System, method, and apparatus for error concealment in coded...

Details System, method, and apparatus for error concealment in coded... System, method, and apparatus for error concealment in coded...

2004-01-15

2009-10-20

Rao, Andy S (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240260

Reexamination Certificate

active

07606313

ABSTRACT:
Efficient techniques are provided to detect and correct channel errors found in an encoded video signal. In one example embodiment, header information in a video frame is analyzed to detect channel errors in the video frame. The video frame is then corrected for detected channel errors by isolating the detected channel errors to a few macroblocks in the video frame to reduce data loss and improve video quality.

REFERENCES:
patent: 5566089 (1996-10-01), Hoogenboom
patent: 5621467 (1997-04-01), Chien et al.
patent: 6876705 (2005-04-01), Katsavounidis et al.

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