Hsin-Ruey (Ray) Tsai
Assistant Professor,
National Chengchi University (NCCU)

My current research interests are about virtual reality (VR), augmented reality (AR), augmented human (AH) and haptic interactions in the human-computer interaction (HCI) field.

Email: hsnuhrt@gmail.com


Ph.D. (2012-2017):
Department of Computer Science and Information Engineering,
National Taiwan University
(Advisor: Prof. Yi-Ping Hung)

M.S. (2010 - 2012):
Department of Computer Science and Engineering,
National Chung Hsing University

B.S. (2006 - 2010):
Department of Computer Science and Engineering,
National Chung Hsing University


Assistant professor (2019 - now),
National Chengchi University

Postdoctoral reseacher (2018 - 2019),
National Taiwan University
(PI: Prof. Bing-Yu Chen)

Visiting researcher (2017 - 2018),
The University of Tokyo
(Advisor: Prof. Jun Rekimoto)
(千里馬 program, MOST)

Lecturer (2014 - 2015),
Vanung University

Research Assistant (2012 - 2013),
Academia Sinica

Research Projects


Providing Multilevel Continuously-Changing Resistive Force and Instant Impact Using Elasticity for VR

Hsin-Ruey Tsai, Jun Rekimoto, Bing-Yu Chen
ACM CHI 2019
[paper] [video]

One-Handed Input Through Rotational Motion for Smartwatches

Hsin-Ruey Tsai, Po-Chang Chen, Liwei Chan, Yi-Ping Hung
International Journal of Human–Computer Interaction (IJHCI) 2018
[paper] [video]


Providing Multi-level Active and Passive Force Feedback in Virtual Reality Using Elasticity

Hsin-Ruey Tsai, Jun Rekimoto
ACM CHI 2018 EA (demo)
[paper] [video]


Enhancing Touch Input While Providing Touch Gestures on Screens Using Thumb-To-Index-Finger Gestures

Hsin-Ruey Tsai, Te-Yen Wu, Da-Yuan Huang, Min-Chieh Hsiu, Jui-Chun Hsiao, Yi-Ping Hung, Mike Chen, Bing-Yu Chen
ACM CHI 2017 EA (late-breaking work)
[paper] [video]

Visual-Inertial Ego-Positioning for Flying Cameras

Meng-Hsun Chou, Hsin-Ruey Tsai, Qiao Liang, Tian-Yi Shen, Kuan-Wen Chen, Yi-Ping Hung
Asian Conference on Computer Vision (ACCV) 2016 (demo)


Supporting Rapid Prototyping and Evolution of Electronic Circuits

Chiuan Wang, Hsuan-Ming Yeh, Bryan Wang, Te-Yen Wu, Hsin-Ruey Tsai, Rong-Hao Liang, Yi-Ping Hung, Mike Chen
[paper] [video]


Knee Adduction Moment Evaluation Measured by Motion Sensors in Gait Detection

Hsin-Ruey Tsai, Shih-Yao Wei, Jui-Chun Hsiao, Ting-Wei Chiu, Yi-Ping Lo, Chi-Feng Keng, Yi-Ping Hung, Jin-Jong Chen
ACM Ubicomp 2016


Private Interactions Using One-handed Thumb Motion Input on Finger Segments

Hsin-Ruey Tsai, Cheng-Yuan Wu, Lee-Ting Huang, Yi-Ping Hung
ACM MobileHCI 2016 EA (poster)
[paper] [video]


Subtle and Always-Available Input Using a Multi-touch Ring

Hsin-Ruey Tsai, Min-Chieh Hsiu, Jui-Chun Hsiao, Lee-Ting Huang, Mike Chen, Yi-Ping Hung
ACM MobileHCI 2016 EA (poster)
[paper] [video]


Selecting Hard-to-Reach Targets with Automatic Comfort Zone Calibration on Mobile Devices

Hsin-Ruey Tsai, Da-Yuan Huang, Chen-Hsin Hsieh, Lee-Ting Huang, Yi-Ping Hung
ACM MobileHCI 2016 EA (poster)
[paper] [video]

Moving around in virtual space with spider silk

Ping-Hsuan Han, Da-Yuan Huang, Hsin-Ruey Tsai, Po-Chang Chen, Chen-Hsin Hsieh, Kuan-Ying Lu, De-Nian Yang, Yi-Ping Hung
ACM SIGGRAPH 2015 Emerging Technologies
[paper] [video]

3-D Gaze Tracking Using Pupil Contour Features

Chih-Chuan Lai, Sheng-Wen Shih, Hsin-Ruey Tsai, Yi-Ping Hung
IEEE International Conference on Pattern Recognition (ICPR) 2014