Title :
Rapid star acquisition algorithm in star sensor
Author :
Li, Yufeng ; Xue, Rongkun ; Liang, Fei
Author_Institution :
Dept. of Electron. Eng., Shenyang Inst. of Aeronaut. Eng., Shenyang
Abstract :
A new rapid star acquisition method is presented. At first, the characteristic of digital star image is analyzed and the thresholding method for image segmentation is discussed. By use of the optimal thresholding method, the practicable automatic threshold is found. Then the connectivity of segmented star image is analyzed to remove the error object. Thus the overall star acquisition is performed and the containing rectangle of the star in the image is obtained. The theoretical analysis and experimental results show the effectiveness and practicability.
Keywords :
astronomical image processing; image segmentation; image sensors; digitaf star image; image segmentation; rapid star acquisition algorithm; segmented star image; star sensor; Algorithm design and analysis; Image analysis; Image segmentation; Image sensors; Optical noise; Optical sensors; Performance analysis; Sensor phenomena and characterization; Sensor systems; Signal analysis; connectivity analysis; image segmentation; star acquisition; star image; star sensor;
Conference_Titel :
Information and Automation, 2008. ICIA 2008. International Conference on
Conference_Location :
Changsha
Print_ISBN :
978-1-4244-2183-1
Electronic_ISBN :
978-1-4244-2184-8
DOI :
10.1109/ICINFA.2008.4608231
