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首页> 外文期刊>Sensors Journal, IEEE >Single-Pixel Thermopile Infrared Sensing for People Counting
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Single-Pixel Thermopile Infrared Sensing for People Counting

机译:单像素热电偶联的人数计数

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摘要

People-counting data can be used in building-control systems to improve comfort and in space management applications to optimize building space. In this work, we consider a combi-sensor with a single-pixel thermopile and passive infrared sensor for people counting. We first develop a thermopile signal model for object temperature measurements under multiple people occupancy. We then propose a people counting method based on: cumulative sum (CUSUM) change detection in the object temperature signal, forming a people count estimate using likelihoods of differential mean temperature in detected changes, and decision fusion with an infrared vacancy sensor. The proposed method is evaluated with data generated using the developed signal model as well as experimental data from a cell office/meeting room environment. We obtain an average counting error of 0.11 and 0.19 for 90% of the instants respectively when considering 15 minute windows for simulated and experimental datasets.
机译:人数计数数据可用于构建控制系统,以改善舒适性和空间管理应用,以优化建筑空间。在这项工作中,我们考虑了一个具有单像素热电堆的Combi-Sensor,用于人们计算。我们首先在多人占用率下开发一个热电偶联信号模型,用于对象温度测量。然后,我们提出了一种基于:累积总和(CUSUM)变化检测的人数测量方法,在物体温度信号中,使用检测到的变化中的差分平均温度的可能性,形成人们数量估计,以及用红外空位传感器的决策融合。通过使用开发信号模型的数据以及来自小区办公室/会议室环境的实验数据来评估所提出的方法。在考虑用于模拟和实验数据集的15分钟窗口时,我们分别获得0.11和0.19的平均计数误差。

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