Patent ID: 7120873

Claim:
A method of processing a video including sumo comprising: (a) identifying a plurality of segments of said video, based upon an event, wherein said event is characterized by a start time based upon when players line up to charge one another and an end time based upon when one of the players at least one of steps outside a ring and touches the ring surface with part of his body other than the soles of his feet, where each of said segments includes a plurality of frames of said video; (b) identifying said start time by: (i) identifying sequential image frames of said video having an upper spatial region being substantially darker than a lower spatial region of said frame wherein said lower spatial region comprises, at least in part, a pair of regions having a dominant color description representative of skin tone; (ii) binarizing said image frames by identifying pixels representative of skin tone and pixels not representative of skin tone; (iii) projecting the binarized said image frames along at least one of a vertical and a horizontal axis; and (iv) analyzing the projected said binarized images for each of a plurality of said sequential frames; (c) identifying said end time; and (d) creating a summarization of said video comprising said plurality of segments, each of said segments including an associated said start time and said end time, where said summarization includes fewer frames than said video.