1. CG/Vision Research Section, Content Research Division, Hyper-Reality Metaverse Research Laboratory, Electronics and Telecommunications Research Institute (ETRI), Daejeon, Republic of Korea
2. Department of Digital Contents, Sejong University, Seoul, Republic of Korea
3. Department of Software Convergence, Sejong University, Seoul, Republic of Korea
4. Department of Software, Sejong University, Seoul, Republic of Korea
5. VR/AR Content Research Section, Content Research Division, Hyper-Reality Metaverse Research Laboratory, Electronics and Telecommunications Research Institute (ETRI), Daejeon, Republic of Korea