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Updated: May 10, 2026

Characterization of Anisotropic Leaky Mode Modulators for Holovideo
09:36

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Published on: March 19, 2016

Regional bit allocation and rate distortion optimization for multiview depth video coding with view synthesis

Yun Zhang1, Sam Kwong, Long Xu

  • 1Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China. yunzhang@cityu.edu.hk

IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society
|June 8, 2013
PubMed
Summary

This study introduces a view synthesis distortion model (VSDM) for multiview depth video coding (MDVC). The model optimizes bit allocation, significantly improving coding efficiency and virtual view image quality.

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Last Updated: May 10, 2026

Characterization of Anisotropic Leaky Mode Modulators for Holovideo
09:36

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Published on: March 19, 2016

Area of Science:

  • Computer Vision
  • Video Coding
  • Image Processing

Background:

  • Multiview depth video coding (MDVC) faces challenges in balancing rendering quality and compression efficiency.
  • Existing models do not adequately address the distinct characteristics of different regions within depth maps.

Purpose of the Study:

  • To propose a novel view synthesis distortion model (VSDM) for MDVC.
  • To develop regional bit allocation (RBA) and rate distortion optimization (RDO) algorithms based on the VSDM.
  • To enhance coding efficiency and virtual view image quality in MDVC.

Main Methods:

  • Developed a VSDM to model the relationship between depth distortion and view synthesis distortion.
  • Proposed RBA and RDO algorithms that allocate more bits to color texture areas (CTAD) and fewer to color smooth areas (CSAD).
  • Integrated VSDM-based RBA and RDO into an overall MDVC algorithm.

Main Results:

  • The VSDM-based RBA and RDO significantly improved coding efficiency.
  • The integrated MDVC algorithm achieved 9.99% and 14.51% average bit rate reduction at high and low bit rates, respectively.
  • Virtual view image quality improved by 0.22 and 0.24 dB at high and low bit rates, respectively.

Conclusions:

  • The proposed VSDM effectively models view synthesis distortion in MDVC.
  • The VSDM-based RBA and RDO algorithms offer significant improvements in coding efficiency and image quality.
  • The algorithms are applicable to both INTRA and INTER frames, demonstrating broad utility.