渐进式栅格编码空频量化小波图像编码

Proceedings 2001 International Conference on Image Processing (Cat. No.01CH37205) Pub Date : 2001-10-07 DOI:10.1109/ICIP.2001.958965

Pierre Seigneurbieux, Zixiang Xiong

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引用次数: 9

摘要

本文在网格编码空间-频率量化(TCSFQ)框架内处理渐进式小波图像编码(Xiong and Wu 1999)。采用与Bilgin等人(1999)类似的方法，在解码速率低于编码速率时对TCSFQ进行近似反演。我们的实验表明，渐进式编码的PSNR损失在1 dB以内，TCSFQ的渐进式编码性能在任何情况下都与著名的SPIHT编码器(Said and Pearlman 1996)具有竞争力。

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Progressive trellis-coded space-frequency quantization for wavelet image coding

This paper addresses progressive wavelet image coding within the trellis-coded space-frequency quantization (TCSFQ) framework (Xiong and Wu 1999). A method similar to that in Bilgin et al. (1999) is used to approximately invert TCSFQ when decoding at rates lower than the encoding rate. Our experiments show that the loss incurred for progressive coding is within one dB in PSNR and that the progressive coding performance of TCSFQ is competitive with that of the celebrated SPIHT coder (Said and Pearlman 1996) at all rates.

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Proceedings 2001 International Conference on Image Processing (Cat. No.01CH37205)

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