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《Science of Surveying and Mapping》 2007-04
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Automatic DSM generation of global matching based on image feature point and edge

LI Jian①② , LIU Feng-de②, ZHAO Li-ping②(①School of Information Engineering in Remote Sensing, Wuhan University, Wuhan 430079,China; ②Beijing Geo-vision Tech.co.ltd, Beijing 100039,China)  
DSM extraction is one of the most important techniques in photogrammetry and remote sensing. Full-automatic image matching is the key problem and has many difficulties: poor and repetitive texture, terrain discontinuity, shadow, occlusion and projective deformation etc. To resolve those problems mentioned above, in this paper the authors propose a global matching method based on combination of feature point and feature edge. The experiments indicate that good results have been obtained in both mountain and urban area and prove this way is validate in practice.
【CateGory Index】: TP751
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【Citations】
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【Co-citations】
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