Table 1.

CNN structures used in classifier model optimization. For each structure, the presence of a layer is marked by ✓.

	# filters	Five-layer	Six-layer	Seven-layer	Eight-layer
Conv	32	✓	✓	✓	✓
Pooling	—	✓	✓	✓	✓
LRN	—	✓	✓	✓	✓
Conv	64	✓	✓	✓	✓
Pooling	—	✓	✓	✓	✓
LRN	—	✓	✓	✓	✓
Conv	128	✓	✓	✓	✓
Conv	128				✓
Pooling	—		✓	✓	✓
LRN	—		✓	✓	✓
Conv	256		✓	✓	✓
Conv	128			✓	✓
Pooling	—	✓	✓	✓	✓