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家庭智能空间下基于HMM的人轨迹分析方法*

DOI: 10.16451/j.cnki.issn1003-6059.201506009, PP. 542-549

Keywords: 智能空间,隐马尔可夫模型(HMM),行为识别,轨迹分割

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Abstract:

对人行为的感知和预推理是家庭智能空间技术的关键环节.文中提出一种基于隐马尔可夫模型(HMM)的人轨迹分析方法.该方法首先将平面空间离散化为“瓷砖格”,离线对各预设轨迹建立HMM模型.然后针对在线分析,提出一种类似滑动窗口的轨迹分割方案,该方案能实时有效地分割轨迹段,并适时激发轨迹匹配进程.最后智能空间依据匹配结果做出轨迹预测.实验表明,文中方法能有效预测人的轨迹,且满足实时性要求,有助于智能空间更好进行决策.

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