Poster

Learning Correspondence Uncertainty via Differentiable Nonlinear Least Squares

Dominik Muhle · Lukas Koestler · Krishna Murthy Jatavallabhula · Daniel Cremers

West Building Exhibit Halls ABC 071
[ Abstract ] [ Project Page ]
[ Paper PDF [ Slides [ Poster
Wed 21 Jun 4:30 p.m. PDT — 6 p.m. PDT

Abstract:

We propose a differentiable nonlinear least squares framework to account for uncertainty in relative pose estimation from feature correspondences. Specifically, we introduce a symmetric version of the probabilistic normal epipolar constraint, and an approach to estimate the covariance of feature positions by differentiating through the camera pose estimation procedure. We evaluate our approach on synthetic, as well as the KITTI and EuRoC real-world datasets. On the synthetic dataset, we confirm that our learned covariances accurately approximate the true noise distribution. In real world experiments, we find that our approach consistently outperforms state-of-the-art non-probabilistic and probabilistic approaches, regardless of the feature extraction algorithm of choice.

Chat is not available.