Keyframe-based playback position selection method and system
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United States of America Patent
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N/A
Issued Date -
Nov 14, 2002
app pub date -
Apr 16, 2002
filing date -
Apr 19, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Method and system for allowing selection of a position in an image sequence. A temporally ordered collection (300) of key frames is obtained for the image sequence, preferably through automatic key frame extraction. A portion of the collection is displayed in a scroll area (201). A current key frame (303), being a key frame presently occupying a playback area (212) can be actuated to initiate playback of the image sequence at the location corresponding to the current key frame. Upon actuation of a next key frame (304), presently occupying the forward area (213), the collection of key frames is scrolled through the scroll area (201) in a forward direction, and upon actuation of a previous key frame (302), presently occupying the backward area (211), the collection of key frames is scrolled through the scroll area (201) in a backward direction.
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