parameter-free estimator

Digital Plane Recognition with Fewer Probes
We present a new plane-probing algorithm, i.e., an algorithm that computes the normal vector of a digital plane from a starting point …
T. Roussillon, Jacques-Olivier Lachaud
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Digital Plane Recognition with Fewer Probes
Two Plane-Probing Algorithms for the Computation of the Normal Vector to a Digital Plane
Digital planes are sets of integer points located between two parallel planes. We present a new algorithm that computes the normal …
Jacques-Olivier Lachaud, X. Provençal, T. Roussillon
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Two Plane-Probing Algorithms for the Computation of the Normal Vector to a Digital Plane
Parameter-Free and Multigrid Convergent Digital Curvature Estimators
In many geometry processing applications, the estimation of differential geometric quantities such as curvature or normal vector field …
J. Levallois, D. Coeurjolly, Jacques-Olivier Lachaud
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Parameter-Free and Multigrid Convergent Digital Curvature Estimators
Accurate Curvature Estimation along Digital Contours with Maximal Digital Circular Arcs
We propose in this paper a new curvature estimator based on the set of maximal digital circular arcs. For strictly convex shapes with …
T Roussillon, Jacques-Olivier Lachaud
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Accurate Curvature Estimation along Digital Contours with Maximal Digital Circular Arcs
Fast, Accurate and Convergent Tangent Estimation on Digital Contours
This paper presents a new tangent estimator to digitized curves based on digital line recognition. It outperforms existing ones on …
Jacques-Olivier Lachaud, A. Vialard, F. de Vieilleville
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Fast, Accurate and Convergent Tangent Estimation on Digital Contours