Spatially adaptive mixture modeling for analysis of fMRI time series
Within-subject analysis in fMRI essentially addresses two problems, the detection of brain
regions eliciting evoked activity and the estimation of the underlying dynamics. In Makni …
regions eliciting evoked activity and the estimation of the underlying dynamics. In Makni …
A spatio-temporal nonparametric Bayesian variable selection model of fMRI data for clustering correlated time courses
In this paper we present a novel wavelet-based Bayesian nonparametric regression model
for the analysis of functional magnetic resonance imaging (fMRI) data. Our goal is to provide …
for the analysis of functional magnetic resonance imaging (fMRI) data. Our goal is to provide …
Spatio-temporal wavelet regularization for parallel MRI reconstruction: application to functional MRI
Background Parallel magnetic resonance imaging (MRI) is a fast imaging technique that
helps acquiring highly resolved images in space/time. Its performance depends on the …
helps acquiring highly resolved images in space/time. Its performance depends on the …
Min-max extrapolation scheme for fast estimation of 3D Potts field partition functions. Application to the joint detection-estimation of brain activity in fMRI
In this paper, we propose a fast numerical scheme to estimate Partition Functions (PF) of
symmetric Potts fields. Our strategy is first validated on 2D two-color Potts fields and then on …
symmetric Potts fields. Our strategy is first validated on 2D two-color Potts fields and then on …
[PDF][PDF] Soma-workflow: a unified and simple interface to parallel computing resources
Parallel computing resources are now available everywhere, from a simple multiple core
laptop to sophisticated clusters and grids. Soma-workflow originated in the observation that …
laptop to sophisticated clusters and grids. Soma-workflow originated in the observation that …
[PDF][PDF] Multidimensional wavelet-based regularized reconstruction for parallel acquisition in neuroimaging
Parallel MRI is a fast imaging technique that enables the acquisition of highly resolved
images in space or/and in time. The performance of parallel imaging strongly depends on …
images in space or/and in time. The performance of parallel imaging strongly depends on …
Potts model parameter estimation in Bayesian segmentation of piecewise constant images
The paper presents a method for estimating the parameter of a Potts model jointly with the
unknowns of an image segmentation problem. The method addresses piecewise constant …
unknowns of an image segmentation problem. The method addresses piecewise constant …
Adaptively and spatially estimating the hemodynamic response functions in fMRI
In an event-related functional MRI data analysis, an accurate and robust extraction of the
hemodynamic response function (HRF) and its associated statistics (eg, magnitude, width …
hemodynamic response function (HRF) and its associated statistics (eg, magnitude, width …
Impact of the parallel imaging reconstruction algorithm on brain activity detection in fMRI
PMRI is a fast imaging technique that allows reconstruction of full FoV images based on
undersampled k-space data acquired using multiple reciever coils with complementary …
undersampled k-space data acquired using multiple reciever coils with complementary …
Deconvolution-segmentation for textured images
JF Giovannelli, C Vacar - 2017 25th European Signal …, 2017 - ieeexplore.ieee.org
The paper tackles the problem of joint deconvolution and segmentation specifically for
textured images. The images are composed of patches of textures that belong to a set of K …
textured images. The images are composed of patches of textures that belong to a set of K …