The experimental research on star image tracking system

Wei-jie Hu; Guang-Chun Bian; Jun-yuan Han

doi:10.1117/12.791271

5 March 2008 The experimental research on star image tracking system

Wei-jie Hu, Guang-Chun Bian, Jun-yuan Han

Proceedings Volume 6623, International Symposium on Photoelectronic Detection and Imaging 2007: Image Processing; 662307 (2008) https://doi.org/10.1117/12.791271
Event: International Symposium on Photoelectronic Detection and Imaging: Technology and Applications 2007, 2007, Beijing, China

Abstract

The space-borne remote sensor is the modern high performance astronautic detecting tool without limit of domain. It has high ability on object finding and widely used in military and civil field. The image quality of space remote sensor is often determined by its optical design, manufacture, system adjustment and etc... But on the other hand, the space environment such as the vibration and shaking of satellite, the wind of solar and so on have heavy influence on the quality of image. All these facts often result the jitter of the optical axis. And the jitter would greatly decrease the image quality. In order to realize the diffraction resolution limit of optical design, an image tracking system must be used in the space remote sensor. On the basis of previous study, a complete and systematic analysis is conducted on the effect of jitter on the image quality of a push-broom camera. Compared the merit and demerit of space based image tracking technology; the star image tracking system is suggested since the fast detecting speed. The simulation test bed is designed and the experiments show that the centroid location algorithm's precision achieves 0.1 CCD pixels in theory and 0.3 CCD pixels in this test bed.

Citation Download Citation

Wei-jie Hu, Guang-Chun Bian, and Jun-yuan Han "The experimental research on star image tracking system", Proc. SPIE 6623, International Symposium on Photoelectronic Detection and Imaging 2007: Image Processing, 662307 (5 March 2008); https://doi.org/10.1117/12.791271

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KEYWORDS

Stars

Charge-coupled devices

Image quality

Detection and tracking algorithms

Sensors

Image processing

Cameras

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