how to augment image data only for a specific class?

I have a dataset of three class labeled as '0','1' and '3' stored in folder 'dataset'. The number of sample for the class '0' very less compare to other two class. If I use 'imageDataAugmenter' to augment data, It augments for all classes that doesn't solve my imblance problem.

Can anyone help me to advice any way that I can augment data for only class '0'.

Note: The three class data is in three differnt sub-folder within the main folder 'dataset'.

Answer 1

[Greg Heath]

Separate class 0 and interpolate. If you have a good feel for the data you could extrapolate. However the latter might be tricky.

Hope this helps.

Greg

Answer 2

[Mahmoud Afifi]

You can use a custom function to augment the data of this class before training. You can try this one if the problem is related to natural images: https://www.mathworks.com/matlabcentral/fileexchange/72966-wb-color-augmenter?s_tid=prof_contriblnk