Search Results for author: David Filliat

Found 38 papers, 12 papers with code

Hierarchical Light Transformer Ensembles for Multimodal Trajectory Forecasting

no code implementations26 Mar 2024 Adrien Lafage, Mathieu Barbier, Gianni Franchi, David Filliat

Accurate trajectory forecasting is crucial for the performance of various systems, such as advanced driver-assistance systems and self-driving vehicles.

Motion Forecasting Trajectory Forecasting +1

On Double Descent in Reinforcement Learning with LSTD and Random Features

no code implementations9 Oct 2023 David Brellmann, Eloïse Berthier, David Filliat, Goran Frehse

We identify the ratio between the number of parameters and the number of visited states as a crucial factor and define over-parameterization as the regime when it is larger than one.

reinforcement-learning Reinforcement Learning (RL)

InfraParis: A multi-modal and multi-task autonomous driving dataset

1 code implementation27 Sep 2023 Gianni Franchi, Marwane Hariat, Xuanlong Yu, Nacim Belkhir, Antoine Manzanera, David Filliat

Current deep neural networks (DNNs) for autonomous driving computer vision are typically trained on specific datasets that only involve a single type of data and urban scenes.

Autonomous Driving Monocular Depth Estimation +4

VIBR: Learning View-Invariant Value Functions for Robust Visual Control

no code implementations14 Jun 2023 Tom Dupuis, Jaonary Rabarisoa, Quoc-Cuong Pham, David Filliat

In this work, we tackle the problem of robust visual control at its core and present VIBR (View-Invariant Bellman Residuals), a method that combines multi-view training and invariant prediction to reduce out-of-distribution (OOD) generalization gap for RL based visuomotor control.

Data Augmentation Representation Learning

Latent Discriminant deterministic Uncertainty

1 code implementation20 Jul 2022 Gianni Franchi, Xuanlong Yu, Andrei Bursuc, Emanuel Aldea, Severine Dubuisson, David Filliat

Predictive uncertainty estimation is essential for deploying Deep Neural Networks in real-world autonomous systems.

Autonomous Driving Image Classification +3

MUAD: Multiple Uncertainties for Autonomous Driving, a benchmark for multiple uncertainty types and tasks

3 code implementations2 Mar 2022 Gianni Franchi, Xuanlong Yu, Andrei Bursuc, Angel Tena, Rémi Kazmierczak, Séverine Dubuisson, Emanuel Aldea, David Filliat

However, disentangling the different types and sources of uncertainty is non trivial for most datasets, especially since there is no ground truth for uncertainty.

Anomaly Detection Autonomous Driving +4

A study of deep perceptual metrics for image quality assessment

1 code implementation17 Feb 2022 Rémi Kazmierczak, Gianni Franchi, Nacim Belkhir, Antoine Manzanera, David Filliat

Several metrics exist to quantify the similarity between images, but they are inefficient when it comes to measure the similarity of highly distorted images.

Image Quality Assessment

POAR: Efficient Policy Optimization via Online Abstract State Representation Learning

1 code implementation17 Sep 2021 Zhaorun Chen, Siqi Fan, Yuan Tan, Liang Gong, Binhao Chen, Te Sun, David Filliat, Natalia Díaz-Rodríguez, Chengliang Liu

Firstly, We engage RL loss to assist in updating SRL model so that the states can evolve to meet the demand of RL and maintain a good physical interpretation.

reinforcement-learning Reinforcement Learning (RL) +1

Are standard Object Segmentation models sufficient for Learning Affordance Segmentation?

no code implementations5 Jul 2021 Hugo Caselles-Dupré, Michael Garcia-Ortiz, David Filliat

We conclude that the problem of supervised affordance segmentation is included in the problem of object segmentation and argue that better benchmarks for affordance learning should include action capacities.

Object Segmentation +1

On the Sensory Commutativity of Action Sequences for Embodied Agents

no code implementations13 Feb 2020 Hugo Caselles-Dupré, Michael Garcia-Ortiz, David Filliat

In such case, for autonomous embodied agents with first-person sensors, perception can be learned end-to-end to solve particular tasks.

Regularization Shortcomings for Continual Learning

no code implementations6 Dec 2019 Timothée Lesort, Andrei Stoian, David Filliat

In most machine learning algorithms, training data is assumed to be independent and identically distributed (iid).

Continual Learning Multi-Task Learning

DisCoRL: Continual Reinforcement Learning via Policy Distillation

no code implementations11 Jul 2019 René Traoré, Hugo Caselles-Dupré, Timothée Lesort, Te Sun, Guanghang Cai, Natalia Díaz-Rodríguez, David Filliat

In multi-task reinforcement learning there are two main challenges: at training time, the ability to learn different policies with a single model; at test time, inferring which of those policies applying without an external signal.

reinforcement-learning Reinforcement Learning (RL) +1

Continual Learning for Robotics: Definition, Framework, Learning Strategies, Opportunities and Challenges

no code implementations29 Jun 2019 Timothée Lesort, Vincenzo Lomonaco, Andrei Stoian, Davide Maltoni, David Filliat, Natalia Díaz-Rodríguez

An important challenge for machine learning is not necessarily finding solutions that work in the real world but rather finding stable algorithms that can learn in real world.

BIG-bench Machine Learning Continual Learning

Symmetry-Based Disentangled Representation Learning requires Interaction with Environments

1 code implementation NeurIPS 2019 Hugo Caselles-Dupré, Michael Garcia-Ortiz, David Filliat

Finding a generally accepted formal definition of a disentangled representation in the context of an agent behaving in an environment is an important challenge towards the construction of data-efficient autonomous agents.

Representation Learning

S-TRIGGER: Continual State Representation Learning via Self-Triggered Generative Replay

no code implementations25 Feb 2019 Hugo Caselles-Dupré, Michael Garcia-Ortiz, David Filliat

As the environment changes, the aim is to efficiently compress the sensory state's information without losing past knowledge, and then use Reinforcement Learning on the resulting features for efficient policy learning.

Change Detection Continual Learning +3

Don't forget, there is more than forgetting: new metrics for Continual Learning

no code implementations31 Oct 2018 Natalia Díaz-Rodríguez, Vincenzo Lomonaco, David Filliat, Davide Maltoni

Continual learning consists of algorithms that learn from a stream of data/tasks continuously and adaptively thought time, enabling the incremental development of ever more complex knowledge and skills.

Attribute Computational Efficiency +2

Marginal Replay vs Conditional Replay for Continual Learning

no code implementations29 Oct 2018 Timothée Lesort, Alexander Gepperth, Andrei Stoian, David Filliat

We present a new replay-based method of continual classification learning that we term "conditional replay" which generates samples and labels together by sampling from a distribution conditioned on the class.

Classification Continual Learning +1

End-to-end depth from motion with stabilized monocular videos

no code implementations12 Sep 2018 Clément Pinard, Laure Chevalley, Antoine Manzanera, David Filliat

We propose a depth map inference system from monocular videos based on a novel dataset for navigation that mimics aerial footage from gimbal stabilized monocular camera in rigid scenes.

Depth Estimation Depth Prediction

Multi range Real-time depth inference from a monocular stabilized footage using a Fully Convolutional Neural Network

no code implementations12 Sep 2018 Clément Pinard, Laure Chevalley, Antoine Manzanera, David Filliat

Using a neural network architecture for depth map inference from monocular stabilized videos with application to UAV videos in rigid scenes, we propose a multi-range architecture for unconstrained UAV flight, leveraging flight data from sensors to make accurate depth maps for uncluttered outdoor environment.

Learning structure-from-motion from motion

no code implementations12 Sep 2018 Clément Pinard, Laure Chevalley, Antoine Manzanera, David Filliat

We then present results on a synthetic dataset that we believe to be more representative of typical UAV scenes.

Depth Estimation Depth Prediction +1

Training Discriminative Models to Evaluate Generative Ones

no code implementations28 Jun 2018 Timothée Lesort, Andrei Stoain, Jean-François Goudou, David Filliat

By comparing results with different generated datasets we are able to classify and compare generative models.

Generative Adversarial Network

Exploring to learn visual saliency: The RL-IAC approach

no code implementations2 Apr 2018 Celine Craye, Timothee Lesort, David Filliat, Jean-Francois Goudou

On the other hand, we investigate an autonomous exploration technique to efficiently learn such a saliency model.

Object Localization

State Representation Learning for Control: An Overview

1 code implementation12 Feb 2018 Timothée Lesort, Natalia Díaz-Rodríguez, Jean-François Goudou, David Filliat

State representation learning (SRL) focuses on a particular kind of representation learning where learned features are in low dimension, evolve through time, and are influenced by actions of an agent.

Representation Learning

Evaluation of generative networks through their data augmentation capacity

no code implementations ICLR 2018 Timothée Lesort, Florian Bordes, Jean-Francois Goudou, David Filliat

This mixture of real and generated data is thus used to train a classifier which is afterwards tested on a given labeled test dataset.

Data Augmentation

Unsupervised state representation learning with robotic priors: a robustness benchmark

no code implementations15 Sep 2017 Timothée Lesort, Mathieu Seurin, Xinrui Li, Natalia Díaz Rodríguez, David Filliat

We reproduce this simplification process using a neural network to build a low dimensional state representation of the world from images acquired by a robot.

Position Reinforcement Learning (RL) +2

Gated networks: an inventory

no code implementations10 Dec 2015 Olivier Sigaud, Clément Masson, David Filliat, Freek Stulp

Gated networks are networks that contain gating connections, in which the outputs of at least two neurons are multiplied.

Activity Recognition

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