15. The method of claim 9 , wherein said applying includes: applying said plurality of sub-classifiers in a sequence and in a progression where said sub-classifiers progress from those evaluated in a coarsely-spaced scan in position to those that are evaluated using a finely-spaced scan in position.
9. The method of claim 1 , wherein said applying includes: scanning said view-based classifier in position and in scale over said pair of digitized images.