Ranking orientation responses of path operators: Motivations, choices and algorithmics

Abstract : A new morphological operator, namely RORPO (Ranking Orientation Responses of Path Operators), was recently introduced as a semi-global, morphological alternative to the local, Hessian-based operators for thin structure filtering in 3D images. In this context, a previous study has already provided experimental proof of its relevance by comparison to such differential operators. In this article, we present a methodological study of RORPO, which completes the presentation of this new morphological filter. In particular, we expose the motivations of RORPO with respect to previous morphological strategies; we present algo-rithmic developments of this filter and the underlying robust path operator; and we discuss computational issues related to parametricity and time efficiency. We conclude this study by a discussion on the methodological and applicative potentiality of RORPO in various fields of image processing and analysis.
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Odyssée Merveille, Hugues Talbot, Laurent Najman, Nicolas Passat. Ranking orientation responses of path operators: Motivations, choices and algorithmics. International Symposium on Mathematical Morphology (ISMM), 2015, Reykjavik, Iceland. Springer, 9082, pp.633-644, 2015, Lecture Note In Computer Sciences. 〈10.1007/978-3-319-18720-4_53〉. 〈hal-01168732〉

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