Image analysis – Image compression or coding – Substantial processing of image in compressed form
Patent
1997-06-12
2000-08-22
Lee, Thomas D.
Image analysis
Image compression or coding
Substantial processing of image in compressed form
382250, 382298, 348416, G06K 936, G06K 932, H04N 712
Patent
active
061084484
ABSTRACT:
Given compressed video which supports the coding of interlaced frames through DCT and motion compensation, different construction methods are applied based on select DCT domain coefficients and/or motion vector informations to produce spatially reduced images without decompressing. The spatially reduced images can then be used for video browsing, authoring and processing purposes.
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Song Junehwa
Yeo Boon-Lock
Chen Wenpeng
International Business Machines - Corporation
Lee Thomas D.
Percello, Esq Louis J.
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