Training options configuration:
options = trainingOptions('rmsprop', ...
'MiniBatchSize',80, ...
'MaxEpochs',1, ...
'InitialLearnRate',1e-1, ...
'ValidationData',augimdsValidation, ...
'ValidationFrequency',1, ...
'ValidationPatience',Inf, ...
'Verbose',false, ...
'Plots','training-progress');
How to improve accuracy?