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Progressive coding of medical volumetric data using three-dimensional integer wavelet packet transform

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4 Author(s)
Xiong, Z. ; Hawaii Univ., Honolulu, HI, USA ; Wu, X. ; Yun, D.Y. ; Pearlman, W.A.

We examine progressive lossy to lossless compression of medical volumetric data using three-dimensional (3D) integer wavelet packet transforms and set partitioning in hierarchical trees (SPIHT). To achieve good lossy coding performance, we describe a 3D integer wavelet packet transform that allows implicit bit shifting of wavelet coefficients to approximate a 3D unitary transformation. We also address context modeling for efficient entropy coding within the SPIHT framework. Both lossy and lossless coding performance are better than those previously reported

Published in:

Multimedia Signal Processing, 1998 IEEE Second Workshop on

Date of Conference:

7-9 Dec 1998