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Set partitioning in hierarchical trees

From Wikipedia, the free encyclopedia

Set partitioning in hierarchical trees (SPIHT)[1] is an image compression algorithm that exploits the inherent similarities across the subbands in a wavelet decomposition of an image. The algorithm was developed by Brazilian engineer Amir Said with William A. Pearlman in 1996.[1]

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Transcription

General description

The algorithm codes the most important wavelet transform coefficients first, and transmits the bits so that an increasingly refined copy of the original image can be obtained progressively.

See also

References

  1. ^ a b Said, A.; Pearlman, W. A. (1996). "A new, fast, and efficient image codec based on set partitioning in hierarchical trees". IEEE Transactions on Circuits and Systems for Video Technology. 6 (3): 243–250. doi:10.1109/76.499834. ISSN 1051-8215. Retrieved 18 October 2019.


This page was last edited on 4 April 2024, at 17:21
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