Lunar crater identification in digital images
It is often necessary to identify a pattern of observed craters in a single image of the lunar
surface and without any prior knowledge of the camera's location. This so-called “lost-in …
surface and without any prior knowledge of the camera's location. This so-called “lost-in …
Star identification and attitude determination with projective cameras
Images of starfields collected by a projective camera are useful for a variety of scientific and
engineering purposes. This utility is exemplified by star trackers, which are amongst the …
engineering purposes. This utility is exemplified by star trackers, which are amongst the …
Star-Identification System Based on Polygon Recognition
Accurate attitude determination is crucial for satellites and spacecraft. Among attitude
determination devices, star sensors are the most accurate. Solving the lost-in-space problem …
determination devices, star sensors are the most accurate. Solving the lost-in-space problem …
Maximum radial pattern matching for minimum star map identification
J Fu, Q Li, L Lin, H Wei - EURASIP Journal on Advances in Signal …, 2024 - Springer
This paper proposes an all-sky star map identification algorithm that can simultaneously
achieve high identification probability, low algorithm complexity, and small databases for …
achieve high identification probability, low algorithm complexity, and small databases for …
A Robust High-Accuracy Star Map Matching Algorithm for Dense Star Scenes
Q Sun, Z Niu, Y Li, Z Wang - Remote Sensing, 2024 - mdpi.com
The algorithm proposed in this paper aims at solving the problem of star map matching in
high-limiting-magnitude astronomical images, which is inspired by geometric voting star …
high-limiting-magnitude astronomical images, which is inspired by geometric voting star …
Self-Calibration for Star Sensors
J Fu, L Lin, Q Li - Sensors, 2024 - mdpi.com
Aiming to address the chicken-and-egg problem in star identification and the intrinsic
parameter determination processes of on-orbit star sensors, this study proposes an on-orbit …
parameter determination processes of on-orbit star sensors, this study proposes an on-orbit …
Multidimensional optimization-improved grid star map recognition algorithm
B Zhao, Y Zhang, D Yang, T Ren, S Yang, J Zhang… - Optics …, 2024 - opg.optica.org
In high-precision celestial navigation, star map recognition algorithms are crucial. We
identified limitations in the classical grid star map recognition algorithm (CGSMRA) …
identified limitations in the classical grid star map recognition algorithm (CGSMRA) …
Rapid star identification algorithm for fish-eye camera based on PPP/INS assistance
C Li, Y Yang, G **ao, Z Chen, S Tong… - The Journal of Navigation, 2022 - cambridge.org
The fish-eye star sensor with a field of view (FOV) of 180° is an important piece of equipment
for attitude determination, which improves the visibility of stars significantly. However, it also …
for attitude determination, which improves the visibility of stars significantly. However, it also …
Proposals for Surmounting Sensor Noises
Classical and optimal control architectures for motion mechanics in the presence of noisy
sensors use different algorithms and calculations to perform and control any number of …
sensors use different algorithms and calculations to perform and control any number of …