File list (Check if you may need any files):
snake_demo
..........\images
..........\......\chest.pgm
..........\......\heart.mat
..........\......\heart.pgm
..........\......\heart2.mat
..........\......\heart3.mat
..........\......\new.pgm
..........\......\room.mat
..........\......\room.pgm
..........\......\room2.mat
..........\......\room3.mat
..........\......\u64.mat
..........\......\U64.pgm
..........\......\u642.mat
..........\sdemo.m
..........\snake
..........\.....\BoundMirrorEnsure.m
..........\.....\BoundMirrorExpand.m
..........\.....\BoundMirrorShrink.m
..........\.....\Contents.m
..........\.....\dt.m
..........\.....\gaussianBlur.m
..........\.....\gaussianMask.m
..........\.....\GGVF.m
..........\.....\GVF.m
..........\.....\imdisp.m
..........\.....\rawread.m
..........\.....\rawwrite.m
..........\.....\snakedeform.m
..........\.....\snakedeform2.m
..........\.....\snakedisp.m
..........\.....\snakeindex.m
..........\.....\snakeinit.m
..........\.....\snakeinterp.m
..........\.....\snakeinterp1.m
..........\.....\xconv2.m
..........\subf
..........\....\caclVF.m
..........\....\CallBackHelpSlider.m
..........\....\closeapl.m
..........\....\gradient2.m
..........\....\iterset.m
..........\....\iterset2.m
..........\....\menu0.m
..........\....\menu1.m
..........\....\menu2.m
..........\....\menu3.m
..........\....\muset.m
..........\....\RadioUPDATE.m
..........\....\sigmaset.m
..........\....\SnakeIter.m
..........\....\snakeset.m
..........\....\WriteHelp.m