Utilizing Chinese high-resolution satellite images for inspection of unauthorized constructions in Beijing |
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Authors: | DeRen Li Mi Wang and Fen Hu |
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Institution: | (1) State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing, Wuhan, 430079, China |
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Abstract: | After Beijing wins the bit to host the 29th Olympic Games, in order to manifest the technical support advantages and capabilities
of the autonomously-developed RS and GIS based change detection techniques in 2008 Beijing Olympic Games, and from the standpoints
of executing new city planning, relieving the traffic congestion as well as maintaining the historic features, an automatic
satellite monitoring system has been studied and established to accomplish the mission of unauthorized construction inspection
within the Sixth Ring Road of Beijing city quarterly, by adopting the CBERS-2 satellite images and combining technologies
of GIS, GPS, etc. This article discusses the applicable procedures and key issues when utilizing such Chinese satellite images
and relevant techniques to discover the illegal constructions, and introduces the monitoring system from both the design and
implementation aspects; additionally, some typical application cases in the practice of the system are also illustrated. The
monitoring system can timely supply abundant information to facilitate the policy-making of relevant planning departments,
thus providing consolidate technical support to eliminate the illegal constructing behaviors in the blossom. During the five
years’ excellent performance, it has helped China save large amounts of expenditures for processing of unauthorized constructed
buildings.
Supported by the National Basic Research Program of China (Grant No. 2006CB701300), National Science and Technology Support
Program of China (Grant No. 2006BAB10B01) and National Natural Science Foundation of China (Grant No. 40201044) |
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Keywords: | remote sensing technology GIS analysis unauthorized urban constructions change detection |
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