Koichi Fujiwara

Publication Activity (10 Years)

Years Active: 1998-2024
Publications (10 Years): 34

Top Topics

Preliminary Study

Epileptic Seizures

Top Venues

Publications

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) (2024)
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) (2024)
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) (2024)
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) (2024)
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)
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) (2023)
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) (2023)
Sayaka Ogawa, Koichi Fujiwara, Manabu Kano
Auditory Feedback of False Heart Rate for Video Game Experience Improvement. IEEE Trans. Affect. Comput. 14 (1) (2023)
Toshiyuki Nakanishi, Koichi Fujiwara, Kazuya Sobue
Prediction Model of Postoperative Pain Exacerbation Using a Wearable Electrocardiogram Sensor. APSIPA ASC (2023)
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)
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 (2022)
Koichi Fujiwara
Editorial: Data science and digital service delivery in healthcare. Frontiers Comput. Sci. 4 (2022)
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) (2021)
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)
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) (2021)
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) (2020)
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)
Xinmin Zhang, Takuya Wada, Koichi Fujiwara, Manabu Kano
Regression and independence based variable importance measure. Comput. Chem. Eng. 135 (2020)
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) (2019)
Koichi Fujiwara, Kazushi Kawamura, Masao Yanagisawa, Nozomu Togawa
An FPGA Implementation Method based on Distributed-register Architectures. IPSJ Trans. Syst. LSI Des. Methodol. 12 (2019)
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)
Sayaka Ogawa, Koichi Fujiwara, Toshitaka Yamakawa, Erika Abe, Manabu Kano
Design of false heart rate feedback system for improving game experience. ICCE (2018)
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) (2018)
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)
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)
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)
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)
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)
Koichi Fujiwara, Manabu Kano
Development of correlation-based process characteristics visualization method and its application to fault detection. ICCA (2017)
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)
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. (7) (2016)
Keisuke Kamata, Koichi Fujiwara, Toshiki Yamakawa, Manabu Kano
Missing RRI interpolation for HRV analysis using locally-weighted partial least squares regression. EMBC (2016)
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) (2016)
Erika Abe, Koichi Fujiwara, Manabu Kano, Hiroshi Chigira, Toshitaka Yamakawa
Development of Photoplethysmogram sensor-embedded video game controller. ICCE (2016)
Koichi Fujiwara, Kazushi Kawamura, Masao Yanagisawa, Nozomu Togawa
Clock skew estimate modeling for FPGA high-level synthesis and its application. ASICON (2015)
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)
Koichi Fujiwara, Manabu Kano
Calibration model design based on weighted nearest correlation spectral clustering. ASCC (2015)
Erika Abe, Hiroshi Chigira, Koichi Fujiwara, Toshitaka Yamakawa, Manabu Kano
Heart rate monitoring by a pulse sensor embedded game controller. APSIPA (2015)
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)
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)
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. (7) (2015)
Taku Uchimaru, Koji Hazama, Koichi Fujiwara, Manabu Kano
Efficient wavenumber selection based on nearest correlation Louvain method for NIR calibration modeling. ASCC (2015)
Erika Abe, Koichi Fujiwara, Toshihiro Hiraoka, Toshitaka Yamakawa, Manabu Kano
Development of drowsy driving accident prediction by heart rate variability analysis. APSIPA (2014)
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)
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)
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)
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)
Koichi Fujiwara, Manabu Kano
Efficient input variable selection for calibration model design. ASCC (2013)
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)
Nobuyuki Matsui, Koichi Fujiwara, Teijiro Isokawa
A Neural Network Model Based on BP Learning with Stochastic Resonance. ICONIP (1998)