Significance map-based adaptive wavelet zerotree codec (SMAWZ)

Rade Kutil

doi:10.1117/12.451060

20 December 2001 Significance map-based adaptive wavelet zerotree codec (SMAWZ)

Rade Kutil

Proceedings Volume 4674, Media Processors 2002; (2001) https://doi.org/10.1117/12.451060
Event: Electronic Imaging, 2002, San Jose, California, United States

Abstract

This paper presents a wavelet based codec (SMAWZ) that uses the most important features of the SPIHT algorithm (zero-trees) while eliminating all concepts that are incompatible with a reduced hardware environment. This is done by replacing dynamic list structures with static maps (significance maps) which leads to a simpler and spacially oriented coefficient scan order. Additionally, extensions such as wavelet packet support and object based coding are included.

Citation Download Citation

Rade Kutil "Significance map-based adaptive wavelet zerotree codec (SMAWZ)", Proc. SPIE 4674, Media Processors 2002, (20 December 2001); https://doi.org/10.1117/12.451060

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