Guillaume BOURMAUD

Associate Professor

Research group : SIGNAL AND IMAGE PROCESSING

Team : MOTIVE

Tel : 0540008456

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Article (5)

On the Posterior Gap in Plug & Play Diffusion Methods for Sparse-View Computed Tomography Author(s): Liam Moroy, Guillaume Bourmaud, Frédéric Champagnat, Jean-François Giovannelli Year of publication: 2026 Journal: IEEE Journal of Selected Topics in Signal Processing DOI: 10.1109/JSTSP.2026.3659332 HAL link: https://hal.science/hal-05530470v1
Alligat0R: Pre-Training Through Co-Visibility Segmentation for Relative Camera Pose Regression Author(s): Thibaut Loiseau, Guillaume Bourmaud, Vincent Lepetit Year of publication: 2025 Journal: Advances in Neural Information Processing Systems DOI: HAL link: https://hal.science/hal-05419687v1
RUBIK: A Structured Benchmark for Image Matching across Geometric Challenges Author(s): Thibaut Loiseau, Guillaume Bourmaud Year of publication: 2025 Journal: Proceedings of the Computer Vision and Pattern Recognition Conference DOI: HAL link: https://hal.science/hal-05419663v1
From Intrinsic Optimization to Iterated Extended Kalman Filtering on Lie Groups Author(s): Guillaume Bourmaud, Rémi Mégret, Audrey Giremus, Yannick Berthoumieu Year of publication: 2016 Journal: Journal of Mathematical Imaging and Vision DOI: 10.1007/s10851-015-0622-8 HAL link: https://hal.science/hal-01311169v1
Continuous-Discrete Extended Kalman Filter on Matrix Lie Groups Using Concentrated Gaussian Distributions Author(s): Guillaume Bourmaud, Rémi Mégret, Marc Arnaudon, Audrey Giremus Year of publication: 2015 Journal: Journal of Mathematical Imaging and Vision DOI: 10.1007/s10851-014-0517-0 HAL link: https://hal.science/hal-01311170v1

Poster communication (1)

Spatio-temporal kriging from CloudSat observations Author(s): Jean-Marie Lalande, Guillaume Bourmaud, Jean-François Giovannelli, Pierre Minvielle Year of publication: 2020 Journal: DOI: HAL link: https://hal.science/hal-02505689v1

Book sections (1)

Recognition of Instrumental Activities of Daily Living in Egocentric Video for Activity Monitoring of Patients with Dementia Author(s): Iván González-Díaz, Vincent Buso, Jenny Benois-Pineau, Guillaume Bourmaud, Gelle Usseglio, Rémi Megret, Yann Gaestel, Jean-Francois Dartignes, Hugo Boujut Year of publication: 2015 Journal: DOI: 10.1007/978-3-319-17963-6 HAL link: https://hal.science/hal-01438603v1

Thesis (1)

Estimation de paramètres évoluant sur des groupes de Lie : Application à la cartographie et à la localisation d'une caméra monoculaire Author(s): Guillaume Bourmaud Year of publication: 2015 Journal: DOI: HAL link: https://theses.hal.science/tel-01265293v1

Conference proceedings (14)

Handling Multiple Hypothese in Coarse-to-Fine Dense Image Matching Author(s): Matthieu Vilain, Rémi Giraud, Yannick Berthoumieu, Guillaume Bourmaud Year of publication: 2025 Journal: DOI: HAL link: https://hal.science/hal-05279684v1
Evaluating the Posterior Sampling Ability of Plug&Play Diffusion Methods in Sparse-View CT Author(s): Liam Moroy, Guillaume Bourmaud, Jean-François Giovannelli, Frédéric Champagnat Year of publication: 2025 Journal: DOI: 10.1109/ICASSP49660.2025.10888207 HAL link: https://hal.science/hal-05119325v1
Sparse-to-Dense Hypercolumn Matching for Long-Term Visual Localization Author(s): Hugo Germain, Guillaume Bourmaud, Vincent Lepetit Year of publication: 2019 Journal: DOI: HAL link: https://hal.science/hal-02353464v1
Pareto Meets Huber: Efficiently Avoiding Poor Minima in Robust Estimation Author(s): Christopher Zach, Guillaume Bourmaud Year of publication: 2019 Journal: DOI: HAL link: https://hal.science/hal-02353424v1
Descending, lifting or smoothing: Secrets of robust cost optimization Author(s): Christopher Zach, Guillaume Bourmaud Year of publication: 2018 Journal: DOI: HAL link: https://hal.science/hal-01875293v1
Multiplicative vs. Additive Half-Quadratic Minimization for Robust Cost Optimization Author(s): Christopher Zach, Guillaume Bourmaud Year of publication: 2018 Journal: DOI: HAL link: https://hal.science/hal-01875291v1
Iterated Lifting for Robust Cost Optimization Author(s): Christopher Zach, Guillaume Bourmaud Year of publication: 2017 Journal: DOI: HAL link: https://hal.science/hal-01718012v1
Online Variational Bayesian Motion Averaging Author(s): Guillaume Bourmaud Year of publication: 2016 Journal: DOI: HAL link: https://hal.science/hal-01718015v1
Robust wearable camera localization as a target tracking problem on SE(3) Author(s): Guillaume Bourmaud, Audrey Giremus Year of publication: 2015 Journal: DOI: HAL link: https://hal.science/hal-02531608v1
Global motion estimation from relative measurements using iterated extended Kalman filter on matrix Lie groups Author(s): Guillaume Bourmaud, Rémi Megret, Audrey Giremus, Yannick Berthoumieu Year of publication: 2014 Journal: DOI: HAL link: https://hal.science/hal-02531613v1
Modeling instrumental activities of daily living in egocentric vision as sequences of active objects and context for alzheimer disease research Author(s): Iván González-Díaz, Vincent Buso, Jenny Benois-Pineau, Guillaume Bourmaud, Rémi Megret Year of publication: 2013 Journal: DOI: 10.1145/2505323.2505328 HAL link: https://hal.science/hal-01437429v1
Discrete extended Kalman filter on lie groups Author(s): Guillaume Bourmaud, Rémi Mégret, Audrey Giremus, Yannick Berthoumieu Year of publication: 2013 Journal: DOI: HAL link: https://hal.science/hal-00903252v1
Egocentric vision IT technologies for Alzheimer disease assessment and studies Author(s): Hugo Boujut, Vincent Buso, Guillaume Bourmaud, Jenny Benois-Pineau, Rémi Mégret, Jean-Philippe Domenger, Yann Gaëstel, Jean-François Dartigues Year of publication: 2013 Journal: DOI: HAL link: https://hal.science/hal-00800175v1
Filtre de Kalman Etendu Discret sur Groupe de Lie Author(s): Guillaume Bourmaud, Rémi Megret, Audrey Giremus, Yannick Berthoumieu Year of publication: 2013 Journal: DOI: HAL link: https://hal.science/hal-00974370v1

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