Oblique distance defocus compensation for oblique photographic airborne camera

	Oblique distance defocus compensation for oblique photographic airborne camera
	Liu B.; Jia J.-Q.; Ding Y.-L.; Su D.-F.
	2014
发表期刊	Guangxue Jingmi Gongcheng/Optics and Precision Engineering
ISSN	ISBN/1004924X
卷号	22 期号:5 页码:1274-1279
摘要	For defocus generated during imaging from an oblique photographic airborne camera, a corresponding focusing mechanism was designed to compensate oblique distance defocus for high imaging quality. The principle of oblique distance defocus was analyzed, the formula of defocus compensation was obtained and a cam mechanism was proposed to compensate the defocus. A focusing mechanism based on a cylindrical cam was designed to replace the traditional focusing mechanism based on eccentric cam, in which the theoretically mode is exact instead of proximal. As the oblique distance defocus system was designed based on a typical height, the residual defocus would be emerged at other heights. The cause of residual defocus was analyzed. The process method and process flow were developed to eliminate the residual defocus. All amount of oblique distance defocus were compensated in all heights and scan angels. Camera imaging simulation with different objects in laboratory approves the validity and accuracy of the proposed focusing mechanism.
收录类别	EI
语种	中文
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/44201
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Liu B.,Jia J.-Q.,Ding Y.-L.,et al. Oblique distance defocus compensation for oblique photographic airborne camera[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2014,22(5):1274-1279.
APA	Liu B.,Jia J.-Q.,Ding Y.-L.,&Su D.-F..(2014).Oblique distance defocus compensation for oblique photographic airborne camera.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,22(5),1274-1279.
MLA	Liu B.,et al."Oblique distance defocus compensation for oblique photographic airborne camera".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 22.5(2014):1274-1279.

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