How to add cell array elements iteratively?

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Hassan Ashraf
Hassan Ashraf 2019년 4월 27일
댓글: Hassan Ashraf 2019년 4월 27일
I have a cell array of 36 elements and each element is a image of 25x256 unit8 dimension. I want to add all these elements iteratively. I am able to do so by adding one by one but unable to add them in a loop. I am getting the error shown in below picture.111.png

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Geoff Hayes
Geoff Hayes 2019년 4월 27일
Hassan - first, please rename the sum variable since there is a built-in MATLAB function of the same name. If you want to add all of these matrices together (assuming that all are 25x256) then just do
compositeImage = im{1};
for k=2:length(im)
compositeImage = compositeImage + im{k};
In your code, you are getting an error because you should be referencing im instead of sum when adding the kth image...since it is im that is the cell array.
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Hassan Ashraf
Hassan Ashraf 2019년 4월 27일
Thank you Geoff Hayes.

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