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Application of digital close-range photogrammetry to deformation-observing of mine

LIU Chang-hua①,WANG Cheng-long①②,LI Feng②,ZHANG Jian-xiong①(①School of Surveying and Land Information Engineering,Henan Polytechnic University,Jiaozuo 45400,China;②Chinese Academy of Surveying and Mapping,Beijing100039,China)  
Based on the theory of close-range photogrammetry and deformation monitoring,by using theory design and in-situ experiment under current circumstance,the relative deformation value was obtained after data processing and comparison.By theory and result analysis,the precision and feasibility of deformation monitoring using non-professional camera were highly affirmed,which may bring a new breakthrough in deformation monitoring for big deformed-body.As a result,it will provide a new approach for mining damage monitoring.
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