Preimpact Fall Detection for Elderly Based on Fractional Domain

Table 7

The fall prealarming accuracy and lead time of part of the test set.

Motion	Accuracy of data set 1	Lead time of data set 1 ()	Accuracy of data set 2	Lead time of data set 2 ()
Walking-fainting	0.889-0.880	367-433	0.917-0.856	567-500
Walking-slipping	0.845-0.743	333-233	0.880-0.789	433-367
Walking-tripping	0.753-0.688	433-367	0.838-0.668	433-668
Jogging-fainting	0.664-0.930	467-333	0.651-0.846	467-433
Jogging-slipping	0.515-0.874	267-267	0.571-0.920	200-267
Jogging-tripping	0.617-0.807	200-267	0.631-0.719	267-433

Note. The prediction result of KNN algorithm is on the left side, and the prediction result of integrated learning algorithm is on the right side.