Search Results for author: Thomas Sanchez

Found 10 papers, 4 papers with code

Improving cross-domain brain tissue segmentation in fetal MRI with synthetic data

no code implementations22 Mar 2024 Vladyslav Zalevskyi, Thomas Sanchez, Margaux Roulet, Jordina Aviles Verddera, Jana Hutter, Hamza Kebiri, Meritxell Bach Cuadra

Segmentation of fetal brain tissue from magnetic resonance imaging (MRI) plays a crucial role in the study of in utero neurodevelopment.

Learning to sample in Cartesian MRI

no code implementations7 Dec 2023 Thomas Sanchez

Altogether, our findings suggest that stochastic LBCS and similar methods represent promising alternatives to deep RL.

Computational Efficiency Reinforcement Learning (RL)

FetMRQC: an open-source machine learning framework for multi-centric fetal brain MRI quality control

1 code implementation8 Nov 2023 Thomas Sanchez, Oscar Esteban, Yvan Gomez, Alexandre Pron, Mériam Koob, Vincent Dunet, Nadine Girard, Andras Jakab, Elisenda Eixarch, Guillaume Auzias, Meritxell Bach Cuadra

We present FetMRQC, an open-source machine-learning framework for automated image quality assessment and quality control that is robust to domain shifts induced by the heterogeneity of clinical data.

Image Quality Assessment

FetMRQC: Automated Quality Control for fetal brain MRI

1 code implementation12 Apr 2023 Thomas Sanchez, Oscar Esteban, Yvan Gomez, Elisenda Eixarch, Meritxell Bach Cuadra

Quality control (QC) has long been considered essential to guarantee the reliability of neuroimaging studies.

Image Quality Assessment

On the benefits of deep RL in accelerated MRI sampling

no code implementations29 Sep 2021 Thomas Sanchez, Igor Krawczuk, Volkan Cevher

Deep learning approaches have shown great promise in accelerating magnetic resonance imaging (MRI), by reconstructing high quality images from highly undersampled data.

Reinforcement Learning (RL)

Uncertainty-Driven Adaptive Sampling via GANs

no code implementations23 Oct 2020 Thomas Sanchez, Igor Krawczuk, Zhaodong Sun, Volkan Cevher

We propose an adaptive sampling method for the linear model, driven by the uncertainty estimation with a generative adversarial network (GAN) model.

Generative Adversarial Network SSIM

Closed loop deep Bayesian inversion: Uncertainty driven acquisition for fast MRI

no code implementations25 Sep 2019 Thomas Sanchez, Igor Krawczuk, Zhaodong Sun, Volkan Cevher

This work proposes a closed-loop, uncertainty-driven adaptive sampling frame- work (CLUDAS) for accelerating magnetic resonance imaging (MRI) via deep Bayesian inversion.

SSIM

Scalable Learning-Based Sampling Optimization for Compressive Dynamic MRI

1 code implementation1 Feb 2019 Thomas Sanchez, Baran Gözcü, Ruud B. van Heeswijk, Armin Eftekhari, Efe Ilıcak, Tolga Çukur, Volkan Cevher

Compressed sensing applied to magnetic resonance imaging (MRI) allows to reduce the scanning time by enabling images to be reconstructed from highly undersampled data.

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