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The predictive embedded zerotree wavelet (PEZW) coder: low complexity image coding with versatile functionality

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1 Author(s)
Liang, J. ; Media Technol. Lab., Texas Instrum. Inc., Dallas, TX, USA

We introduce the predictive embedded zerotree wavelet (PEZW) codec, an image coder that achieves good coding efficiency and versatile functionality with limited complexity requirement. Our complexity analysis showed that the memory requirement of this coder is less than 15 k bytes regardless of image sizes. Our simulation results also showed that the coding efficiency of this low complexity coder is competitive with the state of the art of wavelet coders that use whole image buffers. The PEZW coder described has been adopted in MPEG4 as its still texture coding tool and is currently a proposal to the evolving JPEG2000 standard

Published in:

Acoustics, Speech, and Signal Processing, 1999. Proceedings., 1999 IEEE International Conference on  (Volume:3 )

Date of Conference:

15-19 Mar 1999

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