High speed block matching for bi-directional motion vector estim

Details High speed block matching for bi-directional motion vector estim High speed block matching for bi-directional motion vector estim

1995-02-22

1998-07-28

Au, Amelia

Television

Bandwidth reduction system

Data rate reduction

348699, H04N 736

Patent

active

057868603

ABSTRACT:
A high speed block matching algorithm for a bi-directional motion vector estimation, capable of improving the accuracy and the amount of computation in the bi-directional motion vector estimation by using a uniform motion model for displacement and spatial correlation of motion vectors in a bi-directional motion estimated prediction structure adaptively using pictures forwardly predicted from a past reference picture and pictures bi-directionally predicted from two, past and future reference.

REFERENCES:
patent: 5473379 (1995-12-01), Horne

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