Integrating Sphere Finger-Photoplethysmography: Preliminary Investigation towards Practical Non-Invasive Measurement of Blood Constituents

• Takehiro Yamakoshi ,

  Contributed equally to this work with: Takehiro Yamakoshi, Jihyoung Lee

  * E-mail: yamakoshi@fit.ac.jp

  Affiliation Department of Information and Systems Engineering, Faculty of Information Engineering, Fukuoka Institute of Technology, 3-30-1 Wajiro-higashi Higashi-ku, Fukuoka-shi, Fukuoka, 811–0295, Japan

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• Jihyoung Lee ,

  Contributed equally to this work with: Takehiro Yamakoshi, Jihyoung Lee

  Affiliation Department of Information and Systems Engineering, Faculty of Information Engineering, Fukuoka Institute of Technology, 3-30-1 Wajiro-higashi Higashi-ku, Fukuoka-shi, Fukuoka, 811–0295, Japan

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• Kenta Matsumura,

  Affiliation Division of Bioengineering and Bioinformatics, Graduate School of Information Science and Technology, Hokkaido University, Kita 14 Nishi 9, Kita-ku, Sapporo-shi, Hokkaido, 060–0814, Japan

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• Yasuhiro Yamakoshi,

  Affiliation Division of Bioengineering and Bioinformatics, Graduate School of Information Science and Technology, Hokkaido University, Kita 14 Nishi 9, Kita-ku, Sapporo-shi, Hokkaido, 060–0814, Japan

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• Peter Rolfe ,

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Automatic Measurement and Control, Harbin Institute of Technology, 92 West Dazhi Street, Nan Gang District, Harbin, 150001, China

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• Daiki Kiyohara ,

  ¶‡ These authors also contributed equally to this work.

  Affiliation Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa-shi, Ishikawa, 920–1192, Japan

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• Ken-ichi Yamakoshi

  Affiliation Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142–8555, Japan

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