House change detection based on DSM of aerial image in urban area |
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| Authors: | Fan Hong Zhang Jianqing Zhang Zuxun Liu Zhifang |
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| Institution: | (1) National Laboratory for Information Engineering in Surveying, Mapping and Remote Sensing, WTUSM, 129 Luoyu Road, 430079 Wuhan, China |
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| Abstract: | The change of house often brings on the change of DSM in an area over different periods. If we can apply information of the height of houses to reinforce the house change detection, the reliability and efficiency of detection methods will be improved greatly. From this viewpoint, a new approach taking advantage of both height data from an image pair and image data is proposed to detect the house change in urban area and is called "data fusion technology". |
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| Keywords: | DSM change detection gradient direction histogram |
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