Title :
Improved searching scheme for fractal image coding
Author :
Lai, Cheung-Ming ; Lam, Kin-Man ; Wan-Chi Sin
Author_Institution :
Centre for Multimedia Signal Process., Hong Kong Polytech. Univ., Kowloon, China
fDate :
12/5/2002 12:00:00 AM
Abstract :
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.
Keywords :
data compression; fractals; image coding; search problems; PSNR; compression ratio; fractal image coding; image representation; improved searching; local variances method; matched domain block; nonsymmetric window; reconstructed image; speedup;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20021175
