
im = readImage('swimmer.tif');
e = eps;
showImage((1-double(edge(im,'canny',[0.0000 0.0+e],1))).*255);
showImage((1-double(edge(im,'canny',[0.0000 0.0+e],2))).*255);
showImage((1-double(edge(im,'canny',[0.0000 0.10+e],2))).*255);

