Method and apparatus for efficient motion vector detection

Details Method and apparatus for efficient motion vector detection Method and apparatus for efficient motion vector detection

1995-10-20

1997-10-21

Britton, Howard W.

Television

Image signal processing circuitry specific to television

Motion vector generation

348413, 348716, 348717, H04N 514

Patent

active

056801815

ABSTRACT:
A method and apparatus for efficient motion vector detection is disclosed that provides an expanded search window with a plurality of motion processors. The internal search window of each motion processor is arranged as a set of N row by M column rectangular subblocks. An address generator circuit scans a stream of pixel data values out of a reference frame memory while a set of delay circuits route the stream of pixel data values to the input paths for the internal subblocks and match input timing for the motion processors.

REFERENCES:
patent: 5170259 (1992-12-01), Niihara
patent: 5469214 (1995-11-01), Bazzaz
patent: 5510842 (1996-04-01), Phillips
patent: 5557332 (1996-09-01), Koyanani
"Motion Estimation Processor" SGS-Thomson Microelectronics Advance Sheet, No. ST13220, Jul. 1992, pp. 97-117.

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