Class	Number of training images		Number of testing images		Number of images correctly classified		Classification accuracy (%)
Class	CNN	PLS	CNN	PLS	CNN	PLS	CNN	PLS
Normal	40	40	55	55	54	52	98.18	96.36
Abnormal (moderate)	40	40	50	50	48	47	96	94
Abnormal (severe)	40	40	55	55	53	51	96.36	92.72
Average classifier accuracy							96.84	94.36