combine the string and number

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weam on 2 Feb 2023
Commented: weam on 6 Feb 2023
hello, I have the coordinates of objects in the image and the path of the image and I want to combine all these in the cell array
trainingData = combine(bldsTrainT,bldsTrainW); % this function to combine
when adding the path of the image, display the error
how can instead this function with others to accept the path

Accepted Answer

Walter Roberson
Walter Roberson on 2 Feb 2023
Are you referring to combine for augmented image data store?
If so then each element you combine, such as bldsTrainT, must be a data store, not a path itself. You would imageDatastore to wrap the path into an image data store and combine.
weam on 6 Feb 2023
Thank you so much

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More Answers (1)

Rylan on 2 Feb 2023
Edited: Rylan on 2 Feb 2023
Hi, I wanted to second Walter's answer which will work best if you want to read the filenames as image data.
However if you do really want the raw filenames in the CombinedDatastore, you can use ArrayDatastore to wrap the filenames before calling combine:
filenames = {'file1.png' 'file2.png'}';
filenameDs = arrayDatastore(filenames, OutputType="same");
trainingData = combine(bldsTrainT,bldsTrainW, filenameDs);
% Or use "transform" to get more control over the combination method
trainingData = transform(bldsTrainT, bldsTrainW, filenameDs, ...
@(trainT, trainW, filename) {trainT trainW filename});
Is this what you're looking for?

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