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Replace circularity with sphericity #6
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Above is just eq for sphericity, top line is surface area of sphere of similar volume (V=v of ellpsoid of l,w,d) over surface area of ellipsoid l,w,d. This would also be nice as it ignores rotation of grain. |
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microCT_grain_analyser/MATLAB/countGrain.m
Line 100 in d1bf5a0
I don't have matlab currently or data to test, but something like
would give a value where grains are approximated to ellipsoids based on their length, width depth. (l,w,d would need to be halved to be their abc lengths).
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