avi转成raw格式matlab代码

clc; clear all; close all; %读取视频； file_name = 'F:\CreateImg\avi\3.avi'; obj = VideoReader(file_name); num_frames = 400;%obj.NumberOfFrames;% 帧的总数 img_width = obj.Width; img_height = obj.Height; % %写图像； % img_result_dir = 'F:\dui kong mo kuai hua\image'; % % %写avi视频； % video_name = 'a.avi'; %表示将要创建的视频文件的名字 % aviobj = VideoWriter(video_name); %创建一个avi视频文件对象，开始时其为空； % aviobj.FrameRate = 25; % open(aviobj); %写raw视频； image_new_dir = 'F:\CreateImg\raw\3.raw'; % 图像目录； fp2 = fopen(image_new_dir, 'w'); img_new = zeros(288,720); for k = 1 : num_frames img = read(obj, k); if(size(img, 3)>1) img = rgb2gray(img); end img_new = imresize(img, [288, 720]); for i =1:288 for j = 1:15 img_new(i,j) = img_new(i,19); end end for i = 1:288 for j = 710:720 img_new(i,j) = img_new(i,705); end end for i =1:5 for j = 1:720 img_new(i,j) = img_new(7,j); end end for i = 283:288 for j = 1:720 img_new(i,j) = img_new(280,j); end end img_new = uint8(img_new); %figure(1), imshow(img);%显示帧 figure(1), imshow(img_new, [0, 255]);%显示帧 %保存图像； %img_result_name = strcat(img_result_dir, num2str(k), '.jpg'); %imwrite(img_new, img_result_name, 'jpg');% 保存帧 %保存avi视频； %img_result = getframe; %writeVideo(aviobj, img_result.cdata); %保存raw视频； fwrite(fp2, img_new', 'uint8'); disp(k); end % close(aviobj);% 关闭创建视频； fclose(fp2); disp('end');