Apparatus and method of coding/decoding moving picture and stora

Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal

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348412, 348413, 348699, 348700, 348410, H04N 718

Patent

active

061413798

ABSTRACT:
A moving picture coding and decoding apparatus performs inter-picture prediction with a plurality of reference pictures. In encoding, a first and a second predictive signal are respectively output by decimating pixels of a first and a second reference picture used for prediction. A predictive signal is subtracted from a coded picture signal to obtain a predictive residue signal. The predictive signal is formed by alternately selecting pixels not decimated of the first and the second predictive signals. The predictive residue signal is then encoded and output. In decoding, the coded predictive residue signal is decoded to reproduce the predictive residue signal. A third and a fourth predictive signals are output by decimating pixels of a third and a fourth reference picture used for prediction. Pixels not decimated of the third and the fourth predictive signals are alternately selected and added to the reproduced predictive residue signal to reproduce and output a picture signal.

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patent: 6014173 (2000-01-01), Miyamoto

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