Contact information

Nelly PUSTELNIK
CNRS Senior Research Scientist
nelly.pustelnik@ens-lyon.fr

Equipe SiSyPhe
Laboratoire de Physique - CNRS UMR 5672
ENS de Lyon
46, allée d'Italie
F69007 Lyon, France

News

8 Sept. 2025 : Tutorial (3h) at EUSIPCO
Palermo, Italy
Title: Proximal Neural Networks: Wedding Variational Methods and Artificial Intelligence. [More informations]


24-28 June 2025 : Invited Lecturer (3h) at the Summer School on Computational Sensing
ISCS Workshop, Luxembourg City
Title: Mathematics of Computational Imaging Systems. [More informations]


Mar. 2025 : Journal article accepted to IEEE Signal Processing Letters
Title: Embedding Blake-Zisserman Regularization in Unfolded Proximal Neural Networks for Enhanced Edge Detection. [PDF]


20-21 Feb. 2025 : Invited speaker to Recent Advances on Learned Regularisation workshop
UCL, London, UK
Title: Embedding Blake-Zisserman regularization in unfolded proximal neural networks for enhanced edge detection. [PDF] [Workshop website]


Feb. 2025 : Journal article accepted to IEEE Transactions on Signal Processing
Title: Identifying a piecewise affine signal from its nonlinear observation-application to DNA replication analysis. [PDF]


April 2023 : Funding from Fundation Simone et Cino Del Duca, Institut de France.

Areas of interest

- Inverse problems: piecewise constant/linear/smooth denoising, image reconstruction,
poisson noise, sparse recovery.
- Optimization: proximal algorithms.
- Segmentation: TV-based model, Chan-Vese model, Mumford-Shah model
- Texture segmentation: scale-free texture
- Sparsity: non-smooth penalization, compressed sensing, parameter selection

PhD Students/ Post-doctoral researcher

- Giovanni CHIERCHIA (PhD, 2011 -- 2015, Prix de thèse Fondation Télécom)
- Jordan FRECON : (PhD, 2013 -- 2016)
- Mingyuan JIU : (Post-doctoral researcher, Feb. 2016 - Feb. 2017)
- Marion FOARE : (Post-doctoral researcher, Sept. 2017 - Aug. 2018)
- Barbara PASCAL : (PhD, 2017 -- 2020 )
- Laurence DENNEULIN : (PhD, 2017 -- 2020 )
- Hoang Trieu Vy LE : (PhD, 2020-- X )
- Guillaume LAUGA : (PhD, 2021-- X )
- Leo DAVY : (PhD, 2022-- X )
- Clara LAGE: (Post-doctoral researcher, 2022-- X )

Scientific responsabilities

Since 2024: Board of directors EURASIP.

Since 2021: IEEE TIP Associate Editor.

Since 2020: IEEE SPL Senior Associate Editor.

Since 2016: IEEE MLSP Technical Committee.

2015 - 2023: GdR ISIS direction committee (French research group in signal and image processing).
Responsable for interactions with other French research groups (GdR).
Responsable for international relations.

2016-2020: IEEE SPL Associate Editor.

2015-2018: EURASIP SAT Signal and Data Analytics for Machine Learning.

Resume

Oct. 2023: CNRS Senior Research Scientist, Laboratoire de Physique de l'ENS Lyon

Oct. 2019- Jul. 2022: Visiting professor UCLouvain

2011-now: CNRS, CRCN - Laboratoire de Physique de l'ENS Lyon

2010-2011: Post-doctoral position - IMS - Université de Bordeaux

2007-2010: PhD in Signal and Image Processing - LIGM - Université Paris-Est
Advisors : Jean-Christophe Pesquet, Caroline Chaux, and Claude Comtat

>> Full CV