Education

Publications

Jongwon Lee, Su Yeon Choi, and Timothy Bretl. 2024. The Use of Multi-Scale Fiducial Markers To Aid Takeoff and Landing Navigation by Rotorcraft. In AIAA SciTech Forum. [paper][Arxiv][slides]

Su Yeon Choi, Jongwon Lee, and Timothy Bretl. 2024. The Impact of Adverse Environmental Conditions on Fiducial Marker Detection from Rotorcraft. In AIAA SciTech Forum. [paper]

Jongwon Lee, Su Yeon Choi, David Hanley, and Timothy Bretl. 2023. Comparative Study of Visual SLAM-Based Mobile Robot Localization Using Fiducial Markers. In IROS Workshop on Closing the Loop on Localization. [paper][Arxiv]

Jongwon Lee, David Hanley, and Timothy Bretl. 2022. Extrinsic Calibration of Multiple Inertial Sensors from Arbitrary Trajectories. IEEE Robotics and Automation Letters (RA-L) (with ICRA 2022). [paper][Arxiv][video][code]

Jongwon Lee and Ayoung Kim. 2019. Neural Network-Based Long-Term Place Recognition from Omni-Images. In Proceedings of the IEEE International Conference on Ubiquitous Robots. [paper] [slides]

highlighted Research & projects

Graduate Research Assistant at Bretl Research Group (Advisor: Dr. Timothy Bretl)

August 2020 – Present

• Leading project on RGB-inertial simultaneous localization and mapping (SLAM) in dynamic environments with moving objects

• Participating in project on takeoff and landing navigation using multi-scale visual and infrared fiducial markers for urban air mobility in collaboration with Supernal, LCC.

• Participated in project on developing scalable and distributed IMU for CubeSat applications in collaboration with CU Aerospace (NASA Grant No. STTR-80NSSC20C0020)

Research Intern at NAVER LABS Corp. (Title: Computer Vision & Deep Learning Engineer; Advisor: Dr. Donghwan Lee)

February 2020 – August 2020

• Led project on large-scale visual place recognition in urban environments

Research Intern at Intelligent Robotic Autonomy and Perception Laboratory, KAIST (Advisor: Dr. Ayoung Kim)

March 2018 – December 2019

• Led project on depth estimation under ill-lit conditions using stereo infrared cameras (Funded by URP 2019 ($5.5K), KAIST)

• Led project on long-term visual place recognition in urban environments (Funded by CEE-URP 2018 ($7.2K), KAIST) [slides]

Research Intern at Intelligence and Robot System Research Group, Electronics and Telecommunications Research Institute (ETRI) [report] [demo]

January 2019 – February 2019

• Participated in project on reflective marker detection and localization using 2D LiDAR

Research Intern at Telerobotics Control Laboratory, KAIST

January 2016 – February 2016

• Studied trajectory planning of 3-axis robotic arm using motors

Honors & awards

• Academic Excellence Award for Class of 2021, Department of Mechanical Engineering, KAIST (2021)

• Seong-Bu Kim Creative Activity Initiative Award, Department of Mechanical Engineering, KAIST (2021)

• Engineering Innovation Award, College of Engineering, KAIST (2020)

• National Scholarship, Korean Ministry of Education (2020)

• Travel Grant for CES 2020, KAIST Alumni Association (2020)

  • Nominated for the department representative who attends CES 2020, under the sponsorship of KAIST Alumni Association

• Travel Grant for IROS 2019, College of Engineering, KAIST (2019)

  • Selected as a qualified recipient to attend international conferences or programs

• Dean's List, KAIST (Fall 2014, Spring 2015, Spring 2016, Spring 2019)

• Scholarship for Honors Students, KAIST (Spring 2019)

• National Science and Engineering Scholarship, Korea Student Aid Foundation (2014-2016, 2018-2019)

• Outstanding Achievement Award, Department of Mechanical Engineering, KAIST (2014, 2015, 2018)

• Best Instructor Award, KAIST Science Outreach Program (2018)

  • Received this award in recognition of devotion and passion for teaching and inspiring underprivileged middle school students math and science through KAIST Science Outreach Program 

• Bronze Prize in CEE-URP Competition, Department of Civil and Environmental Engineering, KAIST (2018)

  • Presented results on Robust Place Recognition of Robot in Urban Canyon Using Neural Network

• Travel Grant for ACCV 2018, College of Engineering, KAIST (2018)

  • Selected as a qualified recipient to attend international conferences or programs

teaching & advising

Teaching Assistantship

• AE 483 (Autonomous Systems Lab), Fall 2022, UIUC

• • Ran three lab sessions providing a project-based introduction to autonomous aerospace systems, specifically un-piloted and remotely piloted aerial vehicles

Mentorship for Undergraduate Research

• Parth Shrotri and Shivani Atre, AE 298 Spring 2023, UIUC

• Pradyun Narkadamilli, ECE 297 Fall 2022, UIUC

• Arjun Shah and Varun Sarabudla, PURE 2021, UIUC

• Chaemin Na, CEE-URP 2018, KAIST

Tutoring

• CS101 (Introduction to Programming), Fall 2019, KAIST

• PH141 (General Physics I), Spring 2015, 2016, 2019, KAIST

• PH142 (General Physics II), Fall 2018, KAIST

Instructorship at KAIST Science Outreach Program (KSOP)

• KAIST Science Outreach Program (KSOP), March 2017 – December 2018

• Taught advanced science and mathematics to underprivileged middle school students

• Earned Best Instructor Award in December 2018

• Samsung Dream Class, March 2015 – July 2016

  • Taught advanced science and mathematics to underprivileged middle school students

academic services

Reviewer

• IEEE Transactions on Instrumentation and Measurement (TIM)

• IEEE International Conference on Robotics and Automation (ICRA)

technical skills

• Programming languages: Python, C++, MATLAB

• Others: ROS, OpenCV, Pytorch, LaTeX

extracurricular activities & other services

Invitee of Qualcomm IT Tour 

July 2019

• Invited to the headquarters of Qualcomm Inc. at San Diego, CA, hosted by Qualcomm Korea

• Gave a presentation about a 5G use case 'Brainless Robot for Searching a Missing Child' in front of Jim Cathey, SVP and President of Qualcomm Global Business

Team Leader in Korean Augmentation to the United States Army (KATUSA) 

August 2016 – April 2018

• Served mandatory military service as a Korean citizen  at Camp Red Cloud in the U.S. Army

• Was a team leader responsible for ten to twenty people's training and performances

• Promoted cultural exchange and mutual understanding between Korean and U.S. Forces

• Learned English and taught Korean by conducting language exchange programs

Civil Journalist at Korea Deposit Insurance Corporation (KDIC)

September 2015 – February 2016

• Wrote monthly articles about economics as a part of public affairs of KDIC

Journalist and Newsroom Editor-of-Chief of Voice of KAIST (VOK)

March 2014 – December 2015

• Produced newscasts and documentaries concerning issues in KAIST

• Strived to establish a news media that speaks for the public opinion of school society

• Gave lectures and assignments on Adobe Premiere Pro and Photoshop to freshmen