Edge detection by selection of pieces of level lines

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dc.contributor	Universitat Pompeu Fabra
dc.contributor.author	Meinhardt Llopis, Enric
dc.date	2008
dc.identifier.citation	Meinhardt-Llopis E. Edge detection by selection of pieces of level lines. In: 15th IEEE International Conference on Image Processing. ICIP 2008; 2008 Oct 12-15; San Diego, USA. [S.l.]: IEEE; c2008. p. 613-616
dc.identifier.citation	http://dx.doi.org/10.1109/ICIP.2008.4711829
dc.identifier.uri	http://hdl.handle.net/10230/16203
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	© 2008 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works./nThe final published article can be found at http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4711829
dc.subject	Imatges -- Processament -- Tècniques digitals -- Congressos
dc.subject	Imatges tridimensionals -- Congressos
dc.subject	Visualització tridimensional (Informàtica) -- Congressos
dc.subject	Edge detection
dc.subject	Canny
dc.subject	Computational/nGestalt
dc.title	Edge detection by selection of pieces of level lines
dc.type	info:eu-repo/semantics/conferenceObject
dc.type	info:eu-repo/semantics/acceptedVersion
dc.description.abstract	We propose an edge detector based on the selection of well/ncontrasted pieces of level lines, following the proposal of/nDesolneux-Moisan-Morel (DMM) [1]. The DMM edge detector/nhas the problem of over-representation, that is, every/nedge is detected several times in slightly different positions./nIn this paper we propose two modifications of the original/nDMM edge detector in order to solve this problem. The first/nmodification is a post-processing of the output using a general/nmethod to select the best representative of a bundle of curves./nThe second modification is the use of Canny’s edge detector/ninstead of the norm of the gradient to build the statistics. The/ntwo modifications are independent and can be applied separately./nElementary reasoning and some experiments show/nthat the best results are obtained when both modifications are/napplied together.

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