The present invention relates to a method of producing a signature characterizing an interval of a video signal representing a picture for use in broadcast segment recognition. The signature is produced based on portions of the video signal representing corresponding regions of the picture. The invention...http://www.google.es/patents/US5621454?utm_source=gb-gplus-sharePatente US5621454 - Method and system for recognition of broadcast segments
Method and system for recognition of broadcast segments
