Jean-Baptiste Bellet

32
Documents

Présentation

Publications

Publications

Deposit thumbnail

Spherical Harmonics collocation: A computational intercomparison of several grids

Jean-Baptiste Bellet , Matthieu Brachet , Jean-Pierre Croisille

Numerical Algorithms, 2025, ⟨10.1007/s11075-025-02170-1⟩

Article dans une revue hal-04895616v1
Deposit thumbnail

A discrete Funk transform on the Cubed Sphere

Jean-Baptiste Bellet

Journal of Computational and Applied Mathematics, 2023, 429, ⟨10.1016/j.cam.2023.115205⟩

Article dans une revue hal-03820075v2
Deposit thumbnail

Least Squares Spherical Harmonics Approximation on the Cubed Sphere

Jean-Baptiste Bellet , Jean-Pierre Croisille

Journal of Computational and Applied Mathematics, 2023, 429, pp.115213. ⟨10.1016/j.cam.2023.115213⟩

Article dans une revue hal-03788836v1
Deposit thumbnail

Symmetry group of the equiangular cubed sphere

Jean-Baptiste Bellet

Quarterly of Applied Mathematics, 2022, 80, pp.69-86

Article dans une revue hal-03071135v2
Deposit thumbnail

Quadrature and symmetry on the Cubed Sphere

Jean-Baptiste Bellet , Matthieu Brachet , Jean-Pierre Croisille

Journal of Computational and Applied Mathematics, 2022, 409, ⟨10.1016/j.cam.2022.114142⟩

Article dans une revue hal-03223150v1
Deposit thumbnail

Heuristic imaging from generic projections : backprojection outside the range of the Radon transform

Jean-Baptiste Bellet , Gérard Berginc

MathematicS In Action, 2020, 9 (1), pp.1-16. ⟨10.5802/msia.12⟩

Article dans une revue hal-02289623v1
Deposit thumbnail

Flexible algebraic technique for multiview reconstruction: incremental learning in reflective tomography

Jean-Baptiste Bellet

Optical Engineering, 2019, 58 (10), pp.103102. ⟨10.1117/1.OE.58.10.103102⟩

Article dans une revue hal-02316413v1
Deposit thumbnail

Multiresolution greedy algorithm dedicated to reflective tomography

Jean-Baptiste Bellet

SMAI Journal of Computational Mathematics, 2018, 4, pp.259-296. ⟨10.5802/smai-jcm.35⟩

Article dans une revue hal-01678995v2
Deposit thumbnail

Reflective filtered backprojection

Jean-Baptiste Bellet , Gérard Berginc

Comptes Rendus. Mathématique, 2016, 354 (9), pp.960-964. ⟨10.1016/j.crma.2016.07.011⟩

Article dans une revue hal-01202974v2
Deposit thumbnail

Imaging from monostatic scattered intensities

Jean-Baptiste Bellet , Gérard Berginc

Mathematical Methods in the Applied Sciences, 2014, 37 (12), pp.1772-1783. ⟨10.1002/mma.2934⟩

Article dans une revue hal-00820625v1
Deposit thumbnail

Modèle effectif de couche mince rugueuse périodique sur une structure semi-infinie

Jean-Baptiste Bellet , Gérard Berginc

ESAIM: Mathematical Modelling and Numerical Analysis, 2013, 47 (5), pp.1367-1386. ⟨10.1051/m2an/2013073⟩

Article dans une revue hal-00719857v1
Deposit thumbnail

Modèle électromagnétique d'objet dissimulé

Jean-Baptiste Bellet , Gérard Berginc

Comptes Rendus. Mathématique, 2011, ⟨10.1016/j.crma.2011.01.005⟩

Article dans une revue hal-00541306v1
Deposit thumbnail

Imagerie laser

Jean-Baptiste Bellet , Gérard Berginc

Comptes Rendus. Mathématique, 2011, ⟨10.1016/j.crma.2011.01.006⟩

Article dans une revue hal-00541317v1
Deposit thumbnail

Laser interactive 3D computer graphics

Jean-Baptiste Bellet , Ion Berechet , Stefan Berechet , Gérard Berginc , Gaël Rigaud

2nd International Conference on Tomography of Materials and Structures, Jun 2015, Québec, Canada

Communication dans un congrès hal-01175855v1
Deposit thumbnail

Comparison of several approximation schemes on the Cubed Sphere

Jean-Pierre Croisille , Jean-Baptiste Bellet , Matthieu Brachet

EGU General Assembly 2024, Apr 2024, Vienna, Austria. 2024, ⟨10.5194/egusphere-egu24-15777⟩

Poster de conférence hal-04620381v1
Deposit thumbnail

Discrete Funk-Radon transforms based on weighted least squares approximation

Jean-Baptiste Bellet

SIAM Conference on Imaging Science (IS24), May 2024, Atlanta (Georgia), United States

Poster de conférence hal-04641945v1

Optical 3D imaging and visualization of concealed objects

Gérard Berginc , Jean-Baptiste Bellet , Ion Berechet , Stefan Berechet

Gérard Berginc; Jean-Baptiste Bellet; Ion Berechet; Stefan Berechet. SPIE, 9961, pp.99610Q, 2016, Reflection, Scattering, and Diffraction from Surfaces V, 9781510603134. ⟨10.1117/12.2237325⟩

Ouvrages hal-03264666v1
Deposit thumbnail

Sixth-order spherical quadrature rule based on the trapezoidal rule on the Cubed Sphere

Jean-Baptiste Bellet

2026

Pré-publication, Document de travail hal-05497324v1
Deposit thumbnail

Quadrature on the cubed sphere: the low resolution case

Jean-Baptiste Bellet , Matthieu Brachet , Jean-Pierre Croisille

2024

Pré-publication, Document de travail hal-04807672v1
Deposit thumbnail

An exact Radon formula for Lambertian tomography

Jean-Baptiste Bellet

2021

Pré-publication, Document de travail hal-03335427v1
Deposit thumbnail

Interpolation on the Cubed Sphere with Spherical Harmonics

Jean-Baptiste Bellet , Matthieu Brachet , Jean-Pierre Croisille

2021

Pré-publication, Document de travail hal-03202236v1

Highly oscillatory integrals in optical imaging

Jean-Baptiste Bellet

2018

Pré-publication, Document de travail hal-01799282v1
Deposit thumbnail

Geometric problems from 3D reflective tomography

Jean-Baptiste Bellet , Gérard Berginc

2018

Pré-publication, Document de travail hal-01788342v1
Deposit thumbnail

Quality control of 3D reflective tomography

Jean-Baptiste Bellet , Gérard Berginc

2017

Pré-publication, Document de travail hal-01368354v2
Deposit thumbnail

Analyse asymptotique et géométrique de la tomographie réflective

Jean-Baptiste Bellet

2017

Pré-publication, Document de travail hal-01571707v1
Deposit thumbnail

Reflective tomography solved by the inverse Radon transform

Gaël Rigaud , Jean-Baptiste Bellet , Gérard Berginc , Ion Berechet , Stefan Berechet

2015

Pré-publication, Document de travail hal-01207663v1
Deposit thumbnail

Reflective filtered backprojection: numerical results

Jean-Baptiste Bellet , Gérard Berginc

2015

Pré-publication, Document de travail hal-01207522v1
Deposit thumbnail

3D laser imaging by backprojection

Jean-Baptiste Bellet , Gérard Berginc

2013

Pré-publication, Document de travail hal-00903871v1
Deposit thumbnail

Algorithmes de reconstruction et imagerie laser tomographique

Jean-Baptiste Bellet , Gérard Berginc , Jean-Pierre Croisille

2013

Pré-publication, Document de travail hal-00830979v1