Apparatus for motion vector estimation with asymmetric update re

Details Apparatus for motion vector estimation with asymmetric update re Apparatus for motion vector estimation with asymmetric update re

1991-08-29

1993-05-18

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358140, H04N 718

Patent

active

052125483

ABSTRACT:
In a motion estimator which adds small increments (P-2, P-4) to a prediction vector (P) to obtain a number of candidate vectors (2,4) from which an output vector is selected, a first increment (P-2) in a first direction has a different magnitude from a second increment (P-4) in a second direction.

REFERENCES:
patent: 4800425 (1989-01-01), Schwerzel et al.
patent: 5105271 (1992-04-01), Niihara
patent: 5111511 (1992-05-01), Ishii et al.
G. de Haan et al., "New Algorithm For Motion Estimation", Proceedings of the Third International Workshop on HDTV, Torino, 1989.

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