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Pattern Recognition, Recent Advances

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    0343263 - ÚTIA 2011 RIV HR eng M - Část monografie knihy
    Vácha, Pavel - Haindl, Michal
    Illumination Invariants Based on Markov Random Fields.
    Pattern Recognition, Recent Advances. Vukovar, Croatia: In-Teh, 2010 - (Herout, A.), s. 253-272. ISBN 978-953-7619-90-9
    Grant CEP: GA MŠMT 1M0572; GA ČR GA102/08/0593
    Grant ostatní: GA MŠk(CZ) 2C06019
    Výzkumný záměr: CEZ:AV0Z10750506
    Klíčová slova: illumination invariants * textural features * Markov random fields
    Kód oboru RIV: BD - Teorie informace
    http://library.utia.cas.cz/separaty/2010/RO/vacha-illumination invariants based on markov random fields.pdf

    Content-based image retrieval systems (CBIR) typically query large image databases based on some automatically generated colour and textural features. Optimal robust features should be geometry and illumination invariant. Although image retrieval has been an active research area for many years this difficult problem is still far from being solved. We introduce fast and robust textural features that allow retrieving images with similar scenes comprising colour textured objects viewed with different illumination. The proposed textural features that are invariant to illumination spectrum and extremely robust to illumination direction. They require only a single training image per texture and no knowledge of illumination direction, brightness or spectrum. These feature utilises utilise illumination invariant features extracted from three different Markov random field (MRF) based texture representations.
    Trvalý link: http://hdl.handle.net/11104/0185780

     
     
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