1. A method of processing still images, the method comprising: receiving a set of still images, at least one of said still images comprising at least one sub-image of a face; recognizing each of said at least one sub-image in said set of still images as a face; identifying each of said at least one sub-image with a recognized person or as an unidentified person using information from said at least one sub-image; and indexing said set of still images according to each of said at least one sub-image.