Motion compensation using minimum bits per motion block as crite

Details Motion compensation using minimum bits per motion block as crite Motion compensation using minimum bits per motion block as crite

1991-08-08

1995-05-23

Oberley, Alvin E.

Television

Bandwidth reduction system

Data rate reduction

348416, H04N 712

Patent

active

054186170

ABSTRACT:
Apparatus for selecting a block of data in a previous frame to be used as a predicted block for a given block in a current frame in a system that reduces the bit rate by codifying the difference between the predicted block and the given block in a given manner by deriving the differences between the given block in the current frame and a plurality of blocks in the previous frame and selecting as the predicted block that block for which the codification of its differences with the given block requires the least number of bits. The apparatus can also select a predicted block from a number of blocks selected in accordance with ABD or SBD techniques.

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Gonzales et al., "DCT Coding for Motion Video Storage Using Adaptive Arithmetic Coding", Signal Processing Image Communication, vol. 2, No. 2, Sep. 1990, pp. 145-154.
"On Comparing Motion-Interpolation Structures for Video Coding", A. Puri and R. Ararind, Visual Communications and Image Processing '90, SPIE vol. 1360, pp. 1560-1571.
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"Advanced Digital Television Description", by The Advanced Television Research Consortium; David Sarnoff Research Center, NBC, North American Philips, Thomson Consumer Electronics, Feb. 27, 1991.

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