How to apply noise reduction filter to my DICOM image series

Question

Ahmad Alenezi 2019-9-9

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https://ww2.mathworks.cn/matlabcentral/answers/479573-how-to-apply-noise-reduction-filter-to-my-dicom-image-series

评论： Muhammad Kamran 2021-7-25

HI all

I am trying to apply noise reduction filter to my DICOM image series (n = 16). let's suppose my image name is (MM.dcm). Can any one help me on how to do this ?

Note that i was recieving this massege every time i want to apply Wiener2 filter:

WIENER2 does not support 3D truecolor images as an input.

The code i used is below:

imvol = dicomread(MM.dcm);
imvol = squeeze(imvol);
imvol = wiener2(imvol,[5 5]);

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Answer 1

Kritika Bansal 2019-9-13

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https://ww2.mathworks.cn/matlabcentral/answers/479573-how-to-apply-noise-reduction-filter-to-my-dicom-image-series#answer_391666

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You can possibly apply the 2D Wiener filter on each channel of your 3D DICOM image and see how it works. Probably, something like this may work:

x = wiener2(imvol(:,:,1), [5 5]);
y = wiener2(imvol(:,:,2), [5 5]);
z = wiener2(imvol(:,:,3), [5 5]);
Inew(:,:,1) = x;
Inew(:,:,2) = y;
Inew(:,:,3) = z;