NDLI: Local Stereo Matching with Improved Matching Cost and Disparity Refinement

Content Provider	IEEE Xplore Digital Library
Author	Jianbo Jiao Ronggang Wang Wenmin Wang Shengfu Dong Zhenyu Wang Wen Gao
Copyright Year	1994
Abstract	Recent local stereo matching methods have achieved comparable performance with global methods. However, the final disparity map still contains significant outliers. In this article, the authors propose a local stereo matching method that employs a new combined cost approach and a secondary disparity refinement mechanism. They formulate combined cost using a modified color census transform and truncated absolute differences of color and gradients. They also use symmetric guided filter for cost aggregation. Unlike in traditional stereo matching, they propose a novel secondary disparity refinement to further remove the remaining outliers. Experimental results on the Middlebury benchmark show that their method ranks fifth out of 153 submitted methods, and it's the best cost-volume filtering-based local method. Experiments on real-world sequences and depth-based applications also validate the proposed method's effectiveness.
Sponsorship	IEEE Computer Society
Starting Page	16
Ending Page	27
Page Count	12
File Size	7263617
File Format	PDF
ISSN	1070986X
Volume Number	21
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image color analysis Stereo vision Transforms Radar Image edge detection Benchmark testing Research and development disparity refinement multimedia stereo matching matching cost
Content Type	Text
Resource Type	Article
Subject	Signal Processing Computer Science Applications Software Hardware and Architecture Media Technology

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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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