读取视频，并逐帧按序保存保存成图片

%% This script can zoom video without scale limit, the video format include .mp4/.mkv/.avi
% FileName : video_resize.m   
% Author : QJX
% Version : 1.0 
% Time : 2020.07.30
clc
clear
mov = VideoReader("raw_video.mp4"); % read the video
% implay("raw_video.mp4"); % play the video
mov_frames = mov.NumberOfFrames;    % get frames of video
video_height = mov.Height;  % get the height and width of video
video_width = mov.Width;

for k = 1:mov_frames   % read the frame of video and save
    im = read(mov,k);
    imwrite(im,['original_frame',num2str(k),'.bmp'],'bmp');
end

1 读取视频文件
2 音频和视频