NDLI: Multiview video coding based on rectified epipolar lines

Content Provider	IEEE Xplore Digital Library
Author	Jie Yang Guang Jiang Lei Zhang Geng Zhang Chengke Wu
Copyright Year	2009
Description	Author affiliation: ISN National Key Lab, School of Telecommunication Engineering, Xidian University, Xi'an 710071, P.R. China (Jie Yang; Guang Jiang; Lei Zhang; Geng Zhang; Chengke Wu)
Abstract	Fast and efficient disparity estimation and compensation are the key techniques in multi-view video processing. When implementing multi-view video coding, there are lots of temporal and inter-viewpoint redundancy among viewpoints, which makes the compression work more challenging. It is found that the inter-viewpoint relationship is subject to the epipolar geometry, which provides constraints between the two image sequences of multi-view video. To efficiently encode data-intensive multi-view imaging content, a fast disparity estimation (DE) search method is proposed in this paper based on the rectified epipolar lines. Theoretical analysis and experimental results prove that the proposed disparity estimation search method can efficiently confine the search range in the process of disparity estimation. Our algorithm can reconstruct images with similar quality compared with the full search and the TZ fast search methods in JMVC (Joint Multi-view Video Coding), but the total encoding time is reduced by 30% and 40% respectively.
Starting Page	1
Ending Page	5
File Size	629882
Page Count	5
File Format	PDF
ISBN	9781424446568
DOI	10.1109/ICICS.2009.5397583
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-08
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Video coding Motion estimation Geometry Search methods Video compression Image coding Encoding Cameras Switches Redundancy H.264/AVC epipolar geometry disparity estimationMulti-view video coding
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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