Table 2. CNN structures.

Structure	Input Size	Number of layers	First Convolution mask	Other Convolutional masks	Max-Pooling Size	Stride	Pool type in FC	Number of output neurons
CNN-1	224 x 224	18	5 x 5	3 x 3	2 x 2	2	Average	2
CNN-2	224 x 224	22	5 x 5	3 x 3	2 x 2	2	Average	2
CNN-3	224 x 224	28	7 x 7	3 x 3	2 x 2	2	Average	2
CNN-4	224 x 224	32	7 x 7	3 x 3	2 x 2	2	Average	2
CNN-5	224 x 224	40	7 x 7	3 x 3	2 x 2	2	Average	2