function?[bdybdx]=backward_gradient（f）;
%?function?[bdxbdy]=backward_gradient（f）;
%??
%???created?on?04/26/2004
%???author:?Chunming?Li
%???email:?li_chunming@hotmail.com
%???Copyright?（c）?2004-2006?by?Chunming?Li
[nrnc]=size（f）;
bdx=zeros（nrnc）;
bdy=zeros（nrnc）;

bdx（2:nr:）=f（2:nr:）-f（1:nr-1:）;
bdy（:2:nc）=f（:2:nc）-f（:1:nc-1）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????351??2005-10-08?14:15??levelsetcode_CV\backward_gradient.m

?????文件????????787??2005-10-08?14:14??levelsetcode_CV\binaryfit.m

?????文件????????791??2005-10-08?14:02??levelsetcode_CV\curvature.m

?????文件????????280??2005-10-08?14:16??levelsetcode_CV\Delta.m

?????文件???????1542??2008-04-17?16:03??levelsetcode_CV\demo_cv.asv

?????文件???????1540??2010-07-16?14:56??levelsetcode_CV\demo_cv.m

?????文件??????76078??2008-04-07?20:45??levelsetcode_CV\dong.bmp

?????文件???????1408??2008-04-16?20:51??levelsetcode_CV\EVOLUTION_CV.asv

?????文件???????1364??2006-10-06?01:32??levelsetcode_CV\EVOLUTION_CV.m

?????文件????????367??2005-10-08?14:15??levelsetcode_CV\forward_gradient.m

?????文件????????711??2004-10-08?12:52??levelsetcode_CV\get_contour.m

?????文件????????281??2005-10-08?14:16??levelsetcode_CV\Heaviside.m

?????文件????????377??2008-04-14?17:02??levelsetcode_CV\jiazao.m

?????文件????????337??2005-10-08?14:18??levelsetcode_CV\plotLevelSet.m

?????文件????????588??2005-10-08?14:28??levelsetcode_CV\sdf2circle.m

?????文件???????1202??2006-10-06?01:30??levelsetcode_CV\test.asv

?????文件??????11766??2004-06-09?12:07??levelsetcode_CV\three.bmp

?????文件??????16434??2004-07-23?20:36??levelsetcode_CV\twocells.bmp

?????文件??????14286??2005-07-25?15:45??levelsetcode_CV\vessel.bmp

?????目錄??????????0??2010-07-16?14:56??levelsetcode_CV

-----------?---------??----------?-----??----

???????????????130490????????????????????20