combine gTruth LabelData from multiple sessions

Question

jessica chopra 2018-12-18

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/436238-combine-gtruth-labeldata-from-multiple-sessions

回答： Alon Spinner 2021-1-17

Hello,

I have marked images in different sessions and exported the session files. Now in Matlab i want to combine labelData from all the sessions into a single file.

Please help me how to combine LabelData from different sessions into a single file.

Thnks a lot.

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Wembley 2020-6-1

Hi Jessica, did you work ou the cod eto do this? If so can you please post?

Alon Spinner 2021-1-17

Would like to know as-well.

The lack of search on the image labler forced me to split my labeling sessions

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Answer 1

Alon Spinner 2021-1-17

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/436238-combine-gtruth-labeldata-from-multiple-sessions#answer_599645

在 MATLAB Online 中打开

I ran a simple for loop.... of course can be made smarter but this works.

forgive me for typing errors. I hand typed this example

PhotoshootsDirs=["dir1",...
    "dir2",...
    "dir3"];
LoadData=load(fullfile(LabelingDir,PhotoshootsDirs(1),'gTruth.mat');
gTruth=LoadData.gTruth;
dataSource_array=gTruth,DataSource.Source;
LabelData_array=gTruth.LabelData;
LabelDefinitions=gTruth.LabelDefinitions;
for i=2:length(PhotoshootsDirs)
    LoadData=load(fullfile(LabelingDir,PhotoshootsDirs(i),'gTruth.mat');
    gTruth=LoadData.gTruth;
    dataSource_array=[dataSource_array;gTruth.DataSource.Source];
    LabelData_array=[LabelData_array;gTruth.LabelData];
end
gtSource=groundTruthDataSource(dataSource_array);
gTruth=groundTruth(gtSource,LabelDefinitions,LabelData_array);