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Robust estimation of curvature along digital contours with global optimization
Abstract : In this paper we introduce a new curvature estimator based on global optimisation. This method called Global Min-Curvature ex- ploits the geometric properties of digital contours by using local bounds on tangent directions defined by the maximal digital straight segments. The estimator is adapted to noisy contours by replacing maximal seg- ments with maximal blurred digital straight segments. Experimentations on perfect and damaged digital contours are performed and in both cases, comparisons with other existing methods are presented.
keyword :
Curvature estimator
Cited literature [23 references]
https://hal.inria.fr/inria-00345779
Contributor : Bertrand Kerautret Connect in order to contact the contributor
Submitted on : Tuesday, December 9, 2008 - 11:23:27 PM
Last modification on : Monday, October 11, 2021 - 6:16:29 PM
Long-term archiving on: : Monday, June 7, 2010 - 9:28:54 PM
Contributor : Bertrand Kerautret Connect in order to contact the contributor
Submitted on : Tuesday, December 9, 2008 - 11:23:27 PM
Last modification on : Monday, October 11, 2021 - 6:16:29 PM
Long-term archiving on: : Monday, June 7, 2010 - 9:28:54 PM
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