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3-D wavelet coding of video with arbitrary regions of support

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4 Author(s)
Minami, G. ; Dept. of Electr. Eng., Hawaii Univ., Honolulu, HI, USA ; Zixiang Xiong ; Wang, A. ; Mehrotra, S.

We examine 3-D wavelet coding of video with arbitrary regions of support (AROS). A critically sampled wavelet transform is applied to the AROS and a modified 3-D set partitioning in hierarchical trees (SPIHT) algorithm is used to quantize and code the wavelet coefficients in the AROS only. Experiments show that, for typical MPEG-4 pre-segmented sequences, our proposed method can achieve a gain of up to 5.6 dB in average PSNR at the same rate over 3-D SPIHT coding of regular volumes that embed the AROS of the given video sequences

Published in:

Circuits and Systems for Video Technology, IEEE Transactions on  (Volume:11 ,  Issue: 9 )

Date of Publication:

Sep 2001

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