clc;close all;clear
%read image
% RGBimga = imread('bmpinput_1080p.bmp');
RGBimga = imread('bmpinput_720p.bmp');
RGBimgb = RGBimga*0;
RGBimga = RGBimgb;[Hs Vs Dim] = size(RGBimga);
gate = Vs/6; %6个竖彩条间隔
i = 1;
RGBimga(:,(i-1)*gate+1:i*gate,1) = 255;    %R
i = i+1;
RGBimga(:,(i-1)*gate+1:i*gate,2) = 255;    %G
i = i+1;
RGBimga(:,(i-1)*gate+1:i*gate,3) = 255;    %B
i = i+1;
RGBimga(:,(i-1)*gate+1:i*gate,1) = 255;    %R
i = i+1;
RGBimga(:,(i-1)*gate+1:i*gate,2) = 255;    %G
i = i+1;
RGBimga(:,(i-1)*gate+1:i*gate,3) = 255;    %B
figure;imshow(RGBimga);[Hs Vs Dim] = size(RGBimgb);
gate = Hs/3; %3个横彩条间隔
RGBimgb(1:gate,:,1) = 255;                 %R
RGBimgb(gate+1:2*gate,:,2) = 255;     %G
RGBimgb(2*gate+1:3*gate,:,3) = 255;  %B
figure;imshow(RGBimgb);RGBimga = uint8(RGBimga);
RGBimgb = uint8(RGBimgb);yuvima = rgb2yuv(RGBimga);  %rgb2ycbcr
% yuvima = rgb2ycbcr(RGBimga);
figure;imshow(uint8(yuvima));
yuvimb = rgb2yuv(RGBimgb);
figure;imshow(yuvimb);YUVimg = yuvima;
yuvimout = zeros(1,Hs*Vs*Dim);   %整理数据
yuvimout(1:3:Hs*Vs*Dim) = reshape(YUVimg(:,:,1)',1,Hs*Vs); %%Y
yuvimout(2:3:Hs*Vs*Dim) = reshape(YUVimg(:,:,2)',1,Hs*Vs); %%U
yuvimout(3:3:Hs*Vs*Dim) = reshape(YUVimg(:,:,3)',1,Hs*Vs); %%V
fid= fopen('imga_720p.yuv','wb');   %整理后可快速输出到文件fwrite(fid,yuvimout,'uint8');
fclose(fid);
fid= fopen('imga_720p.txt','w');fprintf(fid,'%02x\n',yuvimout);
fclose(fid);YUVimg = yuvimb;
yuvimout = zeros(1,Hs*Vs*Dim);
yuvimout(1:3:Hs*Vs*Dim) = reshape(YUVimg(:,:,1)',1,Hs*Vs);
yuvimout(2:3:Hs*Vs*Dim) = reshape(YUVimg(:,:,2)',1,Hs*Vs);
yuvimout(3:3:Hs*Vs*Dim) = reshape(YUVimg(:,:,3)',1,Hs*Vs);
fid= fopen('imgb_720p.yuv','wb'); %% 写二进制文件 fwrite(fid,yuvimout,'uint8');
fclose(fid);
fid= fopen('imgb_720p.txt','w');  %% 写txt文件fprintf(fid,'%02x\n',yuvimout);
fclose(fid);