Method for extraction of building height information based on ZY-3 image
ZHAO Zhiming1,2, ZHOU Xiaocheng1,2, FU Qiankun1,2, WANG Xiaoqin1,2
1. Spatial Information Research Center of Fujian Province, Fuzhou University, Fuzhou 350002, China; 2. Key Laboratory of Spatial Date Mining and Information Sharing of Ministry of Education, Fuzhou 350002, China
Abstract：The extraction of the information of building height from the high-resolution remote sensing image is a hot research topic in the study of the information extraction. This paper proposes a set of building height inversion techniques in combination with the object-oriented classification method. First of all, through the object-oriented classification method, the building outline and shadow information are extracted by using morphological building and shadow indices; and then, the intersection line average method is employed to calculate the length of the shadow; finally, the height of building is calculated according to the geometric relation model between the shadow length and the building height. The proposed method was validated on domestic ZY-3 satellite remote sensing data of Xi'an City, and the overall accuracy of 91.23% was obtained by verifying the result using the actual measuring height of 171 buildings. The results achieved by the authors have a certain practical significance for the study of building height information extraction.
赵志明, 周小成, 付乾坤, 汪小钦. 基于资源三号影像的建筑物高度信息提取方法[J]. 国土资源遥感, 2015, 27(3): 19-24.
ZHAO Zhiming, ZHOU Xiaocheng, FU Qiankun, WANG Xiaoqin. Method for extraction of building height information based on ZY-3 image. REMOTE SENSING FOR LAND & RESOURCES, 2015, 27(3): 19-24.
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2015, Vol. 27 
