Abstract Missions to small celestial bodies rely heavily on optical feature tracking for characterization of and relative navigation around the target body. While deep learning has led to great advancements in feature detection and description, training and validating data-driven models for space applications is challenging due to the limited availability of large-scale, annotated datasets. This paper introduces AstroVision, a large-scale dataset comprised of 115,970 densely annotated, real images of 16 different small bodies captured during past and ongoing missions. We leverage AstroVision to develop a set of standardized benchmarks and conduct an exhaustive evaluation of both handcrafted and data-driven feature detection and description methods. Next, we employ AstroVision for end-to-end training of a state-of-the-art, deep feature detection and description network and demonstrate improved performance on multiple benchmarks. The full benchmarking pipeline and the dataset will be made publicly available to facilitate the advancement of computer vision algorithms for space applications.
Highlights Missions to small bodies rely heavily on humans for optical feature tracking. Deep Learning has led to great advancements in feature detection and description. We present AstroVision, a first-of-a-kind dataset for vision-based tasks near small bodies. We conduct an extensive evaluation of feature detection and description methods. We demonstrate increased performance by training a deep feature network on our data.
AstroVision: Towards autonomous feature detection and description for missions to small bodies using deep learning
Acta Astronautica ; 210 ; 393-410
2023-01-10
18 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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