1. A method for analyzing captured images, the method comprising: capturing a first plurality of digital images of a field of view using a camera and at least one light source; identifying pixels of the first plurality of digital images that correspond to an object rather than to a background, wherein the pixels corresponding to the object are identified based on differences between first, second and third digital images captured by the capturing; capturing a second plurality of digital images; identifying pixels of the second plurality of digital images that correspond to the object rather than to the background; detecting a motion of the object based at least in part upon the identified pixels of the first plurality of digital images and the identified pixels of the second plurality of digital images; comparing the motion of the object to a library; and enabling a particular gesture associated with the motion of the object.