Compensation of star image motion for a CMOS image sensor with a rolling shutter

doi:10.37188/CO.2020-0089

CIOMP OpenIR

	Compensation of star image motion for a CMOS image sensor with a rolling shutter
	B.-Y. Zhang,D.-Z. Kong,J.-G. Liu,X.-X. Wu and D.-Y. Dong
	2020
发表期刊	Chinese Optics
ISSN	20951531
卷号	13 期号:6 页码:1276-1284
摘要	According to the imaging principles and characteristics of a shutter CMOS image sensor, the shutter effect introduced by a shutter CMOS image detector operating on a star map is analyzed, and an image shift compensation method is proposed to rectify the image distortion introduced by this kind of imaging method. With the known frame frequency of the star images and the exposure time interval of the adjacent rows of the CMOS graphic sensor, this method can achieve high-speed calculation of star motion by extracting and matching the centroid of the star points in an adjacent star map. The centroid of the star points in a global image is calculated by combining the speed value with the row exposure time interval of the CMOS image sensor. The effect of the algorithm is tested on actual star images. The experimental results show that with the compensated star map, angle errors between the star sensors are smaller than 0.5 when a satellite is in non-maneuver mode, and angle errors between either of the star sensors are about 0.6 when the satellite is in maneuver mode. The experimental results not only prove the effectiveness of the algorithm, but also broaden the applications of shutter CMOS detectors to some extent, especially in aerospace engineering. Copyright 2020 Chinese Optics. All rights reserved.
DOI	10.37188/CO.2020-0089
URL	查看原文
收录类别	EI
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/64375
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	B.-Y. Zhang,D.-Z. Kong,J.-G. Liu,X.-X. Wu and D.-Y. Dong. Compensation of star image motion for a CMOS image sensor with a rolling shutter[J]. Chinese Optics,2020,13(6):1276-1284.
APA	B.-Y. Zhang,D.-Z. Kong,J.-G. Liu,X.-X. Wu and D.-Y. Dong.(2020).Compensation of star image motion for a CMOS image sensor with a rolling shutter.Chinese Optics,13(6),1276-1284.
MLA	B.-Y. Zhang,D.-Z. Kong,J.-G. Liu,X.-X. Wu and D.-Y. Dong."Compensation of star image motion for a CMOS image sensor with a rolling shutter".Chinese Optics 13.6(2020):1276-1284.

条目包含的文件		下载所有文件
文件名称/大小	文献类型	版本类型	开放类型	使用许可
Compensation of star（3485KB）	期刊论文	出版稿	开放获取	CC BY-NC-SA	浏览下载