gomes
CENTRAL FALLS - Jesuina Barbosa Gomes, 74, entered into eternal peace on Friday, November 22, 2013. Mrs. Gomes was born in Ribeira Ilheu, Mosteiros, Fogo, Cabo Verde. She was the wife of the late Tito Pires Gomes. She was the daughter of the late Casimiro Barbosa Amado and Maria Barbosa Amado. She immigrated to the United States in 1983 and resided Pawtucket, RI.
Lucien V. Plamondon
CENTRAL FALLS - Lucien V. Plamondon, 80, passed on November 23rd with his loving family by his side. He was the husband of Margaret (Tougas) Plamondon. They have been married for 53 years.
Born in Vermont, he was a son of the late Emile and Exilia (Lambert) Plamondon.
Lucien had been employed by Starline Structures for 28 years and then for The Fair in Cumberland retiring in 2002. He served in the US Army.
Ethel M. Capineri
Ethel Margaret (Pierce) Capineri, born on September 30, 1928, passed away peacefully with family at her side on Nov. 23, 2013. She is survived by her husband of sixty years, Joseph A. Capineri, Esq. She was the daughter of the late Walter and Isa (Hadfield) Pierce of Coventry, RI. She was a registered nurse and a graduate of the Pawtucket Memorial Hospital School of Nursing.


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What does ปค. mean in Thai?
This page is about the meanings of the acronym/abbreviation/shorthand ปค. in the International field in general and in the Thai terminology in particular.
Find a translation for ปค. in other languages:
Select another language:
Discuss this ปค. abbreviation with the community:
Use the citation below to add this abbreviation to your bibliography:
"ปค.." Abbreviations.com. STANDS4 LLC, 2015. Web. 4 Jul 2015. <http://www.abbreviations.com/term/513251>.


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"At Marywood my passion for the arts was nourished in a stimulating creative studio environment by skilled faculty who encouraged exploration into new directions."
Karen Reid
Studio Artist
(MA Sculpture, Marywood University)
Foundation Course Outlines and Student Work
The purpose of providing course assignments and student work examples is for student guidance. In many cases specific examples of currently assigned projects are illustrated. In some cases examples are no longer assignment specific but may suggest possible approaches to stated objectives.
Throughout the year excellent examples of all foundation assignments will be posted. This will offer current foundation students a way to see successful solutions and to measure their own progress.
Art 118 2D Design
- Course Outline (pdf)
- Assignments (pdf)
- The 7 Color Contrasts (pdf)
- Black and white project examples
- Color project examples
Art 212 3D Design
- Course Outline (pdf)
- Assignments (pdf)
- Project examples
Art 110 Basic Drawing
Art 233 Painting


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With Instructables you can share what you make with the world and tap into an ever-growing community of creative experts.
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This is a slightly absurd little project that may appeal to gift wrappers with mild obsessive-compulsive tendencies. You know who you are. I'm going...
I'm not going to lie to you: this first step is probably going to be the hardest. You're going to have to make a 3D computer model of whatever gift yo...
1) Use 123D Catch. This is a free piece of software that lets you turn a series of photographs into a 3D model, so you could just snap your gift from ...
Now that you have the model of your gift, it's time to model a box around it. How you do this will depend on the shape of the gift, but I recommend s...
Import the model of your gift box into 123D Make and use the "Panel" feature to deconstruct it into a series of, well, panels. You can choose what sor...
Select a suitable material for your box. I went with some thick blue art card, which I thought would go nicely with brown parcel string for the seams....
123D Make will tell you the precise angles at which to fold every edge of your box. If you're using a laser cutter, you can choose to have this etched...
Tie your pieces together using ribbon or string. As you do this, consider how you'll want the box to be opened. For my hand bowl's box, I decided to t...
Within no time (well, after probably less than an hour of knot-tying), you'll have a beautiful box with a door.
Now's the moment of truth! Put your gift inside your box. Hopefully it fits neatly. If not, I'm dreadfully sorry. Return to Step 1 and try again or j...
Tying the last seams closed is somewhat fiddly. The best way is to lace all of the seams, then pull them all shut at the same time before tying the kn...
There you have it: a meticulously wrapped gift with only several hours of unnecessary effort! Enjoy!
We have a be nice comment policy. Please be positive and constructive.
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Hand Bowlby PenfoldPlant
A Gift with a wrapping gift!by shazni
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How to perfectly wrap a gift box with decorative wrapping paperby pcorreia8
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Wrapping Oddly Shaped Christmas Gifts With One Piece of Tapeby sokamiwohali
Wrapping Paper Ornamentsby jlloyd4
How to gift wrap presents with pleates!by F Munstaah
Scan | Fab Table by gkapriel
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Daily Sales Up to 70% OFF Limited-time deals start every day at 12 pm ET.
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Ergodyne Arsenal 5643 Synthetic Plastic Bottom Swivel Bucket
Ergodyne Arsenal 5643 Synthetic Plastic Bottom Swivel Bucket
Weights & Dimensions
|Product Type: Bucket
|Finish: Black
|Interior Material: Fabric
|Exterior Material: Nylon
|Pallets Included: No
|Pockets Included: No
|Drawers Included: No
|Handle Included: Yes
|Wheels Included: No
|Customizable Foam: No
|Rubber Lined: No
|Laptop Compartment Included: No
|Locking: No
|Country of Manufacture: Taiwan, Province of China
About the ManufacturerStraight outta good ole St. Paul, Minnesota, Ergodyne has spent the past 30 years developing hardworking gear and cool stuff that Make the Workplace a Betterplace™ for the folks in the trenches and on the front lines. Our Tenacious Work Gear® and safety supplies manage the elements, improve productivity and provide protection for workers all over the planet.
Ergodyne Arsenal 5643 Synthetic Plastic Bottom Swivel Bucket
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OUR SKU # OFH3318Arsenal 5643 Synthetic Plastic Bottom Swivel Bucket is also sometimes listed under the following manufacturer numbers: 5643


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The VSX 26from Peavey is a 2 input/6 output loudspeaker management system for use in single or multi-zone applications. The unit is completely configurable from the front-panel screen, and includes PC software that provides a high-resolution GUI for easier system control.
Aside from crossovers the processor also features extensive DSP, both on input and output. DSP includes EQ, compression/limiting and delay. An RTA microphone input with switchable phantom power is available on the front panel.
- 2 input/6 output loudspeaker DSP management system
- Channel 1 XLR also functions as an AES/EBU input
- RTA microphone input on front panel with switchable +48V phantom power
- 24-bit, 256x over-sampled Delta-Sigma analog-to-digital and digital-to-analog converters functioning at 48kHz
- Input DSP includes EQ, compressor/limiter and delay
- Output DSP features crossover/band-pass filter (Butterworth, Bessel, Linkwitz-Riley), parametric EQ (5-band, high-pass, low-pass notch, horn EQ, all-pass), compressor/limiter and delay with polarity inversion
- Fully adjustable crossover points
- Built-in signal generator (white, pink and sine)
- 2 USB jacks on front panel for connection of memory stick/jump drive for preset storage and system update and computer connection for controlling the unit from the GUI


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The Summer Institute for Training in Biostatistics (SIBS) is an innovative program for undergraduate and graduate students who are interested in statistics, mathematics or science, and who would like to learn about the field of biostatistics. Over the course of approximately six weeks, students will engage in a comprehensive program of coursework, field experiences, hands-on data collection and analysis activities, and interactions with researchers and scientists in the fields of medicine and public health. Students will also learn about graduate school and career opportunities in biostatistics.
We encourage you to learn more about our program. Please click on the links below, or email us at email@example.com if you have questions.
Our 2015 SIBS program will run from June 14 to July 22.
Applications for the 2015 program are now open!


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Category Career
All posts about Career.
You learn a lot in school, but so does everyone else. With everyone learning the same lessons, the job pool becomes diluted, and those who stick out have a better chance of being hired. It may feel like your brain is fried and you can't possibly fit any more info into it, but there's no better time than now to build a solid foundation.
Entrepreneurs and executives come from all walks of life, and each of them …
MBA programs are very specialized and require a good amount of investigation and consideration. The first question you want to ask yourself is "How will this MBA program help me to achieve my personal and career objectives?"
The answer will give you a structure to operate within comprised of those types of courses the MBA program will need to cover. The structure will also give you ideas of what you can do with your MBA once you graduate. It's fairly simple. You want to be an investment banker, so …
Not every MBA program is the same, and many MBA programs have reputations for excelling at different specialties. The first question you should ask yourself is, "What are my career goals after completing my MBA?"
How you answer that question will determine which MBA programs you should target. If you want a job in a specific field such as finance or consulting, look up programs that have the best employment statistics in those fields. Some programs will emphasize financial fields such as investment banking, while others will emphasize operations …
In terms of a lucrative and rewarding career path, getting an MBA makes one fairly versatile. Any area of concentration is good, as the basic core of your MBA program will always include finance, human resources, marketing, and accounting – all essential for any successful business. Many programs introduce students to campus career services immediately, so at Manhattan Admissions, our applicants are told to make this a priority in their first year. Base salaries for MBA grads typically begin at $90,000, with total compensation going over $125,000 when …
Any area of concentration is good when you are thinking about an MBA, as the basic core of your MBA program will always include finance, human resources, marketing, and accounting – all essential for any successful business. Many programs introduce students to campus career services immediately, so at Manhattan Admissions, our applicants are told to make this a priority in their first year.
One of the traits that make a person pursue an MBA in the first place is the desire to identify and solve problems, which brings us to …
Now more than ever, students are opting to pursue a specialized MS degree as opposed to a traditional MBA. Many universities are responding to this demand by offering programs in finance, supply chain management, management, accounting, marketing analytics and others. Why the rise?
A Bloomberg Businessweek article cites the boom in these specialized degrees as a direct result of the high cost, time, and work experience needed to complete a tradition MBA program.
Schools such as Maryland's Smith and Michigan's Broad are working on their fifth and seventh MS program, respectively.
Which program would you choose? And why?…
Doing the appropriate research prior to your MBA Admissions Interview is of utmost importance. Here are three solid keys to ace your face-to-face!
- Know how you fit the program
Chances are you have already demonstrated your interest in the particular program in your application and essay – so go over those again. Refresh your memory on why your professional and educational background matches the school's methodology, strengths and career opportunities. Dig out your old essays and re-read them from beginning to end. This solid written document will remind you of why you were interested in the school in the first
|School name (state)
|Full-time applicants
|Full-time acceptances
|Full-time acceptance rate
|U.S. News rank
|Stanford University (CA)
- Top 3 Tips For Slashing GMAT Test-Taking Time
- Why the GMAT is a CAT Exam and Why You Should Love It
- What 3 Characteristics Are Best Suited for an MBA
- Top 5 Useful GMAT Strategies That Will Totally Surprise You
- Top 3 Must-Know Tips for GMAT Data Sufficiency Problems
- Take Germany's World Cup Championship advice on how to train for the GMAT
- Why Work Experience Matters to Business Schools
- Top 9 Essential Career Books You May Have Missed in School
- Important to know about an online MBA
- How Preparing for the GMAT Prepares You for B-School


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Results 1 to 9 of 9
Thread: CaRiCaTuReS
August 20th, 2008 #1
Hi! My nick is ziggy-q and I'm an alcoholic....Mwaahahaha! Just kidding! Comments and advises are more than welcome, and so is critique (sorry for my lousy English).........
So, I guess this will be my first sketchbook of caricatures.....
Last edited by ziggy-q; August 21st, 2008 at 07:59 AM.
Hide this ad by registering as a memberAugust 20th, 2008 #2
Although i don't know these people i can only guess you did a real good job on them. Lots of character and style. I hope to see more
Come visit my...
Thank you!
August 20th, 2008 #3
Sick style here.
August 20th, 2008 #4
double post, my bad(stupid internet)
August 20th, 2008 #5
Oh! Second from the right on the top row: Is it the lead singer of Counting Crows?
Yeah, I too am unsure who a lot of these folks are, but I can tell you did very well, I love the somewhat morbid edge they all have!
August 20th, 2008 #6
No, it's not the lead singer. Most of these people are my friends...
August 21st, 2008 #7
Oh, here is another one of my caricatures....
August 23rd, 2008 #8
And another one.....I met this guy over the internet on deviantArt, and he asked me if I could do a caricature of him. I was more than happy to!
September 9th, 2008 #9


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Tata posts strong revenue and profit growth
Tata Consultancy Services reported strong revenue and profit increases in the quarter ended June 30, citing growth across all markets, including emerging markets.
Tata Consultancy Services reported strong revenue and profit increases in the quarter ended June 30, citing growth across all markets, including emerging markets.
Microsoft is expected on Tuesday to update its strategy for cloud-based ERP (enterprise resource planning) and CRM (customer relationship management) software during the annual Worldwide Partner Conference in Los Angeles.
Infosys is investing in a products and platforms business that will help it break its dependence on its traditional "time and materials" model, under which contracts are priced on the basis of the duration of a project and the number of staff working...
Santander UK, a subsidiary of Banco Santander, has moved call center jobs from India back to the U.K., citing adverse feedback from its customers.
Genpact, a large Indian outsourcer, has acquired the human resources services subsidiary of Nissan Motor for an undisclosed amount, and has bagged a seven-year contract to offer HR services to employees of the Japanese automotive company.
The U.S. Army's massive SAP software project is "at high risk" of running further over time and budget, according to a recent report by the Department of Defense's Inspector General's Office.
Dell opened a data center in Shanghai this week to host public and private clouds and to provide customers with off-premise application and storage services, the company said Wednesday.
The Anonymous hacking group has taken another swipe at police in Arizona, launching online attacks against several police union websites and publishing e-mail messages stolen from law enforcement officers.
Personal data sent to India by companies outsourcing work to service providers in the country will not be covered under the country's stringent new rules for the collection of personal data, an executive of a data protection standards company set up ...
New York Mayor Michael Bloomberg is demanding that systems integrator Science Applications International Corporation reimburse more than US$600 million it was paid in connection with the troubled CityTime software project, a long-running effort to ov...
Gartner on Thursday upgraded its forecast for worldwide IT spending, saying it will grow 7.1 percent this year to US$3.7 trillion as companies migrate to the cloud and spend more on software and IT services.
Dell is increasing focus on the midmarket as the company looks to offer new cloud computing, security and data management services to customers.
Google plans to shut down two services that proved unpopular: Google Health and Google PowerMeter.
Several companies are developing new database technologies to solve what they see as the shortcomings of traditional, relational database management systems in a cloud environment. Four of them described the approaches they're taking during a panel a...
U.S. federal officials on Monday announced the indictments of a New Jersey couple for "a massive and elaborate scheme" to defraud New York in connection with the city's CityTime software project.
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First impression on unpacking the Q702 test unit was the solid feel and clean, minimalist styling.
For work use, Microsoft Word and Excel programs pre-installed on the device are adequate for preparing short documents.
The Fujitsu LifeBook UH574 allowed for great mobility without being obnoxiously heavy or clunky. Its twelve hours of battery life did not disappoint.
The screen was particularly good. It is bright and visible from most angles, however heat is an issue, particularly around the Windows button on the front, and on the back where the battery housing is located.
My first impression after unboxing the Q702 is that it is a nice looking unit. Styling is somewhat minimalist but very effective. The tablet part, once detached, has a nice weight, and no buttons or switches are located in awkward or intrusive positions.


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Men's I-Force Black Dial Stainless Steel
designer's notes
Complete your timepiece collection with stylish watches.
Series: I-Force
Style: Casual
Case: Brushed stainless steel
Case shape: Round
Case diameter: 44 mm
Case thickness: 10 mm
Case back: Screw-down stainless steel
Dial color: Black
Hands: Silver tone and luminous hour and minute. Silver tone second
Markers: Silver tone Arabic numerals
Calendar: Date display at 3:00 with magnifying window
Crown: Push/Pull
Crystal: Mineral
Material: Stainless steel
Movement: Japanese quartz (Cal. 2415)
Water resistant: 5/ATM/50 meters/165 feet
Bracelet color: Silver
Bracelet material: Polished and brushed stainless steel
Clasp type: Deployment with safety
Bracelet width: 20 mm
Bracelet length: Up to 9 inches
Warranty information available at


text:
impacts of global economic and environmental change in both advanced and developing countries. She recently co-authored Environmental Change and Globalization: Double Exposures, which focuses on how processes of globalization and climate change jointly affect vulnerable regions, social groups, and ecosystems. Other current research includes a study of the effects of the globalization of consumption practices on housing demand and suburbanization patterns in China and the United States, a study of climate change vulnerability and adaptation in U.S. cities, and a study of the effects of globalization trends on U.S. firms and workers. Recently completed research projects include a study of the impacts of international trade on employment and income inequality across U.S. regions and a study of the effects of globalization and climate change on rural agricultural regions in India and Southern Africa. She earned her Ph.D. in geography from Penn State.
Robert J. Lempert is director of the Frederick S. Pardee Center for Longer Range Global Policy and the Future Human Condition at the RAND Corporation. He was a member of the 2007 Nobel Peace Prize–winning Intergovernmental Panel on Climate Change. Lempert is an internationally known scholar in the field of decision making under conditions of deep uncertainty. He is a member of the Council on Foreign Relations, a fellow of the American Physical Society, and a member of the National Academy of Science's Climate Research Committee. His research focuses on improving methods for long-term policy analysis and for using data and models to support decision making where accurate forecasts are impossible. He is leading a major National Science Foundation–funded study that aims to improve methods for using scientific and other information to support decisions about climate change. He has worked extensively in the areas of environment, energy, and national security strategies; and he has conducted research on science and technology investment strategies for clients that include the White House Office of Science and Technology Policy, the U.S. Department of Energy, the National Science Foundation, and several multinational firms.
Marc Levy is deputy director of the Center for International Earth Science Information Network (CIESIN), a unit of Columbia University's Earth Institute. He is also an adjunct professor in Columbia's School of International and Public Affairs. He is a political scientist specializing in the human dimensions of global environmental change. His research focuses on climate–security linkages, emerging infectious disease modeling, anthropogenic drivers of global change, sustainability indicators, and vulnerability mapping. He is also leading a project in Haiti to reduce vulnerability to disaster risks by integrating ecology and economic development goals on a


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'Family Service Day' Saturday In Lapeer
Robert Burda and his team at "Rob's Service" have announced their participation once again in "Family Service Day" in Lapeer. This Saturday, October 25th, employees of Rob's service will donate their time and talent to provide free car services and repairs to families of "Kids In New Directions" (KIND), and "Lapeer Area Citizens Against Domestic Assault" (LACADA). There will be free automotive care for single parent families and families in need, too.