MATLAB将视频文件转成图片

MATLAB将视频文件转成图片

clc, clear, close all
filePath = 'D:\**';
savePath = 'D:\***\';
video = VideoReader(filePath);
frame_number = floor(video.Duration*video.FrameRate);

for i = 1: frame_number
    image_name = strcat('echo4_', num2str(i));
    image_name = strcat(image_name, '.jpg');
    I = read(video, i);
    imwrite(I, [savePath, image_name]);
    I = [];
end