人脸分割代码

function tiqu_skin
%for jj=1:1225
%I=imread（strcat（‘训练集4\‘‘1 （‘num2str（jj）‘）‘‘.jpg‘））;
I=imread（‘img19.jpg‘）;
I=double（I）;
[huesv]=rgb2hsv（I）;

cb =  0.148* I（::1） - 0.291* I（::2） + 0.439 * I（::3） + 128;
cr =  0.439 * I（::1） - 0.368 * I（::2） -0.071 * I（::3） + 128;
[w h]=size（I（::1））;

for i=1:w
    for j=1:h            
        if  140<=cr（ij） & cr（ij）<=165 &