Motion vector generation using interleaved subsets of correlatio

Details Motion vector generation using interleaved subsets of correlatio Motion vector generation using interleaved subsets of correlatio

1994-02-24

1995-08-15

Chin, Tommy P.

Television

Image signal processing circuitry specific to television

Motion vector generation

348441, H04N 728, H04N 701

Patent

active

054424097

ABSTRACT:
A system for generating motion vectors from image data calculates correlation surface values representing image correlation between temporally adjacent images. The system provides a stream of correlation surface values comprising interleaved subsets of correlation surface values from differing correlation surfaces, each subset being a portion of a correlation surface. The system also provides a correlation surface analyzer for receiving the stream of correlation surface values and determining partial result values for motion vectors, a buffer memory for storing the partial result values, and an apparatus for reading out final result values of motion vectors for a given correlation surface.

REFERENCES:
patent: 4873573 (1989-10-01), Thomas et al.
patent: 4890160 (1989-12-01), Thomas
patent: 4974084 (1990-11-01), Fernando
patent: 4992869 (1991-02-01), Samad et al.
patent: 5008744 (1991-04-01), Fernando et al.
patent: 5181111 (1993-01-01), Hedley et al.
patent: 5347312 (1994-09-01), Saunders et al.

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