With the fast growth of immersive video sequences, achieving seamless and high-quality compressed 3D content is even more critical. MPEG recently developed a video-based point cloud compression (V-PCC) standard for dynamic point cloud coding. However, reconstructed point clouds using V-PCC suffer from different artifacts, including losing data during pre-processing before applying existing video coding techniques, e.g., High-Efficiency Video Coding (HEVC). Patch generations and self-occluded points in the 3D to the 2D projection are the main reasons for missing data using V-PCC. This paper proposes a new method that introduces overlapping slicing as an alternative to patch generation to decrease the number of patches generated and the amount of data lost. In the proposed method, the entire point cloud has been cross-sectioned into variable-sized slices based on the number of self-occluded points so that data loss can be minimized in the patch generation process and projection. For this, a variable number of layers are considered, partially overlapped to retain the self-occluded points. The proposed method's added advantage is to reduce the bits requirement and to encode geometric data using the slicing base position. The experimental results show that the proposed method is much more flexible than the standard V-PCC method, improves the rate-distortion performance, and decreases the data loss significantly compared to the standard V-PCC method.
Original languageEnglish
Title of host publication2022 International Conference on Digital Image Computing: Techniques and Applications (DICTA)
PublisherIEEE Xplore
Number of pages8
ISBN (Electronic)9781665456425
ISBN (Print)9781665456432
Publication statusPublished - 2022
EventInternational Conference on Digital Image Computing: Techniques and Applications (DICTA 2022) - Rydges World Square, Sydney, Australia
Duration: 30 Nov 202202 Dec 2022
http://dicta2022.dictaconference.org/ (Conference website)
http://dicta2022.dictaconference.org/full_program.html#oral4 (Program)
https://ieeexplore.ieee.org/xpl/conhome/10034558/proceeding (Conference proceedings)
http://dicta2022.dictaconference.org/DICTA%202022%20CFP.pdf (Call for papers)

Publication series

Name2022 International Conference on Digital Image Computing: Techniques and Applications, DICTA 2022


ConferenceInternational Conference on Digital Image Computing
OtherThe International Conference on Digital Image Computing: Techniques and Applications (DICTA) is the main Australian Conference on computer vision, image processing, pattern recognition, and related areas. DICTA was established in 1991 as the premier conference of the Australian Pattern Recognition Society (APRS).
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