DocumentCode
894900
Title
Adaptive image approximation by linear splines over locally optimal delaunay triangulations
Author
Demaret, Laurent ; Iske, Armin
Author_Institution
GSF, Inst. fur Biomathematik und Biometrie, Neuherberg, Germany
Volume
13
Issue
5
fYear
2006
fDate
5/1/2006 12:00:00 AM
Firstpage
281
Lastpage
284
Abstract
Locally optimal Delaunay triangulations are constructed to improve previous image approximation schemes. Our construction relies on a local optimization procedure, termed exchange. The efficient implementation of the exchange algorithm is addressed, and its complexity is discussed. The good performance of our improved image approximation is illustrated by numerical comparisons.
Keywords
approximation theory; data compression; image coding; image reconstruction; mesh generation; image approximation scheme; image compression; image reconstruction; linear splines; locally optimal Delaunay triangulation; Anisotropic magnetoresistance; Approximation algorithms; Approximation error; Digital images; Image coding; Linear approximation; PSNR; Pixel; Scattering; Size measurement; Adaptive thinning algorithms; Delaunay triangulations; image approximation; linear splines; local optimization;
fLanguage
English
Journal_Title
Signal Processing Letters, IEEE
Publisher
ieee
ISSN
1070-9908
Type
jour
DOI
10.1109/LSP.2006.870358
Filename
1618697
Link To Document