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ORCIDKoichi Fujiwara
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2020 – today
- 2024
[j19]Kazunori Ohno
, Miho Nagasawa, Takatomi Kubo, Koichi Fujiwara, Toshitaka Yamakawa, Miiamaaria V. Kujala:
Special Issue on Advanced Technologies for Augmenting Canine-Human Communication. Adv. Robotics 38(14): 907 (2024)- [j18]Koichi Fujiwara, Koshi Ota, Shota Saeda, Toshitaka Yamakawa, Takatomi Kubo, Aozora Yamamoto, Yuki Maruno, Manabu Kano:
Heat illness detection with heart rate variability analysis and anomaly detection algorithm. Biomed. Signal Process. Control. 87(Part A): 105520 (2024) - [j17]Wei Zhang, Weihan Cheng, Koichi Fujiwara, Richard Evans, Chengyan Zhu:
Predictive Modeling for Hospital Readmissions for Patients With Heart Disease: An Updated Review From 2012-2023. IEEE J. Biomed. Health Informatics 28(4): 2259-2269 (2024) - [j16]Koichi Fujiwara, Hiroki Iwamoto, Kentaro Hori, Manabu Kano:
Driver Drowsiness Detection Using R-R Interval of Electrocardiogram and Self-Attention Autoencoder. IEEE Trans. Intell. Veh. 9(1): 2956-2965 (2024) - 2023
- [j15]Aoi Noguchi, Tomoyuki Takano, Koichi Fujiwara, Miho Miyajima, Toshitaka Yamakawa:
Interactive system for optimal position selection of a patch-type R-R interval telemeter. Artif. Life Robotics 28(1): 226-235 (2023) - [j14]Rikumo Ode, Koichi Fujiwara, Miho Miyajima, Toshikata Yamakawa, Manabu Kano, Kazutaka Jin, Nobukazu Nakasato, Yasuko Sawai, Toru Hoshida, Masaki Iwasaki, Yoshiko Murata, Satsuki Watanabe, Yutaka Watanabe, Yoko Suzuki, Motoki Inaji, Naoto Kunii, Satoru Oshino, Hui Ming Khoo, Haruhiko Kishima, Taketoshi Maehara:
Development of an epileptic seizure prediction algorithm using R-R intervals with self-attentive autoencoder. Artif. Life Robotics 28(2): 403-409 (2023) - [j13]Sayaka Ogawa, Koichi Fujiwara, Manabu Kano:
Auditory Feedback of False Heart Rate for Video Game Experience Improvement. IEEE Trans. Affect. Comput. 14(1): 487-497 (2023) - [c31]Toshiyuki Nakanishi, Koichi Fujiwara, Kazuya Sobue:
Prediction Model of Postoperative Pain Exacerbation Using a Wearable Electrocardiogram Sensor. APSIPA ASC 2023: 195-198 - [c30]Kaito Katayama, Koichi Fujiwara, Kazuki Yamamoto:
Soft-Sensor Construction Method Based on Adaptive Modeling and Transfer Learning for Manufacturing Process Including Maintenance Periods. APSIPA ASC 2023: 325-328 - [c29]Toshiyuki Nakanishi, Koichi Fujiwara, Kazuya Sobue:
Prediction model of postoperative pain exacerbation using an intravenous patient-controlled analgesia device and a wearable electrocardiogram sensor. EMBC 2023: 1-4 - 2022
- [j12]Tsuyoshi Uchida, Koichi Fujiwara, Kenichi Nishioji, Masao Kobayashi, Manabu Kano, Yuya Seko, Kanji Yamaguchi, Yoshito Itoh, Hiroshi Kadotani:
Medical checkup data analysis method based on LiNGAM and its application to nonalcoholic fatty liver disease. Artif. Intell. Medicine 128: 102310 (2022) - [j11]Koichi Fujiwara:
Editorial: Data science and digital service delivery in healthcare. Frontiers Comput. Sci. 4 (2022) - 2021
- [j10]Koichi Fujiwara, Shota Miyatani, Asuka Goda, Miho Miyajima, Tetsuo Sasano, Manabu Kano:
Autoencoder-Based Extrasystole Detection and Modification of RRI Data for Precise Heart Rate Variability Analysis. Sensors 21(9): 3235 (2021) - [j9]Tatsuro Ibe, Koichi Fujiwara, Toshihiro Hiraoka, Erika Abe, Toshitaka Yamakawa:
Development of Game-Like System Using Active Behavior Input for Wakefulness-Keeping Support in Driving. IEEE Trans. Intell. Veh. 6(2): 323-332 (2021) - [c28]Nao Inatsu, Aoi Noguchi, Koshi Ota, Koichi Fujiwara, Takatomi Kubo, Toshitaka Yamakawa:
Preliminary Study Using Autoencoder for Early Detection of Heat Illness from Heart Rate Variability Obtained with Wearable Device. APSIPA ASC 2021: 1348-1352 - 2020
- [j8]Xinmin Zhang, Takuya Wada, Koichi Fujiwara, Manabu Kano:
Regression and independence based variable importance measure. Comput. Chem. Eng. 135: 106757 (2020) - [j7]Toshitaka Yamakawa, Miho Miyajima, Koichi Fujiwara, Manabu Kano, Yoko Suzuki, Yutaka Watanabe, Satsuki Watanabe, Tohru Hoshida, Motoki Inaji, Taketoshi Maehara:
Wearable Epileptic Seizure Prediction System with Machine-Learning-Based Anomaly Detection of Heart Rate Variability. Sensors 20(14): 3987 (2020) - [c27]Felan Carlo C. Garcia, Takatomi Kubo, Chao-Ling Chang, Masafumi Hisada, Takashi Bando, Midori Kato, Masataka Mori, Kazuhito Takenaka, Toshitaka Yamakawa, Koichi Fujiwara, Kazushi Ikeda:
Evaluating Mental State of Drivers in Automated Driving Using Heart Rate Variability towards Feasible Request-to-Intervene. SMC 2020: 3454-3459
2010 – 2019
- 2019
- [j6]Koichi Fujiwara, Kazushi Kawamura, Masao Yanagisawa, Nozomu Togawa:
An FPGA Implementation Method based on Distributed-register Architectures. IPSJ Trans. Syst. LSI Des. Methodol. 12: 38-41 (2019) - [j5]Koichi Fujiwara, Erika Abe, Keisuke Kamata, Chikao Nakayama, Yoko Suzuki, Toshitaka Yamakawa, Toshihiro Hiraoka, Manabu Kano, Yukiyoshi Sumi, Fumi Masuda, Masahiro Matsuo, Hiroshi Kadotani:
Heart Rate Variability-Based Driver Drowsiness Detection and Its Validation With EEG. IEEE Trans. Biomed. Eng. 66(6): 1769-1778 (2019) - [c26]Ayako Iwasaki, Chikao Nakayama, Koichi Fujiwara, Yukiyoshi Sumi, Masahiro Matsuo, Manabu Kano, Hiroshi Kadotani:
Development of a Sleep Apnea Detection Algorithm Using Long Short-Term Memory and Heart Rate Variability. EMBC 2019: 3964-3967 - 2018
- [j4]Keisuke Kamata, Koichi Fujiwara, Takafumi Kinoshita, Manabu Kano:
Missing RRI Interpolation Algorithm based on Locally Weighted Partial Least Squares for Precise Heart Rate Variability Analysis. Sensors 18(11): 3870 (2018) - [c25]Tsuyoshi Uchida, Koichi Fujiwara, Takao Inoue, Yuichi Maruta, Manabu Kano, Michiyasu Suzuki:
Analysis of VNS Effect on EEG Connectivity with Granger Causality and Graph Theory. APSIPA 2018: 861-864 - [c24]Shota Miyatani, Koichi Fujiwara, Manabu Kano:
Deniosing Autoencoder-based Modification of RRI data with Premature Ventricular Contraction for Precise Heart Rate Variability Analysis. EMBC 2018: 5018-5021 - [c23]Sayaka Ogawa, Koichi Fujiwara, Toshitaka Yamakawa, Erika Abe, Manabu Kano:
Design of false heart rate feedback system for improving game experience. ICCE 2018: 1-4 - 2017
- [c22]Ryosuke Sato, Koichi Fujiwara, Masahiro Tani, Junichi Mori, Junji Ise, Kohhei Harada, Manabu Kano:
Causal analysis based on non-time-series kernel Granger causality in a steelmaking process. ASCC 2017: 1778-1782 - [c21]Kei Hata, Koichi Fujiwara, Manabu Kano, Takao Inoue, Sadahiro Nomura, Hirochika Imoto, Michiyasu Suzuki:
Design of focal brain cooling system for suppressing epileptic seizures. EMBC 2017: 283-286 - [c20]Tomonobu Kodata, Keisuke Kamata, Koichi Fujiwara, Manabu Kano, Toshiki Yamakawa, Ichiro Yuki, Yuichi Murayama:
A new infarction detection method based on heart rate variability in rat middle cerebral artery occlusion model. EMBC 2017: 3061-3064 - [c19]Koichi Fujiwara, Manabu Kano:
Development of correlation-based process characteristics visualization method and its application to fault detection. ICCA 2017: 940-945 - 2016
- [j3]Koichi Fujiwara, Kazushi Kawamura, Masao Yanagisawa, Nozomu Togawa:
Interconnection-Delay and Clock-Skew Estimate Modelings for Floorplan-Driven High-Level Synthesis Targeting FPGA Designs. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 99-A(7): 1294-1310 (2016) - [j2]Koichi Fujiwara, Miho Miyajima, Toshitaka Yamakawa, Erika Abe, Yoko Suzuki, Yuriko Sawada, Manabu Kano, Taketoshi Maehara, Katsuya Ohta, Taeko Sasai-Sakuma, Tetsuo Sasano, Masato Matsuura, Eisuke Matsushima:
Epileptic Seizure Prediction Based on Multivariate Statistical Process Control of Heart Rate Variability Features. IEEE Trans. Biomed. Eng. 63(6): 1321-1332 (2016) - [c18]Eri Nakahara, Yuki Maruno, Takatomi Kubo, Rina Ouchi, Maki Katayama, Koichi Fujiwara, Miho Nagasawa, Takefumi Kikusui, Kazushi Ikeda:
Canine emotional states assessment with heart rate variability. APSIPA 2016: 1-3 - [c17]Keisuke Kamata, Koichi Fujiwara, Toshiki Yamakawa, Manabu Kano:
Missing RRI interpolation for HRV analysis using locally-weighted partial least squares regression. EMBC 2016: 2386-2389 - [c16]Erika Abe, Koichi Fujiwara, Manabu Kano, Hiroshi Chigira, Toshitaka Yamakawa:
Development of Photoplethysmogram sensor-embedded video game controller. ICCE 2016: 425-426 - 2015
- [j1]Koichi Fujiwara, Kazushi Kawamura, Shin-ya Abe, Masao Yanagisawa, Nozomu Togawa:
A Floorplan-Driven High-Level Synthesis Algorithm for Multiplexer Reduction Targeting FPGA Designs. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 98-A(7): 1392-1405 (2015) - [c15]Toshitaka Yamakawa, Ryunosuke Kinoshita, Koichi Fujiwara, Manabu Kano, Miho Miyajima, Tadashi Sakata, Yuichi Ueda:
Accuracy comparison between two microcontroller-embedded R-wave detection methods for heart-rate variability analysis. APSIPA 2015: 1010-1013 - [c14]Keisuke Kamata, Koichi Fujiwara, Tomonobu Kodama, Manabu Kano, Toshitaka Yamakawa, Norikata Kobayashi, Fuminori Shimizu:
Development of stroke detection method by heart rate variability analysis and support vector machine. APSIPA 2015: 1257-1261 - [c13]Erika Abe, Hiroshi Chigira, Koichi Fujiwara, Toshitaka Yamakawa, Manabu Kano:
Heart rate monitoring by a pulse sensor embedded game controller. APSIPA 2015: 1266-1269 - [c12]Koichi Fujiwara, Manabu Kano:
Calibration model design based on weighted nearest correlation spectral clustering. ASCC 2015: 1-6 - [c11]Taku Uchimaru, Koji Hazama, Koichi Fujiwara, Manabu Kano:
Efficient wavenumber selection based on nearest correlation Louvain method for NIR calibration modeling. ASCC 2015: 1-6 - [c10]Koichi Fujiwara, Kazushi Kawamura, Masao Yanagisawa, Nozomu Togawa:
Clock skew estimate modeling for FPGA high-level synthesis and its application. ASICON 2015: 1-4 - [c9]Chikao Nakayama, Koichi Fujiwara, Masahiro Matsuo, Manabu Kano, Hiroshi Kadotani:
Development of sleep apnea syndrome screening algorithm by using heart rate variability analysis and support vector machine. EMBC 2015: 8165-8168 - 2014
- [c8]Koichi Fujiwara, Shin-ya Abe, Kazushi Kawamura, Masao Yanagisawa, Nozomu Togawa:
A floorplan-aware high-level synthesis algorithm for multiplexer reduction targeting FPGA designs. APCCAS 2014: 244-247 - [c7]Erika Abe, Koichi Fujiwara, Toshihiro Hiraoka, Toshitaka Yamakawa, Manabu Kano:
Development of drowsy driving accident prediction by heart rate variability analysis. APSIPA 2014: 1-4 - [c6]Koichi Fujiwara, Erika Abe, Yoko Suzuki, Miho Miyajima, Toshitaka Yamakawa, Manabu Kano, Taketoshi Maehara, Katsuya Ohta, Tetsuo Sasano:
Epileptic seizure monitoring by One-Class Support Vector Machine. APSIPA 2014: 1-4 - [c5]Toshitaka Yamakawa, Koichi Fujiwara, Miho Miyajima, Erika Abe, Manabu Kano, Yuichi Ueda:
Real-time heart rate variability monitoring employing a wearable telemeter and a smartphone. APSIPA 2014: 1-4 - 2013
- [c4]Hirotsugu Hashimoto, Koichi Fujiwara, Yoko Suzuki, Miho Miyajima, Toshitaka Yamakawa, Manabu Kano, Taketoshi Maehara, Katsuya Ohta, Tetsuo Sasano, Masato Matsuura, Eisuke Matsushima:
Heart rate variability features for epilepsy seizure prediction. APSIPA 2013: 1-4 - [c3]Toshitaka Yamakawa, Koichi Fujiwara, Manabu Kano, Miho Miyajima, Yoko Suzuki, Taketoshi Maehara, Katsuya Ohta, Tetsuo Sasano, Masato Matsuura, Eisuke Matsushima:
Development of a wearable HRV telemetry system to be operated by non-experts in daily life. APSIPA 2013: 1-4 - [c2]Koichi Fujiwara, Manabu Kano:
Efficient input variable selection for calibration model design. ASCC 2013: 1-6
1990 – 1999
- 1998
- [c1]Nobuyuki Matsui, Koichi Fujiwara, Teijiro Isokawa:
A Neural Network Model Based on BP Learning with Stochastic Resonance. ICONIP 1998: 1579-1582
Coauthor Index
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