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  • V-PCC component synchronization for point cloud reconstruction

Research Area

Author

  • Danillo Graziosi, Ali Tabatabai, Vladyslav Zakharchenko*, Alexandre Zaghetto

Company

  • Sony Corporation of America

Venue

  • MMSP

Date

  • 2020

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V-PCC component synchronization for point cloud reconstruction

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Abstract

For a V-PCC 1 system to be able to reconstruct a single instance of the point cloud one V-PCC unit must be transferred to the 3D point cloud reconstruction module. It is however required that all the V-PCC components i.e. occupancy map, geometry, atlas and attribute to be temporally aligned. This, in principle, could pose a challenge since the temporal structures of the decoded sub-bitstreams are not coherent across V-PCC sub-bitstreams. In this paper we propose an output delay adjustment mechanism for the decoded V-PCC sub-bitstreams to provide synchronized V-PCC components input to the point cloud reconstruction module.

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