clear?all;
close?all;
Img?=?imread（‘I11_256.bmp‘）;??%?The?same?cell?image?in?the?paper?is?used?here
%Img?=?imread（‘twocells.bmp‘）;?
%Img?=?imread（‘rice.bmp‘）;
Img=double（Img（::1））;
sigma=2;%?scale?parameter?in?Gaussian?kernel?for?smoothing.
G=fspecial（‘gaussian‘15sigma）;
Img_smooth=conv2（ImgG‘same‘）;??%?smooth?image?by?Gaussiin?convolution
[IxIy]=gradient（Img_smooth）;
%f=Ix.^2+Iy.^2;
%?g=1./（1+f）;??%?edge?indicator?function.
f=sqrt（Ix.^2+Iy.^2）;
m=4;
f1=f/m;
f1=-f1;
g=exp（f1）;%收斂停止函數(shù)


epsilon=1.5;?%?the?papramater?in?the?definition?of?smoothed?Dirac?function

timestep=5;??%?time?step
mu=0.2/timestep;??%?coefficient?of?the?internal?（penalizing）?energy?term?P（\phi）
??????????%?Note:?the?product?timestep*mu?must?be?less?than?0.25?for?stability!

lambda=8;?%?co

?屬性????????????大小?????日期????時(shí)間???名稱
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?????文件?????572402??2011-04-01?10:20??距離保持水平集\20081207.pdf

?????文件??????66614??2003-11-08?00:13??距離保持水平集\curve_256.bmp

?????文件???????2222??2003-11-07?01:26??距離保持水平集\dyCurve.bmp

?????文件??????66614??2003-05-05?23:22??距離保持水平集\I11_256.bmp

?????文件??????17462??2003-11-06?01:19??距離保持水平集\I24.bmp

?????文件??????17462??2003-11-08?01:35??距離保持水平集\pentagram.bmp

?????文件??????17462??2003-05-05?23:22??距離保持水平集\rice.bmp

?????文件???????2489??2011-04-05?11:09??距離保持水平集\sjx_demo.asv

?????文件???????2491??2011-04-05?11:22??距離保持水平集\sjx_demo.m

?????文件???????1455??2011-04-05?10:45??距離保持水平集\sjx_EVOLUTION.m

????..A.SH.?????33792??2011-04-11?22:51??距離保持水平集\Thumbs.db

?????文件??????16434??2004-07-23?19:36??距離保持水平集\twocells.bmp

?????文件???????8134??2004-07-05?18:59??距離保持水平集\twoObj.bmp

?????目錄??????????0??2011-04-11?22:51??距離保持水平集

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???????????????825033????????????????????14