Results 21 to 30 of about 142,436 (198)
Analysis and Improvement of Star Identification Algorithm Based on Singular Value Decomposition for Star Sensor [PDF]
فصلنامه علوم و فناوری فضایی, 2023 One of the attitude sensors for the spacecraft is the star sensor. The attitude calculation by the star sensor includes several steps: image processing, star identification, database search, and implementation of the attitude determination algorithm ...
Mona Zahednamazi, Alireza Toloui
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IEEE Access, 2023 The algorithm for star identification is a crucial technology for determining the orientation of spacecraft using star sensors. Traditional star identification algorithms achieve matching by seeking a unique or a few optimal solutions.
Haodong Yan +5 more
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IEEE Access, 2020 A fast and robust star identification algorithm is proposed in this paper. The algorithm is derived from the grid algorithm but significantly improves the robustness by increasing the probability of the correct close neighbor star and reducing the ...
Jian Li +3 more
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Star Identification and Attitude Determination With Projective Cameras
IEEE Access, 2021 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 most commonly used sensors for determining the attitude of modern ...
John A. Christian, John L. Crassidis
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A Fast Star Identification Algorithm of Star Sensors in the LIS Mode
Remote Sensing, 2022 In the South Atlantic Anomaly (SAA) area, due to the influence of transient noise caused by space radiation, a star sensor can easily stay in the lost-in-space (LIS) mode for a long time.
Kaili Lu +4 more
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Star-Identification System Based on Polygon Recognition
Aerospace, 2023 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 is the most critical function of the star sensor.
Gustavo E. Ramos-Alcaraz +2 more
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False Star Filtering for Star Sensor Based on Angular Distance Tracking
IEEE Access, 2019 The reliability of star sensor in a harsh environment has recently become a research hotspot. In some harsh environment such as plume interference, a large number of false stars can be observed, leading to failure in star identification.
Gangyi Wang +3 more
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A Star-Identification Algorithm Based on Global Multi-Triangle Voting
Applied Sciences, 2022 A star-identification algorithm aimed at identifying imaged stars in a “lost in space” scene, named the global multi-triangle voting algorithm (GMTV), is presented in this paper. There are two core parts included in the proposed algorithm: in the initial
Xiaobin Yuan +3 more
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Star Identification Algorithm Based on Image Normalization and Zernike Moments
IEEE Access, 2020 The star identification (star-ID) algorithm can match the stars captured by an optical system with a star catalog according to certain features. Star-ID has been an important research issue in many astronomical studies and a strong robust star-ID ...
Xiaobo Liang +3 more
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Multi-Stage Star Image Identification Method of Three Field-of-View Star Sensor
Xibei Gongye Daxue Xuebao, 2019 To improve the low efficiency and low navigation star identification rate of existing star image identification methods for three field-of-view (FOV) star sensor, a multi-stage star image identification method is proposed.
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