activity
20122025
most citedEstimating the granularity coefficient of a Potts-Markov random field within an MCMC algorithm

76 citations · 115 across the 13 of their papers we have counts for

collaborators

14 papers

cs.CV2025

Epanechnikov nonparametric kernel density estimation based feature-learning in respiratory disease chest X-ray images

Veronica Marsico, Antonio Quintero-Rincon, Hadj Batatia

This study presents a novel method for diagnosing respiratory diseases using image data. It combines Epanechnikov's non-parametric kernel density estimation (EKDE) with a bimodal l…

eess.SP2025

Hybrid Pipeline SWD Detection in Long-Term EEG Signals

Antonio Quintero Rincon, Nicolas Masino, Veronica Marsico +1

Spike-and-wave discharges (SWDs) are the electroencephalographic hallmark of absence epilepsy, yet their manual identification in multi-day recordings remains labour-intensive and…

cs.LG2025

Innovative tokenisation of structured data for LLM training

Kayvan Karim, Hani Ragab Hassen. Hadj Batatia

Data representation remains a fundamental challenge in machine learning, particularly when adapting sequence-based architectures like Transformers and Large Language Models (LLMs)…

cs.CL2025★ 2 cited

Integrating External Tools with Large Language Models to Improve Accuracy

Nripesh Niketan, Hadj Batatia

This paper deals with improving querying large language models (LLMs). It is well-known that without relevant contextual information, LLMs can provide poor quality responses or ten…

eess.SP2020★ 3 cited

Mu-suppression detection in motor imagery electroencephalographic signals using the generalized extreme value distribution

Antonio Quintero-Rincón, Carlos D'Giano, Hadj Batatia

This paper deals with the detection of mu-suppression from electroencephalographic (EEG) signals in brain-computer interface (BCI). For this purpose, an efficient algorithm is prop…

stat.AP2019★ 14 cited

A quadratic linear-parabolic model-based classification to detect epileptic EEG seizures

Antonio Quintero-Rincon, Carlos D'Giano, Hadj Batatia

The two-point central difference is a common algorithm in biological signal processing and is particularly useful in analyzing physiological signals. In this paper, we develop a mo…

eess.SP2019★ 4 cited

A novel spike-and-wave automatic detection in EEG signals

Antonio Quintero-Rincón, Valeria Muro, Carlos D'Giano +2

Spike-and-wave discharge (SWD) pattern classification in electroencephalography (EEG) signals is a key problem in signal processing. It is particularly important to develop a SWD a…

stat.AP2017

Statistical modeling and classification of reflectance confocal microscopy images

Abdelghafour Halimi, Hadj Batatia, Jimmy Le Digabel +2

This paper deals with the characterization and classification of reflectance confocal microscopy images of human skin. The aim is to identify and characterize the lentigo, a phenom…

stat.ML2017★ 11 cited

An unsupervised bayesian approach for the joint reconstruction and classification of cutaneous reflectance confocal microscopy images

Abdelghafour Halimi, Hadj Batatia, Jimmy Le Digabel +2

This paper studies a new Bayesian algorithm for the joint reconstruction and classification of reflectance confocal microscopy (RCM) images, with application to the identification…

stat.ME2016★ 2 cited

EEG reconstruction and skull conductivity estimation using a Bayesian model promoting structured sparsity

Facundo Costa, Hadj Batatia, Thomas Oberlin +1

M/EEG source localization is an open research issue. To solve it, it is important to have good knowledge of several physical parameters to build a reliable head operator. Amongst t…

stat.ME2015★ 2 cited

Bayesian Structured Sparsity Priors for EEG Source Localization Technical Report

Facundo Costa, Hadj Batatia, Thomas Oberlin +1

This report introduces a new hierarchical Bayesian model for the EEG source localization problem. This model promotes structured sparsity to search for focal brain activity. This s…

stat.ME2014

A Hamiltonian Monte Carlo Method for Non-Smooth Energy Sampling

Lotfi Chaari, Jean-Yves Tourneret, Caroline Chaux +1

Efficient sampling from high-dimensional distributions is a challenging issue which is encountered in many large data recovery problems involving Markov chain Monte Carlo schemes.…

stat.CO2012★ 76 cited

Estimating the granularity coefficient of a Potts-Markov random field within an MCMC algorithm

Marcelo Pereyra, Nicolas Dobigeon, Hadj Batatia +1

This paper addresses the problem of estimating the Potts parameter B jointly with the unknown parameters of a Bayesian model within a Markov chain Monte Carlo (MCMC) algorithm. Sta…

stat.CO2012★ 1 cited

Computing the Cramer-Rao bound of Markov random field parameters: Application to the Ising and the Potts models

Marcelo Pereyra, Nicolas Dobigeon, Hadj Batatia +1

This report considers the problem of computing the Cramer-Rao bound for the parameters of a Markov random field. Computation of the exact bound is not feasible for most fields of i…