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1997 International Conference on Image Processing (ICIP'97) - Volume 2
A class of reversible variable length codes for robust image and video coding
Washington, DC
October 26-October 29
ISBN: 0-8186-8183-7
Jiangtao Wen, Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA
J.D. Villasenor, Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA
We describe a class of parameterized reversible variable length codes that have length distributions identical to Golomb-Rice codes and exp-Golomb codes. The pdfs to which these codes correspond are well matched to statistics of image and video data, thus enabling an increase in robustness to channel errors with no penalty in coding efficiency. These codes are applicable to MPEG-4 and other algorithms that aim to use variable length codes in error-prone environments.
Index Terms:
variable length codes; reversible variable length codes; image coding; video coding; length distributions; Golomb-Rice codes; exp-Golomb codes; statistics; robustness; channel errors; MPEG-4; error-prone environments
Citation:
Jiangtao Wen, J.D. Villasenor, "A class of reversible variable length codes for robust image and video coding," icip, vol. 2, pp.65, 1997 International Conference on Image Processing (ICIP'97) - Volume 2, 1997
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