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	Super-resolution images reconstruction methods applied to GFE-referenced navigation system - art. no. 67902N
	Yan, Lei ; Lin, Yi ; Tong, Qingxi
	2007
关键词	super-resolution navigation MAP GFE reconstruction
英文摘要	The problem about reference grid data's overlarge spacing, which makes deviated estimation of un-surveyed points and poor accuracy of correlation positioning, has been embarrassing Geophysical Fields of the Earth (GFE) referenced navigation research. The super-resolution images reconstruction methods in remote sensing field give some inspiration, and its brief method, Maximum A-Posterior (MAP) based on Bayesian theory, is transplanted on grid data. The proposed algorithm named MAP-G can implement interpolation of reference data field by reflecting whole distribution trend. Comparison with traditional interpolation algorithms and simulation experiments on underwater terrain/gravity-aided navigation platform, indicate that MAP-G algorithm can effectively improve navigation's performance.; Remote Sensing; Optics; EI; CPCI-S(ISTP); 0
语种	英语
DOI标识	10.1117/12.750940
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/406543]
专题	地球与空间科学学院
推荐引用方式 GB/T 7714	Yan, Lei,Lin, Yi,Tong, Qingxi. Super-resolution images reconstruction methods applied to GFE-referenced navigation system - art. no. 67902N. 2007-01-01.

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