Technology and Methodology |
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A NEW METHOD FOR COLLECTING CONTROLLING POINTS |
HE Wei, LI Bing-bai, ZHANG Ya-Xiang, JIN Zhi-qing |
Nanjing Agricultural Remote Sensing Sub_center of JAAS, Nanjing210014, China |
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Abstract The collection of controlling points is an important work in remote sensing application. As the topographic maps are generally out-of-date, there exist some difficulties in collecting controlling points. In this paper, a new method for collecting control points is recommended. Firstly, employing the software of coreldraw and making full use of the characteristics of rivers, roads and other surface features, we can adjust the image and make it perfectly consistent with the topographic map. Second, the points of kilometer web in the topographic map are selected as controlling points, with their coordinates indicated. In this way, the difficulties can be overcome.
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Keywords
Eastern economic zones of China
Remote sensing dynamic monitoring
GIS
Wetlands
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Issue Date: 02 August 2011
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[1] Bernstein, Ralph, et al.. Image geometry and rectification[A]. In: Rebert N. Chapter 21 in manual of remote sensing[M]. Colwell falls church: Virginia American Society of Photogrammetry, 1983.[2] ESRI. Map projection & COORDINATE MANAGEMENT: Concepts and proceures Redlands[M]. California: ERSRI, Inc 1992. |
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