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IEICE TRANSACTIONS on Fundamentals

A Novel Fast Intra Prediction Scheme for Depth-Map in 3D High Efficiency Video Coding

Mengmeng ZHANG, Shenghui QIU, Huihui BAI

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Summary :

The development of 3D High Efficiency Video Coding (3D-HEVC) has resulted in a growing interest in the compression of depth-maps. To achieve better intra prediction performance, the Depth Modeling Mode (DMM) technique is employed as an intra prediction technique for depth-maps. However, the complexity and computation load have dramatically increased with the application of DMM. Therefore, in view of the limited colors in depth-maps, this paper presents a novel fast intra coding scheme based on Base Colors and Index Map (BCIM) to reduce the complexity of DMM effectively. Furthermore, the index map is remapped, and the Base Colors are coded by predictive coding in BCIM to improve compression efficiency. Compared with the intra prediction coding in DMM, the experimental results illustrate that the proposed scheme provides a decrease of approximately 51.2% in the intra prediction time. Meanwhile, the BD-rate increase is only 0.83% for the virtual intermediate views generated by Depth-Image-Based Rendering.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E97-A No.7 pp.1635-1639
Publication Date
2014/07/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E97.A.1635
Type of Manuscript
LETTER
Category
Coding Theory

Authors

Mengmeng ZHANG
  North China University of Technology
Shenghui QIU
  North China University of Technology
Huihui BAI
  Beijing Jiaotong University

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