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《Computer Engineering and Applications》 2013-16
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Extracting saddle point fast based on topological relationship

KONG Yueping;YI Wei;ZHANG Yuepeng;Xi’an University of Architecture and Technology;Xi’an Research Institute of Survey and Mapping;  
Based on the analysis of the saddle's characteristics, extract the feature points by using the mobile window method,then layer the grid DEM data in order to simulate the geomorphic characteristics of contour map. Thus distinguish them by examining the topological relationship with its' surrounding area. The experimental results show that the algorithm is fast, simple and fit the landform cognition.
【Fund】: 46批中国博士后基金(No.20090461321);; 陕西省自然科学基金(No.2010JM8018);; 陕西省教育厅专项科研计划(No.09JK527);; 西安建筑科技大学人才基金项目(No.RC1036)
【CateGory Index】: TP311.13;P209
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【Citations】
Chinese Journal Full-text Database 7 Hits
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【Co-citations】
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