Fingerspelling Identification for Chinese Sign Language via AlexNet-Based Transfer Learning and Adam Optimizer

Table 6

Comparison of different transfer learning configurations.

Run	Configuration
	M1 (ours)	M2	M3	M4
1	91.48	88.52	87.78	86.67
2	89.26	88.89	88.89	86.30
3	89.26	88.52	89.63	86.67
4	87.78	88.89	89.26	85.56
5	89.26	88.15	89.63	86.67
6	90.00	90.37	88.15	88.89
7	89.26	89.26	87.41	87.41
8	87.78	87.78	87.78	86.30
9	90.00	89.26	89.63	86.30
10	90.74	89.63	87.78	87.78
Mean ± SD	89.48 ± 1.16	88.93 ± 0.75	88.59 ± 0.90	86.85 ± 0.94