how can I compute two-point correlation function from binary image??

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geonhui Gwak
geonhui Gwak 2016-6-15
回答： Santiago Benito 2021-2-3
I want to make 3D microstructure using stochastic reconstruction from 2D image. To do this, I should know characterization via correlation functions. I do not know how to compute correlation function though I know the theory of correlation function. Please give me an advice!

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回答（2 个）

Jyotish Robin
Jyotish Robin 2016-8-2
It is my understanding that you want to compute the two-point correlation function of a binary image.
The following documentation link will be helpful.
https://in.mathworks.com/matlabcentral/fileexchange/31353-two-point-correlation-function-of-a-finite-2d-lattice
Santiago Benito
Santiago Benito 2021-2-3
I might be a little to late, but here's a function I programmed that is much faster: https://de.mathworks.com/matlabcentral/fileexchange/86852-autocorr2-two-point-autocorrelation
It uses the FFT to do the convolution.

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