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EBTC: An economical method for searching the threshold of BTC compression

EBTC: An economical method for searching the threshold of BTC compression

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An economical method for obtaining a nearly-optimal threshold for the block truncation coding (BTC) image compression algorithm is presented. Simulation results show that the PSNR performance of the proposed economic BTC (EBTC) method is very close to that of the optimised BTC (OBTC) algorithm, but EBTC only takes about half the computation time required by the OBTC algorithm.

References

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      • L.G. Chen , Y.C. Liu . A high quality MC-OBTC codec for video signal processing. IEEE Trans. Circuits Syst. Video Technol. , 1 , 92 - 985
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      • M. Kamel , C.T. Sun , L. Guan . Image compression by variable block truncation coding of monochrome images. IEEE Trans. Signal Process. , 1 , 208 - 212
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