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Affine Moment Invariants of Vector Fields

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    0495873 - ÚTIA 2019 RIV US eng C - Conference Paper (international conference)
    Kostková, Jitka - Suk, Tomáš - Flusser, Jan
    Affine Moment Invariants of Vector Fields.
    Proceedings of the 25th IEEE International Conference on Image Processing 2018. Piscataway: IEEE, 2018, s. 1338-1342. ISBN 978-1-4799-7062-9.
    [IEEE International Conference on Image Processing 2018 (ICIP 2018) /25./. Atény (GR), 07.10.2018-10.10.2018]
    R&D Projects: GA ČR GA18-07247S
    Institutional support: RVO:67985556
    Keywords : Vector field * total transformation * affine invariants * template matching * vector field moments
    OECD category: Computer hardware and architecture
    http://library.utia.cas.cz/separaty/2018/ZOI/kostkova-0495873.pdf

    Vector field (VF) is a special kind of multidimensional data. In each pixel, VF contains information about the direction and themagnitude of themeasured quantity. To detect the patterns of interest in the field, special matching methods must be developed. We propose a method for the description and matching of VF patterns under an unknown affine transformation of the field. Unlike digital images, transformations of VFs act not only on the spatial coordinates but also on the field values, which makes the detection different. To measure the similarity between the template and the field patch, we propose original invariants with respect to affine transformation designed from moments. Their performance is demonstrated by experiments on real data from fluid mechanics.
    Permanent Link: http://hdl.handle.net/11104/0288948

     
     
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