The assigned pixel name is having error in semnatic segmentation "pixellabeldatastore".

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Sakshi Ahuja
Sakshi Ahuja 2021-6-8
评论： Sakshi Ahuja 2021-6-8
The code i am working upon:
pxDir = fullfile('C:\Users\Admin\Downloads\13521488\Mask');
classNames = ["Background","ground-glass" ];
pixelLabelID = [0 1]
pxds = pixelLabelDatastore(pxDir,classNames,pixelLabelID);
Error displayed:
Error using pixelLabelDatastore>parseInputs (line 265)
The value of 'classNames' is invalid. 'ground-glass' is not a valid class name. Class names must be valid MATLAB variable
names. See ISVARNAME for more details.
Error in pixelLabelDatastore (line 211)
[location, classes, values,params] = parseInputs(varargin{:});
Note- Predefined labels are:
ground-glass (mask value =1), consolidation (=2) and pleural effusion (=3)

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采纳的回答

Image Analyst
Image Analyst 2021-6-8
Evidently it doesn't like the minus sign. Try
classNames = ["Background","GroundGlass"]; % String vector
or
classNames = {'Background', 'GroundGlass'}; % Cell array
  1 个评论
Sakshi Ahuja
Sakshi Ahuja 2021-6-8
Thanks for the help! This resolved my issue but when i am trying to display the label over input image i am not getting the desired output.
imDir = fullfile('C:\Users\Admin\Downloads\13521488\Train_png');
pxDir = fullfile('C:\Users\Admin\Downloads\13521488\Mask_png');
imds = imageDatastore(imDir);
classNames = ["Background","GroundGlass"];
pixelLabelID = [0 1]
pxds = pixelLabelDatastore(pxDir,classNames,pixelLabelID);
I = readimage(imds,1);
C=readimage(pxds,1);
B = labeloverlay(I,C);
imshow(B)

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