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�������պ����ѧѧ�� 2008, Vol. 34 Issue (06) :699-702    DOI:
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Extraction method of rectangular building based on fussy decision-making
Mao Xia, Zhao Xingyuan, Shen Wei,*
School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� The roof of the building in aerial image is generally rectangle or parallelogram. It makes a significance sense to extract the rectangle accurately and fast, either in military aspect or in civilian aspect.A method based on fussy decision-making for extraction of rectangular buildings from the aerial images was proposed. Firstly, the presumed rectangular space was generated via line feature, which was resulted from beeline-extraction of the aerial image. Then, the support evidences which were get from the image were combined by fussy mathematic method in order to obtain decision-making information.Finally, the generated rectangle was selected and validated according to the decision-making information. This arithmetic uses the non-fixed threshold value to select the supporting evidences to improve the validity. The results of performance assessment also possess the robustness and high extraction rate of the approach developed.
Keywords�� rectangle building   perceptual grouping   fussy decision-making   threshold     
Received 2007-05-22;
About author: ë Ͽ(1952-),Ů,�㽭������,����,moukyou@buaa.edu.cn.
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ëϿ, ����Բ, ��Ρ.һ�ֻ���ģ�����ߵľ���Ŀ����ȡ�㷨[J]  �������պ����ѧѧ��, 2008,V34(06): 699-702
Mao Xia, Zhao Xingyuan, Shen Wei, .Extraction method of rectangular building based on fussy decision-making[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2008,V34(06): 699-702
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2008/V34/I06/699
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