How to find the centroid and the moment of inertia of a picture?

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Neil Lallkissoon
Neil Lallkissoon el 14 de Sept. de 2016
Comentada: Neil Lallkissoon el 30 de Sept. de 2016

Hello, I'm not very good at using Matlab and my professor gave the class this problem. I'm hoping someone could help me out. Thank you.

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Walter Roberson
Walter Roberson el 14 de Sept. de 2016
You cannot calculate the centroid of that with the information given. Centroid is center of mass, but you do not know how the density varies. Considering it is x-rays you could probably infer some relationship between pixel brightness and density, but what relationship? Is it a linear relationship?
If you knew the mass corresponding to each pixel, you could calculate center of mass

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