digital geometry

Combinatorial pyramids and discrete geometry for energy-minimizing segmentation
This paper defines the basis of a new hierarchical framework for segmentation algorithms based on energy minimization schemes. This …
M. Braure de Calignon, L. Brun, Jacques-Olivier Lachaud
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Combinatorial pyramids and discrete geometry for energy-minimizing segmentation
Convex shapes and convergence speed of discrete tangent estimators
Discrete geometric estimators aim at estimating geometric characteristics of a shape with only its digitization as input data. Such an …
Jacques-Olivier Lachaud, F. de Vieilleville
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Convex shapes and convergence speed of discrete tangent estimators
FOGRIMMI

FOuille de GRandes IMages MIcroscopiques

(ANR project ANR-06-MDCA-0008)

Nov. 2006 - Oct. 2010

Team leader LaBRI/LAMA

website
FOGRIMMI
GeoDIB

Géométrie des Objets Discrets Bruités

(ANR project ANR-06-BLANC-0225)

Nov. 2006 - May. 2011

Team leader LaBRI/LAMA

website
GeoDIB
Revisiting Digital Straight Segment Recognition
This paper presents new results about digital straight segments, their recognition and related properties. They come from the study of …
F. de Vieilleville, Jacques-Olivier Lachaud
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Revisiting Digital Straight Segment Recognition
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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Analysis and comparative evaluation of discrete tangent estimators
Maximal digital straight segments and convergence of discrete geometric estimators
Discrete geometric estimators approach geometric quantities on digitized shapes without any knowledge of the continuous shape. A …
F. de Vieilleville, Jacques-Olivier Lachaud, F. Feschet
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Maximal digital straight segments and convergence of discrete geometric estimators