A very good, neat and classic contour detection. (cpp code , matlab scr ipt and test image included). You can learn the basic idea of contour detection and do your research based on this.

figure imagesc(Img,[0 255]) colormap(gray) hold on bw = roipoly phi = 2*(0.5-bw) tic for n = 1:200 phi = Evo_ILF_2D(phi,mu,lambda,epsilon,timestep,Img_lap) pause(0.05) imagesc(Img, [0, 255]) colormap(gray) hold on [c,h] = c