Search Results for author: John Christian

Found 2 papers, 1 papers with code

LONEStar: The Lunar Flashlight Optical Navigation Experiment

no code implementations22 Jan 2024 Michael Krause, Ava Thrasher, Priyal Soni, Liam Smego, Reuben Isaac, Jennifer Nolan, Micah Pledger, E. Glenn Lightsey, W. Jud Ready, John Christian

This paper documents the results from the highly successful Lunar flashlight Optical Navigation Experiment with a Star tracker (LONEStar).

Keypoint-based Stereophotoclinometry for Characterizing and Navigating Small Bodies: A Factor Graph Approach

1 code implementation11 Dec 2023 Travis Driver, Andrew Vaughan, Yang Cheng, Adnan Ansar, John Christian, Panagiotis Tsiotras

This paper proposes the incorporation of techniques from stereophotoclinometry (SPC) into a keypoint-based structure-from-motion (SfM) system to estimate the surface normal and albedo at detected landmarks to improve autonomous surface and shape characterization of small celestial bodies from in-situ imagery.

Keypoint Detection

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