431 citations · 1.2k across the 27 of their papers we have counts for
27 papers
An Optimal Linear Fusion Estimation Algorithm of Reduced Dimension for T-Proper Systems with Multiple Packet Dropouts
Rosa M. Fernández-Alcalá, José D. Jiménez-López, Nicolas Le Bihan +1
This paper analyses the centralized fusion linear estimation problem in multi-sensor systems with multiple packet dropouts and correlated noises. Packet dropouts are modeled by ind…
Two-way kernel matrix puncturing: towards resource-efficient PCA and spectral clustering
Romain Couillet, Florent Chatelain, Nicolas Le Bihan
The article introduces an elementary cost and storage reduction method for spectral clustering and principal component analysis. The method consists in randomly "puncturing" both t…
Hidden Markov chains and fields with observations in Riemannian manifolds
Salem Said, Nicolas Le Bihan, Jonathan H. Manton
Hidden Markov chain, or Markov field, models, with observations in a Euclidean space, play a major role across signal and image processing. The present work provides a statistical…
Measurements of inclusive and differential cross-sections of combined and production in the channel at 13 TeV with the ATLAS detector
ATLAS Collaboration
Inclusive and differential cross-sections for the production of top quarks in association with a photon are measured with protonproton collision data corresponding to an integra…
A complete framework for linear filtering of bivariate signals
Julien Flamant, Pierre Chainais, Nicolas Le Bihan
A complete framework for the linear time-invariant (LTI) filtering theory of bivariate signals is proposed based on a tailored quaternion Fourier transform. This framework features…
Measurement of differential cross sections of isolated-photon plus heavy-flavour jet production in pp collisions at TeV using the ATLAS detector
ATLAS Collaboration
This Letter presents the measurement of differential cross sections of isolated prompt photons produced in association with a b-jet or a c-jet. These final states provide sensitivi…
Study of ordered hadron chains with the ATLAS detector
ATLAS Collaboration
The analysis of the momentum difference between charged hadrons in high-energy proton-proton collisions is performed in order to study coherent particle production. The observed co…
Search for a scalar partner of the top quark in the jets plus missing transverse momentum final state at =13 TeV with the ATLAS detector
ATLAS Collaboration
A search for pair production of a scalar partner of the top quark in events with four or more jets plus missing transverse momentum is presented. An analysis of 36.1 fb of $…
Search for supersymmetry in events with -tagged jets and missing transverse momentum in collisions at TeV with the ATLAS detector
ATLAS Collaboration
A search for the supersymmetric partners of the Standard Model bottom and top quarks is presented. The search uses 36.1 fb of collision data at TeV collec…
Search for new phenomena with large jet multiplicities and missing transverse momentum using large-radius jets and flavour-tagging at ATLAS in 13 TeV collisions
ATLAS Collaboration
A search is presented for particles that decay producing a large jet multiplicity and invisible particles. The event selection applies a veto on the presence of isolated electrons…
Measurement of the exclusive process in proton--proton collisions at TeV with the ATLAS detector
ATLAS Collaboration
The production of exclusive events in proton--proton collisions at a centre-of-mass energy of 13 TeV is measured with the ATLAS detector at the LHC, using d…
Searches for the decay mode of the Higgs boson and for new high-mass resonances in collisions at TeV with the ATLAS detector
ATLAS Collaboration
This article presents searches for the decay of the Higgs boson and for narrow high-mass resonances decaying to , exploiting boson decays to pairs of electrons or muon…
Study of the material of the ATLAS inner detector for Run 2 of the LHC
ATLAS Collaboration
The ATLAS inner detector comprises three different sub-detectors: the pixel detector, the silicon strip tracker, and the transition-radiation drift-tube tracker. The Insertable …
Search for Dark Matter Produced in Association with a Higgs Boson Decaying to using 36 fb of collisions at TeV with the ATLAS Detector
ATLAS Collaboration
Several extensions of the Standard Model predict associated production of dark-matter particles with a Higgs boson. Such processes are searched for in final states with missing tra…
Spectral analysis of stationary random bivariate signals
Julien Flamant, Nicolas Le Bihan, Pierre Chainais
A novel approach towards the spectral analysis of stationary random bivariate signals is proposed. Using the Quaternion Fourier Transform, we introduce a quaternion-valued spectral…
Expansion-maximization-compression algorithm with spherical harmonics for single particle imaging with X-ray lasers
Julien Flamant, Nicolas Le Bihan, Andrew V. Martin +1
In 3D single particle imaging with X-ray free-electron lasers, particle orientation is not recorded during measurement but is instead recovered as a necessary step in the reconstru…
Density estimation on the rotation group using diffusive wavelets
Nicolas Le Bihan, Julien Flamant, Jonathan H. Manton
This paper considers the problem of estimating probability density functions on the rotation group . Two distinct approaches are proposed, one based on characteristic functi…
Filtering from Observations on Stiefel Manifolds
Jeremie Boulanger, Salem Said, Nicolas Le Bihan +1
This paper considers the problem of optimal filtering for partially observed signals taking values on the rotation group. More precisely, one or more components are considered not…
Isotropic Multiple Scattering Processes on Hyperspheres
Nicolas Le Bihan, Florent Chatelain, Jonathan H. Manton
This paper presents several results about isotropic random walks and multiple scattering processes on hyperspheres . It allows one to derive the Fourier expansio…
Instantaneous frequency and amplitude of complex signals based on quaternion Fourier transform
Nicolas Le Bihan, Stephen J. Sangwine, Todd A. Ell
The ideas of instantaneous amplitude and phase are well understood for signals with real-valued samples, based on the analytic signal which is a complex signal with one-sided Fouri…
Stochastic description of geometric phase for polarized waves in random media
Jérémie Boulanger, Nicolas le Bihan, Vincent Rossetto
We present a stochastic description of multiple scattering of polarized waves in the regime of forward scattering. In this regime, if the source is polarized, polarization survives…
Geodesic Normal distribution on the circle
Jean-François Coeurjolly, Nicolas Le Bihan
This paper is concerned with the study of a circular random distribution called geodesic Normal distribution recently proposed for general manifolds. This distribution, parameteriz…
Fundamental representations and algebraic properties of biquaternions or complexified quaternions
Stephen J. Sangwine, Todd A. Ell, Nicolas Le Bihan
The fundamental properties of biquaternions (complexified quaternions) are presented including several different representations, some of them new, and definitions of fundamental o…
Decompounding on compact Lie groups
Salem Said, Christian Lageman, Nicolas Le Bihan +1
Noncommutative harmonic analysis is used to solve a nonparametric estimation problem stated in terms of compound Poisson processes on compact Lie groups. This problem of decompound…