Error concealment using icons for JPEG and JPEG 2000...

Details Error concealment using icons for JPEG and JPEG 2000... Error concealment using icons for JPEG and JPEG 2000...

2002-11-01

2010-02-09

Dang, Duy M (Department: 2624)

Image analysis

Image compression or coding

Substantial processing of image in compressed form

C382S233000, C382S240000

Reexamination Certificate

active

07660473

ABSTRACT:
A method and apparatus for concealing errors using lower resolution images for compressed images is described. In one embodiment, the method comprises receiving a codestream data of an image and determining a location of an error region in coefficients using an icon.

REFERENCES:
patent: 5659654 (1997-08-01), Nagasawa et al.
patent: 10-056563 (1998-02-01), None
patent: 2001-157063 (2001-06-01), None
Wang et al. (“Error Control and Concealment for Video Communication: A Review”, IEEE, vol. 86, No. 5, May 1998, pp. 974-997).
Japanese Office Action dated Apr. 23, 2008; JP Patent Application No. JP2003-371937 (1 pg.).

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