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This paper selected multi-source and multi-scale data to realize the 3D visualization of remote sensing images through digital processing and high-precision DEM modeling.bDigital Elevation Model (DEM) shows terrain factor, and images of surface textures cover the real situation. With ERDAS software support , we modeled the virtual three-dimensional flight by integrating the image data and the DEM...
Landscape spatial patterns have profound implications for the functions of ecosystem. Remote sensing is an important tool for monitoring and managing structural changes of protected areas. Based on landscape ecological principles, the paper presents a case study on landscape pattern with the application of satellite remote sensing and GIS data, using dynamic analysis method. Such indices as the patch...
Kangding County is the important gateway to Tibet Autonomous Region, China. Recently, Kangding County, relying on its water, minerals, tourism, ecology and other advantages of resources, has developed economy, which impact on the ecological environment more apparently. In this paper, we used two LANDSAT TM and ETM data sets and some other vetor data to quantitatively estimate changes in the size of...
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