Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2006-10-10
2006-10-10
Philippe, Gims (Department: 2621)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
C382S236000
Reexamination Certificate
active
07120195
ABSTRACT:
A system and method for estimating motion between images performs correlation of candidate image blocks of a target digital image with potential image blocks of a reference digital image, in which pixel values of the images have been quantized, to estimate displacements of the candidate image blocks between the reference and target digital images. The correlation process may include a technique for counting the number of particular type bits in binary words. The counting technique involves performing bit-wise AND operations using a pair of masking binary words to derive first and second resulting binary words, shifting the second resulting binary word by a predefined number of bits and summing the first resulting binary word and the shifted binary word.
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Altunbasak Yucel
Patti Andrew
Hewlett--Packard Development Company, L.P.
Philippe Gims
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