Linalool enables reversible immobilization for high-resolution <i>in vivo</i> imaging during regeneration in <i>Schmidtea mediterranea</i>. [PDF]
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Protocol for the detection of large dense-core vesicle exocytosis using an automated image-processing algorithm. [PDF]
STAR ProtocMakam A +5 more
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Brain-Inspired Multi-Pathway Motion Decision-Making for Obstacle Avoidance of Humanoid Arms. [PDF]
Biomimetics (Basel)Liu Z, Chen J.
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Boltzmann entropy based star identification algorithm for star tracker
SPIE Proceedings, 2005In this paper star identification has been formulated as a pattern recognition problem. Star patterns, as seen from spacecrafts, are represented as feature descriptor containing directional cosines of the guide-star, star indices and singular value for each star group.
C. Zhang, X. B. Shen, C. Y. Chen
exaly +2 more sources
Algorithms of the Attitude Matching of Star Tracker and Camera of Spacecraft
Journal of Automation and Information Sciences, 2015 Розглянуто задачу уточнення параметрів взаємної орієнтації бортової знімальної камери і зоряного датчика у корпусі космічного апарата, що обертається навколо Землі, за спостереженнями топографічно прив’язаних наземних орієнтирів.
Alexander I Tkachenko
exaly +3 more sources
Star recognition algorithm for APS star tracker: oriented triangles
IEEE Aerospace and Electronic Systems Magazine, 2005An efficient star pattern recognition algorithm is presented. The purpose of this algorithm is to make sure of the compatibility of the software and the imaging sensor noise level. The new CMOS APS sensors have not currently reached the same accuracy as the former CCD sensors in position as well as in magnitude determination, especially in the dynamic ...
G. Lamy Au Rousseau +2 more
exaly +2 more sources
Application of Fuzzy Isodata Algorithms to Star Tracker Pointing Systems
IFAC Postprint Volumes IPPV / International Federation of Automatic Control, 1978Abstract A fuzzy ISODATA algorithm is applied to cluster analysis of starfield data presented by 51 bright stars near Polaris. The investigation is a preliminary effort to determine the feasibility of using star clusters for reference in star tracker pointing systems.
exaly +2 more sources
A fast recognition algorithm for star identification of star trackers
IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society, 2017This paper focuses on recognizing the correct match of star identification among multiple possible candidates for star trackers. Derived from the perturbation theory, a tolerance criterion is proposed and proved to check the correctness of the candidates.
Xiaochu Wang +4 more
openaire +1 more source
Geometric voting algorithm for star trackers
IEEE Transactions on Aerospace and Electronic Systems, 2008We present an algorithm for recovering the orientation (attitude) of a satellite-based camera. The algorithm matches stars in an image taken with the camera to stars in a star catalogue. The algorithm is based on a geometric voting scheme in which a pair of stars in the catalogue votes for a pair of stars in the image if the angular distance between ...
Michael Kolomenkin +3 more
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A new guide star selection algorithm for star tracker
Fifth World Congress on Intelligent Control and Automation (IEEE Cat. No.04EX788), 2004The purpose of this paper is to generate a near uniform guide star catalog (GSC), which has minimum number of guide stars and covers the whole celestial sphere. Minimum Boltzmann entropy (MBE) has been used as criteria to select or reject a star from candidate stars inside field of view (FOV).
null Chen Zhang +2 more
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