no code implementations • 14 Sep 2023 • Dimitri Hamzaoui, Sarah Montagne, Raphaële Renard-Penna, Nicholas Ayache, Hervé Delingette
We compared extensively our method on several datasets with the STAPLE method and the naive segmentation averaging method, showing that it leads to binary consensus masks of intermediate size between Majority Voting and STAPLE and to different posterior probabilities than Mask Averaging and STAPLE methods.
no code implementations • 6 Sep 2023 • Nikos Chrisochoides, Andrey Fedorov, Yixun Liu, Andriy Kot, Panos Foteinos, Fotis Drakopoulos, Christos Tsolakis, Emmanuel Billias, Olivier Clatz, Nicholas Ayache, Alex Golby, Peter Black, Ron Kikinis
Current neurosurgical procedures utilize medical images of various modalities to enable the precise location of tumors and critical brain structures to plan accurate brain tumor resection.
no code implementations • 18 Aug 2023 • Nikos Chrisochoides, Andriy Fedorov, Fotis Drakopoulos, Andriy Kot, Yixun Liu, Panos Foteinos, Angelos Angelopoulos, Olivier Clatz, Nicholas Ayache, Peter M. Black, Alex J. Golby, Ron Kikinis
Our review explores a specific NRR method for registering brain MRI during image-guided neurosurgery and examines various strategies for improving the accuracy and speed of the NRR method.
no code implementations • 7 Jun 2022 • Huiyu Li, Nicholas Ayache, Hervé Delingette
Instead, only a secured remote access to a data lake is granted to the model owner without any ability to retrieve data from the data lake.
no code implementations • MICCAI Workshop COMPAY 2021 • Paul Tourniaire, Marius Ilie, Paul Hofman, Nicholas Ayache, Hervé Delingette
Since the standardization of Whole Slide Images (WSIs) digitization, the use of deep learning methods for the analysis of histological images has shown much potential.
no code implementations • 5 Mar 2021 • S. Kevin Zhou, Hoang Ngan Le, Khoa Luu, Hien V. Nguyen, Nicholas Ayache
Deep reinforcement learning (DRL) augments the reinforcement learning framework, which learns a sequence of actions that maximizes the expected reward, with the representative power of deep neural networks.
no code implementations • 3 Nov 2020 • Julian Krebs, Hervé Delingette, Nicholas Ayache, Tommaso Mansi
We propose to learn a probabilistic motion model from a sequence of images for spatio-temporal registration.
no code implementations • 31 Jul 2019 • Julian Krebs, Tommaso Mansi, Nicholas Ayache, Hervé Delingette
We propose to learn a probabilistic motion model from a sequence of images.
no code implementations • 3 Jul 2019 • Pawel Mlynarski, Hervé Delingette, Hamza Alghamdi, Pierre-Yves Bondiau, Nicholas Ayache
We report cross-validated quantitative results on a database of 44 contrast-enhanced T1-weighted MRIs with provided segmentations of the considered organs at risk, which were originally used for radiotherapy planning.
no code implementations • 23 May 2019 • Raphaël Sivera, Hervé Delingette, Marco Lorenzi, Xavier Pennec, Nicholas Ayache
In this study we propose a deformation-based framework to jointly model the influence of aging and Alzheimer's disease (AD) on the brain morphological evolution.
no code implementations • 28 Feb 2019 • Clement Abi Nader, Nicholas Ayache, Philippe Robert, Marco Lorenzi
We introduce a probabilistic generative model for disentangling spatio-temporal disease trajectories from series of high-dimensional brain images.
no code implementations • 15 Feb 2019 • Qiao Zheng, Hervé Delingette, Kenneth Fung, Steffen E. Petersen, Nicholas Ayache
First, with a feature extraction method previously published based on deep learning models, we extract from each case 9 feature values characterizing both the cardiac shape and motion.
no code implementations • 18 Dec 2018 • Julian Krebs, Hervé Delingette, Boris Mailhé, Nicholas Ayache, Tommaso Mansi
Besides, we visualized the learned latent space and show that the encoded deformations can be used to transport deformations and to cluster diseases with a classification accuracy of 83% after applying a linear projection.
Ranked #1 on Diffeomorphic Medical Image Registration on Automatic Cardiac Diagnosis Challenge (ACDC) (using extra training data)
Deformable Medical Image Registration Diffeomorphic Medical Image Registration +1
no code implementations • 10 Dec 2018 • Pawel Mlynarski, Hervé Delingette, Antonio Criminisi, Nicholas Ayache
In this paper, we propose to use both types of training data (fully-annotated and weakly-annotated) to train a deep learning model for segmentation.
1 code implementation • 8 Nov 2018 • Qiao Zheng, Hervé Delingette, Nicholas Ayache
We propose a method to classify cardiac pathology based on a novel approach to extract image derived features to characterize the shape and motion of the heart.
no code implementations • 23 Jul 2018 • Pawel Mlynarski, Hervé Delingette, Antonio Criminisi, Nicholas Ayache
Furthermore, we propose a network architecture in which the different MR sequences are processed by separate subnetworks in order to be more robust to the problem of missing MR sequences.
1 code implementation • 25 Apr 2018 • Qiao Zheng, Hervé Delingette, Nicolas Duchateau, Nicholas Ayache
We propose a method based on deep learning to perform cardiac segmentation on short axis MRI image stacks iteratively from the top slice (around the base) to the bottom slice (around the apex).
no code implementations • 21 Apr 2018 • Wen Wei, Emilie Poirion, Benedetta Bodini, Stanley Durrleman, Nicholas Ayache, Bruno Stankoff, Olivier Colliot
Multiple sclerosis (MS) is a demyelinating disease of the central nervous system (CNS).
no code implementations • 19 Apr 2018 • Julian Krebs, Tommaso Mansi, Boris Mailhé, Nicholas Ayache, Hervé Delingette
This model enables to also generate normal or pathological deformations of any new image based on the probabilistic latent space.
no code implementations • 29 Mar 2018 • Qiao Zheng, Hervé Delingette, Nicolas Duchateau, Nicholas Ayache
We present a novel automated method to segment the myocardium of both left and right ventricles in MRI volumes.
no code implementations • 13 Oct 2016 • Anant S. Vemuri, Stephane A. Nicolau, Jacques Marescaux, Luc Soler, Nicholas Ayache
Esophageal adenocarcinoma arises from Barrett's esophagus, which is the most serious complication of gastroesophageal reflux disease.