What velue to use for "smooth3(A, 'gaussian', v)?
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John on 11 Oct 2022
Commented: Adam Danz on 17 Oct 2022
When using "smooth3(A, 'gaussian', v), unlike the 'box' method, the value v doesn't seem to take affect. Without v, or 5, or 99 it has the same effect. The 'doc smooth3' doesn't provide real information.
Adam Danz on 11 Oct 2022
Good question @John.
The syntax smooth3(A,'gaussian',V) passes the data A through a gaussian lowpass filter with a default standard deviation of 0.65 (you could specify that in an optional 4th argument). V defines the 3D window size for the filter.
Without seeing your data or the results, I can't explain why various V values produce the same results. If you attach a mat file that contains A and V I could dig deeper.
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