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2022-07-04 matlab reads video frames and saves them
2022-07-07 18:55:00 【Ziyun Wudi】
%%
filename = dir('**/*.mp4');
parfor fileIndex = 1:size(filename, 1)
frameFolder = strcat(filename(fileIndex).folder, '\ImageTest');
if ~exist(frameFolder, 'dir')
mkdir(frameFolder);
end
file = strcat(filename(fileIndex).folder, '\',filename(fileIndex).name);
obj = VideoReader(file);
% Number of frames
numFrames = obj.NumFrames;
for k = 1 : numFrames
% Read frame
frame = read(obj, k);
% Show frame image
% imshow(frame);
% Save frame image 0001.jpg, 0002.jpg
imwrite(frame,strcat(frameFolder, '\',sprintf('%04d.jpg',k)),'jpg');
end
end
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