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Author: Samuel Farrens

I have been a postdoctoral researcher at CEA Saclay since October 2015. I am currently working on the DEDALE project and the Euclid mission with Jean-Luc Starck. My background is in optical detection of clusters of galaxies and photometric redshift estimation. I am now branching out into the field of PSF estimation using sparse signal processing techniques.
MGCNN
Software software_ap Weak Lensing Software

MGCNN

October 25, 2018November 7, 2018 Samuel Farrens

  Authors: F. Lalande, A. Peel Language: Python 3 Download: mgcnn.tar.gz Description: A Convolutional…

Post read time 53 sec read
Past Offers

Shape Measurement Benchmarking for Weak Lensing Analysis Pipeline

September 21, 2018September 12, 2019 Samuel Farrens

Position: Internship Deadline:  28/02/2019 Contact: Samuel Farrens and Martin Kilbinger Details about this position are provided…

Post read time 5 sec read
Past Offers

Machine Learning for Galaxy Cluster Membership Assignment

September 21, 2018February 26, 2019 Samuel Farrens

Position: Internship Deadline:  28/02/2019 Contact: Samuel Farrens Details about this position are provided in the…

Post read time 4 sec read
Past Offers

Deep Learning for Multiclass Classification of Blended Galaxy Images

September 21, 2018March 6, 2019 Samuel Farrens

Position: Internship Deadline:  28/02/2019 Contact: Samuel Farrens Details about this position are provided in the…

Post read time 4 sec read
Blind separation of a large number of sparse sources
BSS Publications Publications publications_ck Statistical Methods Publications

Blind separation of a large number of sparse sources

August 30, 2018August 31, 2018 Samuel Farrens

  Authors: C. Kervazo, J. Bobin, C. Chenot Journal: Signal Processing Year: 2018 Download:…

Post read time 45 sec read
Measuring Linear and Non-linear Galaxy Bias Using Counts-in-Cells in the Dark Energy Survey Science Verification Data
Publications publications_apv Weak gravitational lensing

Measuring Linear and Non-linear Galaxy Bias Using Counts-in-Cells in the Dark Energy Survey Science Verification Data

August 15, 2018August 15, 2018 Samuel Farrens

  Authors: A. I. Salvador, F. J. Sánchez, A. Pagul et al. Journal:  …

Post read time 58 sec read
Weak Lensing 2D and 3D Density Fluctuation Map Reconstruction
Research Highlights

Weak Lensing 2D and 3D Density Fluctuation Map Reconstruction

August 2, 2018October 25, 2018 Samuel Farrens

Weak lensing 2D & 3D density fluctuation map reconstruction The 3D tomographic weak lensing…

Post read time 56 sec read
A highly precise shape-noise-free shear bias estimator
Publications publications_apv publications_fs publications_jb publications_mk Weak gravitational lensing Weak Lensing Publications

A highly precise shape-noise-free shear bias estimator

June 28, 2018November 10, 2018 Samuel Farrens

  Authors: A. Pujol, M. Kilbinger, F. Sureau & J. Bobin Journal:   Year:…

Post read time 56 sec read
9th Edition of the Astronomical Data Analysis (ADAIX) Summer School
Schools Tutorial Presentation

9th Edition of the Astronomical Data Analysis (ADAIX) Summer School

May 21, 2018August 30, 2018 Samuel Farrens

Co-organised by CosmoStat on  May 20-22 2018 in Valencia, Spain. Tutorial on “Sparsity” by Samuel…

Post read time 4 sec read
Breaking degeneracies in modified gravity with higher (than 2nd) order weak-lensing statistics
Cosmology DE&MG Publications Publications publications_ap publications_jls publications_vp Statistical Methods Publications Weak gravitational lensing Weak Lensing Publications

Breaking degeneracies in modified gravity with higher (than 2nd) order weak-lensing statistics

May 16, 2018September 19, 2019 Samuel Farrens

  Authors: A. Peel, V. Pettorino, C. Giocoli, J.-L. Starck, M. Baldi Journal: A&A Year: 2018 Download:…

Post read time 1 min read

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