摘要
Human body posture recognition has attracted considerable attention in recent years in wireless body area networks(WBAN). In order to precisely recognize human body posture,many recognition algorithms have been proposed.However, the recognition rate is relatively low. In this paper, we apply back propagation(BP) neural network as a classifier to recognizing human body posture, where signals are collected from VG350 acceleration sensor and a posture signal collection system based on WBAN is designed. Human body signal vector magnitude(SVM) and tri-axial acceleration sensor data are used to describe the human body postures. We are able to recognize 4postures: Walk, Run, Squat and Sit. Our posture recognition rate is up to 91.67%. Furthermore, we find an implied relationship between hidden layer neurons and the posture recognition rate. The proposed human body posture recognition algorithm lays the foundation for the subsequent applications.
Human body posture recognition has attracted considerable attention in recent years in wireless body area networks （WBAN）. In or- der to precisely recognize human body posture, many recognition algorithms have been proposed. However, the recognition rate is relatively low. In this paper, we apply back propagation （BP） neural network as a classifier to recognizing human body posture, where signals are collected from VG350 acceleration sensor and a posture signal collec- tion system based on WBAN is designed. Human body signal vector magnitude （SVM） and tri-axial acceleration sensor data are used to describe the human body postures. We are able to recognize 4 postures： Walk, Run, Squat and Sit. Our posture recognition rate is up to 91.67%. Furthermore, we find an implied relationship between hidden layer neurons and the posture recognition rate. The proposed human body posture recognition algorithm lays the foundation for the subsequent applications.
基金
supported by the National Natural Science Foundation of China(No.61074165 and No.61273064)
Jilin Provincial Science&Technology Department Key Scientific and Technological Project(No.20140204034GX)
Jilin Province Development and Reform Commission Project(No.2015Y043)
