Jacques-Olivier Lachaud
Jacques-Olivier Lachaud
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discrete geometry
Two efficient algorithms for computing the characteristics of a subsegment of a digital straight line
We address the problem of computing the exact characteristics of any subsegment of a Digital Straight Line (DSL) with known …
Jacques-Olivier Lachaud
,
M. Said
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Computing the Characteristics of a SubSegment of a Digital Straight Line in Logarithmic Time
We address the problem of computing the exact characteristics of any subsegment of a digital straight line with known characteristics. …
M. Said
,
Jacques-Olivier Lachaud
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Curvature estimation along noisy digital contours by approximate global optimization
In this paper, we introduce a new curvature estimator along digital contours, which we called global min-curvature (GMC) estimator. As …
B. Kerautret
,
Jacques-Olivier Lachaud
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Robust estimation of curvature along digital contours with global optimization
In this paper we introduce a new curvature estimator based on global optimisation. This method called Global Min-Curvature exploits the …
B. Kerautret
,
Jacques-Olivier Lachaud
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Poster (PDF)
Analysis and comparative evaluation of discrete tangent estimators
This paper presents a comparative evaluation of tangent estimators based on digital line recognition on digital curves. The comparison …
Jacques-Olivier Lachaud
,
A. Vialard
,
F. de Vieilleville
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Geometric measures on arbitrary dimensional digital surfaces
This paper proposes a set of tools to analyse the geometry of multidimensional digital surfaces. Our approach is based on several works …
Jacques-Olivier Lachaud
,
A. Vialard
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