NDLI: Faster mode determination algorithm using mode correlation for multi-view video coding

Content Provider	IET Digital Library
Author	Lee, Pei Jun Lin, Ho Ju Kuo, Kuei Ting
Abstract	Multi-view video coding with a hierarchical B picture structure utilises intra-view and inter-view predictions to reduce the quantity of redundant information. The optimal coding mode is determined by exhaustively searching through all possible partition modes; however, a high degree of computational complexity is involved in such exhaustive searches. In this study, the authors statistically analyse the coding mode distribution in inter-view and intra-view and propose a fast mode decision algorithm to select the optimal mode in terms of rate–distortion optimisation. The probability density function of the rate-distortion cost and the degree of the homogeneity in motion are set as the multi-threshold in the algorithm to determine the optimal mode for base view coding. For the multi-view coding, the correlation of the modes in neighbouring views with similar regions is utilised to select the coding mode from the inter-view or intra-view predictions. The experimental results show that the encoding time for the base view and the multi-view is reduced by up to 85 and 69%, respectively, and the quality of the reconstructed video is nearly unchanged.
Starting Page	565
Ending Page	578
Page Count	14
ISSN	17519675
Volume Number	8
e-ISSN	17519683
Issue Number	Issue 5, Jul (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-spr/8/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-spr.2012.0286
Journal	IET Signal Processing
Publisher Date	2014-01-14
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Base View Coding Computational Complexity Computer Vision And Image Processing Technique Correlation Method Fast Mode Decision Algorithm Hierarchical B Picture Structure Homogeneity Degree Image And Video Coding Image Reconstruction Interview Predictions Intra-view Predictions Mode Correlation Mode Determination Algorithm Multi-threshold Mode Multiview Video Coding Optimal Coding Mode Optimisation Optimisation Technique Partition Mode Probability Density Function Rate-distortion Optimisation Video Coding Video Reconstruction Video Signal Processing
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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