顾及伪步态影响的行人航迹推算方法Pedestrian track estimation method considering the influence of false gait
陶晓晓,卢小平,路泽忠,周雨石,王舜瑶
摘要(Abstract):
针对行人航迹推算(PDR)误差会随时间累积,导致行人步行不规律所导致的伪步态,影响到步数测量的准确度问题,该文对基于移动智能终端内置加速度计的步态检测算法进行改进,提出一种顾及伪步态影响的算法模型,通过将行人行走时加速度的幅值、相似性、连续性作为3个约束条件,并设置合理的阈值剔除行人步行的伪步态,提高了手机测量步数的准确度。通过与小米运动手环、微信运动、悦动圈等主流商业软件的计步准确度进行对比,同时对行人的航迹推算准确度进行检测,结果表明本文算法具有较好的鲁棒性。
关键词(KeyWords): 航迹推算;伪步态;加速度计;步数测量;鲁棒性
基金项目(Foundation): 2016年国家重点研发计划项目(2016YFC0803103);; 河南省高校创新团队支持计划项目(14IRTSTHN026);; 河南省创新型科技创新团队支持计划项目
作者(Author): 陶晓晓,卢小平,路泽忠,周雨石,王舜瑶
DOI: 10.16251/j.cnki.1009-2307.2020.09.007
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