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Real-time and contactless measurements of thermal discomfort based on human poses for energy efficient control of buildings

机译:基于人体姿势的实时和非接触式热不适感测量,用于建筑物的节能控制

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摘要

Individual thermal discomfort perception gives important feedback signals for energy efficient control of building heating, ventilation and air conditioning systems. However, there is few effective method to measure thermal discomfort status of occupants in a real-time and contactless way. A novel method based on contactless measurements of human thermal discomfort status was presented. Images of occupant poses, which are related to thermoregulation mechanisms, were captured by a digital camera and the corresponding 2D coordinates were obtained. These poses were converted into skeletal configurations. An algorithm was developed to recognize different poses related to thermal discomfort, such as hugging oneself or wiping sweat off the brow. The algorithm could recognize twelve thermal discomfort related human poses. These poses were derived from a questionnaire survey of 369 human subjects. Some other human subjects participated in the validation experiments of the proposed method. All twelve thermal discomfort related poses can be recognized effectively.
机译:个体的热不适感会提供重要的反馈信号,以有效控制建筑物的供暖,通风和空调系统。但是,很少有有效的方法可以实时,无接触地测量乘员的热不适状态。提出了一种基于非接触式人体热不适状态测量的新方法。通过数码相机捕获与温度调节机制相关的乘员姿势图像,并获得相应的2D坐标。这些姿势被转换成骨骼形态。开发了一种算法来识别与热不适相关的不同姿势,例如拥抱自己或擦去额头上的汗水。该算法可以识别十二种与热不适相关的人体姿势。这些姿势来自对369位受试者的问卷调查。其他一些人类受试者参加了该方法的验证实验。所有十二种与热不适相关的姿势都可以有效识别。

著录项

  • 来源
    《Building and Environment》 |2019年第9期|106284.1-106284.10|共10页
  • 作者单位

    Xian Univ Architecture & Technol Sch Bldg Serv Sci & Engn Xian 710055 Shaanxi Peoples R China|Umea Univ Dept Appl Phys & Elect S-90187 Umea Sweden;

    Nanjing Univ Posts & Telecommun Coll Telecommun & Informat Engn Nanjing 210003 Jiangsu Peoples R China|Swiss Fed Inst Technol Comp Vis Lab CH-8092 Zurich Switzerland|Royal Inst Technol Sch Elect Engn & Comp Sci S-10044 Stockholm Sweden;

    Swiss Fed Inst Technol Comp Vis Lab CH-8092 Zurich Switzerland;

    Umea Univ Dept Appl Phys & Elect S-90187 Umea Sweden;

    Royal Inst Technol Sch Elect Engn & Comp Sci S-10044 Stockholm Sweden;

    Univ Calif Davis Energy & Efficiency Inst Davis CA 95616 USA;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Contactless measurement; Thermal discomfort; Human pose; Machine learning;

    机译:非接触式测量;热不适;人体姿势;机器学习;

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