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HOUSE CHANGE DETECTION BASED ON DSM OF AERIAL IMAGE IN URBAN AREA 被引量:1

HOUSE CHANGE DETECTION BASED ON DSM OF AERIAL IMAGE IN URBAN AREA
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摘要 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'. 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”.
出处 《Geo-Spatial Information Science》 1999年第1期68-72,共5页 地球空间信息科学学报(英文)
基金 Project supported by the National Natural Science Foundation of China(No.49525101)
关键词 DSM CHANGE detection GRADIENT direction HISTOGRAM DSM change detection gradient direction histogram
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