Počet záznamů: 1

Dynamic texture as foreground and background

  1. 1.
    0345450 - UTIA-B 2012 RIV DE eng J - Článek v odborném periodiku
    Chetverikov, D. - Fazekas, S. - Haindl, Michal
    Dynamic texture as foreground and background.
    Machine Vision and Applications. Roč. 22, č. 5 (2011), s. 741-750 ISSN 0932-8092
    Grant CEP: GA ČR GA102/08/0593
    GRANT EU: European Commission(XE) 507752 - MUSCLE
    Výzkumný záměr: CEZ:AV0Z10750506
    Klíčová slova: Dynamic texture * Optical flow * SVD
    Kód oboru RIV: BD - Teorie informace
    Impakt faktor: 1.009, rok: 2011
    http://library.utia.cas.cz/separaty/2011/RO/haindl-0345450.pdf http://library.utia.cas.cz/separaty/2011/RO/haindl-0345450.pdf

    Depending on application, temporal texture can be viewed as either foreground or background. We address two related problems: finding regions of dynamic texture in a video and detecting moving targets in a dynamic texture. We propose efficient and fast methods for both cases. The methods can be potentially used in real-time applications of machine vision. First, we show how the optical flow residual can be used to find dynamic texture in video. The algorithm is a practical, real-time simplification of the sophisticated and powerful but time-consuming method (Fazekas et al. in Int J Comput Vis 82:48–63, 2009). We give numerous examples of detecting and segmenting fire, smoke, water and other dynamic textures in real-world videos acquired by static and moving cameras. Then we apply the singular value decomposition (SVD) to a temporal data window in a video to detect targets in dynamic texture via the residual of the largest singular value.
    Trvalý link: http://hdl.handle.net/11104/0186722