What is Error occupy for pixellabeldatastore code is following. ?

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for 3 D volumetric mri brain tumor image and file extension is nii. with my matlab code as following
classNames = ["background","tumor"];
pixelLabelID = [0 1];
pxds = pixelLabelDatastore(im ,classNames,pixelLabelID, ...
'FileExtensions','.nii','ReadFcn',volReader);
Error using pixelLabelDatastore>parseInputs (line 202)
'FileExtensions' is not a recognized parameter. For a list of valid name-value pair arguments,
see the documentation for this function.
Error in pixelLabelDatastore (line 151)
[location, classes, values,params] = parseInputs(varargin{:});
Error in SEp1 (line 27)
pxds = pixelLabelDatastore(im,classNames,pixelLabelID, ...

Accepted Answer

Walter Roberson
Walter Roberson on 8 Sep 2020
You did not indicate your MATLAB release.
The FileExtensions option was not available in some earlier releases. My memory is saying that it was added in one of the 2019 releases.

More Answers (1)

hla hla myint
hla hla myint on 8 Sep 2020
I create this function using matlab 2018b. Dataset is Brats 2016 and 2017 3 D volumetric brain tumor.
  1 Comment
Walter Roberson
Walter Roberson on 8 Sep 2020
You will need to add the complete list of file names instead of a directory name.
dinfo = dir( fullfile(im, '**, '*.nii'));
filenames = fullfile( {dinfo.folder}, {dinfo.name} ) ;

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