Method of estimating motion in a picture signal

Details Method of estimating motion in a picture signal Method of estimating motion in a picture signal

1990-08-14

1991-12-10

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 718

Patent

active

050722930

ABSTRACT:
In a method of estimating motion per picture portion in an image of a picture signal, wherein, starting from a first (x0=x1, y0=y2) and a second (x0=x3, y0=y4) starting vector a motion vector is determined, a first and a second candidate motion vector, respectively, are determined on the basis of the first and second starting vector in accordance with a predetermined criterion, a motion vector is selected from both candidate motion vectors, and as components of the starting vectors, respective corresponding components of candidate motion vectors (x1, y1), (x2, y2), (x3, y3) and (x4, y4) already previously determined are taken, which candidate motion vectors correspond respectively to the starting vectors.

REFERENCES:
patent: 4853775 (1989-08-01), Rouvrais et al.
patent: 4901145 (1990-02-01), Harradine et al.
patent: 4922508 (1990-05-01), Moriya
patent: 4965666 (1990-10-01), Haghiri

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