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《Science of Surveying and Mapping》 2013-05
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High-precision 3D modeling method based on terrestrial image sequences for high and steep slope

SU Bo;LI Hao;WANG Ya-qin;YANG Biao;School of Environmental Science & Tourism,Nanyang Normal University;School of Earth Sciences and Engineering,Hohai University;  
Aiming at the topographical features of high and steep slope,the paper introduced a terrestrial photogrammetric method of multi-baseline based on digital camera,and mainly studied the metrization method of common digital camera and matching method of the digital image sequences of high steep slope area. Through the metrization of common digital camera,the efficiency of terrain data collection was increased in the high steep slope area,and the limitations of operations on the image control and algorithm were reduced.The combination of seed points and multiple constraints in multi-baseline stereo matching would help to solve many problems,such as shading,severe distortion between the left image and the right one,and the inconformity of scale. The modeling process stated above was quite fast and highly precise,and the three-dimensional modeling experiments showed that the relative accuracy could reach from1 /8000 to 1 /12000.
【CateGory Index】: TP391.41;P232
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