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Improved searching scheme for fractal image coding

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3 Author(s)
Cheung-Ming Lai ; Centre for Multimedia Signal Process., Hong Kong Polytech. Univ., Kowloon, China ; Kin-Man Lam ; Wan-Chi Sin

The authors propose using a non-symmetric window to search for the best matched domain block based on the local variances method. Experimental results show that the proposed scheme can achieve a speedup of 50% with only slight degradation in PSNR and compression ratio.

Published in:

Electronics Letters  (Volume:38 ,  Issue: 25 )