by 이경환(Kyeong-Hwan Lee), 배성호(Sung-Ho Bae)
Published in 한국콘텐츠학회 종합학술대회 논문집 (2009)

by 이경환(Kyeong Hwan Lee), 류권열(Kwon Yeol Ryu), 최정현(Jung Hyun Choi)
Published in 멀티미디어학회논문지 (2003)

by 이경환(Kyeong-Hwan Lee), 정영훈(Young-Hoon Joung), 황희철(Hee-Chul Hwang)
Published in 멀티미디어학회논문지 (2003)

by 정원교(Won-Kyo Jeong), 이경환(Kyeong-Hwan Lee), 이용두(Yong-Doo Lee)
Published in 멀티미디어학회논문지 (2004)

by Kyeong Hwan Lee(이경환), Kwon Yeol Ryu(류권열)
Published in 멀티미디어학회논문지 (2002)