Research Interests
Integrated exploration of mobile robots including exploration strategy and simultaneous localization and mapping (SLAM)
Multi-robot exploration for radiation intensity mapping and source localization
Computer vision including object detection using salient visual features
Education
Mar. 2006 - Aug. 2014
Ph.D., Mechanical Engineering, Pohang Univ. of Science and Technology (POSTECH), Korea
Dissertation: Local Map-based Exploration using Hybrid Search Algorithm for Mobile Robots
Advisor: Prof. Wan Kyun Chung
Mar. 2001 - Feb. 2006
B.S., Mechanical Engineering, POSTECH, Korea
Experiences
Mar. 2021 - to date Associate Professor
Dept. of Mechatronics Engineering, Kangwon National University, Korea
Mar. 2016 - Feb. 2021 Assistant Professor
Dept. of Mechatronics Engineering, Kangwon National University, Korea
Feb. 2015 - Jan. 2016 Research Assistant Professor
School of Information Science, Japan Advanced Institute of Science and Technology (JAIST), Japan
Aug. 2014 - Dec. 2014 Post-Doctoral Researcher
Robotics Lab., Mechanical Engineering, Pohang Univ. of Science and Technology (POSTECH), Korea
Research Projects
Mar. 2022 - to date Principal Investigator, Kangwon National University
Topic: Integrated exploration for mobile robots
Project: “Integrated exploration algorithm for indoor mobile robots using deep-learning and hierarchical frontier-graph search” funded by the National Research Foundation of Korea(NRF) grant funded by the Korea government(MSIT), Young Researcher Program (우수신진연구)
Dec. 2016 - Nov. 2021 Senior Researcher, Kangwon National University [Joint research with Korea University (PI: Prof. Nakju Doh)]
Topic: Practical navigation framework using an improved sampling-based global planner and adaptive obstacle avoidance algorithm
Project: “Hybrid Solution of 3D Semantic Map-Smart Phone-Dummy Robot for the Autonomous Navigation in Complex and Dynamic Indoor Spaces” funded by the Industrial Source Technology Development Programs of the Trade, Industry & Energy of Korea
Dec. 2010 - Nov. 2013 Research Assistant, POSTECH
Topic: User Detection & Tracking using Laser Scanner & Mono Camera, Topological Localization
Project: “Development of mobile assistant robot and emotional interaction robot for the elderly” funded by the Industrial Source Technology Development Programs of the Trade, Industry & Energy of Korea
Jun. 2008 - Feb. 2011 Research Assistant, POSTECH
Topic: Online Implementation of the Iterated Extended Kalman Filter for Odometry Calibration
Project: “Development of the intelligent navigation for service robots” funded by the Acceleration Research Program of the Ministry of Education, Science and Technology of Korea
Mar. 2009 - Apr. 2010 Research Assistant, POSTECH
Topic: Design of 3D Laser Scanning Unit for Extracting 3D Shape of O2 Lance
Project: “O2 lance manipulator system using haptic interface” funded by POSCO
Mar. 2006 - Jun. 2008 Research Assistant, POSTECH
Topic: Online Implementation of Hierarchical Simultaneous Localization and Mapping using Visual Plane
Project: “Development of the intelligent navigation for service robots” funded by the National Research Laboratory Program of the Ministry of Education, Science and Technology of Korea
Contacts
Email: hjryu{at}kangwon.ac.kr, roohj{at}postech.ac.kr, hjryuhj{at}gmail.com
Office: #302, Eng. Building-6, Dept. of Mechatronics Engineering Kangwon National University, Korea
Tel: +82-33-250-6376