A method is capable of detecting both abrupt and gradual scene changes. Consecutive frames of an image sequence (e.g., a video program) are first acquired and digitized. The images are subdivided into a plurality of rectangular regions. Block matching is performed between the current frame and the Dth...http://www.google.de/patents/US6055025?utm_source=gb-gplus-sharePatent US6055025 - Method and apparatus for detecting abrupt and gradual scene changes in image sequences
