Abnormal Gait Behavior Detection for Elderly Based on Enhanced Wigner-Ville Analysis and Cloud Incremental SVM Learning

Table 3

Comparison results of different methods for activities classification.

Experiment	BPNN [12]	Method [34]	Method [35]	Method [36]	Method [37]	Our method
Walking	95.0%	92.2%	90.0%	99.9%	94.2%	100%
Sitting	91.6%	90.2%	96.7%	90.6%	91.7%	98.6%
Lying	90.0%	98.4%	74.1%	83.3%	—	96.7%
Falling	86.6%	—	95.5%	87.5%	—	95.9%
Squatting	—	—	—	—	—	98.3%
Stumbling	—	—	—	—	—	96.2%
Syncope	—	—	—	—	—	96.6%
Average	90.8%	93.6%	89.1%	90.3%	92.9%	97.4%