Počet záznamů: 1

Colour and rotation invariant textural features based on Markov random fields

  1. 1.
    0357314 - UTIA-B 2011 RIV NL eng J - Článek v odborném periodiku
    Vácha, Pavel - Haindl, Michal - Suk, Tomáš
    Colour and rotation invariant textural features based on Markov random fields.
    Pattern Recognition Letters. Roč. 32, č. 6 (2011), s. 771-779 ISSN 0167-8655
    Grant CEP: GA MŠk 1M0572; GA ČR GA102/08/0593
    Grant ostatní: GA MŠk(CZ) 2C06019
    Výzkumný záměr: CEZ:AV0Z10750506
    Klíčová slova: Image modelling * colour texture * Illumination invariance * Markov random field * rotation invariance
    Kód oboru RIV: BD - Teorie informace
    Impakt faktor: 1.034, rok: 2011
    http://library.utia.cas.cz/separaty/2011/RO/vacha-0357314.pdf http://library.utia.cas.cz/separaty/2011/RO/vacha-0357314.pdf

    A visual appearance of natural materials significantly depends on acquisition circumstances, particularly illumination conditions and viewpoint position, whose variations cause difficulties in the analysis of real scenes. We address this issue with novel texture features, based on fast estimates of Markovian statistics, that are simultaneously rotation and illumination invariant. The proposed features are invariant to inplane material rotation and illumination spectrum (colour invariance), they are robust to local intensity changes (cast shadows) and illumination direction. No knowledge of illumination conditions is required and recognition is possible from a single training image per material. The material recognition is tested on the currently most realistic visual representation – Bidirectional Texture Function (BTF), using CUReT and ALOT texture datasets with more than 250 natural materials.
    Trvalý link: http://hdl.handle.net/11104/0195620