Search Results - "Auvray, Vincent"
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Joint Motion Estimation and Layer Segmentation in Transparent Image Sequences—Application to Noise Reduction in X-Ray Image Sequences
Published in EURASIP journal on advances in signal processing (01-01-2009)“…This paper is concerned with the estimation of the motions and the segmentation of the spatial supports of the different layers involved in transparent X-ray…”
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Fast kidney detection and segmentation with learned kernel convolution and model deformation in 3D ultrasound images
Published in 2015 IEEE 12th International Symposium on Biomedical Imaging (ISBI) (01-04-2015)“…We present a method to segment kidneys in 3D ultrasound images. The main challenges are the high variability in kidney appearance, the frequent presence of…”
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Conference Proceeding -
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Contrast enhancement of data measured with area detectors: a way to generalize the use of neutron diffraction for thin-film studies
Published in Journal of applied crystallography (01-06-2013)“…A denoising method is reported for the treatment of neutron scattering data obtained with position‐sensitive detectors, which enhances the information obtained…”
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Cardiac C-arm computed tomography using a 3D + time ROI reconstruction method with spatial and temporal regularization
Published in Medical physics (Lancaster) (01-02-2014)“…Purpose: Reconstruction of the beating heart in 3D + time in the catheter laboratory using only the available C-arm system would improve diagnosis, guidance,…”
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Joint Motion Estimation and Layer Segmentation in Transparent Image Sequences--Application to Noise Reduction in X-Ray Image Sequences
Published in EURASIP journal on advances in signal processing (25-05-2009)“…This paper is concerned with the estimation of the motions and the segmentation of the spatial supports of the different layers involved in transparent X-ray…”
Get full text
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Cardiac C-arm computed tomography using a 3D + time ROI reconstruction method with spatial and temporal regularization
Published in Medical physics (Lancaster) (15-02-2014)“…Purpose: Reconstruction of the beating heart in 3D + time in the catheter laboratory using only the available C-arm system would improve diagnosis, guidance,…”
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Removing streak artifacts from ECG-gated reconstructions using deconvolution
Published in Journal of X-ray science and technology (2014)“…4D cardiac computed tomography aims at reconstructing the beating heart from a series of 2D projections and the simultaneously acquired electrocardiogram. Each…”
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Multi-User MultiWOZ: Task-Oriented Dialogues among Multiple Users
Published 31-10-2023“…While most task-oriented dialogues assume conversations between the agent and one user at a time, dialogue systems are increasingly expected to communicate…”
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Model-based segmentation of the left main coronary bifurcation from 2D angiograms
Published in 2012 9th IEEE International Symposium on Biomedical Imaging (ISBI) (01-05-2012)“…This paper deals with the identification of the left main coronary bifurcation (LMB) in 2D angiograms. We resort to a generic 3D model of the LMB that is…”
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Conference Proceeding -
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OodGAN: Generative Adversarial Network for Out-of-Domain Data Generation
Published 06-04-2021“…Detecting an Out-of-Domain (OOD) utterance is crucial for a robust dialog system. Most dialog systems are trained on a pool of annotated OOD data to achieve…”
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Geometry-constrained coronary arteries motion estimation from 2D angiograms - Application to injection side recognition
Published in 2011 IEEE International Symposium on Biomedical Imaging: From Nano to Macro (01-03-2011)“…This paper deals with the 2D motion estimation of coronary arteries. It exploits the geometry of acquisition to strongly constrain the problem, thereby…”
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Conference Proceeding -
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Deconvolution for limited-view streak artifacts removal: improvements upon an existing approach
Published in 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC) (01-10-2012)“…Cardiac C-Arm computed tomography leads to a view-starved reconstruction problem because of electrocardiogram gating. Reconstruction with the Feldkamp, Davis…”
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Conference Proceeding -
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On the Construction of the Inclusion Boundary Neighbourhood for Markov Equivalence Classes of Bayesian Network Structures
Published 12-12-2012“…The problem of learning Markov equivalence classes of Bayesian network structures may be solved by searching for the maximum of a scoring metric in a space of…”
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Learning Inclusion-Optimal Chordal Graphs
Published 13-06-2012“…Chordal graphs can be used to encode dependency models that are representable by both directed acyclic and undirected graphs. This paper discusses a very…”
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Multiresolution parametric estimation of transparent motions and denoising of fluoroscopic images
Published in Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention (2005)“…We describe a novel multiresolution parametric framework to estimate transparent motions typically present in X-Ray exams. Assuming the presence if two…”
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Dialog Simulation with Realistic Variations for Training Goal-Oriented Conversational Systems
Published 16-11-2020“…Goal-oriented dialog systems enable users to complete specific goals like requesting information about a movie or booking a ticket. Typically the dialog system…”
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Alexa Conversations: An Extensible Data-driven Approach for Building Task-oriented Dialogue Systems
Published 19-04-2021“…NAACL 2021 System Demonstrations Track Traditional goal-oriented dialogue systems rely on various components such as natural language understanding, dialogue…”
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ECG-gated C-arm computed tomography using L1 regularization
Published in 2012 Proceedings of the 20th European Signal Processing Conference (EUSIPCO) (01-08-2012)“…Cardiac C-Arm computed tomography leads to a view-starved reconstruction problem because of electrocardiogram gating. The lack of data has to be compensated by…”
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Conference Proceeding -
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Modifying eigenvalue interactions near weak resonance
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Conference Proceeding