Table 3.

Effect of color image as input and random forest on false-positive reduction performance.

Sensitivity	0.95 (12 FN)	0.90 (23 FN)	0.85 (36 FN)	0.80 (48FN)	0.75 (60FN)
Multi-scale CNN
GF	600	239	133	76	56
Color + GF	384	241	155	109	76
Random forest with multi-scale CNN + hand-crafted features
GF	495	241	120	81	56
Color + GF	345	178	119	89	76

The number of FP candidates at different sensitivities in the range of 0.75–0.95 are compared.