Table 6.

Comparison of per-segment detection results using different numbers of spatio-temporal blocks.

# Spatio-temporal blocks	Accuracy (%)	Recall (%)	Specificity (%)	Precision (%)	F1 score
1	89.40 ± 0.4486	84.69 ± 1.867	92.32 ± 1.135	87.30 ± 1.509	85.95 ± 0.6510
2	91.08 ± 0.2314	87.70 ± 1.449	93.19 ± 0.9452	88.92 ± 1.262	88.28 ± 0.3309
3	91.22 ± 0.2098	86.48 ± 1.360	94.16 ± 0.9404	90.23 ± 1.316	88.30 ± 0.2833
4	91.26 ± 0.1953	85.77 ± 1.588	94.67 ± 0.8665	90.94 ± 1.243	88.26 ± 0.3714
5	90.92 ± 0.1502	87.59 ± 1.222	92.99 ± 0.7195	88.60 ± 0.9142	88.08 ± 0.2603