Barbara Roessle

Since 2021, I am a PhD candidate in the Visual Computing and AI Lab at the Technical University of Munich advised by Prof. Matthias Nießner. My interest is in neural rendering, 3D reconstruction and novel view synthesis.

From 2016-2021, I was developing software for autonomous driving at BMW, focusing on localization and sensor fusion.

I studied computer science (M.Sc.) and electrical engineering (B.Eng.) at the Universities of Applied Sciences in Ulm and Esslingen.

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Publications

GANeRF proposes an adversarial formulation whose gradients provide feedback for a 3D-consistent neural radiance field representation. This introduces additional constraints that enable more realistic novel view synthesis.

End2End Multi-View Feature Matching connects feature matching and pose optimization in an end-to-end trainable approach that enables matches and confidences to be informed by the pose estimation objective. We introduce GNN-based multi-view matching to predict matches and confidences tailored to a differentiable pose solver, which significantly improves pose estimation performance.

We leverage dense depth priors for recovering neural radiance fields (NeRF) of complete rooms when only a handful of input images are available. First, we take advantage of the sparse depth that is freely available from the structure from motion preprocessing. Second, we use depth completion to convert these sparse points into dense depth maps and uncertainty estimates, which are used to guide NeRF optimization.

We present an efficient 6dof localization based on camera recognized landmarks and a HD map using an extended Kalman filter. With many landmark types, we find that fusing 2D landmarks from the image plane directly is a beneficial alternative to fusing 3D landmarks assuming prior 3D reconstruction: while achieving comparable accuracy, it circumvents 3D reconstruction, thereby reducing the computational effort, which is highly desirable in autonomous driving.

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