Search Results for author: Rémi Pautrat

Found 10 papers, 8 papers with code

Bayesian Optimization with Automatic Prior Selection for Data-Efficient Direct Policy Search

1 code implementation20 Sep 2017 Rémi Pautrat, Konstantinos Chatzilygeroudis, Jean-Baptiste Mouret

One of the most interesting features of Bayesian optimization for direct policy search is that it can leverage priors (e. g., from simulation or from previous tasks) to accelerate learning on a robot.

Bayesian Optimization Transfer Learning

DeepLSD: Line Segment Detection and Refinement with Deep Image Gradients

1 code implementation CVPR 2023 Rémi Pautrat, Daniel Barath, Viktor Larsson, Martin R. Oswald, Marc Pollefeys

Their learned counterparts are more repeatable and can handle challenging images, but at the cost of a lower accuracy and a bias towards wireframe lines.

Line Detection Line Segment Detection

3D Line Mapping Revisited

1 code implementation CVPR 2023 Shaohui Liu, Yifan Yu, Rémi Pautrat, Marc Pollefeys, Viktor Larsson

In contrast to sparse keypoints, a handful of line segments can concisely encode the high-level scene layout, as they often delineate the main structural elements.

Visual Localization

Vanishing Point Estimation in Uncalibrated Images with Prior Gravity Direction

1 code implementation ICCV 2023 Rémi Pautrat, Shaohui Liu, Petr Hruby, Marc Pollefeys, Daniel Barath

We tackle the problem of estimating a Manhattan frame, i. e. three orthogonal vanishing points, and the unknown focal length of the camera, leveraging a prior vertical direction.

Handbook on Leveraging Lines for Two-View Relative Pose Estimation

no code implementations27 Sep 2023 Petr Hruby, Shaohui Liu, Rémi Pautrat, Marc Pollefeys, Daniel Barath

We propose an approach for estimating the relative pose between calibrated image pairs by jointly exploiting points, lines, and their coincidences in a hybrid manner.

Pose Estimation

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