A Research of High-Performance Geometric Precision Correction Based on Reference Image Database

Ling Jun Zhao; Wan Feng Zhang; Ding Sheng Liu

doi:10.4028/www.scientific.net/AEF.6-7.601

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HomeAdvanced Engineering ForumAdvanced Engineering Forum Vols. 6-7A Research of High-Performance Geometric Precision...

A Research of High-Performance Geometric Precision Correction Based on Reference Image Database

Abstract:

Geometric precision correction of remote sensing image plays a more and more important role in the application of high precision remote sensing. A reference image database is built up based on PostgreSQL, an open-source relation database, and ArcSDE, a widely used spatial data engine. Compared with single reference image, the reference image database has the advantages of managing convenience, lower-cost maintenance and high retrieval efficiency. Meanwhile, the correction accuracy is boasted by Gopfert algorithm , and efficiency is improved by advanced parallel model based on parallel I/O and I/O hidden strategy. Beyond this, combined with MapServer which can rapidly display images, a geometric precision correction system of high performance with dual servers is formed, with which mass production ability is achieved.

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Periodical:

Advanced Engineering Forum (Volumes 6-7)

Pages:

601-606

DOI:

https://doi.org/10.4028/www.scientific.net/AEF.6-7.601

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Online since:

September 2012

Authors:

Ling Jun Zhao, Wan Feng Zhang, Ding Sheng Liu

Keywords:

Geometric Precision Correction, High Performance, Parallel, Reference Image Database

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Creative Commons CC BY 4.0

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