2021 IEEE International Conference on Image Processing

19-22 September 2021 • Anchorage, Alaska, USA

Imaging Without Borders

2021 IEEE International Conference on Image Processing

19-22 September 2021 • Anchorage, Alaska, USA

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Paper Detail

Paper IDCOM-1.8
Paper Title 3D GEOMETRY-BASED GLOBAL MOTION COMPENSATION FOR VVC
Authors Hossein Bakhshi Golestani, Johannes Sauer, Christian Rohlfing, Jens-Rainer Ohm, RWTH Aachen University, Germany
SessionCOM-1: Image and Video Coding
LocationArea H
Session Time:Tuesday, 21 September, 08:00 - 09:30
Presentation Time:Tuesday, 21 September, 08:00 - 09:30
Presentation Poster
Topic Image and Video Communications: Lossy coding of images & video
IEEE Xplore Open Preview  Click here to view in IEEE Xplore
Abstract Since most 2D videos are initially captured in 3D environments, developing 3D motion models for video coding is beneficial. This paper introduces a method for extracting 3D geometry data from 2D videos and synthesizing 3D-based virtual Reference Pictures (RPs). These novel RPs are offered to the Versatile Video Coding (VVC) encoder for use in motion compensation. The proposed method generates 3D geometry data in the form of 3D meshes at the encoder and transmits it to the decoder as an overhead bitstream. However, this overhead could eat up the whole coding gain or even make it worse than the anchor VVC. This paper solves this problem by employing 3D mesh processing techniques, e.g., mesh de-noising, mesh decimation, and mesh compression. Simulation results show that the proposed method outperforms VVC up to ~3.8%.