Publikation:

Fast algorithm for optimal error protection of embedded wavelet codes

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Stankovic_231415.pdf
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2003

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Stankovic, Vladimir

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http://nbn-resolving.de/urn:nbn:de:bsz:352-231415
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https://doi.org/10.1109/TCOMM.2003.819235
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IEEE Transactions on Communications. 2003, 51(11), pp. 1788-1795. ISSN 0090-6778. Available under: doi: 10.1109/TCOMM.2003.819235

Zusammenfassung

Embedded wavelet codes are very sensitive to channel noise because a single bit error can lead to an irreversible loss of synchronization between the encoder and the decoder. Sherwood and Zeger protected a zero-tree based embedded wavelet code sent through a memoryless noisy channel by using cyclic redundancy detection codes (CRC) and channel correction codes. Chande and Farvardin proposed an optimal joint source-channel allocation strategy for such systems. We show how to accelerate their algorithm without quality loss. For grey scale test images of size 512 x 512, our speedup factors ranged from 1.2 to 6 for total bit rates between 0.25 and 1.0 bits per pixel. Moreover, by using turbo codes as channel codes, we obtained competitive peak-signal-tonoise ratio (PSNR) results.

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004 Informatik

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IEEE Fourth Workshop on Multimedia Signal Processing, 3. Okt. 2001 - 5. Okt. 2001, Cannes, France
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ISO 690STANKOVIC, Vladimir, Raouf HAMZAOUI, Dietmar SAUPE, 2003. Fast algorithm for optimal error protection of embedded wavelet codes. IEEE Fourth Workshop on Multimedia Signal Processing. Cannes, France, 3. Okt. 2001 - 5. Okt. 2001. In: IEEE Transactions on Communications. 2003, 51(11), pp. 1788-1795. ISSN 0090-6778. Available under: doi: 10.1109/TCOMM.2003.819235
BibTex
@article{Stankovic2003-11algor-23141,
  year={2003},
  doi={10.1109/TCOMM.2003.819235},
  title={Fast algorithm for optimal error protection of embedded wavelet codes},
  number={11},
  volume={51},
  issn={0090-6778},
  journal={IEEE Transactions on Communications},
  pages={1788--1795},
  author={Stankovic, Vladimir and Hamzaoui, Raouf and Saupe, Dietmar}
}
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