MATLAB: Classification of images through Artificial Neural network

Question

After extracting features from an image,when i try to classify the images using ANN tool in MATLAB,i see i need to import an image database of extension ".mat". I have many images in different folders which i need to classify.And i could not create a .mat file from the images which suits the ANN tool available in MATLAB. I can't understand how to create .mat image database file from these images?need help.Plz.

Answer 1

Just save all your features in whatever variable the ANN wants. Let's say it's called featureVector. Then save it:

save(filename, 'featureVector');