[Education and Experience]
2013.03~2016.08 B.S., Department of Naval Architecture and Ocean Engineering, Seoul National University, Korea
2016.09~2023.08 Ph.D., Department of Naval Architecture and Ocean Engineering, Seoul National University, Korea
2023.09~2024.02 Postdoctoral Researcher, Research Institute of Marine Systems Engineering, Seoul National University, Korea
2024.03~Now Postdoctoral Fellow, Department of Ocean Operations and Civil Engineering, Norwegian University of Science and Technology, Ålesund, Norway
[Research Fields]
Computational Ship Design
Optimum Design
Collision Avoidance
Publication
International Journal
8. Ha-Yun Kim, Myung-Il Roh, Hye-Won Lee, In-Chang Yeo, Yeong-Min Jo, Ji-Sang Ha, Nam-Sun Son, “A Hybrid Tracking Method for Maritime Obstacles Using Sensor Data”, Ocean Engineering, Vol. 312, Part 2, 119242, 2024.11.15
7. Ji-Sang Ha, Myung-Il Roh, Hye-Won Lee, “Ship Route Planning for Collision Avoidance Based on the Improved Isochrone Method”, International Journal of Naval Architecture and Ocean Engineering, Vol. 16, 100613, 2024.08.16
6. Jeong-Ho Park, Myung-Il Roh, Hye-Won Lee, Yeong-Min Jo, Ji-Sang Ha, Nam-Sun Son, “Multi-vessel Target Tracking with Camera Fusion for Unmanned Surface Vehicles”, International Journal of Naval Architecture and Ocean Engineering, Vol. 16, 100608, 2024.07.14
5. Ji-Sang Ha, Myung-Il Roh, Ki-Su Kim, Jin-Hyeok Kim, “Method for Pipe Routing Using the Expert System and the Heuristic Pathfinding Algorithm in Shipbuilding”, International Journal of Naval Architecture and Ocean Engineering, Vol. 15, pp. 100533.1-15, 2023.05.26
4. Won-Jae Lee, Myung-Il Roh, Hye-Won Lee, Ji-Sang Ha, Yeong-Min Cho, Nam-Sun Son, “Detection and Tracking for the Awareness of Surroundings of a Ship Based on Deep Learning”, Journal of Computational Design and Engineering, Vol. 8, No. 5, pp. 1407-1430, 2021.10.01
3. Do-Hyun Chun, Myung-Il Roh, Hye-Won Lee, Ji-Sang Ha, Dong-Hun Yu, “Deep Reinforcement Learning-based Collision Avoidance for an Autonomous Ship”, Ocean Engineering, Vol. 234, pp. 1-20, 2021.08.15
2. Ji-Sang Ha, Myung-Il Roh, Seung-Ho Ham, Sung-Jun Lee, “Optimum Design of the Underwater Discharge System Based on Surrogate Modeling”, Journal of Marine Science and Technology, Vol. 29, No. 3, pp. 338-353, 2021.06.01
1. Ji-Sang Ha, Myung-Il Roh, Hye-Won Lee, “Quantitative Calculation Method of the Collision Risk for Collision Avoidance in Ship Navigation Using the CPA and Ship Domain”, Journal of Computational Design and Engineering, Vol. 8, No. 3, pp. 894-909, 2021.06.01