Apparatus for band compression processing of a picture signal

Details Apparatus for band compression processing of a picture signal Apparatus for band compression processing of a picture signal

H - Electricity

04

N

350/33

H04N 7/12 (2006.01) G06T 7/20 (2006.01) H04N 7/26 (2006.01) H04N 7/32 (2006.01) H04N 7/36 (2006.01)

Patent

CA 1232674

ABSTRACT An apparatus for band compression processing of a picture signal which generates forecasting error signal and movement vector and updates only the movement vector during a comb-out operation. During comb-out processing, a picture signal is recirculated while the movement vector is produced and accumulated. At the end of the comb-out processing, the change in the move- ment vector from the accumulated vector is within a desired range. Therefore, a scale of circuit does not increase for detecting the movement vector after the comb-out operation.

476043

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