%0 Book Section %T Linear Radial Patterns Characterization for Automatic Detection of Tonic Intestinal Contractions %A Fernando Vilariño %A Panagiota Spyridonos %A Jordi Vitria %A Carolina Malagelada %A Petia Radeva %E .F. Mart ́ınez-Trinidad et al %B 11th Iberoamerican Congress on Pattern Recognition %D 2006 %V 4225 %I Springer Verlag %C Berlin Heidelberg %F Fernando Vilariño2006 %O MV;OR;MILAB;SIAI %O exported from refbase (http://refbase.cvc.uab.es/show.php?record=728), last updated on Thu, 04 Jul 2024 09:38:22 +0200 %X This work tackles the categorization of general linear radial patterns by means of the valleys and ridges detection and the use of descriptors of directional information, which are provided by steerable filters in different regions of the image. We successfully apply our proposal in the specific case of automatic detection of tonic contractions in video capsule endoscopy, which represent a paradigmatic example of linear radial patterns. %U http://refbase.cvc.uab.es/files/VSB2006f.pdf %U http://dx.doi.org/10.1007/11892755_18 %P 178–187