Acknowledgement
This work was partly supported by Institute of Information & communications Technology Planning & Evaluation (IITP) grant funded by the Korea government (MSIT) (No. 2020-0-00452, Development of Adaptive Viewer-centric Point cloud AR/VR(AVPA) Streaming Platform, 50%) and National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2019R1F1A1061737, Basic Research of Pre- and Post-Processing Technologies of Point Cloud Compression, 50%)