%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%?
%?		SNAKE?DEMO?ver?1.0?beta
%?
%???Interface?by
%
%	?Dejan?Tomazevic	（e-mail?dejan.tomazevic@kiss.uni-lj.si）	10/2/98
%???Copyright?（c）?1998?by?Dejan?Tomazevic
%	?BIPROG?Faculty?of?Electrical?Engineering?University?of?Ljubljana
%
%???Snake?and?GVF?functions?by
%???Chenyang?Xu?and?Jerry?L.?Prince?6/17/97
%???Copyright?（c）?1996-97?by?Chenyang?Xu?and?Jerry?L.?Prince
%???Image?Analysis?and?Communications?Lab?Johns?Hopkins?University
%
%
%	?This?program?was?written?during?Dejan?Tomazevic?visit?Johns?Hopkins?University?in
%?	?purpose?to?show?the?use?of?traditional?snakes?and?GVF?snakes?M?fuctions.
%
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%?PROGRAM?BEGINS?%%%%%%%%%%


%%%%%%%?INICIALIZATIONA?%%%%%%%%%%%%%%
clear;

%?Add?the?tools?to?the?current?path
p?=?path;
path（p?‘./snake;./subf‘）;

%%%%%%%%%%%%%?define?global?variables?%%%%%%%%%%%%%%%%%%%
%%%%?image?processing?variables
global?Image1;							%?original?image
global?sigma;
global?mu;
global?alpha?beta?gamma?kappa?dmin?dmax;		%?parameters?for?the?snake
global?NoGVFIterations;				%?number?of?GVF?iterations
global?NoSnakeIterations;		???%?number?of?Snake?iterations
global?SchangeInFieldType;
global?VectorFieldButt;				%?define?the?type?of?vector?filed
global?SnakeON;						%?indicate?if?snake?is?visible
global?IncSnakeRadius;				%?inicializaton?snake?radius
global?CircleOn;						%?inicalization?snake?will?be?circle
global?SnakeDotsON;				???%?1?if?snake?dots?should?be?displeyed
global?GradientOn;					%?1?if?gradient?is?applayed?with?blur
global?XSnake?YSnake;				%?conture?of?the?snake
global?XSnakeInc?YSnakeInc;???	%?incicialization?conture?of?the?snake


sigma=0;
mu=0.1;
alpha=0.05;
beta=0;
gamma=1;
kappa=0.6;			
dmin=0.5;
dmax=2;
SchangeInFieldType=1;

NoGVFIterations=80;
NoSnakeIterations=40;

VectorFieldButt（1）=1;				%?standard?field
VectorFieldButt（2）=0;				%?GVF?filed
VectorFieldButt（3）=1;				%?normalized?GVF
SnakeON=0;								%?snake?is?not?drown?on?the?picture?at?the?begining
IncSnakeRadius=0.5;

CircleOn=1;
SnakeDotsON=1;
GradientOn=0;

%%%%?interface?variables
global?VectorOfLocalMenuHD;		%vector?of?local?objects?that?can?be?arased
VectorOfLocalMenuHD=[];
global?HDmainf;			?			%main?figure?handle
global?HDorigPic;						%original?picture?axes?handle
global?HDbluredPic;				???%blured?picture?axes?handle
global?HDvectorFPic;					%handle?of?vector?field?picture
global?HDhelpAxes;					%handle?of?help?window
global?HDhelpSlider1?HDhelpSlider2;	%handle?of?the?slider?for?help?text?
global?HDvectorOfTexthd;			%?vector?of?help?text?handels
global?xsize?ysize;					%size?of?the?picture
global?HDMenuAxes;					%Axes?for?the?help
global?HDSnakeLine;					%vector?of?Handles?of?Snake?lines?on?the?picture
global?FileName?PathName;			%?name?of?the?file
global?ExampleNo;						%?number?of?examp

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????31456??1998-10-02?08:33??head.jpg
?????目錄???????????0??1999-01-06?13:49??images\
?????文件???????47490??1999-01-06?13:49??images\chest.pgm
?????文件????????1064??1998-09-30?09:50??images\heart.mat
?????文件???????25615??1998-09-29?10:01??images\heart.pgm
?????文件????????4248??1998-09-30?09:58??images\heart2.mat
?????文件????????4056??1998-10-01?06:18??images\heart3.mat
?????文件???????65594??1999-01-06?13:32??images\new.pgm
?????文件????????2792??1998-09-30?10:26??images\room.mat
?????文件????????4109??1997-08-28?12:32??images\room.pgm
?????文件????????2928??1998-09-30?09:43??images\room2.mat
?????文件????????2928??1998-09-30?09:44??images\room3.mat
?????文件????????3304??1998-10-01?06:20??images\u64.mat
?????文件????????4109??1997-08-28?12:32??images\U64.pgm
?????文件????????2952??1998-10-07?04:51??images\u642.mat
?????文件????????3800??1998-10-06?09:00??sdemo.m
?????目錄???????????0??2000-04-12?20:18??snake\
?????文件?????????916??2000-04-12?20:06??snake\BoundMirrorEnsure.m
?????文件?????????699??2000-04-12?20:06??snake\BoundMirrorExpand.m
?????文件?????????488??2000-04-12?20:06??snake\BoundMirrorShrink.m
?????文件????????1096??1997-08-28?12:32??snake\Contents.m
?????文件?????????608??1997-08-28?12:32??snake\dt.m
?????文件?????????500??1997-08-28?12:32??snake\gaussianBlur.m
?????文件?????????255??1997-08-28?12:32??snake\gaussianMask.m
?????文件?????????895??1998-10-08?10:23??snake\GGVF.m
?????文件????????1640??2000-04-12?20:06??snake\GVF.m
?????文件?????????257??1998-09-30?06:08??snake\imdisp.m
?????文件????????3256??1997-08-28?12:32??snake\rawread.m
?????文件????????1536??1998-10-07?05:15??snake\rawwrite.m
?????文件????????1504??1998-09-21?05:42??snake\snakedeform.m
?????文件????????1856??1997-08-28?12:32??snake\snakedeform2.m
............此處省略23個文件信息