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Poster

Variational State-Space Models for Localisation and Dense 3D Mapping in 6 DoF

Atanas Mirchev · Baris Kayalibay · Patrick van der Smagt · Justin Bayer

Keywords: [ deep learning ] [ generative models ] [ bayesian inference ] [ variational inference ] [ SLAM ]


Abstract:

We solve the problem of 6-DoF localisation and 3D dense reconstruction in spatial environments as approximate Bayesian inference in a deep state-space model. Our approach leverages both learning and domain knowledge from multiple-view geometry and rigid-body dynamics. This results in an expressive predictive model of the world, often missing in current state-of-the-art visual SLAM solutions. The combination of variational inference, neural networks and a differentiable raycaster ensures that our model is amenable to end-to-end gradient-based optimisation. We evaluate our approach on realistic unmanned aerial vehicle flight data, nearing the performance of state-of-the-art visual-inertial odometry systems. We demonstrate the applicability of the model to generative prediction and planning.

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