Image analysis – Applications – Motion or velocity measuring
Patent
1996-07-08
2000-02-08
Chang, Jon
Image analysis
Applications
Motion or velocity measuring
382236, G06K 900
Patent
active
060235209
ABSTRACT:
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 frames. In the invention a plurality of shot change points are sequentially detected from the moving image. The shot change points represent points between a pair of frames where images of a preceding shot and images of a succeeding shot have changed. Thereafter a detection is performed to determine whether a duration of a shot between a preceding shot change point and a succeeding shot change point is within the specified range. A representative image corresponding to the shot having a duration within the specified range is displayed along with duration time information representing the duration of the shot. A reduced image from the shot can be displayed as the representative image and the number of detected shots having a duration within the specified range can be reduced according to preset conditions.
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BYTE, "State of the Art: BYTE's Video Workshop" by S. Diehl, May 1995.
Fujita Takehiro
Miyatake Takafumi
Nagasaka Akio
Tanaka Kazuaki
Taniguchi Katsumi
Chang Jon
Hitach, Ltd.
Patel Jayanti K.
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