Dear Stéfan

Thank you so much for your kind response to my question.

I have collected the following references about GLDV. It is mentioned that GLDV is the the sum of the diagonals of the GLCM.

http://www.fp.ucalgary.ca/mhallbey/gldv.htm

http://www.matdat.life.ku.dk/ia/sessions/session8-4up.pdf

https://workspace.imperial.ac.uk/imagingfacility/public/DefiniensReferenceBook.pdf

Look forward to finding GLDV on scikit-image.

Artur

On Tue, Oct 28, 2014 at 11:46 PM, Stefan van der Walt <stefan@sun.ac.za> wrote:
Dear Artur

On 2014-10-25 12:19:06, Artur Bercik <vbubbly21@gmail.com> wrote:
> It is so nice to find The Gray Level Co-occurrence Matrix (GLCM) in
> scikit-image.
> http://scikit-image.org/docs/dev/auto_examples/plot_glcm.html

There was quite a bit of discussion around this functionality.

https://github.com/scikit-image/scikit-image/issues/863
https://github.com/scikit-image/scikit-image/pull/914
https://github.com/scikit-image/scikit-image/pull/935
https://github.com/scikit-image/scikit-image/issues/899

One of the suggestions was that we rather specify offset than angle +
distance.  Since you are currently using the API, what is your feeling
around that?

> However, I am interested in using The Gray Level Difference Vector (GLDV).
> Is not it available in scikit-image?
> Can someone guide me how to calculate it?

I'd be happy to help you implement GLDV computation, if you want.  Do
you have a good reference at hand?

Stéfan

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