Table 3.

Accuracy improved by Fisher criterion (the best results are marked in bold).

Test Images	Methods	Acc (%)	Recall	Precision
No. 1	CNN	99.27	49.74	81.68
	Fisher-based CNN	99.29	53.83	80.20
No. 2	CNN	98.34	31.51	91.05
	Fisher-based CNN	98.40	35.47	88.90
No. 3	CNN	96.84	5.79	76.92
	Fisher-based CNN	97.02	12.79	83.33
No. 4	CNN	99.37	2.88	22.22
	Fisher-based CNN	99.69	5.74	34.78
No. 5	CNN	99.01	93.10	72.66
	Fisher-based CNN	99.05	93.23	73.40