Framework of Jitter Detection and Compensation for High Resolution Satellites
AbstractAttitude jitter is a common phenomenon in the application of high resolution satellites, which may result in large errors of geo-positioning and mapping accuracy. Therefore, it is critical to detect and compensate attitude jitter to explore the full geometric potential of high resolution satellites. In this paper, a framework of jitter detection and compensation for high resolution satellites is proposed and some preliminary investigation is performed. Three methods for jitter detection are presented as follows. (1) The first one is based on multispectral images using parallax between two different bands in the image; (2) The second is based on stereo images using rational polynomial coefficients (RPCs); (3) The third is based on panchromatic images employing orthorectification processing. Based on the calculated parallax maps, the frequency and amplitude of the detected jitter are obtained. Subsequently, two approaches for jitter compensation are conducted. (1) The first one is to conduct the compensation on image, which uses the derived parallax observations for resampling; (2) The second is to conduct the compensation on attitude data, which treats the influence of jitter on attitude as correction of charge-coupled device (CCD) viewing angles. Experiments with images from several satellites, such as ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiaometer), LRO (Lunar Reconnaissance Orbiter) and ZY-3 (ZiYuan-3) demonstrate the promising performance and feasibility of the proposed framework.
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Tong, X.; Ye, Z.; Xu, Y.; Tang, X.; Liu, S.; Li, L.; Xie, H.; Wang, F.; Li, T.; Hong, Z. Framework of Jitter Detection and Compensation for High Resolution Satellites. Remote Sens. 2014, 6, 3944-3964.
Tong X, Ye Z, Xu Y, Tang X, Liu S, Li L, Xie H, Wang F, Li T, Hong Z. Framework of Jitter Detection and Compensation for High Resolution Satellites. Remote Sensing. 2014; 6(5):3944-3964.Chicago/Turabian Style
Tong, Xiaohua; Ye, Zhen; Xu, Yusheng; Tang, Xinming; Liu, Shijie; Li, Lingyun; Xie, Huan; Wang, Fengxiang; Li, Tianpeng; Hong, Zhonghua. 2014. "Framework of Jitter Detection and Compensation for High Resolution Satellites." Remote Sens. 6, no. 5: 3944-3964.