Motion Balance Filtering. - Seyoon Tak; Oh-Young Song; Hyeong-Seok Ko (Comput. Graph. Forum, 2000)

Spacetime Sweeping: An Interactive Dynamic Constraints Solver. - Seyoon Tak; Oh-Young Song; Hyeong-Seok Ko (CA, 2002)

Research Problems for Creating Digital Actors. - Hyeong-Seok Ko; Kwang-Jin Choi; Min Gyu Choi; Seyoon Tak; Byoungwon Choe; Oh-Young Song (Eurographics (State of the Art Reports), 2003)

A physically-based motion retargeting filter. - Seyoon Tak; Hyeong-Seok Ko (ACM Trans. Graph., 2005)