Robust and efficient star identification algorithm based on 1-D convolutional neural network
S Yang, L Liu, J Zhou, Y Zhao, G Hua… - … on Aerospace and …, 2022 - ieeexplore.ieee.org
As the core of the attitude determination system, the star sensor working in “lost in space”
scenarios requires the star identification algorithm to be robust and fast with limited …
scenarios requires the star identification algorithm to be robust and fast with limited …
Star identification based on euclidean distance transform, voronoi tessellation, and k-nearest neighbor classification
In this paper, an image-based lost in space star identification algorithm is developed for a
typical daytime star tracker that uses uniform selection of the 2 Micron All Sky Survey …
typical daytime star tracker that uses uniform selection of the 2 Micron All Sky Survey …
A hamming distance and spearman correlation based star identification algorithm
This paper presents a novel star identification algorithm for a “lost-in-space” mode star
tracker. The Spearman-correlation approach provides reliable recognition even when the …
tracker. The Spearman-correlation approach provides reliable recognition even when the …
A rotation-invariant additive vector sequence based star pattern recognition
A novel star pattern recognition technique for a “Lost-in-space” mode star tracker is
presented in this paper. First, the two-dimensional (2-D) vectors connecting the stars are …
presented in this paper. First, the two-dimensional (2-D) vectors connecting the stars are …
Space optical communication system for space optical networks and deep space exploration
J Wang, B Li, H Gao, Y Lin, Z Su - Journal of Optical Communications …, 2024 - opg.optica.org
<? TeX 2pc 0pt?> The acquisition time of tens to hundreds of seconds in the optical link
between satellites makes it difficult to meet the needs of constructing spatial optical …
between satellites makes it difficult to meet the needs of constructing spatial optical …
An autonomous global star identification algorithm based on the fast MST index and robust multi-order CCA pattern
Star identification plays a key role in spacecraft attitude measurement. Currently, most star
identification algorithms tend to perform well only in a scene without noise and are highly …
identification algorithms tend to perform well only in a scene without noise and are highly …
A robust star identification algorithm based on a masked distance map
H Yuan, D Li, J Wang - Remote Sensing, 2022 - mdpi.com
The authors of this paper propose a robust star identification algorithm for a 'Lost-In-Space'-
mode star tracker for lost-cost CubeSat missions. A two-step identification framework and an …
mode star tracker for lost-cost CubeSat missions. A two-step identification framework and an …
Space optical communication system with a sub-second acquisition time
J Wang, B Li, T Zhao, Y Sun - Optics Letters, 2022 - opg.optica.org
Acquisition is the key technology in space laser communication and the nodus in
communication-link establishment. Traditional laser communication demands too long an …
communication-link establishment. Traditional laser communication demands too long an …
A robust star identification algorithm with star shortlisting
A star tracker provides the most accurate attitude solution in terms of arc seconds compared
to the other existing attitude sensors. When no prior attitude information is available, it …
to the other existing attitude sensors. When no prior attitude information is available, it …
A high dynamic range CMOS image sensor with dual-exposure charge subtraction scheme
In this paper, we present a CMOS image sensor for star centroid measurement for the
application of star trackers. We propose a new capacitive transimpedance amplifier pixel …
application of star trackers. We propose a new capacitive transimpedance amplifier pixel …