All posts by jlach

Meeting T38 – LIGM

The 7th meeting of CoMeDiC project will take place on January 14th and 15th 2019. It is organized by the LIGM at ESIEE Paris, Marne-la-Vallée.

  • T. Roussillon: Survey “Discrete Laplace operators: No Free Lunch, Wardeyzky et al 2007”, “Perfect Laplacians for Polygon Meshes,Herholz et al 2015”, “Discrete Complex Structure on Surfel Surfaces, C. Mercat 2008”.
  • L. Najman: Morphological Data Analysis
  • B. Buet: Approximation de surface et varifolds (PDF)
  • P. Roussillon: Defining kernel distances on normal cycles (PDF)
  • D. Coeurjolly: SPOT : Sliced Partial Optimal Transport

CIRM conference

We will organize a 5-days conference at the CIRM (Luminy, France) on Digital Geometry and Discrete Variational Calculus, during the week June 22nd – 26th, 2020. More information soon…

Meeting T30 – LIRIS

The 6th meeting of CoMeDiC project will take place on July 9th and 10th 2018. It is organized by the LIRIS in Lyon (Nautibus building).

  • T. Caissard: Convergent Laplace-Beltrami operator on digital surfaces
  • Y. Gérard: Bijective transformation in the discrete grid using optimal transport
  • D. Antunes: Introducing curvature priors into discrete variational image segmentation problems
  • D. Coeurjolly: Mumford-Shah mesh processing
  • N. Bonneel: Unbalanced discrete optimal transport

Meeting T18 – LAMA

The fourth meeting of CoMeDiC project took place from June 12th to June 16th 2017 at Escandille (Autrans). Some talks were planned but mostly a lot of time was alloted for group works and discussions.

  • Talks
    • P. Romon (with B. Thibert and J.-O. Lachaud): Grassmanian currents and Lipschitz-Killing forms for curvature estimation on digital surfaces.
    • D. Martins Antunes: Study of Energy minimizing techniques with curvature priors in image segmentation.
    • D. Bucur (with B. Bogosel and I. Fragalà): Phase field approach to optimal packing problems and related Cheeger clusters
    • J.-O. Lachaud: Discrete calculus on digital surfaces with non-diagonal Hodge star
    • T. Roussillon: Laplacian operator on digital contours in linear time
    • P. Gueth (with D. Coeurjolly and J.-O. Lachaud): Digital surface regularization by normal vector field alignment
    • T. Caissard (with D. Coeurjolly and J.-O. Lachaud and T. Roussillon): Heat kernel Laplace-Beltrami operator on digital surfaces
    • D. Coeurjolly: Automatic differentiation
    • B. Thibert: Geometric inference, distance functions, normal cycle
    • B. Velichkov: Honeycomb conjectures on convex sets

Meeting T12 – LIGM

The third meeting of CoMeDiC project will take place on December 13rd and 14th  2016 at LIGM.

  • Talks (Tuesday)
    • MF: Image Restoration and Segmentation using the Ambrosio-Tortorelli Functiional and Discrete Calculus
    • TC: Heat-Kernel Laplace-Beltrami operator for digital surfaces
  • Talks (Wednesday)
    • YG: Around lonely runner conjecture
    • PG: Normal Vector Field Approximation and  Surface Regularization
    • LN: Power Watershed, Gamma convergence et spectral clustering
  • PhD Thesis of N. Boutry: A study of well-composedness in nD
  • Workgroups

Meeting T6 – LAMA

The second meeting of CoMeDiC project will take place on March 30th and 31st 2016. Schedule :

  • Talks
    • HT: discrete variational methods in image analysis
    • DC: digital geometric estimators
    • JOL: Properties of Gauss digitization and digital surface integrals
    • TC: toward a digital Laplacian
  • Workgroups