Computer Science ›› 2009, Vol. 36 ›› Issue (1): 211-215.
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WEI Zhi-qiang ,SUN Ya-bing, JI Xiao-peng, YANG Miao （Computer Science Department,Ocean University of China,Qingdao 266100,China）
Online:
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Abstract: In order to reduce the scope of characteristic dot extracting and matching in 3D reconstruction of digital city based on video,an auto building regional extraction algorithm was proposed. It attained lines array using Hough trans form for the preprocessed
Key words: Extract building,Hough transform,Dotdensity,Boundary analysis,Adaptive threshold
WEI Zhi-qiang ,SUN Ya-bing, JI Xiao-peng, YANG Miao （Computer Science Department,Ocean University of China,Qingdao 266100,China）. [J].Computer Science, 2009, 36(1): 211-215.
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