Publikation:

Progressive fractal coding

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Kopilovic_231451.pdf
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2001

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Kopilovic, Ivan

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http://nbn-resolving.de/urn:nbn:de:bsz:352-231451
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https://doi.org/10.1109/ICIP.2001.958959
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Proceedings 2001 International Conference on Image Processing (Cat. No.01CH37205). IEEE, 2001, pp. 86-89. ISBN 0-7803-6725-1. Available under: doi: 10.1109/ICIP.2001.958959

Zusammenfassung

Progressive coding is an important feature of compression schemes. Wavelet coders are well suited for this purpose because the wavelet coefficients can be naturally ordered according to decreasing importance. Progressive fractal coding is feasible, but it was proposed only for hybrid fractal-wavelet schemes. We introduce a progressive fractal image coder in the spatial domain. A Lagrange optimization based on rate-distortion performance estimates determines an optimal ordering of the code bits. The optimality is in the sense that the reconstruction error is monotonically decreasing and minimum at intermediate rates. The decoder recovers this ordering without side information. As a side effect, our work motivates improved bit allocation strategies for fractal coding.

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2001 International Conference on Image Processing, Thessaloniki, Greece
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ISO 690KOPILOVIC, Ivan, Dietmar SAUPE, Raouf HAMZAOUI, 2001. Progressive fractal coding. 2001 International Conference on Image Processing. Thessaloniki, Greece. In: Proceedings 2001 International Conference on Image Processing (Cat. No.01CH37205). IEEE, 2001, pp. 86-89. ISBN 0-7803-6725-1. Available under: doi: 10.1109/ICIP.2001.958959
BibTex
@inproceedings{Kopilovic2001Progr-23145,
  year={2001},
  doi={10.1109/ICIP.2001.958959},
  title={Progressive fractal coding},
  isbn={0-7803-6725-1},
  publisher={IEEE},
  booktitle={Proceedings 2001 International Conference on Image Processing (Cat. No.01CH37205)},
  pages={86--89},
  author={Kopilovic, Ivan and Saupe, Dietmar and Hamzaoui, Raouf}
}
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