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How to find the sum of each element of a matrix?

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peyush
peyush 2015-6-28
评论： peyush 2015-6-28
I have a binary image with some pixel values 1 and rest 0...I want to find out the sum of all the pixel values in the image...can any one help?

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dpb
dpb 2015-6-28
If x is the array,
xsum=sum(x(:)); % ":" is a Matlab idiom that returns all elements in a column vector
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Image Analyst
Image Analyst 2015-6-28
That will work regardless of how many dimensions x has. By the way, a matrix is an array.

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