1. A digital image acquisition system having no photographic film, comprising: (a) an apparatus for capturing digital images, including a lens, an image sensor and a processor; (b) a flash unit for providing illumination during image capture; (c) an analysis tool for using two or more images of a sequence of images of approximately the same scene to create a motion map, said analysis tool providing a measure of relative differences in motion between regions within said scene; and (d) a classification tool for segmenting a foreground region from a background region within said scene based on said measure.