digital straightness

Digital Geometry in Pattern Recognition: Extracting Geometric Features with DGtal and Applications
A tutorial on digital geometry and its applications to pattern recognition
Nov 25, 2019 2:45 PM — Nov 26, 2019 6:00 PM Auckland, New Zealand
Bertrand Kerautret, Jacques-Olivier Lachaud
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Digital Geometry in Pattern Recognition: Extracting Geometric Features with DGtal and Applications
Analytical description of digital intersections: Minimal parameters and multiscale representation
The paper contributes to a multiscale theory of digital shapes by presenting novel methods for a multiscale representation of digital …
Mouhammad Said, Jacques-Olivier Lachaud
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Analytical description of digital intersections: Minimal parameters and multiscale representation
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
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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Two efficient algorithms for computing the characteristics of a subsegment of a digital straight line
Digital Shape Analysis with Maximal Segments
We show in this paper how a digital shape can be efficiently analyzed through the maximal segments defined along its digital contour. …
Jacques-Olivier Lachaud
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Digital Shape Analysis with Maximal Segments
Meaningful Thickness Detection On Polygonal Curve
The notion of meaningful scale was recently introduced to detect the amount of noise present along a digital contour (Kerautret and …
B. Kerautret, Jacques-Olivier Lachaud, M. Said
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Meaningful Thickness Detection On Polygonal Curve
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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Computing the Characteristics of a SubSegment of a Digital Straight Line in Logarithmic Time
Delaunay properties of digital straight segments
We present new results concerning the Delaunay triangulation of the set of points of pieces of digital straight lines. More precisely, …
T. Roussillon, Jacques-Olivier Lachaud
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Delaunay properties of digital straight segments
Asymptotic linear digital geometry
Invited talk.
Feb 8, 2011 12:00 AM — 12:00 AM Paris, France
Jacques-Olivier Lachaud
Project Slides (PDF)
Asymptotic linear digital geometry
Asymptotic linear digital geometry and applications
Invited talk.
Feb 8, 2011 12:00 AM — 12:00 AM Perpignan, France
Jacques-Olivier Lachaud
Project Slides (PDF)
Asymptotic linear digital geometry and applications