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

Figure 11

Comparison of recognition results with different methods: (a) squatting; (b) lying on a bed then standing; (c) backward fall ending lying; (d) leftward fall ending lying; (e) forward fall ending on the knees; (f) stumbling without fall.

(a)

(b)

(c)

(d)

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(f)