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Block Truncation Coding using Reduction Method of Chrominance Data for Color Image Compression  

Cho, Moon-Ki (Div. of Electronic Engineering, Inha University)
Yoon, Yung-Sup (Div. of Electronic Engineering, Inha University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SD / v.49, no.3, 2012 , pp. 30-36 More about this Journal
Abstract
block truncation coding(BTC) image compression is known as a simple and efficient technology for image compression algorithm. In this paper, we propose RMC-BTC algorithm(RMC : reduction method chrominace data) for color image compression. To compress chrominace data, in every BTC block, the RMC-BTC coding employs chrominace data expressed with average of chrominace data and using method of luminance data bit-map to represented chrominance data bit-map. Experimental results shows efficiency of proposed algorithm, as compared with PSNR and compression ratio of the conventional BTC method.
Keywords
overdrive technique; color image compression; color space conversion; block truncation coding;
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