A method and apparatus for displaying a representative image corresponding to a shot of a duration within a specified range included in a plurality of shots of a moving image. The moving image includes a plurality of successive frames each having an image and each shot includes a plurality of the successive...http://www.google.com.hk/patents/US6023520?utm_source=gb-gplus-share專利 US6023520 - Method and apparatus for detecting and displaying a representative image of a shot of short duration in a moving image
