Fast wedgelet pattern decision for DMM in 3D-HEVC

Chang Hong Fu, Hong Bin Zhang, Wei Min Su, Sik Ho Tsang, Yui Lam Chan

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

27 Citations (Scopus)

Abstract

3D-HEVC is in the process of standardization as the highest profile extension of HEVC for 3D video coding, which supports the advanced 3D video format, namely multi-view videos plus depth (MVD). In order to preserve the sharp edges and avoid the ringing artifacts in the synthesized views, depth modelling modes (DMMs) are adopted into 3D-HEVC to achieve high coding efficiency. However, the computational complexity increases significantly with these modes. In this paper, an efficient algorithm of wedgelet pattern decision is proposed for one type of the DMMs: the explicit wedgelet signaling or equivalently DMM1. The proposed algorithm roughly estimates the position of sharp edges by pre-defined regions. Then the optimal wedgelet pattern is only searched in the most probable region. Simulation results show that our algorithm saves about 55% time of the wedgelet pattern selection with the BD-Rate increased by 0.49% in average.
Original languageEnglish
Title of host publication2015 IEEE International Conference on Digital Signal Processing, DSP 2015
PublisherIEEE
Pages477-481
Number of pages5
Volume2015-September
ISBN (Electronic)9781479980581
DOIs
Publication statusPublished - 9 Sep 2015
EventIEEE International Conference on Digital Signal Processing, DSP 2015 - Singapore, Singapore
Duration: 21 Jul 201524 Jul 2015

Conference

ConferenceIEEE International Conference on Digital Signal Processing, DSP 2015
CountrySingapore
CitySingapore
Period21/07/1524/07/15

Keywords

  • 3D-HEVC
  • depth intra coding
  • multi-view video plus depth
  • rough mode decision
  • wedgelet pattern

ASJC Scopus subject areas

  • Signal Processing

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