Error using movie command in Matlab
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I generated multiple images which I converted into frames with im2frame in order to create a movie. I used this code:
for i = 10:20
images = sprintf('img%d.jpg',i);
ImageData = imread(images);
M(i) = im2frame(ImageData);
end
movie(M)
movie2avi(M,'sonar.avi','compression','None','fps',5,'quality',100)
When I run it, I get the following error:
Error using hgMovie
Movie contains uninitialized frames
Error in movie (line 41)
builtin('hgMovie',varargin{:});
Error in open83B_edited_2 (line 324)
movie(M)
Does anyone have a clue what might be wrong with my code? Thank you!
采纳的回答
Geoff Hayes
2014-5-8
Hi Adrian,
I was able to reproduce the same issue with your above code. The problem is how the M array is being updated. The for loop iterates from 10 to 20 and the code uses these iteration values to assign the frame to the array. This means that M becomes an array of 20 frames, with the first nine not initialized - hence the error.
You can try the following instead:
% use this index into M
idxInM = 1;
for i = 10:20
images = sprintf('img%d.jpg',i);
ImageData = imread(images);
M(idxInM) = im2frame(ImageData);
idxInM = idxInM + 1;
end
Or any other mechanism that allows you to control how M is updated at each iteration.
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