Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2006-04-11
2006-04-11
An, Shawn S. (Department: 2613)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
C375S240170, C375S240210, C375S240240, C375S240120, C382S238000, C382S235000, C382S236000, C382S243000, C348S699000
Reexamination Certificate
active
07027511
ABSTRACT:
The present invention proposes a fast motion estimation using N-queen pixel decimation, whereby after a reference block and a block to be processed are selected in a video sequence, an N×N queens pattern is used for pixel decimation to perform block match, thereby obtaining a good enough block difference value. The present invention combines pixel decimation with fast motion estimation for search points reduction to achieve the object of simplifying computational complexity of motion estimation. Therefore, the present invention can sieve out sufficiently representative pixels and will not increase extra computational complexity.
REFERENCES:
patent: 5737537 (1998-04-01), Gardos et al.
patent: 6363117 (2002-03-01), Kok
patent: 6567469 (2003-05-01), Rackett
patent: 6687301 (2004-02-01), Moschetti
patent: 6697427 (2004-02-01), Kurak, Jr. et al.
Chiang Tihao
Liu Chi-Min
Wang Chung-Neng
Yang Shin-Wei
An Shawn S.
National Chiao Tung University
Rosenberg , Klein & Lee
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