I want to calculate Gaussian and mean curvatures of some real surface which is from some RGB-D camera like Kinect. So there is no a expression of this real surface. How to calculate the Gaussian and mean curvatures of it? A paper said using 3x3 B-Spline surfaces to fit the original surface then calculate it. Can anyone give a detailed example ? or some matlab code?
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I suggest you will give much attention on http://mathematica.stackexchange.com/. – Hoseyn Heydari Dec 16 '13 at 20:38
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You need to tell us more about the form of your data. – bubba Dec 18 '13 at 00:22