by 후천위안(Chen Yuan Hu), 안병진(Byung Jin An), 이병국(Byoung Gook Lee)
Published in 멀티미디어학회논문지 (2021)

by 김상지(Sang Ji Kim), 황용현(Yong Hyeon Hwang), 이병국(Byoung Gook Lee), 이준재(Joon Jae Lee)
Published in 멀티미디어학회논문지 (2007)