How to apply curvature(shape based features) on grayscale images in MATLAB?

I want to extract curvature features(shape based feature) for gray scale images have any source code to apply please send me. Thanks

Answer 1

[Image Analyst]

Extract edges. Skeletonize. Fit lines with splines. Derivative of the spline equations give you the curvature at every point. See demo, and adapt as needed.

[Javaid Iqbal]

Sir how to execute this code for gray scale image data set I want to find curvatures for brain image data set.

Answer 2

[shahzad ahmed]

Try to extract below features

% Mean

% Variance

% Skewness

% Kurtosis

% Energy

% Entropy