Active Contour Models : William and Shah Snake

Clive Saha, John Hsu and Chivas Nambiar

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Below is a comparison chart for the different images which have been segmented by the various methods:
Original Image Shah Algorithm GVF Algorithm Region Growing Thresholding
         
         
ustart.gif (37057 bytes) ulast.gif (37057 bytes) u.gif (75695 bytes) growu.gif (190 bytes) vitsu.gif (203 bytes)
sshtlstart.gif (75115 bytes) sshtllast.gif (75115 bytes)   growsshtl.gif (319 bytes) vitssshtl.gif (491 bytes)
solstart.gif (66737 bytes) sollast.gif (66737 bytes)   growsol.gif (394 bytes) vitssol.gif (927 bytes)
pacstart.gif (19384 bytes) paclast.gif (19384 bytes) pac.gif (70760 bytes) growpac.gif (628 bytes) vitspac.gif (2197 bytes)

 

 

 

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