Noise Reduction on Nasal Skin Temperature Measured by Radiation Thermometer with Differential Revision Filtering

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  • Mizuno Tota
    National Institute of ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY(AIST)
  • Nozawa Akio
    Faculty of Science and Engineering, Meisei University
  • Ide Hideto
    Faculty of Science and Engineering, Aoyama Gakuin University

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  • 放射温度計による鼻部表面温度の微分補正フィルタリングによるノイズ成分の除去
  • ホウシャ オンドケイ ニ ヨル ビブ ヒョウメン オンド ノ ビブン ホセイ フィルタリング ニ ヨル ノイズ セイブン ノ ジョキョ

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This paper shows noise reduction on nasal skin temperature measured by a radiation thermometer with differential revision filtering. We evaluated and examined emotion stress from the nasal skin temperature fluctuation of the space-time with the radiation thermometer. The measured data with the radiation thermometer consists of three kind of factor, because of one point [24±3φ/m] measurement system. Three kinds of factors are temperature fluctuation dependent feelings stress, noise of the radiation thermometer and the other parts which it should measure as the subject moves. We make threshold processing on a change of an area in time of a measurement signal provided in a radiation thermometer. We suggested Differential Revision Filtering (DRF) that a new method use a measurement value of change of one second and a low pass filter go through. By using this method, we got the possibility that decrease movement of a measurement and a noise of measurement device.

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