Search Results for author: Lena M. Downes

Found 3 papers, 0 papers with code

Wide-Area Geolocalization with a Limited Field of View Camera

no code implementations23 Sep 2022 Lena M. Downes, Ted J. Steiner, Rebecca L. Russell, Jonathan P. How

This paper presents Restricted FOV Wide-Area Geolocalization (ReWAG), a cross-view geolocalization approach that generalizes WAG for use with standard, non-panoramic ground cameras by creating pose-aware embeddings and providing a strategy to incorporate particle pose into the Siamese network.

City-wide Street-to-Satellite Image Geolocalization of a Mobile Ground Agent

no code implementations10 Mar 2022 Lena M. Downes, Dong-Ki Kim, Ted J. Steiner, Jonathan P. How

Taken together, WAG's network training and particle filter weighting approach achieves city-scale position estimation accuracies on the order of 20 meters, a 98% reduction compared to a baseline training and weighting approach.

Position

Lunar Terrain Relative Navigation Using a Convolutional Neural Network for Visual Crater Detection

no code implementations15 Jul 2020 Lena M. Downes, Ted J. Steiner, Jonathan P. How

Terrain relative navigation can improve the precision of a spacecraft's position estimate by detecting global features that act as supplementary measurements to correct for drift in the inertial navigation system.

Position

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