A METHOD OF IMAGE VECTOR QUANTIZATION CODING USING RECTANGULAR TRANSFORM

Wang Kai; Song Guowen

Volume 12 Issue 1

Jan. 1990

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Wang Kai, Song Guowen. A METHOD OF IMAGE VECTOR QUANTIZATION CODING USING RECTANGULAR TRANSFORM[J]. Journal of Electronics & Information Technology, 1990, 12(1): 1-6.

Citation:

Wang Kai, Song Guowen. A METHOD OF IMAGE VECTOR QUANTIZATION CODING USING RECTANGULAR TRANSFORM[J]. Journal of Electronics & Information Technology, 1990, 12(1): 1-6.

Wang Kai, Song Guowen. A METHOD OF IMAGE VECTOR QUANTIZATION CODING USING RECTANGULAR TRANSFORM[J]. Journal of Electronics & Information Technology, 1990, 12(1): 1-6.

Citation:

Wang Kai, Song Guowen. A METHOD OF IMAGE VECTOR QUANTIZATION CODING USING RECTANGULAR TRANSFORM[J]. Journal of Electronics & Information Technology, 1990, 12(1): 1-6.

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A METHOD OF IMAGE VECTOR QUANTIZATION CODING USING RECTANGULAR TRANSFORM

Wang Kai^{①;宋国文},
Song Guowen

Received Date: 1988-07-07
Rev Recd Date: 1989-03-27
Publish Date: 1990-01-19

Abstract

Abstract

A simple and practical rectangular transform and the vector quantization technique are described. A method for image data compression by combining the rectangular transform with vector quantization technique is presented. By using this method, the dimension of vector coding and the size of the corresponding codebook are reduced; the vector encoding process is picked up; and also the coding rate is reduced. The results of simulation show that this coding method is very effective in the field of image coding.

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References(1)

References

姚庆栋等编著,图象编码基础,人民邮电出版社,北京,1984年,第六章.[2]K. Sivaraman, K.P.Rajappan, Signal Processing, 5(1983)4, 377-383.[3]T. S. Huang, Picture Processing and Digital Filtering, New York, 1979, Chapter 2.[4] Robert M. Gray, Vector Quantization, IEEE Trans. on ASSP, ASSP-32(1984)4, 4-29.[4]Y. Linde, A.Buzo, and R.M. Gray,An Algorithm for Vector Quantizer Design, IEEE Trans. on COM, COM-28(1980)1, 84-95.[5]汪凯,宋国文,矢量量化编码图象恢复质量的改善,全国信息论与通信理论学术会议论文,长春,1987年.

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