DocumentCode
971173
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
Volume
38
Issue
25
fYear
2002
fDate
12/5/2002 12:00:00 AM
Firstpage
1653
Lastpage
1654
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;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:20021175
Filename
1137443
Link To Document