Patent
1993-10-27
1996-09-24
Bayerl, Raymond J.
395114, H04N 7137
Patent
active
055599311
ABSTRACT:
A compression/decompression system for an image data performs a motion compensated prediction and an orthogonal transformation in a time-direction with respect to a plurality of picture planes by combining one pair of an A-frame and a B-frame. The system has a motion estimation element for obtaining a motion vector signal with respect to the A-frame from a first block signal, a motion prediction element for outputting a third block signal obtained by performing a motion compensated prediction with respect to the A-frame on the basis of the motion vector signal, and an orthogonal transformation element for outputting a first and second transformed information obtained by performing an orthogonal transformation in the time-direction with respect to a plurality of picture planes on the basis of the first and third block signals.
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The Journal of the Institute of Television Engineers of Japan, vol. 42, No. 11, Nov. 1988.
Higurashi Seiji
Shindou Tomoyuki
Bayerl Raymond J.
Garcia Gabriel I.
Victor Company of Japan Ltd.
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