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Distance-based weighted prediction for Adaptive Intra Mode Bit Skip in H.264/AVC

  • Lai-Man Po*
  • , Liping Wang
  • , Kwok-Wai Cheung
  • , Ka-Man Wong
  • , Ka-Ho Ng
  • , Shenyuan Li
  • , Chi-Wang Ting
  • *Corresponding author for this work

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

Adaptive Intra Mode Bit Skip (AIMBS) technique using boundary pixels smoothness has been shown to achieve coding efficiency improvement for H.264/AVC's Intra-4×4 coding in relatively large QPs. However, the DC mode in the Multiple-Prediction of the AIMBS becomes much less effective. To tackle this problem and further improve the coding efficiency, distance-based weighted prediction (DWP) is proposed to replace DC mode in Multiple-Prediction for predicting blocks without directional preferences. The proposed method is named as AIMBS-DWP that can enhance the robustness of AIMBS in much larger range of QPs and achieve higher rate-distortion performance. Experimental results show that an average bitrate reduction of 3.79% with lower computational requirement can be obtained by AIMBS-DWP as compared with H.264/AVC. The improvement is especially obvious in high visual quality configurations with small QPs. © 2010 IEEE.
Original languageEnglish
Title of host publicationProceedings - International Conference on Image Processing, ICIP
Pages2869-2872
DOIs
Publication statusPublished - 2010
Event2010 17th IEEE International Conference on Image Processing, ICIP 2010 - Hong Kong, Hong Kong, China
Duration: 26 Sept 201029 Sept 2010

Publication series

Name
ISSN (Print)1522-4880

Conference

Conference2010 17th IEEE International Conference on Image Processing, ICIP 2010
PlaceHong Kong, China
CityHong Kong
Period26/09/1029/09/10

Research Keywords

  • H.264/AVC
  • Intra prediction
  • Mode bit skip
  • Video coding
  • Weighted prediction

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