I want to set binary categories to sub-folder names, which will become class labels

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Ignacio Acevedo 2021-3-10

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https://ww2.mathworks.cn/matlabcentral/answers/768927-i-want-to-set-binary-categories-to-sub-folder-names-which-will-become-class-labels

回答： Asvin Kumar 2021-3-16

Just as explained in the title, i want to set binary categories to sub-folders which will become class labels for a deep learning application, but i am struggling to find the correct syntax to move forward with this step.

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Jan 2021-3-11

I do not understand, what you are asking for. What do you call a "binary category"? Can you give an example?

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Answer 1

Asvin Kumar 2021-3-16

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I assume you are working with image datastores and you're looking to create a dataset with images belong to two classes.

imageDatastore has a Name-Value pair called 'LabelSource'. When this property is set to 'FolderNames', all the images belonging to a a sub-folder will derive their labels from the folder name.

Since you can't have multiple sub-folders with the same name, you would have to organise all your data into two folders representing your two categories and then use the 'LabelSource' N-V pair with imageDatastore. Here's an example you might find helpful: Create ImageDatastore object