Changyo Han

Changyo Han

Assistant Professor

The University of Tokyo

Biography

Changyo Han is an Assistant Professor in Interfaculty of Interdisciplinary Information Studies, the University of Tokyo.

His research interests include creating variety of physical interfaces for Human-Computer Interaction. During his PhD course, he focused on tangible interaction integrating 3D-printed physical interfaces to pressure-sensitive touch surfaces. He continues to work on prototyping of physical interfaces utilizing digital fabrication and wireless commnication technologies.

Previously, he has done research on high-speed optical communication systems during his master course and professional job at ETRI.

Interests
  • Digital Fabrication
  • Physical Interfaces
  • Communication Engineering
Education
  • Ph.D. in Information Science and Technology, 2020

    The University of Tokyo

  • M.E. in Electrical and Electronics Engineering, 2013

    The University of Tokyo

  • B.E. in Electrical and Electronics Engineering, 2011

    Tokyo Institute of Technology

Professional Experience

 
 
 
 
 
The University of Tokyo
Assistant Professor
April 2021 – Present Tokyo, Japan
HCI research
 
 
 
 
 
The University of Tokyo
JSPS Research Fellow (PD)
April 2020 – March 2021 Tokyo, Japan
HCI research
 
 
 
 
 
Electronics and Telecommunications Institute
Researcher
April 2013 – September 2016 Daejeon, Korea
space-division-multiplexed (SDM) optical communication systems, access network for mobile base stations

Projects

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Imperceptible Screen-Camera Communication
Reception of imperceptible QR codes with smartphone cameras
Global Innovation Network Analysis
The impact of geographical proximity on the growth of global innovation networks among cities in East Asia proximity on the growth of global innovation networks
TelemetRing
A Batteryless and Wireless Ring-shaped Keyboard using Passive Inductive Telemetry
PneuModule
Using Inflatable Pin Arrays for Reconfigurable Physical Controls on Pressure-Sensitive Touch Surfaces
ForceStamps
Fiducial Markers for Pressure-sensitive Touch Surfaces to Support Rapid Prototyping of Physical Control Interfaces
Radio-over-Fiber Systems
Development of mobile base stations using Radio-over-Fiber transmission
Mode-Division-Multiplxed Optical Communication
Development of spatial-division multiplexing using multiple modes in optical fibers

Publications

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(2023). A Color Vibration Method Robust to Interframe Difference for Embedding Imperceptible Markers in Videos. The Journal of The Institute of Image Information and Television Engineers.

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(2023). 卓上と壁の間を移行する群ロボットcorobosにおけるアタッチメントの改良. インタラクション2023.

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(2022). Simultaneous Wireless Information and Power Transfer Technique Using Frequency-Modulated DC/DC Converters. Asian Wireless Power Transfer Workshop (AWPT 2022).

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(2022). corobos: 卓上と壁の間を移行する群ロボット. エンタテインメントコンピューティング2022.

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(2022). Using a Dual-Camera Smartphone to Recognize Imperceptible 2D Barcodes Embedded in Videos. Adjunct Proceedings of the 35th Annual ACM Symposium on User Interface Software and Technology.

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Awards

  • IPSJ Interaction 2023 Interactive Presentation Award (participant vote)
  • CHI2021 CHI'20@CHI’21 People’s Choice Best Demo Honorable Mention Award
  • CHI2020 Honorable Mention Award
  • IPSJ Interaction 2020 Interactive Presentation Award (participant vote)
  • IPSJ Interaction 2020 Interactive Presentation Award (PC recommendation)
  • TEI2020 Best Paper Award ACM

Skills

Python

Expert, GUI programming

Unity

Intermediate

MATLAB

Expertise at DSP

Processing

Visual programming

C++

Mostly for Physical Computing

Fusion 360

Expertise at design for 3D printing

Rhinoceros + Grasshopper

Parametric modeling

ADS

RF circuit simulation

AWRDE

RF circuit simulation

HFSS

FEM for microwave components

Korean

Native

Japanese

JLPT 180/180

English

TOEIC 970/990

Contact

  • hanc@nae-lab.org
  • 91C, Faculty of Engineering Bldg. 2, 7-3-1, Hongo, Bunkyo, Tokyo 133-8656