Moving image decoding apparatus

Details Moving image decoding apparatus Moving image decoding apparatus

2011-03-22

2011-03-22

Payne, David C (Department: 2611)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

Reexamination Certificate

active

07912132

ABSTRACT:
Stream data is decoded for respective macroblocks to store decoded information in a memory, and an error is detected from the decoded information of each macroblock. As a result, if any error is detected, a plurality of pieces of decoded information of macroblocks ahead of the macroblock from which an error is detected are read out from the memory to check if the presence/absence of decoded information including a syntax that does not match rules. The macroblock in which an error mixed or a macroblock in which an error is estimated to mix is estimated based on the checking result, and a plurality of pieces of decoded information after the macroblock in which an error mixed are discarded based on the estimation result.

REFERENCES:
patent: 2002/0094027 (2002-07-01), Sato et al.
patent: 2004/0151248 (2004-08-01), Kondo et al.
patent: 10-262257 (1998-09-01), None
IEEE Tranactions on Circuits and Systems for Video Technology, vol. 13, No. 7, Jul. 2003.
H. Mori et al; “One Examination of Reproduction Image Under Error Environment in H.264”; Technical Report of IEICE, IE2004-18, May 2004.
“Error Resilient Video Coding Techniques in International Standards”, The Institute of Electronics, Information and Communication Engineers, vol. 83, No. 4: S. Fukunaga; Apr. 2000, pp. 317-320.
Japanese Office Action (and English translation thereof) dated Aug. 5, 2008, issued in a counterpart Japanese Application.

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