Image decoding method and apparatus, and television receiver...

Details Image decoding method and apparatus, and television receiver... Image decoding method and apparatus, and television receiver...

2008-07-22

2008-07-22

An, Shawn (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240250, C375S240260, C375S240160, C375S240150, C375S240140, C382S233000, C382S235000, C382S238000, C382S236000

Reexamination Certificate

active

07403563

ABSTRACT:
A variable-length decoding (VLD) unit performs a variable-length decoding on an MPEG video stream. An inverse quantization (IQ) unit computes a discrete-cosine-transform (DCT) coefficient by performing an inverse quantization on results of decoding by the VLD unit. An inverse-discrete-cosine-transform (IDCT) unit carries out an IDCT for the DCT coefficients computed by the IQ unit so as to convert frequency components into the original signals. A motion-compensated-prediction (MC) unit performs a best-effort reproduction processing on received frames, during the time until the arrival of a frame serving as a reference for decoding, and returns to a normal decoding processing after the reference frame has been received.

REFERENCES:
patent: 5552831 (1996-09-01), Machida et al.
patent: 6594790 (2003-07-01), Sato et al.
patent: 7013077 (2006-03-01), Honjo
patent: 8-163575 (1996-06-01), None
patent: 2002-44667 (2002-02-01), None
patent: 2002-112276 (2002-04-01), None
Chinese Office Action for corresponding foreign patent application No. 03142390.6.
Japanese Office Action for corresponding foreign Patent Application No. 2003-155131, dated May 16, 2006.

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