Professor

  • Prof. Dong-Geol choi
  • Assistant Professor
  • Dept. of Information and Communication Engineering
  • Hanbat National University, Republic of Korea
  • Tel. : +82-42-821-1213
  • Email: dgchoi [at] hanbat.ac.kr
biography
Dong-Geol Choi received the B.S and M.S degrees in Electric Engineering and Computer Science from Hanyang University in 2005 and 2007, respectively, and the Ph.D degree in the Robotics Program from Korea Advanced Institute of Science and Technology (KAIST) in 2016. After working at the KAIST as a postdoctoral researcher and research assistant professor until Aug 2018. He is currently an Assistant Professor with the Department of Information and Communication Engineering, in Hanbat National University. His research interests include sensor fusion, autonomous robotics, and artificial intelligence issues. Dr. Choi received a fellowship award from Qualcomm Korea R&D Center in 2013. He was a member of ‘Team KAIST,’ which won the first place in DARPA Robotics Challenge Finals 2015. He is a member of the IEEE.
Research Interests
  • Robot Vision
  • Sensor Fusion
  • Autonomous Robot System
  • Artificial Intelligence
Honors & Awards
  • 1st place in DARPA Robotics Challenge Finals, “Team KAIST,” June, 7, 2015. [project page]
  • Qualcomm Innovation Award, “An Effective Hierarchical Sensor-Fusion Framework for Autonomous Vehicle,” Sep, 2013.
Publications
  • International Journal
    • Gradient-based Camera Exposure Control for Outdoor Mobile Platform
      Inwook Shim and Tae-Hyun Oh and Joon-Young Lee and Jinwook Choi and Dong-Geol Choi* and In So Kweon IEEE Transactions on Circuits and Systems for Video Technology, 2018
    • Real-Time head pose estimation using multi-task deep neural network
      Byungtae Ahn, Dong-Geol Choi*, Jaesik Park and In So Kweon Robotics and Autonomous Systems , 2018.
    • Structure-From-Motion in 3D Space Using 2D Lidars
      Dong-Geol Choi*, Yunsu Bok, Jun-Sik Kim, Inwook Shim, In So Kweon Sensors, 2017
    • Extrinsic Calibration of a camera and a 2D laser without overlab
      Yunsu Bok, Dong-Geol Choi*, and In So Kweon Robotics and Autonomous Systems , Feb 2016.
    • Extrinsic Calibration of 2D Lidars using Two Orthogonal Planes
      Dong-Geol Choi*, Yunsu Bok, Jun-sik Kimand In So Kweon IEEE Transactions on Robotics (T-RO), Feb 2016
    • An Autonomous Driving System for Unknown Environments using a Unified Map
      Inwook Shim, Jongwon Choi, Seunghak Shin, Tae-Hyun Oh, Unghui Lee, Byungtae Ahn, Dong-Geol Choi, David Hyunchul Shim, and In So Kweon IEEE Transactions on Intelligent Transportation Systems (T-ITS), Feb 2015
    • Sensor Fusion of Cameras and a Laser for City-Scale 3D Reconstruction
      Yunsu Bok, Dong-Geol Choi, and In So Kweon Sensors, Dec 2014.
    • Capturing Village-level Heritages with a Hand-held Camera-Laser Fusion Sensor
      Yunsu Bok, Yekeun Jeong, Dong-Geol Choi, and In So Kweon International Journal of Computer Vision (IJCV), Aug 2011
    • Development of a 5-DOF Hybrid Micro-Manipulator and Implementation to Needle Manipulation Process in Medical Applications
      Goo Bong Chung, Jae Heon Chung, Dong Geol Choi, Byung-Ju Yi, Seok Young Han, and Seon Jung Kim The Journal, Key Engineering Materials, Dec 2006
  • International Conference
    • Extrinsic Calibration of Non-overlapping Camera-Laser System using Structured Environment
      Yunsu Bok, Dong-Geol Choi, Pascal Vasseur, and In So Kweon In Proc. of IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Sep 2014. [pdf]
    • Extrinsic Calibration of 2D Laser Sensors
      Dong-Geol Choi, Yunsu Bok, Jun-sik Kim, and In So Kweon In Proc. of IEEE International Conference on Robotics & Automation (ICRA), May 2014. [pdf]
    • Robust Computer Vision Techniques for High-quality 3D Modeling
      Joon-Young Lee, Jiyoung Jung, Yunsu Bok, Jaesik Park, Dong-Geol Choi, Yudeog Han, and In So Kweon In Proc. of IAPR Asian Conference on Pattern Recognition (ACPR), Nov 2013. [pdf]
    • Generalized Laser Three-Point Algorithm for Motion Estimation of Camera-Laser Fusion System
      Yunsu Bok, Dong-Geol Choi, and In So Kweon In Proc. of IEEE International Conference on Robotics & Automation (ICRA), May 2013. [pdf]
    • Multi Lidar System for fast obstacle detection
      Inwook Shim, Dong-Geol Choi, Seunghak Shin, and In So Kweon In Proc. of International Conference on Ubiquitous Robots and Ambient Intelligence (URAI), Nov 2012. [pdf]
    • Autonomous Homing based on Laser-Camera Fusion System
      Dong-Geol Choi, Inwook Shim, Yunsu Bok, Tae-Hyun Oh, and In So Kweon In Proc. of IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Sep 2012. [pdf]
    • Capturing City-level Scenes with a Synchronized Camera-Laser Fusion Sensor
      Yunsu Bok, Dong-Geol Choi, Yekeun Jeong, and In So Kweon In Proc. of IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Sep 2011. [pdf]
    • Robust Road Detection Based On Optimal Fusion Ratio of Classifier Dong-Geol Choi, Youngbae Hwang, and In So Kweon
      nternational Conference on Mechatronics and Information Technology (ICMIT), Nov 2009. [pdf]
    • Capturing Village-level Heritages with a Hand-held Camera-Laser Fusion Sensor
      Yunsu Bok, Dong-Geol Choi, Yekeun Jeong, and In So Kweon In Proc. of IEEE International Conference on Computer Vision (ICCV), Oct 2009. [pdf]
    • Intelligent Grasping by Learning from Observation
      Seong-Young Ko, Hanbyul Joo, Dong-Geol Choi, Hyeongwoo Kim, and In So Kweon In Proc. of International Conference on Ubiquitous Robots and Ambient Intelligence (URAI), Nov 2008. [pdf]
    • Design of an endoscopic robot using a spring backbone
      Dong-Geol Choi, Byung-Ju Yi and Young Su Kim In Proc. of IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Sep 2007. [pdf]
    • Optimal Motion Planning of Auto Illumination Robot System
      Dong-Geol Choi, Byung-Ju Yi and Whee Kuk Kim IEEE conference on mechatronics and Automation (ICMA), Sep 2007. [pdf]
    • Development of a 5-DOF Hybrid Micro-Manipulator for Needle Manipulation in Brain Surgery
      Goo Bong Chung, Jae Heon Chung, Dong-Geol Choi, Byung-Ju Yi, Whee Kuk Kim, and Young Soo Kim World Congress on Medical Physics and Biomedical Engineering (IUPESM), 2006
    • An Image-Guided Robot System for Spinal Fusion
      Jae Heon Chung, Goo Bong Chung, Dong-Geol Choi, Sung Min Kim, Se Min Oh, Byung-Ju Yi, and Whee Kuk Kim, Young Soo Kim, and Jong Il Park World Congress on Medical Physics and Biomedical Engineering (IUPESM), 2006
    • Implementation of Auto Surgical Illumination Robotic System Using Ultrasonic Sensor-based Tracking Algorithm
      Dong-Geol Choi, Byung-Ju Yi , Whee Kuk Kim and Young Su Kim World Congress on Medical Physics and Biomedical Engineering (IUPESM), 2006
Thesis
  • PH. D. Thesis, KAIST, 2016, Robust SLAM and sensor calibration frameworks for robots using 2D LiDARs and cameras
  • M.Sc. Thesis, Hanyang Univ., 2007, Auto surgical illumination robot system using ultrasonic sensor based tracking algorithm and spring backbone micro endoscope