Results 211 to 220 of about 60,336 (244)
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The research on image processing technology of the star tracker
Proceedings of SPIE, 2014As the core of visual sensitivity via imaging, image processing technology, especially for star tracker, is mainly characterized by such items as image exposure, optimal storage, background estimation, feature correction, target extraction, iteration compensation. This paper firstly summarizes the new research on those items at home and abroad, then,
Yu-ming Li +4 more
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Quality Detection and Characterization of Star Label Printing Based on Image Processing
2019 6th International Conference on Information Science and Control Engineering (ICISCE), 2019This paper is aimed at the quality of star prints used in the quality evaluation of printing and printout industries. Using digital imaging and image processing techniques, we have established quantitative indicators for the quality of star label printing, including star dark line angle width, the shape and size of the fuzzy area, as well as the fill ...
Yanfang Xu +3 more
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Long-integration star tracker image processing for combined attitude-attitude rate estimation
Proceedings of SPIE, 2013A method is proposed for extracting attitude data from streaked star images using traditional image processing methods. The process enables collection of both attitude and angular velocity estimates from streaking star images, where traditional star identification methods would produce poor results.
Sease, Brad +2 more
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2018 26th Euromicro International Conference on Parallel, Distributed and Network-based Processing (PDP), 2018
The divisible load scheduling of image processing applications on the heterogeneous star network is addressed in this paper. In our platform, processors and links have different speeds. Also the computation and communication overheads are considered.
Nader Bagherzadeh, Sahar Nikbakht Aäli
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The divisible load scheduling of image processing applications on the heterogeneous star network is addressed in this paper. In our platform, processors and links have different speeds. Also the computation and communication overheads are considered.
Nader Bagherzadeh, Sahar Nikbakht Aäli
exaly +2 more sources
Star image processing method of star sensor based on star points prediction
2022 China Automation Congress (CAC), 2022Lei Zhang +4 more
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2016 IEEE/ION Position, Location and Navigation Symposium (PLANS), 2016
Star sensor could work independently ignoring the outside interference, but the disadvantages of star sensor are low output frequency and the limitation in cloudy or rainy day. SINS/CNS integrated navigation system exactly makes up for the deficiencies. However, the practical environment of the surface ship with SINS/CNS integrated navigation system is
Guochen Wang
exaly +2 more sources
Star sensor could work independently ignoring the outside interference, but the disadvantages of star sensor are low output frequency and the limitation in cloudy or rainy day. SINS/CNS integrated navigation system exactly makes up for the deficiencies. However, the practical environment of the surface ship with SINS/CNS integrated navigation system is
Guochen Wang
exaly +2 more sources
Star sensor image on-board Processing for orbiting Objects deTection -SPOT
2020This work presents the status of the study conducted by the School of Aerospace Engineering of Sapienza University of Rome in the framework of the Italian Space Agency project SPOT (Star sensor image on-board Processing for Orbiting objects deTection). The idea is to exploit star sensors to detect moving objects, which appear as streaks in the acquired
Fabio Curti +7 more
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2011 Fifth International Conference on Innovative Mobile and Internet Services in Ubiquitous Computing, 2011
This paper presents FPGA based VGA display interface design for image display verification during test procedure in the star sensor debugging phase. Methods of asynchronous FIFO, methods for data update during line blanking interval and vertical blanking interval were adopted, and CCD camera's requirements for special sequential order were satisfied ...
Linyang Sheng +3 more
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This paper presents FPGA based VGA display interface design for image display verification during test procedure in the star sensor debugging phase. Methods of asynchronous FIFO, methods for data update during line blanking interval and vertical blanking interval were adopted, and CCD camera's requirements for special sequential order were satisfied ...
Linyang Sheng +3 more
openaire +1 more source
Image processing, simulation and performance predictions for the MicroMak star tracker
SPIE Proceedings, 2005The MicroMak device is a new, high-precision, very compact star sensor weighing less than 100 grams, with three independent 4-degree square fields of view. The collection telescope is a Maksutov design that incorporates three telescopes into a single sensor head.
Carl A. Nardell +2 more
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Determining star-image location: A new sub-pixel interpolation technique to process image centroids
Computer Physics Communications, 2007zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Brendan M. Quine +3 more
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