Smoothing 2D matrix

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Taindra Neupane
Taindra Neupane 2020-7-21
回答： waqas 2020-7-21
Hi,
I have a 2D matrix data as shown in surf plot below. It has lots spikes or noise even after 2dinterpolation.But I want to smooth it and I could not find any funtion/code to make it smoother. I am looking forward to your comments as soon as possible. Thanks.

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回答（1 个）

waqas
waqas 2020-7-21
May be using this would work:
Where A is 2D matrix and FilterSize can be changed to control smoothenig you want.
imgaussfilt(A,'FilterSize',3);
Other option can be to use fspecial function.

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