Apparatus and method for extracting representative still...

Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium

Reexamination Certificate

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C386S349000, C382S168000, C382S232000, C382S236000

Reexamination Certificate

active

07747130

ABSTRACT:
The present invention relates to an apparatus and method for extracting representative still images from Moving Picture Experts Group (MPEG) video. The apparatus includes a video curve generation unit for calculating the distances between the adjacent frames of all intra frames of input video and generating a video curve that is a cumulative curve of the distances; a video curve division unit for dividing the video curve into a certain number of segments; a still image selection unit for selecting video images corresponding to certain points of the divided video curve as representative still images; and a video output unit for outputting the still images selected by the still image generation unit. Accordingly, the present invention can summarize the video and provide representative still images to a user at high speed.

REFERENCES:
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patent: 6766098 (2004-07-01), McGee et al.
patent: 7257261 (2007-08-01), Suh
patent: 7333712 (2008-02-01), Jeannin et al.
patent: 2003/0152363 (2003-08-01), Jeannin et al.
patent: 1999-069281 (1999-03-01), None
patent: 2006-261741 (2000-09-01), None
patent: 2004-035127 (2004-04-01), None
Frederic Dufaux, “Key Frame Selection to Represent A Video”, IEEE, pp. 275-278, 2000.
Bilge Gunsel et al., “Content-Based Video Abstraction”, IEEE, pp. 128-132, 1998.

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