一个新设计的OTSU算法，使用方法如下：％ load clown

％ subplot(221)

％ imshow(X/max(X(:)))

％ title( Original , FontWeight , bold )

％ for n = 2:4

％ Iseg = otsu(X,n)

％ subplot(2,2,n), colormap(gray)

％ imshow(Iseg)

％ title([ n = int2str(n)], FontWeight , bold )

％ end