A Systematic Representation of Edges in Topological Maps for Mobile Robots using Wavelet Transformation. - Nakju Lett Doh; Namyoung Cho; Kyongmin Lee; Jungseok Lee; Wan Kyun Chung; Sang-Rok Oh (ICRA, 2005)

A Robust Localization Algorithm in Topological Maps with Dynamics. - Nakju Lett Doh; Kyongmin Lee; Jinwook Huh; Namyoung Cho; Jungseok Lee; Wan Kyun Chung; Young-Jo Cho (ICRA, 2005)

Topological Navigation of Mobile Robot in Corridor Environment using Sonar Sensor. - Kyoungmin Lee; Namyoung Cho; Wan Kyun Chung; Nakju Lett Doh (IROS, 2006)