Star Centroiding Based on Fast Gaussian Fitting for Star Sensors [PDF]
Sensors, 2018 The most accurate star centroiding method for star sensors is the Gaussian fitting (GF) algorithm, because the intensity distribution of a star spot conforms to the Gaussian function, but the computational complexity of GF is too high for real-time ...
Xiaowei Wan +4 more
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An Optical System of Star Sensors with Accuracy Performance Varying with the Field of View [PDF]
Sensors, 2023 The field of view and single-star measurement accuracy are crucial metrics for assessing the performance of a star sensor. The field of view determines the spatial range of stars that can be captured by the sensor, while the single-star measurement ...
Xiaoheng Wang +3 more
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Self-Calibration for Star Sensors [PDF]
SensorsAiming 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 self-calibration method for star sensors that does not depend on star ...
Jingneng Fu, Ling Lin, Qiang Li
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Star Identification Based on Multilayer Voting Algorithm for Star Sensors [PDF]
Sensors, 2021 This paper describes the multilayer voting algorithm, a novel autonomous star identification method for spacecraft attitude determination. The proposed algorithm includes two processes: an initial match process and a verification process.
Meiying Liu +3 more
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Blurred Star Image Processing for Star Sensors under Dynamic Conditions [PDF]
Sensors, 2012 The precision of star point location is significant to identify the star map and to acquire the aircraft attitude for star sensors. Under dynamic conditions, star images are not only corrupted by various noises, but also blurred due to the angular rate ...
Lei Guo, Weina Zhang, Wei Quan
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Attitude Correlated Frames Based Calibration Method for Star Sensors [PDF]
Sensors, 2023 Star sensors undergo laboratory calibration before they leave the factory. In addition, recalibration is necessary after they experience vibration, deformation, etc.
Liheng Ma +4 more
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Sieve Search Centroiding Algorithm for Star Sensors [PDF]
Sensors, 2023 The localization of the center of the star image formed on a sensor array directly affects attitude estimation accuracy. This paper proposes an intuitive self-evolving centroiding algorithm, termed the sieve search algorithm (SSA), which employs the ...
Vivek Chandran Karaparambil +2 more
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An Autonomous Star Identification Algorithm Based on One-Dimensional Vector Pattern for Star Sensors [PDF]
Sensors, 2015 In order to enhance the robustness and accelerate the recognition speed of star identification, an autonomous star identification algorithm for star sensors is proposed based on the one-dimensional vector pattern (one_DVP). In the proposed algorithm, the
Liyan Luo, Luping Xu, Hua Zhang
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A Star Recognition Method Based on the Adaptive Ant Colony Algorithm for Star Sensors [PDF]
Sensors, 2010 A new star recognition method based on the Adaptive Ant Colony (AAC) algorithm has been developed to increase the star recognition speed and success rate for star sensors.
Jiancheng Fang, Wei Quan
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High Update Rate Attitude Measurement Method of Star Sensors Based on Star Point Correction of Rolling Shutter Exposure [PDF]
Sensors, 2021 Attitude update rate is one of the important indicators of star sensor performance. In order to resolve the problem of the low attitude update rate of star sensors, this paper proposes a star sensor attitude update method based on star point correction ...
Longdong He +4 more
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