How to build gradient magnitude-orientation histogram?

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Ganesh on 13 Jan 2012

We are trying to extract shape features.

Walter Roberson on 13 Jan 2012

Perhaps Bala has some ideas; http://www.mathworks.com/matlabcentral/answers/25768-building-types-of-histograms

Ganesh on 19 Jan 2012

could u give me some hints about how to create the spatial correlogram of an image? Has anyone used it for image and got it successfully?

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