About us

Innovative Systems Theory Laboratory
Department of Electrical Engineering
Graduate School of Engineering
Kyoto University 
Kyotodaigaku-Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
Kyoto University Katsura Campus A-Cluster
Building A1, Room 407, 408, 409, and 410
Tel: +81 75 383 2257
Principal investigator: Dr. Takuya Sakamoto (Associate Professor)


(Find more details in publications list.)

Advanced human measurement and applied system theoryWe develop new human measurement techniques with the establishment of innovative systems theory by combining system theory, electromagnetic theory, and medical engineering. Prior knowledge on the human body shape and vital signs is effectively used for optimizing the whole human measurement system, which is expected to break through the existing resolution limit of conventional sensing techniques.
Super resolution radar signal processingUsing advanced applied mathematics and electromagnetic scattering theory, we aim to break through the conventional resolution and accuracy of existing wireless sensing techniques. Our approach optimizes the radar system hardware as well as signal processing software specifically targeting the measurement of human signals.
Wireless human imagingWe aim to develop wireless human imaging systems with an extreme accuracy exploiting a priori knowledge on human shapes. One of the applications of this technology is the detection of concealed weapons and objects, which is frequently used in passenger screening systems at security checkpoints of airports.
Radar-based human activity monitoringWe are developing a novel system that can detect and recognize human activities and gestures in addition to personal identification. Doppler shift caused by human activities is measured using microwave and mm-W radar systems for monitoring human activities without using privacy-sensitive sensors such as cameras and microphones. Our system uses only wireless sensors, which means that most of privacy issues can be fundamentally avoided.
Non-contact monitoring of vital signsWireless sensing allows us to detect small displacements of the human skin surface that are caused by the heartbeat and respiration, which realizes non-contact monitoring of heart rate and respiration rate in addition to other person-specific parameters.
Wireless sleep monitoringNon-contact human sleep monitoring is realized using wireless technologies. To avoid privacy concerns, out techniques do not use cameras or microphones. Our system can accurately recognize the sleep stage in addition to the respiration, heart rate and unconscious body motion.
Reconstructed image of a human body using ultra-wideband array radar.
Wireless measurement system for human bodies and vital signs.
Mannequin used in ultra-wideband array radar measurements.

Members (2019)

NameE-mail addressoffice
Associate ProfessorTakuya Sakaotosakamoto.takuya.8n@A1-409
SecretaryReiko Nakanishi nakanishi.reiko.3c@A1-408
Assistant Technical Staff Kentaro Konishikonishi.kentaro.6s@A1-407
Senior Undergrad. StudentYuji Oyamadaoyamada.yuji.72a@st.A1-407
Senior Undergrad. Student Takato Kodakouda.takato.28v@st.A1-407
Senior Undergrad. Student Shotaro Sugitasugita.shotaro.36v@st.A1-407

Add “kyoto-u.ac.jp” at the end of each e-mail address above.