Chen-Chieh Liao is a Ph.D. student from 2022 at the School of Computing, Tokyo Institute of Technology, Japan. He received his B.E. and M.S. degrees from the Tokyo Institute of Technology in 2020 and 2022. He is a young research fellow of the Japan Society for the Promotion of Science (JSPS) since 2023. Hi is a joint researcher at Keio University from 2023. His research interests lie primarily in human-computer interaction, mixed/augmented reality, and machine vision.