Error loading images programmatically in Medical Image Labeler
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I'm trying to upload a series of nifti images in a new session of Medical Image Labeler. I created a groundTruthMedical object copying the structure of the groundTruthMedical object that the app generate when a new session is started.
I reported here an example of what I did:
dataFolder = "D:\documents\datasets\";
filePath1 = fullfile(dataFolder,"image1.nii.gz");
filePath2 = fullfile(dataFolder,"image2.nii.gz");
source = {filePath1; filePath2};
dataSource = medical.labeler.loading.VolumeSource(source);
labelData = strings(size(source,1),1); % empty string array of size 2x1
variableNames = {'Name', 'LabelColor', 'PixelLabelID'};
variableTypes = {'string','double','uint8'};
labelDef = table('Size',[0,3],'VariableTypes',variableTypes,'VariableNames',variableNames); % empty table of size 0x3
gTruth = groundTruthMedical(dataSource,labelDef,labelData);
% opens the app and loads the image and label data stored in gTruth
medicalImageLabeler(gTruth)
I have no labelled data because I want to manually segment the images, this is because I created labelData and labelDef as "empty variables".
Medical Image Labeler opens and load the images but an error occurs every time. The error says: "The VariableNames property must contain one name for each variable in the table."
I am pretty sure that the table I created contains one name for each variable, becuse therea are three columns, corresponding to the variables and there are three elements in the variableNames cell.
I don't know how to solve this problem. Is there anyone that faced the same issue and have found a solution?
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Cris LaPierre
2024-4-14
1 个投票
This appears to be a bug that occurs when your LabelDefinitions table is empty. I was able to duplicate the error using the gTruthMed object created by a labeling session that did not hae any labels defined.
I will report this internally. In the mean time, you can hit 'OK' on the popup and continue using the app.
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