Television – Bandwidth reduction system – Data rate reduction
Patent
1995-08-29
1997-06-24
Britton, Howard W.
Television
Bandwidth reduction system
Data rate reduction
348405, H04N 736, H04N 750
Patent
active
056421656
ABSTRACT:
A motion picture encoding method and apparatus for adaptively switching filters in accordance with the property of a motion picture and the condition for encoding and to improve the encoding efficiency. A motion picture is encoded a plurality of times, an encoding parameter for encoding is optimized, the property of the motion picture signal is measured, and filtering is performed by using the encoding parameter or the property of the measured motion picture signal and thereby optimizing the filter characteristic only for the final-time encoding so as to practically generate and output an encoding signal (bit stream).
REFERENCES:
patent: 4189748 (1980-02-01), Reis
patent: 5073821 (1991-12-01), Juri
patent: 5542008 (1996-07-01), Sugahara
Suzuki Teruhiko
Tahara Katsumi
Tong Tak Yen
Britton Howard W.
Frommer William S.
Sinderbrand Alvin
Sony Corporation
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