How can I randomly extract 3D patches (mmm) from a 3-dimensional image?

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Tolentee il 24 Feb 2016

Commentato: Tolentee il 26 Feb 2016

I implemented a 2D patch extraction from 2D image but could not get it working for 3D.

However I need a random extraction of 3D patches from a 3D image.

Jos (10584) il 25 Feb 2016

Modificato: Jos (10584) il 25 Feb 2016

How is your 3D image stored?

Tolentee il 26 Feb 2016

It is a medical data (3D volume) which I store as a matrix, [row*cols*depth]

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How can I randomly extract 3D patches (m*m*m) from a 3-dimensional image?