Search Results for author: Su Ruan

Found 36 papers, 7 papers with code

AutoPETIII: The Tracer Frontier. What Frontier?

no code implementations19 Sep 2024 Zacharia Mesbah, Léo Mottay, Romain Modzelewski, Pierre Decazes, Sébastien Hapdey, Su Ruan, Sébastien Thureau

For the last three years, the AutoPET competition gathered the medical imaging community around a hot topic: lesion segmentation on Positron Emitting Tomography (PET) scans.

Lesion Segmentation Segmentation

Deform-Mamba Network for MRI Super-Resolution

no code implementations8 Jul 2024 Zexin Ji, Beiji Zou, Xiaoyan Kui, Pierre Vera, Su Ruan

Thanks to the extracted features of the encoder, which include content-adaptive local and efficient global information, the vision Mamba decoder finally generates high-quality MR images.

Decoder Image Super-Resolution +1

Self-Prior Guided Mamba-UNet Networks for Medical Image Super-Resolution

no code implementations8 Jul 2024 Zexin Ji, Beiji Zou, Xiaoyan Kui, Pierre Vera, Su Ruan

Inspired by Mamba, our approach aims to learn the self-prior multi-scale contextual features under Mamba-UNet networks, which may help to super-resolve low-resolution medical images in an efficient way.

Image Super-Resolution Mamba +1

3D MRI Synthesis with Slice-Based Latent Diffusion Models: Improving Tumor Segmentation Tasks in Data-Scarce Regimes

1 code implementation8 Jun 2024 Aghiles Kebaili, Jérôme Lapuyade-Lahorgue, Pierre Vera, Su Ruan

Despite the increasing use of deep learning in medical image segmentation, the limited availability of annotated training data remains a major challenge due to the time-consuming data acquisition and privacy regulations.

Data Augmentation Image Generation +4

End-to-end autoencoding architecture for the simultaneous generation of medical images and corresponding segmentation masks

no code implementations17 Nov 2023 Aghiles Kebaili, Jérôme Lapuyade-Lahorgue, Pierre Vera, Su Ruan

We conduct experiments on two publicly available datasets, MICCAI's Brain Tumor Segmentation Challenge (BRATS), and Head and Neck Tumor Segmentation Challenge (HECKTOR), demonstrating the effectiveness of our method on different medical imaging modalities.

Brain Tumor Segmentation Data Augmentation +4

A review of uncertainty quantification in medical image analysis: probabilistic and non-probabilistic methods

no code implementations9 Oct 2023 Ling Huang, Su Ruan, Yucheng Xing, Mengling Feng

Generally, this review aims to allow researchers from both clinical and technical backgrounds to gain a quick and yet in-depth understanding of the research in uncertainty quantification for medical image analysis machine learning models.

Medical Image Analysis Uncertainty Quantification

Deep Learning Approaches for Data Augmentation in Medical Imaging: A Review

no code implementations24 Jul 2023 Aghiles Kebaili, Jérôme Lapuyade-Lahorgue, Su Ruan

Our goal is to provide a comprehensive review about the use of deep generative models for medical image augmentation and to highlight the potential of these models for improving the performance of deep learning algorithms in medical image analysis.

Image Augmentation Medical Image Analysis

Evidence fusion with contextual discounting for multi-modality medical image segmentation

1 code implementation23 Jun 2022 Ling Huang, Thierry Denoeux, Pierre Vera, Su Ruan

As information sources are usually imperfect, it is necessary to take into account their reliability in multi-source information fusion tasks.

Decoder Image Segmentation +3

Application of belief functions to medical image segmentation: A review

no code implementations3 May 2022 Ling Huang, Su Ruan, Thierry Denoeux

The investigation of uncertainty is of major importance in risk-critical applications, such as medical image segmentation.

Image Segmentation Medical Image Segmentation +2

A Quantitative Comparison between Shannon and Tsallis Havrda Charvat Entropies Applied to Cancer Outcome Prediction

no code implementations22 Mar 2022 Thibaud Brochet, Jérôme Lapuyade-Lahorgue, Pierre Vera, Su Ruan

In this paper, we propose to quantitatively compare loss functions based on parameterized Tsallis-Havrda-Charvat entropy and classical Shannon entropy for the training of a deep network in the case of small datasets which are usually encountered in medical applications.

Image Reconstruction

Multi-Task Multi-Scale Learning For Outcome Prediction in 3D PET Images

no code implementations1 Mar 2022 Amine Amyar, Romain Modzelewski, Pierre Vera, Vincent Morard, Su Ruan

Conclusions: We show that, by using a multi-task learning approach, we can boost the performance of radiomic analysis by extracting rich information of intratumoral and peritumoral regions.

Inductive Bias Multi-Task Learning

Deep Co-supervision and Attention Fusion Strategy for Automatic COVID-19 Lung Infection Segmentation on CT Images

2 code implementations20 Dec 2021 Haigen Hu, Leizhao Shen, Qiu Guan, Xiaoxin Li, Qianwei Zhou, Su Ruan

In this paper, a novel segmentation scheme is proposed for the infections of COVID-19 by enhancing supervised information and fusing multi-scale feature maps of different levels based on the encoder-decoder architecture.

Feature-enhanced Generation and Multi-modality Fusion based Deep Neural Network for Brain Tumor Segmentation with Missing MR Modalities

no code implementations8 Nov 2021 Tongxue Zhou, Stéphane Canu, Pierre Vera, Su Ruan

Based on the fact that there is a strong correlation between MR modalities of the same patient, in this work, we propose a novel brain tumor segmentation network in the case of missing one or more modalities.

Brain Tumor Segmentation Segmentation +1

A Tri-attention Fusion Guided Multi-modal Segmentation Network

no code implementations2 Nov 2021 Tongxue Zhou, Su Ruan, Pierre Vera, Stéphane Canu

Considering the correlation between different MR modalities, in this paper, we propose a multi-modality segmentation network guided by a novel tri-attention fusion.

Brain Tumor Segmentation Segmentation +1

AI-Based Detection, Classification and Prediction/Prognosis in Medical Imaging: Towards Radiophenomics

no code implementations20 Oct 2021 Fereshteh Yousefirizi, Pierre Decazes, Amine Amyar, Su Ruan, Babak Saboury, Arman Rahmim

Artificial intelligence (AI) techniques have significant potential to enable effective, robust and automated image phenotyping including identification of subtle patterns.

Translation

Deep PET/CT fusion with Dempster-Shafer theory for lymphoma segmentation

no code implementations11 Aug 2021 Ling Huang, Thierry Denoeux, David Tonnelet, Pierre Decazes, Su Ruan

Single-modality volumes are trained separately to get initial segmentation maps and an evidential fusion layer is proposed to fuse the two pieces of evidence using Dempster-Shafer theory (DST).

Segmentation

Evidential segmentation of 3D PET/CT images

1 code implementation27 Apr 2021 Ling Huang, Su Ruan, Pierre Decazes, Thierry Denoeux

In this paper, a segmentation method based on belief functions is proposed to segment lymphomas in 3D PET/CT images.

Medical Image Analysis Segmentation

Deep learning using Havrda-Charvat entropy for classification of pulmonary endomicroscopy

no code implementations12 Apr 2021 Thibaud Brochet, Jerome Lapuyade-Lahorgue, Sebastien Bougleux, Mathieu Salaun, Su Ruan

Our method is tested on one POE dataset including 2947 distinct images, is showing better results than using Shannon entropy and behaves better with regard to the problem of overfitting.

General Classification

3D Medical Multi-modal Segmentation Network Guided by Multi-source Correlation Constraint

no code implementations5 Feb 2021 Tongxue Zhou, Stéphane Canu, Pierre Vera, Su Ruan

Our network includes N model-independent encoding paths with N image sources, a correlation constraint block, a feature fusion block, and a decoding path.

Brain Tumor Segmentation Decoder +2

A review: Deep learning for medical image segmentation using multi-modality fusion

no code implementations22 Apr 2020 Tongxue Zhou, Su Ruan, Stéphane Canu

Due to their self-learning and generalization ability over large amounts of data, deep learning recently has also gained great interest in multi-modal medical image segmentation.

Image Classification Image Segmentation +6

RADIOGAN: Deep Convolutional Conditional Generative adversarial Network To Generate PET Images

no code implementations19 Mar 2020 Amine Amyar, Su Ruan, Pierre Vera, Pierre Decazes, Romain Modzelewski

Using generative adversarial networks (GAN) is a promising way to address this problem, however, it is challenging to train one model to generate different classes of lesions.

Data Augmentation Generative Adversarial Network

Weakly Supervised PET Tumor Detection Using Class Response

no code implementations18 Mar 2020 Amine Amyar, Romain Modzelewski, Pierre Vera, Vincent Morard, Su Ruan

In this paper, we present a novel approach to locate different type of lesions in positron emission tomography (PET) images using only a class label at the image-level.

Weakly-supervised Learning

Medical Image Synthesis with Deep Convolutional Adversarial Networks

1 code implementation IEEE Transactions on Biomedical Engineering 2018 Dong Nie, Roger Trullo, Jun Lian, Li Wang, Caroline Petitjean, Su Ruan, Qian Wang, and Dinggang Shen, Fellow, IEEE

To better model a nonlinear mapping from source to target and to produce more realistic target images, we propose to use the adversarial learning strategy to better model the FCN.

Image Generation

Une véritable approche $\ell_0$ pour l'apprentissage de dictionnaire

no code implementations12 Sep 2017 Yuan Liu, Stéphane Canu, Paul Honeine, Su Ruan

Sparse representation learning has recently gained a great success in signal and image processing, thanks to recent advances in dictionary learning.

Dictionary Learning Image Denoising +1

Medical Image Synthesis with Context-Aware Generative Adversarial Networks

no code implementations16 Dec 2016 Dong Nie, Roger Trullo, Caroline Petitjean, Su Ruan, Dinggang Shen

To better model the nonlinear relationship from MRI to CT and to produce more realistic images, we propose to use the adversarial training strategy and an image gradient difference loss function.

Computed Tomography (CT) Generative Adversarial Network +1

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