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    Reliability measure for propagation-based stereo matching

    Gales, Guillaume and Chambon, Sylvie and Crouzil, Alain and McDonald, John (2012) Reliability measure for propagation-based stereo matching. In: 13th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS), 2012. IEEE, pp. 1-4. ISBN 9781467307918

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    Seed propagation-based stereo matching can help to reduce ambiguity occuring when a pixel from one image has different putative correspondents in the other one due to difficult areas (repetitive patterns, homogeneous areas, occlusions and depth discontinuities). They rely on previously computed matches (seeds) to reduce the size of the search area, and thus the number of candidates. One approach of these iterative methods selects the “best” seed at each iteration to prevent the propagation of errors. However, little attention has been brought to this best-first selection criterion for which a correlation score is usually employed. This value itself does not consider any ambiguity and is not well-suited to select the most reliable seed. Therefore, in this paper we introduce a reliability measure. It has the advantage of taking into account information from the other candidates, and leads, according to the provided experimental evaluation, to better results than the correlation score alone.

    Item Type: Book Section
    Keywords: stereo image processing; image matching; iterative methods; reliability;
    Academic Unit: Faculty of Science and Engineering > Computer Science
    Item ID: 8313
    Identification Number:
    Depositing User: John McDonald
    Date Deposited: 12 Jun 2017 16:14
    Publisher: IEEE
    Refereed: Yes
    Funders: Science Foundation Ireland
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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