| Presentation | 2015-07-31 Heartbeat Detection with Doppler Sensor Using Adaptive Scale Factor Selection on Learning Eriko Mogi, Tomoaki Ohtsuki, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Heart rate variability gives information about health and mental condition. Noncontact detection of heartbeat using Doppler sensor has been researched in many studies. There is a major issue which is how to reduce the influence of body movement. A conventional algorithm uses the continuous wavelet transform. To extract heartbeat, a constant scale factor is selected during a learning phase which is then used to detect heartbeat during a test phase. However, to select the scale factor, the authors do not consider the difference of heart rate between learning and test. Thus, the root mean square error (RMSE) of R-R interval which represents the peak-to-peak of heartbeat is deteriorated. In this paper, we propose a method to improve the RMSE of R-R interval compared with the conventional one. During learning, we search for a scale factor interval corresponding to the heart rate obtained with the Doppler sensor. To take the difference of heart rate between learning and test into consideration, we extend the scale factor interval depending on the action during test. After we select a certain scale factor from some scale factors in the extended interval, we detect heart rate during test by counting the peaks of wavelet coefficients of the selected scale factor. Through experiments, when a subject is sitting still or doing a typing game, we show that the RMSE of R-R interval is improved by about 60 msec and 65 msec, respectively, compared with the conventional method. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Doppler sensor / heartbeat detection / wavelet transform |
| Paper # | ASN2015-52 |
| Date of Issue | 2015-07-22 (ASN) |
| Conference Information | |
| Committee | RCC / ASN / RCS / NS / SR |
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| Conference Date | 2015/7/29(3days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | JA Naganoken Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless Distributed Network, M2M: Machine-to-Machine, D2D (Device-to-Device)，etc. |
| Chair | Masaaki Katayama(Nagoya Univ.) / Hiroshi Tohjo(NTT) / Makoto Taromaru(Fukuoka Univ.) / Atsushi Hiramatsu(NTT-AT) / Takeo Fujii(Univ. of Electro-Comm.) |
| Vice Chair | Shinsuke Hara(Osaka City Univ.) / Ryu Miura(NICT) / Hiroo Sekiya(Chiba Univ.) / Hiraku Okada(Nagoya Univ.) / Kiyohito Yoshihara(KDDI R&D Labs.) / Hidekazu Murata(Kyoto Univ.) / Satoshi Denno(Okayama Univ.) / Yukitoshi Sanada(Keio Univ.) / Hideki Tode(Osaka Pref. Univ.) / Kenta Umebayashi(Tokyo Univ. of Agric. and Tech.) / Masayuki Ariyoshi(NEC) |
| Secretary | Shinsuke Hara(Kyoto Univ.) / Ryu Miura(Hokkaido Univ.) / Hiroo Sekiya(Kanagawa Inst. of Tech.) / Hiraku Okada(NTT) / Kiyohito Yoshihara(Mitsubishi Electric) / Hidekazu Murata(NTT DoCoMo) / Satoshi Denno(Univ. of Fukui) / Yukitoshi Sanada(NTT) / Hideki Tode(Shinshu Univ.) / Kenta Umebayashi(NICT) / Masayuki Ariyoshi |
| Assistant | Koji Ishii(Kagawa Univ.) / Kentaro Kobayashi(Nagoya Univ.) / Yuichi Igarashi(Hitachi) / Katsuhiro Naito(Aichi Inst. of Tech.) / Kiyohiko Hattori(NICT) / Hiroshi Fujita(Fujitsu Labs.) / Takuro Yonezawa(Keio Univ.) / Jun Mashino(NTT) / Tetsuya Yamamoto(Panasonic) / Takamichi Inoue(NEC) / Tomoya Tandai(Toshiba) / Toshihiko Nishimura(Hokkaido Univ.) / Shohei Kamamura(NTT) / Kazuto Yano(ATR) / Mamiko Inamori(Tokai Univ.) / Hiroyuki Shiba(NTT) / Gia Khanh Tran(Tokyo Inst. of Tech.) |
| Paper Information | |
| Registration To | Technical Committee on Reliable Communication and Control / Technical Committee on Ambient intelligence and Sensor Networks / Technical Committee on Radio Communication Systems / Technical Committee on Network Systems / Technical Committee on Smart Radio |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Heartbeat Detection with Doppler Sensor Using Adaptive Scale Factor Selection on Learning |
| Sub Title (in English) | |
| Keyword(1) | Doppler sensor |
| Keyword(2) | heartbeat detection |
| Keyword(3) | wavelet transform |
| 1st Author's Name | Eriko Mogi |
| 1st Author's Affiliation | Keio University(Keio Univ.) |
| 2nd Author's Name | Tomoaki Ohtsuki |
| 2nd Author's Affiliation | Keio University(Keio Univ.) |
| Date | 2015-07-31 |
| Paper # | ASN2015-52 |
| Volume (vol) | vol.115 |
| Number (no) | ASN-162 |
| Page | pp.pp.183-188(ASN), |
| #Pages | 6 |
| Date of Issue | 2015-07-22 (ASN) |