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Early Determination for Intra Block Copy Prediction with Refined Screen Content Detection

  • Zhenhao Sun*
  • , Meng Wang
  • , Yingwen Zhang
  • , Shiqi Wang
  • , Sam Kwong
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The intra block copy (IBC) mode introduced can significantly improve the coding efficiency for screen content. However, with the mixed content, the coding performance improvement of IBC is limited and while also introducing the increases of the coding complexity. This paper proposes an early determination scheme for IBC prediction to reduce the encoding complexity over mixed content sequences containing captured content regions. Our method is based on a refined CTU-level screen content detection method, which can better distinguish screen content in mixed scenes. Experimental results show that the proposed method reduces encoding complexity with moderate coding performance loss on mixed content sequences.

Original languageEnglish
Title of host publication2024 IEEE International Conference on Visual Communications and Image Processing, VCIP 2024
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798331529543
DOIs
StatePublished - 2024
Externally publishedYes
Event2024 IEEE International Conference on Visual Communications and Image Processing, VCIP 2024 - Tokyo, Japan
Duration: 8 Dec 202411 Dec 2024

Publication series

Name2024 IEEE International Conference on Visual Communications and Image Processing, VCIP 2024

Conference

Conference2024 IEEE International Conference on Visual Communications and Image Processing, VCIP 2024
Country/TerritoryJapan
CityTokyo
Period8/12/2411/12/24

Keywords

  • encoder optimization
  • H.266/VVC
  • intra block copy
  • screen content
  • text detection

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