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Julian Betancur

Explore the profile of Julian Betancur including associated specialties, affiliations and a list of published articles. Areas
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Articles 17
Citations 662
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Recent Articles
11.
Dey D, Gaur S, Ovrehus K, Slomka P, Betancur J, Goeller M, et al.
Eur Radiol . 2018 Jan; 28(6):2655-2664. PMID: 29352380
Objectives: We aimed to investigate if lesion-specific ischaemia by invasive fractional flow reserve (FFR) can be predicted by an integrated machine learning (ML) ischaemia risk score from quantitative plaque measures...
12.
Betancur J, Otaki Y, Motwani M, Fish M, Lemley M, Dey D, et al.
JACC Cardiovasc Imaging . 2017 Oct; 11(7):1000-1009. PMID: 29055639
Objectives: This study evaluated the added predictive value of combining clinical information and myocardial perfusion single-photon emission computed tomography (SPECT) imaging (MPI) data using machine learning (ML) to predict major...
13.
Betancur J, Rubeaux M, Fuchs T, Otaki Y, Arnson Y, Slipczuk L, et al.
J Nucl Med . 2016 Nov; 58(6):961-967. PMID: 27811121
Precise definition of the mitral valve plane (VP) during segmentation of the left ventricle for SPECT myocardial perfusion imaging (MPI) quantification often requires manual adjustment, which affects the quantification of...
14.
Bruge S, Simon A, Lederlin M, Betancur J, Hernandez A, Donal E, et al.
Annu Int Conf IEEE Eng Med Biol Soc . 2016 Jan; 2015:2391-4. PMID: 26736775
Cardiac Resynchronization Therapy (CRT) has been validated as an efficient treatment for selected patients suffering from heart failure with cardiac dyssynchrony. In case of bi-ventricular stimulation, the response to the...
15.
Betancur J, Simon A, Halbert E, Tavard F, Carre F, Hernandez A, et al.
Med Image Anal . 2015 Dec; 28:13-21. PMID: 26619189
Describing and analyzing heart multiphysics requires the acquisition and fusion of multisensor cardiac images. Multisensor image fusion enables a combined analysis of these heterogeneous modalities. We propose to register intra-patient...
16.
Betancur J, Simon A, Langella B, Leclercq C, Hernandez A, Garreau M
IEEE J Biomed Health Inform . 2015 Jul; 20(5):1369-76. PMID: 26168450
The synchronization and registration of dynamic computed tomography (CT) and magnetic resonance images (MRI) of the heart is required to perform a combined analysis of their complementary information. We propose...
17.
Tobon-Gomez C, Geers A, Peters J, Weese J, Pinto K, Karim R, et al.
IEEE Trans Med Imaging . 2015 Feb; 34(7):1460-1473. PMID: 25667349
Knowledge of left atrial (LA) anatomy is important for atrial fibrillation ablation guidance, fibrosis quantification and biophysical modelling. Segmentation of the LA from Magnetic Resonance Imaging (MRI) and Computed Tomography...