基于肤色人脸识别代码_肤色检测_人脸识别_matlab

function segment=xiaozheng(I); %Gray world 彩色均衡法消除光线影响 % RGB to YCgCb,求Cg与Cb的平均值 %I=double(I); %cg0 = -0.318*I(:,:,1) +0.439* I(:,:,2)-0.121*I(:,:,3)+128; %cb0 = -0.148*I(:,:,1) - 0.291*I(:,:,2)+0.439*I(:,:,3)+128; %sum_cg=0;sum_cb=0; %for i=1:w % for j=1:h % sum_cg=sum_cg+cg0(i,j); % sum_cb=sum_cb+cb0(i,j); % end %end % mean_cg=sum_cg/(w*h); % mean_cb=sum_cb/(w*h); %if ((mean_cg-mean_cb)>5)|((mean_cb-mean_cg)>5) segment=I; [w h]=size(segment(:,:,1)); sumr=0;sumg=0;sumb=0; segment=double(segment); for i=1:w for j=1:h sumr=sumr+segment(i,j,1); %求像素和 sumg=sumg+segment(i,j,2); sumb=sumb+segment(i,j,3);