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Article

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Title

Immersive video postprocessing for efficient video coding

Authors

[ 1 ] Instytut Telekomunikacji Multimedialnej, Wydział Informatyki i Telekomunikacji, Politechnika Poznańska | [ P ] employee

Scientific discipline (Law 2.0)

[2.3] Information and communication technology

Year of publication

2023

Published in

IEEE Transactions on Circuits and Systems for Video Technology

Journal year: 2023 | Journal volume: vol. 33 | Journal number: iss. 8

Article type

scientific article

Publication language

english

Keywords
EN
  • immersive video coding
  • MPEG immersive video
  • video processing
Abstract

EN This paper describes two methods for increasing the efficiency of the MPEG Immersive Video (MIV) coding standard. The methods manipulate the MIV-formatted atlas videos by considering the coding principles of the widely used video encoders, enhancing the encoding efficiency for the immersive video content. The first method, patch average color modification removes the constant component of all YCbCr components of each patch within atlases, resulting in the reduction of the number and magnitude of edges within a texture atlas video. The second proposed method changes the dynamic range of the geometry (depth) atlas, adapting to the quality of input depth maps. Both methods proposed by the authors of this paper were included into the Test Model for MPEG Immersive Video (TMIV), which is the reference implementation of the MIV codec. Moreover, the metadata syntax relating to the first proposed method was adopted to the ISO/IEC 23090-12 standard.

Pages (from - to)

4349 - 4361

DOI

10.1109/TCSVT.2023.3243381

URL

https://ieeexplore.ieee.org/document/10040693

Ministry points / journal

140

Impact Factor

8,3

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