JISE

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Journal of Information Science and Engineering, Vol. 15 No. 1, pp. 1-9

A Compression Algorithm Based on Classified Interpolative Block Truncation Coding and Vector Quantization

Chun-Hung Kuo, Chang-Fuu Chen^* and Wen-Nan Hsia
Department of Electrical Engineering
Tatung Institute of Technology
Taipei, Taiwan 104, R.O.C.
^* Department of Computer and Communication Engineering
National Institute of Technology at Kaohsiung
Kaohsiung, Taiwang 807, R.O.C.

In this paper, the mean square error with block truncation coding (BTC) is analyzed to propose a classified interpolative BTC algorithm with VQ for improving the interpolative BTC with VQ [7]. The simulation results indicate that the bit rate and PSNR of this classified interpolative BTC algorithm with VQ are better than those of the interpolative BTC algorithm with VQ [7].

Keywords: image coding, block truncation coding (BTC), vector quantization (VQ), interpolative BTC (IBTC)

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