Non-restrictive Heart Rate Monitoring Using an Acceleration Sensor. - Shima Okada; Yoshihisa Fujiwara; Masashi Yasuda; Yuko Ohno; Masaaki Makikawa (EMBC, 2006)

Development of a low-profile sensor using electro-conductive yarns in recognition of slippage. - Van Anh Ho; Daisuke Kondo; Shima Okada; Takahiro Araki; Emi Fujita; Masaaki Makikawa; Shinichi Hirai (IROS, 2011)

Body movement in children with ADHD calculated using video images. - Shima Okada; Naruhiro Shiozawa; Masaaki Makikawa (BHI, 2012)

Gait analysis of sit-to-walk motion by using portable acceleration monitor device for fall prevention. - Naruhiro Shiozawa; Shin Arai; Shima Okada; Masaaki Makikawa (BHI, 2012)

Electric motor assisted bicycle as an aerobic exercise machine. - Takafumi Nagata; Shima Okada; Masaaki Makikawa (EMBC, 2012)

Body movement analysis during sleep for children with ADHD using video image processing. - Masahiro Nakatani; Shima Okada; Sachiko Shimizu; Ikuko Mohri; Yuko Ohno; Masako Taniike; Masaaki Makikawa (EMBC, 2013)

Measurement of swallowing using flexible polymer sensor. - Yusuke Sakaue; Takahiro Shimizu; Motomi Matsushima; Mikiya Matsuura; Katsuei Takahashi; Kazuhiko Asahara; Shima Okada; Masaaki Makikawa (EMBC, 2013)

Classification of forearm and finger motions using electromyogram and arm-shape-changes. - Yuhei Kamei; Shima Okada (EMBC, 2016)

Development of wearable muscle fatigue detection system using capacitance coupling electrodes. - Takahiro Kobayshi; Shima Okada; Masaaki Makikawa; Naruhiro Shiozawa; Manabu Kosaka (EMBC, 2017)

Development of noncontact respiration monitoring method with web-camera during sleep. - Teruaki Nochino; Yuko Ohno; Shima Okada (GCCE, 2017)

Monitoring preterm infants' body movement to improve developmental care for their health. - Aya Shimizu; Atsue Ishii; Shima Okada (GCCE, 2017)

Development of wearable EMG measurement system on forearm for wrist gestures discrimination. - Satoya Higashi; Daisuke Goto; Shima Okada; Naruhiro Shiozawa; Masaaki Makikawa (LifeTech, 2019)

Estimation of Subcutaneous Tissue State of Lymphedema Using Pressure Sensor. - Daiki Kato; Rie Tajika; Kanna Mototani; Masaaki Makikawa; Makoto Tsukuda; Atsue Ishii; Shima Okada (LifeTech, 2019)

Assessment Method for Autonomic Nervous Balance by Using Camera. - Yu Ochiai; Shima Okada (LifeTech, 2019)

Noninvasive Measurement for Emotional Arousal during Acupuncture using Thermal Image. - Tianyi Wang 002; Hieyong Jeong; Shima Okada; Yuko Ohno (LifeTech, 2019)

Sleep Stage Estimation Using ECG. - Hirotaka Matsumoto; Shima Okada; Tianyi Wang 002; Masaaki Makikawa (BIBM, 2020)

Sleep Stages Discrimination by Head Motion. - Motoki Yoshihi; Shima Okada; Tianyi Wang 002; Masaaki Makikawa (BIBM, 2020)

The Estimation of Circadian Rhythm Using Smart Wear. - Hazuki Masuda; Shima Okada; Naruhiro Shiozawa; Masaaki Makikawa; Daisuke Goto (EMBC, 2020)

Circadian Rhythm Estimation Using Electrocardiogram. - Hazuki Masuda; Shima Okada; Naruhiro Shiozawa (LifeTech, 2020)

Movement Coordination during Forward and Backward Rope Jumping: A Relative Phase Study. - Tianyi Wang 002; Daisuke Goto; Masanobu Manno; Shima Okada; Naruhiro Shiozawa; Kenji Ueta (EMBC, 2021)

Investigation for Inducing Sleep using Entrainment of Heart Rate. - Chihiro Tawada; Shima Okada; Tianyi Wang 002; Masaaki Makikawa (GCCE, 2021)

Development of a Music Interactive Online Fitness System for Shoulder Press Exercise: Latest Update for Biosignal Art. - Tianyi Wang 002; Masamitsu Kamon; Shima Okada; Yurie Kondo; Naruhiro Shiozawa; Masaaki Makikawa (GCCE, 2021)

Effect of Assist Robot on Muscle Synergy during Sit-to-Stand Movement. - Tianyi Wang 002; Shima Okada; An Guo; Masaaki Makikawa; Naruhiro Shiozawa (ISR, 2021)

Relationship between vertical acceleration and autocorrelation function during jumping rope. - Daisuke Goto; Masanobu Manno; Tianyi Wang 002; Tetsutaro Koda; Nao Miyamoto; Takuya Toyoshi; Shima Okada; Naruhiro Shiozawa (LifeTech, 2021)

Noncontact Measurement for the Autonomic Nervous System through RGB Camera. - Ryohei Tsuji; Shima Okada; Tianyi Wang 002 (LifeTech, 2021)

Classification of Robot Service during Sit-to-Stand through Segments Coordination. - Tianyi Wang 002; Shima Okada; Masaaki Makikawa (LifeTech, 2021)

Design and Evaluation of an Online Squat Fitness System: Lessons Learned During the Early COVID-19 Pandemic in Japan. - Tianyi Wang 002; Masamitsu Kamon; Shima Okada; Shuji Sawada; Rui Ogawa; Naruhiro Shiozawa; Shuichi Machida (Frontiers Digit. Health, 2021)

Estimating Sleep Stages Using a Head Acceleration Sensor. - Motoki Yoshihi; Shima Okada; Tianyi Wang 002; Toshihiro Kitajima; Masaaki Makikawa (Sensors, 2021)

Development of Boxing Glove Type Sensation Device for Exercise Induction and Continuation. - Yurie Kondo; Shima Okada; Moemi Saito; Takahide Tanaka; Kanaru Fumimoto (GCCE, 2022)

Changes in the Heart Rate During Sleep With Menstrual Cycle Under Free-Living Conditions. - Hazuki Masuda; Shima Okada; Takahide Tanaka; Naruhiro Shiozawa; Yusuke Sakaue; Masanobu Manno (GCCE, 2022)

Evaluation for Biorhythm of Japanese University Students During COVID-19 Pandemic Using Wearable Device. - Hazuki Masuda; Koki Nakauchi; Tianyi Wang 002; Shima Okada; Masaaki Makikawa (ICCE, 2022)

The Relaxation Effect of Music and Natural Sounds. - Hatta Hikaru; Shimojo Keijiro; Shima Okada; Koichiro Hiromatsu; Nanako Takeda (LifeTech, 2022)

Exercise becomes Music: Creating communication through new music experiences using exercise data. - Akihiro Kato; Ryo Morita; Hiroshi Yamato; Shima Okada; Naruhiro Shiozawa (LifeTech, 2022)

Human Relationship Advice System in Metaverse World: Application Propose of CTUP Model in Future Communication. - Tianyi Wang 002; Shima Okada (LifeTech, 2022)

Convolutional neural network-based computer-aided diagnosis in Hiesho (cold sensation). - Tianyi Wang 002; Masayuki Endo; Yuko Ohno; Shima Okada; Masaaki Makikawa (Comput. Biol. Medicine, 2022)

Development of a non-contact sleep monitoring system for children. - Masamitsu Kamon; Shima Okada; Masafumi Furuta; Koki Yoshida (Frontiers Digit. Health, 2022)

Noncontact Evaluation Method for Autonomic Nervous System Activity during Exercise Using RGB Camera. - Kanaru Fumimoto; Shima Okada; Masanobu Manno; Yusuke Sakaue; Ryohei Tsuji; Masaaki Makikawa (EMBC, 2023)

Heart fire for online live-streamed concerts: a pilot study of a smartwatch-based musician-listener interaction system. - Tianyi Wang 002; Shima Okada (Frontiers Comput. Sci., 2023)

Non-contact Assessment of Cardiovascular and Thermoregulatory Function during Exercise after Sleep Deprivation. - Kanaru Fumimoto; Shima Okada; Masanobu Manno; Yusuke Sakaue; Masaaki Makikawa (EMBC, 2024)

Gait Event Detection During Running Using a Bending Angle Sensor Attached to Loose-Fitting Clothing. - Daisuke Goto; Yusuke Sakaue; Shima Okada; Naruhiro Shiozawa (EMBC, 2024)

Does In-Bed Airflow to the Feet Improve Postural Balance After Waking?: Aiming to Reduce Fatigue. - Hazuki Masuda; Shima Okada; Masanobu Manno; Aoki Taizo; Hiroshi Maruyama; Shuzhen Zhou (GCCE, 2024)

Development of a Robotic Sixth Finger for Novel Instrument Performance. - Koki Takemoto; Shima Okada; Yusuke Sakaue; Masanobu Manno; Masaaki Makikawa (GCCE, 2024)

A Contactless Measurement of Mind Activity During Conversation Using Video Analysis. - Kanaru Fumimoto; Yusuke Sakaue; Shima Okada; Ryohei Tsuji; Naruhiro Shiozawa; Kazuho Yamaura; Takeshi Hashimoto; Masaaki Makikawa (ICCE, 2024)

Noncontact Measurement for Autonomic Nervous System Activity Caused by Mental Task Using Video Analysis. - Ryohei Tsuji; Shima Okada; Yusuke Sakaue; Masanobu Manno; Kanaru Fumimoto; Masaaki Makikawa (ICCE, 2024)

Effects of "Robotic Rocking Pillow" on Human Short Sleep at Noon. - Kazutaka Yamamoto; Yuuichi Kawamura; Shima Okada; Yusuke Sakaue; Masanobu Manno; Masaaki Makikawa (ICCE, 2024)

Environmental Control with In-Bed Airflow to Improve Sleep Quality. - Taizo Aoki; Hiroshi Maruyama; Kazutaka Yamamoto; Shuzhen Zhou; Shima Okada (ICCE, 2025)

Non-Contact Sleep Stage Estimation in Adult and Infant Sleep Using Millimeter Wave Sensor. - Shuto Hayashi; Shima Okada; Yusuke Sakaue; Naruhiro Shiozawa (ICCE, 2025)

Automatic Classification of Personal Space Using Wearable Sensor Data. - Tomoyasu Takagi; Kazutaka Yamamoto; Kenta Fuke; Yusuke Sakaue; Naruhiro Shiozawa; Kazuho Yamaura; Shima Okada (ICCE, 2025)

Autonomic Nervous System Indicators of Love: Evaluation of Matching of Marriage Partners Using Heart Rate Correlation Analysis. - Kazutaka Yamamoto; Tomoyasu Takagi; Kenta Fuke; Yusuke Sakaue; Naruhiro Shiozawa; Kazuho Yamaura; Shima Okada (ICCE, 2025)

Estimation of Comfort or Discomfort State During Sleep Using Lower Limb Movement Features. - Shuzhen Zhou; Hazuki Masuda; Kazutaka Yamamoto; Kenta Fuke; Shima Okada; Yusuke Sakaue; Aoki Taizo; Hiroshi Maruyama (ICCE, 2025)

Machine learning model for menstrual cycle phase classification and ovulation day detection based on sleeping heart rate under free-living conditions. - Hazuki Masuda; Shima Okada; Naruhiro Shiozawa; Yusuke Sakaue; Masanobu Manno; Masaaki Makikawa; Tadao Isaka (Comput. Biol. Medicine, 2025)

Noncontact evaluation of autonomic nervous system activity during exercise by using video analysis. - Kanaru Fumimoto; Shima Okada; Ryohei Tsuji; Yusuke Sakaue; Naruhiro Shiozawa; Hieyong Jeong; Masaaki Makikawa (Frontiers Digit. Health, 2025)