​ YUV 422p To RGB 888 C语言版本接口说明：[cpp:showcolumns] ​​view plain​​​​copy​​​​print​​​​?​​ ·········10········20········30········40········50········60········70········80········90········100······· 5 img=imread('lena_color.jpg'); 6 img=mat2gray(img); %任意区间映射到[0,1]; 7 [m n dim]=size(img); 8 imshow(img);