no code implementations • 19 Mar 2024 • Hang Jung Ling, Salomé Bru, Julia Puig, Florian Vixège, Simon Mendez, Franck Nicoud, Pierre-Yves Courand, Olivier Bernard, Damien Garcia
Intraventricular vector flow mapping (iVFM) seeks to enhance and quantify color Doppler in cardiac imaging.
no code implementations • 15 Jan 2024 • Nathan Painchaud, Pierre-Yves Courand, Pierre-Marc Jodoin, Nicolas Duchateau, Olivier Bernard
Deep learning now enables automatic and robust extraction of cardiac function descriptors from echocardiographic sequences, such as ejection fraction or strain.
1 code implementation • 25 Jun 2023 • Jingfeng Lu, Fabien Millioz, François Varray, Jonathan Porée, Jean Provost, Olivier Bernard, Damien Garcia, Denis Friboulet
The obtained results showed that, while using only three DWs as input, the CNN-based approach yielded an image quality and a motion accuracy equivalent to those obtained by compounding 31 DWs free of motion artifacts.
1 code implementation • 23 Jun 2023 • Hang Jung Ling, Olivier Bernard, Nicolas Ducros, Damien Garcia
Color Doppler echocardiography is a widely used non-invasive imaging modality that provides real-time information about the intracardiac blood flow.
1 code implementation • 3 May 2023 • Hang Jung Ling, Nathan Painchaud, Pierre-Yves Courand, Pierre-Marc Jodoin, Damien Garcia, Olivier Bernard
Deep learning-based methods have spearheaded the automatic analysis of echocardiographic images, taking advantage of the publication of multiple open access datasets annotated by experts (CAMUS being one of the largest public databases).
no code implementations • 15 Jun 2022 • Thierry Judge, Olivier Bernard, Mihaela Porumb, Agis Chartsias, Arian Beqiri, Pierre-Marc Jodoin
For this reason, we propose CRISP a ContRastive Image Segmentation for uncertainty Prediction method.
1 code implementation • 3 Dec 2021 • Nathan Painchaud, Nicolas Duchateau, Olivier Bernard, Pierre-Marc Jodoin
In this paper, we propose a framework to learn the 2D+time apical long-axis cardiac shape such that the segmented sequences can benefit from temporal and anatomical consistency constraints.
1 code implementation • 15 Jun 2020 • Nathan Painchaud, Youssef Skandarani, Thierry Judge, Olivier Bernard, Alain Lalande, Pierre-Marc Jodoin
In this paper, we present a framework for producing cardiac image segmentation maps that are guaranteed to respect pre-defined anatomical criteria, while remaining within the inter-expert variability.
no code implementations • 4 Apr 2020 • Sarah Leclerc, Erik Smistad, Andreas Østvik, Frederic Cervenansky, Florian Espinosa, Torvald Espeland, Erik Andreas Rye Berg, Thomas Grenier, Carole Lartizien, Pierre-Marc Jodoin, Lasse Lovstakken, Olivier Bernard
Results obtained on a large open access dataset show that our method outperforms the current best performing deep learning solution and achieved an overall segmentation accuracy lower than the intra-observer variability for the epicardial border (i. e. on average a mean absolute error of 1. 5mm and a Hausdorff distance of 5. 1mm) with 11% of outliers.
no code implementations • MIDL 2019 • Hoai-Thu Nguyen, Sylvain Grange, Magalie Viallon, Rémi Grange, Pierre Croisille, Olivier Bernard, Thomas Grenier
Our results show that using few atlases (3 in lieu of 6) based on our morphological measurement improves segmentation quality and decrease computational time for multi-atlas segmentation with CL.
no code implementations • 16 Aug 2019 • Sarah Leclerc, Erik Smistad, João Pedrosa, Andreas Østvik, Frederic Cervenansky, Florian Espinosa, Torvald Espeland, Erik Andreas Rye Berg, Pierre-Marc Jodoin, Thomas Grenier, Carole Lartizien, Jan D'hooge, Lasse Lovstakken, Olivier Bernard
Delineation of the cardiac structures from 2D echocardiographic images is a common clinical task to establish a diagnosis.
1 code implementation • 5 Jul 2019 • Nathan Painchaud, Youssef Skandarani, Thierry Judge, Olivier Bernard, Alain Lalande, Pierre-Marc Jodoin
In this paper, we propose a cardiac MRI segmentation method which always produces anatomically plausible results.