Object Tracking with RFID

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  • Yamada Kou
    Graduate School of Information Science and Electrical Engineering, Kyushu University
  • Uchida Seiichi
    Faculty of Information Science and Electrical Engineering, Kyushu University
  • Taniguchi Rin-ichiro
    Faculty of Information Science and Electrical Engineering, Kyushu University

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Other Title
  • RFIDを援用した映像中の人物追跡
  • RFID オ エンヨウ シタ エイゾウ チュウ ノ ジンブツ ツイセキ

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Abstract

This paper reports a new method for visual tracking of humans using active RFID technology. Previous studies were based on the assumption that the radio intensity from an RFID tag will be linearly proportional to the distance between the tag and the antenna or will remain unchanged; however, in reality, the intensity fluctuates significantly and changes drastically with a small change in the environment. The proposed method helps to overcome this problem by using only accurate binary information that reveals whether the target person is close to the antenna. Several experimental results have shown that the information from the RFID tag was useful for reliable tracking of humans.

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