[PDF] Top 20 Fast joint detection-estimation of evoked brain activity in event-related fmri using a variational approach
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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
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Fast joint detection-estimation of evoked brain activity in event-related fMRI using a variational approach
... is a powerful tool to non-invasively study the relation- ship between a sensory or cognitive task and the ensuing evoked neural activity through the neurovascular coupling measured by the BOLD ... Voir le document complet
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Multi-subject joint parcellation detection estimation in functional MRI
... multi-subject fMRI analysis, JPDE, Par- cellation, Hemodynamic Response Function, VEM ...is a very powerful imaging technique that indirectly mea- sures neural activity using the blood ... Voir le document complet
5
Hemodynamic-Informed Parcellation of fMRI Data in a Joint Detection Estimation Framework
... Identifying brain hemodynamics in event-related functional MRI (fMRI) data is a crucial issue to disentangle the vascular response from the neuronal activity in the ... Voir le document complet
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Multi-subject joint parcellation detection estimation in functional MRI
... multi-subject fMRI analysis, JPDE, Par- cellation, Hemodynamic Response Function, VEM ...is a very powerful imaging technique that indirectly mea- sures neural activity using the blood ... Voir le document complet
5
Application and validation of spatial mixture modelling for the joint detection-estimation of brain activity in fMRI.
... strength of the spatial correlation is set by hand, as the smoothing level used when spatially filtering the ...combination of these prior distributions with the likelihood allows us to derive the target ... Voir le document complet
6
Robust voxel-wise Joint Detection Estimation of Brain Activity in fMRI
... Terms— Variational EM, MRF, Biomedical signal detection, Magnetic resonance ...is a powerful tool to non-invasively study the relation between cognitive task and cere- bral activity through ... Voir le document complet
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Decoding Semi-Constrained Brain Activity from fMRI Using Support Vector Machines and Gaussian Processes
... images of 6 consecutive paths for the mental imagery session) was left out as a test set while the others were used as a training set to build the SVM or GP ...5, a double leave-one-block-out ... Voir le document complet
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fMRI study of graduated emotional charge for detection of covert activity using passive listening to narratives
... Abstract—Detection of awareness in patients with con- sciousness disorders is a challenge that can be facilitated by functional ...elaborated a functional magnetic resonance imaging ... Voir le document complet
13
Multivariate Hurst Exponent Estimation in FMRI. Application to Brain Decoding of Perceptual Learning
... performed in the frequency domain on the log-scale Welch periodogram; (ii) Detrended Fluctuation Analysis that performs linear regression in the temporal domain [7] and (iii) linear regression from the log- ... Voir le document complet
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A supervised clustering approach for fMRI-based inference of brain states
... cut. In the size pre- diction analysis, the information is probably coarser than in the object prediction analysis, and thus the simple heuristic of unsupervised cut yields a good prediction ... Voir le document complet
14
A nonconvex variational approach for receptive field estimation
... field of a visual sensory neuron is a first but crucial step to- wards the characterization of neurons response to local spatio-temporal ...constraints of neurons (bounded firing rate), ... Voir le document complet
44
Decoding Directed Brain Activity in fMRI using Support Vector Machines and Gaussian Processes
... - Procedure 1: GLM feature selection and SVM classification - Procedure 2: GLM feature selection and GP classification - Procedure 3: SVM feature selection and GP classification - Procedure 4: GLM and SVM feature ... Voir le document complet
1
A particle filtering approach for joint detection/estimation of multipath effects on GPS measurements
... from a sensor failure or an unexpected maneuver of the vehicle in tracking ...the estimation solution, which explains the active research conducted for change ...detection. A ... Voir le document complet
11
Image Classification Using a Variational Approach
... 101 - 54602 Villers lès Nancy Cedex France Unité de recherche INRIA Rennes : IRISA, Campus universitaire de Beaulieu - 35042 Rennes Cedex France Unité de recherche INRIA Rhône-Alpes : 65[r] ... Voir le document complet
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Event-related fMRI adaptation paradigm on real and synesthetic colors
... is a multi-disciplinary open access archive for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or ...institutions in France or abroad, or from public ... Voir le document complet
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Cortical response variation with different sound pressure levels: a combined event-related potentials and FMRI study.
... processed using Brain Vision Analyzer (Version 2.0. Brain Products, Munich, ...performed using the method proposed by Allen et al. [20] and included in Brain Vision ...and ... Voir le document complet
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Event detection using images of temporal word patterns
... Performance in Baltimore and Toronto datasets Reference events happening in Baltimore (Apr-May 2015) and Toronto (May 2018) are not available, there- fore recall can not be ...As a consequence, we ... Voir le document complet
7
A new nonconvex variational approach for sensory neurons receptive field estimation
... field of a visual sensory neuron is crucial to characterize the region of the visual field and the stimuli this neuron is sensitive ...propose a new method to estimate receptive fields by ... Voir le document complet
7
Activation Detection and Characterisation in Brain fMRI Sequences. Application to the study of monkey vision.
... Unit´e de recherche INRIA Sophia Antipolis 2004, route des Lucioles - BP 93 - 06902 Sophia Antipolis Cedex France Unit´e de recherche INRIA Lorraine : LORIA, Technopˆole de Nancy-Brabois[r] ... Voir le document complet
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