Results 41 to 50 of about 141,665 (237)
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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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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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 Voting-Based Star Identification Algorithm Using a Partitioned Star Catalog
Applied SciencesWith the rapid advancement of aerospace technology, the maneuverability of spacecraft has increasingly improved, creating a pressing demand for star sensors with a high attitude update rate and high precision. Star identification, as the most complex and
Xu He +5 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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Fast Access for Star Catalog Based on Locality-Sensitive Hashing [PDF]
Xibei Gongye Daxue Xuebao, 2018 In order to improve the access speed and robustness of star catalog database during star identification, an algorithm based on locality-sensitive hashing is proposed.
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Optimal orderings of k-subsets for star identification [PDF]
2016 IEEE Symposium Series on Computational Intelligence (SSCI), 2016 Finding the optimal ordering of k-subsets with respect to an objective function is known to be an extremely challenging problem. In this paper we introduce a new objective for this task, rooted in the problem of star identification on spacecrafts: subsets of detected spikes are to be generated in an ordering that minimizes time to detection of a valid ...
Joerg H. Mueller +3 more
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Improved triangular-based star pattern recognition algorithm for low-cost star trackers
Journal of King Saud University: Computer and Information Sciences, 2021 Star identification algorithms based on triangular-pattern are more suitable for low-cost star trackers since they require less star density in the field of view to operate effectively.
Abderrahim Nabi +2 more
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Pediatric Blood &Cancer, EarlyView.ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen +23 more
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A Robust Star Identification Algorithm Based on a Masked Distance Map
Remote Sensing, 2022 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 embedded validation mechanism were designed to accelerate the ...
Hao Yuan, Dongxu Li, Jie Wang
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