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Vincent Le Guen

5 accepted papers

2022

Complementing Brightness Constancy with Deep Networks for Optical Flow Prediction

ECCV 2022poster

"State-of-the-art methods for optical flow estimation rely on deep learning, which require complex sequential training schemes to reach optimal performances on real-world data. In this work, we introduce the COMBO deep network that explicitly exploits the brightness constancy (BC) model used in trad…

2021

Augmenting Physical Models with Deep Networks for Complex Dynamics Forecasting

ICLR 2021oral

Forecasting complex dynamical phenomena in settings where only partial knowledge of their dynamics is available is a prevalent problem across various scientific fields. While purely data-driven approaches are arguably insufficient in this context, standard physical modeling based approaches tend to…

2020

Disentangling Physical Dynamics From Unknown Factors for Unsupervised Video Prediction

CVPR 2020poster

Leveraging physical knowledge described by partial differential equations (PDEs) is an appealing way to improve unsupervised video forecasting models. Since physics is too restrictive for describing the full visual content of generic video sequences, we introduce PhyDNet, a two-branch deep architect…

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2020

Probabilistic Time Series Forecasting with Shape and Temporal Diversity

NeurIPS 2020poster

Probabilistic forecasting consists in predicting a distribution of possible future outcomes. In this paper, we address this problem for non-stationary time series, which is very challenging yet crucially important. We introduce the STRIPE model for representing structured diversity based on shape an…

2019

Shape and Time Distortion Loss for Training Deep Time Series Forecasting Models

NeurIPS 2019poster

This paper addresses the problem of time series forecasting for non-stationary signals and multiple future steps prediction. To handle this challenging task, we introduce DILATE (DIstortion Loss including shApe and TimE), a new objective function for training deep neural networks. DILATE aims at acc…