User following strategy for mobile robots. - Jong-hun Park; Hyejeong Ryu; Young-Ho Choi; Wan Kyun Chung (URAI, 2013)

Local map-based exploration for mobile robots. - Hyejeong Ryu; Wan Kyun Chung (Intell. Serv. Robotics, 2013)

Fast radiation mapping and multiple source localization using topographic contour map and incremental density estimation. - Abdullah Al Redwan Newaz; Sungmoon Jeong; Hosun Lee; Hyejeong Ryu; Nak Young Chong; Matthew T. Mason (ICRA, 2016)

UAV-based multiple source localization and contour mapping of radiation fields. - Abdullah Al Redwan Newaz; Sungmoon Jeong; Hosun Lee; Hyejeong Ryu; Nak Young Chong (Robotics Auton. Syst., 2016)

Online complete coverage path planning using two-way proximity search. - Amna Khan; Iram Noreen; Hyejeong Ryu; Nakju Lett Doh; Zulfiqar Habib (Intell. Serv. Robotics, 2017)

Optimal path planning in cluttered environment using RRT*-AB. - Iram Noreen; Amna Khan; Hyejeong Ryu; Nakju Lett Doh; Zulfiqar Habib (Intell. Serv. Robotics, 2018)

A Revisiting Method Using a Covariance Traveling Salesman Problem Algorithm for Landmark-Based Simultaneous Localization and Mapping. - Hyejeong Ryu (Sensors, 2019)

Graph Search-Based Exploration Method Using a Frontier-Graph Structure for Mobile Robots. - Hyejeong Ryu (Sensors, 2020)

A Hierarchical Path Planning Approach Using Waypoint Visibility-Based Target Planner. - Hyejeong Ryu (IEEE Access, 2025)

Enhanced SIRRT*: A Structure-Aware RRT* for 2D Path Planning with Hybrid Smoothing and Bidirectional Rewiring. - Hyejeong Ryu (CoRR, 2025)