gusucode.com > 《MATLAB图像与视频处理实用案例详解》代码 > 《MATLAB图像与视频处理实用案例详解》代码/第 20 章 基于帧间差法进行视频目标检测/SnapImage.m

    function SnapImage()
video_imagesPath = fullfile(pwd, 'snap_images');
if ~exist(video_imagesPath, 'dir')
    mkdir(video_imagesPath);
end

[FileName,PathName,FilterIndex] = uiputfile({'*.jpg;*.tif;*.png;*.gif','All Image Files';...
          '*.*','All Files' },'保存截图',...
          fullfile(pwd, 'snap_images\\temp.jpg'));
if isequal(FileName, 0) || isequal(PathName, 0)
    return;
end
fileStr = fullfile(PathName, FileName);
f = getframe(gcf);
f = frame2im(f);
imwrite(f, fileStr);
msgbox('抓图文件保存成功！', '提示信息');