How to calculate the mean and standard deviation of the 27 neighbourhood of a voxel in a 3D matrix?

25 Apr. 2017
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Hello everybody!
I have a matrix 336*336*65. I want to create two new matrices of the same size, one representing the mean value of the 27-neighboor of each voxel and another one representing the standard deviation for the same neighbors.
Can anyone help me?

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Image Analyst
Image Analyst am 25 Apr. 2017

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Use convn() and stdfilt().
kernel = ones(3,3,3);
out = convn(inputImage, kernel, 'same')

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