Search Results for author: Stéphane Canu

Found 21 papers, 2 papers with code

A formal approach to good practices in Pseudo-Labeling for Unsupervised Domain Adaptive Re-Identification

no code implementations24 Dec 2021 Fabian Dubourvieux, Romaric Audigier, Angélique Loesch, Samia Ainouz, Stéphane Canu

(ii) General good practices for Pseudo-Labeling, directly deduced from the interpretation of the proposed theoretical framework, in order to improve the target re-ID performance.

Similarity Contrastive Estimation for Self-Supervised Soft Contrastive Learning

2 code implementations29 Nov 2021 Julien Denize, Jaonary Rabarisoa, Astrid Orcesi, Romain Hérault, Stéphane Canu

To circumvent this issue, we propose a novel formulation of contrastive learning using semantic similarity between instances called Similarity Contrastive Estimation (SCE).

Contrastive Learning Representation Learning +4

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

Improving Unsupervised Domain Adaptive Re-Identification via Source-Guided Selection of Pseudo-Labeling Hyperparameters

no code implementations15 Oct 2021 Fabian Dubourvieux, Angélique Loesch, Romaric Audigier, Samia Ainouz, Stéphane Canu

However, the effectiveness of these approaches heavily depends on the choice of some hyperparameters (HP) that affect the generation of pseudo-labels by clustering.

Clustering Unsupervised Domain Adaptation

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 Segmentation +1

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

Road scenes analysis in adverse weather conditions by polarization-encoded images and adapted deep learning

no code implementations2 Oct 2019 Rachel Blin, Samia Ainouz, Stéphane Canu, Fabrice Meriaudeau

The efficiency of the proposed method is mostly due to the high power of the polarimetry to discriminate any object by its reflective properties and on the use of deep neural networks for object detection.

Autonomous Vehicles Object +2

Kernels on fuzzy sets: an overview

no code implementations30 Jul 2019 Jorge Guevara, Roberto Hirata Jr, Stéphane Canu

This paper introduces the concept of kernels on fuzzy sets as a similarity measure for $[0, 1]$-valued functions, a. k. a.

BIG-bench Machine Learning

Learning to recognize touch gestures: recurrent vs. convolutional features and dynamic sampling

1 code implementation19 Feb 2018 Quentin Debard, Christian Wolf, Stéphane Canu, Julien Arné

We propose a fully automatic method for learning gestures on big touch devices in a potentially multi-user context.

Gesture Recognition

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

Operator-valued Kernels for Learning from Functional Response Data

no code implementations28 Oct 2015 Hachem Kadri, Emmanuel Duflos, Philippe Preux, Stéphane Canu, Alain Rakotomamonjy, Julien Audiffren

In this paper we consider the problems of supervised classification and regression in the case where attributes and labels are functions: a data is represented by a set of functions, and the label is also a function.

Audio Signal Processing General Classification

Support Vector Machines with a Reject Option

no code implementations NeurIPS 2008 Yves Grandvalet, Alain Rakotomamonjy, Joseph Keshet, Stéphane Canu

We consider the problem of binary classification where the classifier may abstain instead of classifying each observation.

Binary Classification General Classification

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