Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2005-01-26
2009-12-08
Diep, Nhon T (Department: 2621)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
Reexamination Certificate
active
07630435
ABSTRACT:
The picture decoding method according to the present invention is a decoding method for decoding coded pictures by inverse quantization and inverse orthogonal transformation, in which a quantization matrix which defines a scaling ratio of a quantization step for each component is multiplied by a multiplier, which is a coefficient for frequency transformation or a quantization step, and also, a result of the multiplication is multiplied by a quantized value, as a process of inverse quantization.
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Chen Tao
Kadono Shinya
Kashiwagi Yoshiichiro
Lim Chong Soon
Lu Jiuhuai
Diep Nhon T
Panasonic Corporation
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