Applying Gaussian 3D filter to 32 bit float 3D Micro-CT image
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Hi All,
I have a Micro-CT data file to process it through Matlab as shown in below. My array is a 3D array and it is 32 bit float. but gaussian filters which are introduced in mathworks are not supported to float data type
fid = fopen('E:\RE\re_C_7mm_6um_1d42s_01\re_C_7mm_6um_1d42s.vol');
voxels = fread(fid, '*float32'); %read as 32 bit float. I'm assuming they are 32 bit float(CT data)
fclose(fid);
voxels = reshape(voxels,[1920,1920,1536]);
d=imbinarize(voxels,95); % Thresholding the volume
d1=imgaussfilt3(d) % This lines gives me an error that it supports only for uint,int, single or double.check the error
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/376956/image.png)
What I should do to filter my 3D array using the gausfilt3 command? Appreciate your valuable advices. I want to remove the P(see the attached image)with or without gausfilt3.Appreciate your valuable adivces!
Error is shown below. A is the file for the filtering. If you check the gaussfilt3 command in mathworks A is defined. it is not my own name.
Error using imgaussfilt3
Expected A to be one of these types:
uint8, uint16, uint32, int8, int16, int32, single, double
Instead its type was logical.
Error in imgaussfilt3>parseInputs (line 285)
validateattributes(A, supportedClasses, supportedImageAttributes, mfilename, 'A');
Error in imgaussfilt3 (line 116)
[A, options] = parseInputs(args{:});
Error in volreading (line 55)
d1=imgaussfilt3(d)
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