Abstract
This paper proposed a technique for integration of 3S (GIS, RS and GPS) in urban real estate dynamic monitoring within a mobile environment. The framework of the technique includes two major parts: one is the change detection of buildings from high resolution satellite images, the other one is the dynamic monitoring based on 3S integration within a mobile GIS environment. The processing methods of geometric correction, image fusion, building extraction and interactive change detection are discussed. Based on the information of change detection, a monitoring system is utilized by using 3S integration technique in a mobile GIS environment. The ground monitoring data is collected using a PDA GIS system, and the information is sent to the GIS server database to update the related data through the mobile GIS.
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