How can i make classification using Multilayer Perceptron (MLP) using matlab code on galaxy image ?

please help ..

i want to make classification using Multilayer Perceptron (MLP) (ANNs based classifiers) using matlab code on galaxy image .

to evaluate performance of ANN By useing:

mean-square-error (MSE}

normalized mean-square error (NMSE)

correlation coefficient (r)

error percentage (%error