Method and apparatus for determining an optimum grid for use in

Details Method and apparatus for determining an optimum grid for use in Method and apparatus for determining an optimum grid for use in

1997-04-14

1999-11-02

Chin, Tommy P.

Television

Bandwidth reduction system

Data rate reduction

348421, H04N 712

Patent

active

059780312

ABSTRACT:
A method, for use in a block based video signal coding system, for determining a search grid by dividing a video object plane of an object into a plurality of equal-sized search blocks, generates a plurality of search grids, each of the search grids being relatively shifted from its adjacent search gird by a predetermined spacing, and detects edge blocks included in each search grid. Then, the method selects a search grid based on the number of the edge blocks and the pixel values in the edge blocks.

REFERENCES:
patent: 5151784 (1992-09-01), Lavagetto et al.
patent: 5173772 (1992-12-01), Choi
patent: 5226093 (1993-07-01), Iwase
patent: 5642166 (1997-06-01), Shin et al.
patent: 5805228 (1998-09-01), Proctor et al.
"MPEG-4 Video Verification Model Version 2.0" International Organisation for Standardisation, ISO/IEC/JTCI/SC29/WG11 N1260, Mar. 1996.

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