Riccardo Vukovic'
Matching Algorithms for Target Localization in Pinpoint Landing.
Rel. Andrea Bottino. Politecnico di Torino, Master of science program in Computer Engineering, 2025
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Abstract
Pinpoint landing identifies the capability to land on a planet, e.g. Mars or the Moon, with a position error lower than few tens of meters. To reach this challenging aim different technologies are involved. Looking deeper at the area of the terrain relative navigation and strategies, this work focuses in particular on the development and analysis of two matching algorithms designed to initialize the landing sequence. The primary purpose of the matching algorithms is to provide an initial estimate of the spacecraft pose with respect to the landing target, encompassing both position and attitude. This estimation serves as a crucial input for initializing the guidance and navigation system during the final descent phase towards the established landmark.
To achieve this, during the descent phase a Landing Vision System (LVS) mounted on the spacecraft captures multiple images of the planetary surface and various landmark features- such as radius and relative coordinates- are extracted
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