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The hyperspectral remote sensing can detect the more detailed objects on earth surface for its hundreds of wave bands. This make it can be used for very detailed land cover mapping. The study area Yanhe river valley locates on the north west of China, its size of area is 7725 km2 and length 286.9km. The most objects on the area are vegetations including crops, trees, grasses, and water. For test the...
Image segmentation is a process of delineating an image into homogeneous polygons related to objects on the ground, and it is the foundation for further image analysis and interpretation. Low- or medium-resolution remotely sensed image usually leads to low accuracy of image segmentation because of large pixel sizes and a lot of mixed pixels. Thus, high-resolution image will probably result in increase...
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