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Rate-distortion unequal error protection for fractal image codes

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2001

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Proceedings 2001 International Conference on Image Processing (Cat. No.01CH37205). IEEE, 2001, pp. 98-101. ISBN 0-7803-6725-1. Available under: doi: 10.1109/ICIP.2001.958962

Zusammenfassung

Fractal image codes are very sensitive to bit errors because the decoding of a block is dependent not only on the code information associated to this block but also on the code information associated to other blocks. We analyze the sensitivity of a fractal code to transmission errors in a binary symmetric channel. We provide two rate-distortion unequal error protection techniques that allocate the code bits to protection classes in a nearly optimal way. We give an implementation for BCH and RCPC channel codes and show that RCPC codes are preferable. For a binary symmetric channel bit error probability of 0.1 and a total code rate of 0.5 bpp, the loss in reconstruction quality with our best implementation was about 3.9 dB for the 512 x 512 Lenna image, yielding a PSNR of 26.6 dB.

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2001 International Conference on Image Processing, Thessaloniki, Greece
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ISO 690STANKOVIC, Vladimir, Raouf HAMZAOUI, Dietmar SAUPE, 2001. Rate-distortion unequal error protection for fractal image codes. 2001 International Conference on Image Processing. Thessaloniki, Greece. In: Proceedings 2001 International Conference on Image Processing (Cat. No.01CH37205). IEEE, 2001, pp. 98-101. ISBN 0-7803-6725-1. Available under: doi: 10.1109/ICIP.2001.958962
BibTex
@inproceedings{Stankovic2001Rated-23143,
  year={2001},
  doi={10.1109/ICIP.2001.958962},
  title={Rate-distortion unequal error protection for fractal image codes},
  isbn={0-7803-6725-1},
  publisher={IEEE},
  booktitle={Proceedings 2001 International Conference on Image Processing (Cat. No.01CH37205)},
  pages={98--101},
  author={Stankovic, Vladimir and Hamzaoui, Raouf and Saupe, Dietmar}
}
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