Nearly optimum multilevel block truncation coding based on a mean absolute error criterion

被引：30

作者：

Kuo, CH

Chen, CF

机构：

[1] Department of Electrical Engineering, Tatung Institute of Technology

来源：

IEEE SIGNAL PROCESSING LETTERS | 1996年 / 3卷 / 09期

关键词：

D O I：

10.1109/97.536598

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this letter, a new generalized multilevel block truncation coding (BTC) algorithm based on a mean absolute error criterion is proposed, The proposed multilevel ETC algorithm requires only additions/subtractions to segment a block into desired regions, The simulation results indicate that the mean absolute error and peak signal-to-noise ratio (PSNR) of the algorithm is very close to those of the optimum BTC. The performance of the algorithm is superior to other multilevel ETC algorithms that have been proposed, both in image quality and in computational complexity.

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收藏

页码：269 / 271

页数：3

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