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[PDF] Top 20 Hemodynamic-Informed Parcellation of fMRI Data in a Joint Detection Estimation Framework

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Hemodynamic-Informed Parcellation of fMRI Data in a Joint Detection Estimation Framework

Hemodynamic-Informed Parcellation of fMRI Data in a Joint Detection Estimation Framework

... hemodynamics in event-related functional MRI (fMRI) data is a crucial issue to disentangle the vascular response from the neuronal activity in the BOLD ...so-called Hemodynamic ... Voir le document complet

31

A Bayesian Non-Parametric Hidden Markov Random Model for Hemodynamic Brain Parcellation

A Bayesian Non-Parametric Hidden Markov Random Model for Hemodynamic Brain Parcellation

... Deriving a meaningful functional brain parcellation is a very challenging is- sue in task-related fMRI ...The joint parcellation detection estimation model ... Voir le document complet

32

Multi-subject joint parcellation detection estimation in functional MRI

Multi-subject joint parcellation detection estimation in functional MRI

... multi-subject fMRI analysis. Besides, the JDE model has been used in a multi-subject context [6] but the parcellation remained fixed a priori and identical across ...proposed in ... Voir le document complet

5

Hemodynamic estimation based on Consensus Clustering

Hemodynamic estimation based on Consensus Clustering

... ONCLUSION In this paper, a consensus clustering-based procedure was introduced to robustify the hemodynamic estimation performed in the context of the JDE ...Instead of ... Voir le document complet

5

IMPACT OF THE JOINT DETECTION-ESTIMATION APPROACH ON RANDOM EFFECTS GROUP STUDIES IN FMRI

IMPACT OF THE JOINT DETECTION-ESTIMATION APPROACH ON RANDOM EFFECTS GROUP STUDIES IN FMRI

... analysis of functional Magnetic Resonance Imaging (fMRI) data relies on single intra-subject studies, which are usually conducted using a massively univari- ate ...approach. In this ... Voir le document complet

6

Bayesian Joint Detection-Estimation of cerebral vasoreactivity from ASL fMRI data

Bayesian Joint Detection-Estimation of cerebral vasoreactivity from ASL fMRI data

... Krainik A., Ciuciu P., and Forbes F. analysis in terms of goodness-of-fit and also sensitivity, especially in its ability to better segregate the gray and white matter within the ... Voir le document complet

9

Adaptive Mean Shift Based Hemodynamic Brain Parcellation in fMRI

Adaptive Mean Shift Based Hemodynamic Brain Parcellation in fMRI

... The detection of the evoked activity and the estimation of the dynamics have been mainly addressed as two separate tasks while each of them depends on the ...other. A precise ... Voir le document complet

13

Multi-session extension of the joint-detection framework in fMRI

Multi-session extension of the joint-detection framework in fMRI

... JDE, fMRI, Bayesian inference, multisession 1. INTRODUCTION In the context of fMRI data analyses, the present paper is a contribu- tion to encoding ...methods. In such ... Voir le document complet

5

Multi-subject joint parcellation detection estimation in functional MRI

Multi-subject joint parcellation detection estimation in functional MRI

... over a population of interest for investigating brain activity across different regions stimuli and ...proceeds in two steps, intra-subject analysis is performed sequen- tially on each individual and ... Voir le document complet

5

Robust voxel-wise Joint Detection Estimation of Brain Activity in fMRI

Robust voxel-wise Joint Detection Estimation of Brain Activity in fMRI

... issue of jointly detecting brain activity and esti- mating brain hemodynamics from functional MRI ...so-called Joint-Detection-Estimation (JDE) framework introduced in [1] and ... Voir le document complet

5

Bayesian joint detection-estimation in functional MRI with automatic parcellation and functional constraints

Bayesian joint detection-estimation in functional MRI with automatic parcellation and functional constraints

... Conclusion In this chapter, we introduced the JPDE model which is an extension of the parcel-based JDE ...that a single unknown HRF shape is driving hemodynamic responses in a ... Voir le document complet

232

Fast joint detection-estimation of evoked brain activity in event-related fmri using a variational approach

Fast joint detection-estimation of evoked brain activity in event-related fmri using a variational approach

... keeping a single regressor per condition and add also a temporal regularization constraint to Þx the ill-posedness are the so-called regularized FIR methods ...especially in nonac- tivated regions. ... Voir le document complet

18

Impact of the joint detection-estimation approach on random effects group studies in fMRI

Impact of the joint detection-estimation approach on random effects group studies in fMRI

... analysis of functional Magnetic Resonance Imaging (fMRI) data relies on single intra-subject studies, which are usually conducted using a massively univari- ate ...approach. In this ... Voir le document complet

6

A Bayesian non-parametric hidden Markov random model for hemodynamic brain parcellation

A Bayesian non-parametric hidden Markov random model for hemodynamic brain parcellation

... assumption of HRF shape invariance within each parcel, whereas reliability should guarantee that parcels are large enough to ensure reliable HRF estimation and detection ...motivated a number ... Voir le document complet

16

Subject-level Joint Parcellation-Detection-Estimation in fMRI

Subject-level Joint Parcellation-Detection-Estimation in fMRI

... Subject-level Joint Parcellation-Detection-Estimation in fMRI Lotfi CHAARI Member, Solveig BADILLO, Thomas VINCENT, Ghislaine DEHAENE-LAMBERTZ, Florence FORBES and Philippe ... Voir le document complet

11

A Bayesian non-parametric hidden Markov random model for hemodynamic brain parcellation

A Bayesian non-parametric hidden Markov random model for hemodynamic brain parcellation

... R A C T Deriving a meaningful functional brain parcellation is a very challenging issue in task-related fMRI ...The joint parcellation detection ... Voir le document complet

16

Hemodynamically informed parcellation of cerebral FMRI data

Hemodynamically informed parcellation of cerebral FMRI data

... Terms— joint detection-estimation, hemodynam- ics, Gaussian mixtures, parcellation, brain ...ation in blood oxygenation arising from an external stimula- ...the estimation ... Voir le document complet

6

A joint detection-estimation framework for analysing within-subject fMRI data

A joint detection-estimation framework for analysing within-subject fMRI data

... Abstract: In this paper, we review classical and advanced methodologies for analysing within-subject functional Magnetic Resonance Imaging (fMRI) ...Such data are usually acquired during sensory or ... Voir le document complet

32

Variational Physiologically Informed Solution to Hemodynamic and Perfusion Response Estimation from ASL fMRI Data

Variational Physiologically Informed Solution to Hemodynamic and Perfusion Response Estimation from ASL fMRI Data

... provide a quantitative measurement of cerebral blood flow. A joint detection-estimation (JDE) framework has been considered to extract task-related perfusion and ... Voir le document complet

5

Hemodynamic Brain Parcellation Using A Non-Parametric Bayesian Approach

Hemodynamic Brain Parcellation Using A Non-Parametric Bayesian Approach

... One of the most challenging issues in task-related fMRI data analysis con- sists of deriving a meaningful functional brain ...The joint par- cellation detection ... Voir le document complet

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