Matlab实现将图像序列合并为视频的方法详解

videoname='VBRPCA_qj';                           % 待生成的视频文件名
myfilepath='C:\Users\xiaomao\Desktop\ys_hb\'     % 待合成的图片存放路径，需根据实际修改
 
WriterObj = VideoWriter([videoname,'.avi']);    % 设置待合成的视频(不仅限于avi格式)名称
WriterObj.FrameRate = 10;                       % 设置每秒帧数
open(WriterObj);
filepath = dir([myfilepath,'*.jpg']);           % 获取路径myfilepath文件夹中所有png的文件结构体
 
for k = 1:length(filepath)
    frame=imread([filepath(k).folder,'\', strcat(num2str(k-1), '.jpg')]); % 遍历读取图像，放在变量frame中
    writeVideo(WriterObj,frame); % 将frame放到变量WriterObj中
end
 
close(WriterObj);
fprintf([videoname,'.avi','制作成功\n'])

videoname='VBRPCA_qj';                          % 待生成的视频文件名
myfilepath='D:\test\'                           % 待合成的图片存放路径，需根据实际修改
 
WriterObj = VideoWriter([videoname,'.avi']);    % 设置待合成的视频(不仅限于avi格式)名称
WriterObj.FrameRate = 10;                       % 设置每秒帧数
open(WriterObj);
filepath = dir([myfilepath,'*.png']);           % 获取路径myfilepath文件夹中所有png的文件结构体
 
for k = 1:length(filepath)
    frame=imread([filepath(k).folder,'\',filepath(k).name]); % 遍历读取图像，放在变量frame中
    writeVideo(WriterObj,frame); % 将frame放到变量WriterObj中
end
 
close(WriterObj);
fprintf([videoname,'.avi','制作成功\n'])

photos   = cell(3,1);
photos{1} = imread('image1.png');
photos{2} = imread('image2.png');
photos{3} = imread('image3.png');
 
% 创建每秒1帧的视频文件
videofile = VideoWriter('output.mp4','MPEG-4');
videofile.FrameRate = 1;
 
% 设置每个图像的秒数
secperImg = [2 3 4];
 
% 打开视频文件
open(videofile);
% 将帧写入视频
for i=1:length(photos)
    % convert the image to a frame
    frame = im2frame(photos{i});
    for v=1:secperImg(i) 
        writeVideo(videofile, frame);
    end
end
% 关闭视频文件
close(videofile);

fileName = 'MVI_1264_clip.avi\';
obj = VideoReader(fileName);
numFrames = obj.NumberOfFrames;% 帧的总数
for k = 1 : numFrames% 读取数据
    frame = read(obj,k);
    imshow(frame);%显示帧
    imwrite(frame,strcat(num2str(k),\'.jpg\'),\'jpg\');% 保存帧
end