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《Remote Sensing Technology and Application》 2012-02
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The Key Technologies of the True Orthoimage Production based on DEM and DBM

Chen Jicai,Yang Wunian,Yang Xin(Institute of Remote Sensing and Geographic Information System of Chengdu University of Technology/Key Lab of Land and Resources Information Technology & Application of Ministry of Land and Resources,Chengdu 610059,China)  
Orthophoto imagery has been widely used in the remote sensing study.However,due to the use of incomplete terrain model,phenomena such as surface features dislocation and block inevitably occurred in the traditional orthophoto has seriously affected the quality of the project and mapping accuracy.This study discussed the principle of using DBM(Digital Building Models) and DEM(Digital Elevation Model) for the true orthorectified imagery and the key technologies of workmanship in producing the true orthorectified remote sensing image.In theory,the True Orthoimage map,produced by DSM and DBM,detected and compensated by block area,could completely solve all of problems of traditional Orthoimage map.It is the best choose of detecting changes,collecting surface features and producing three-dimensional landscape.The advantage is obvious.But,relative to Simple treatments of traditional Orthoimage map,notable feature of Ortho-corrected map is enormous amount of data operations.On the other hand,difficulties and costs to get DBM/DSM is still expensive,so the using of the True Orthoimage map is limited in city.
【Fund】: 国家自然科学基金资助项目(41071265);; 高等学校博士学科点专项科研基金课题(20105122110006)
【CateGory Index】: TP751
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【Citations】
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1 LIU Jun,WANG Dong-hong,WANG Hui,ZHANG Qiang(Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China);Digital Building Model Based True Ortho Rectification of Line Array Pushbroom Images[J];遥感技术与应用;2009-01
【Co-citations】
Chinese Journal Full-text Database 5 Hits
1 WANG Guangying;HU Jing;Shandong Zhengyuan Digital City Construction Co.,Ltd;;Blank Generation of True Orthorectified Image[J];全球定位系统;2015-03
2 WANG Renli1,WANG Yi1,SUI Chunling2,YANG Yantong3(1.Geomatics College,Shandong University of Science and Technology,Qingdao 266510,China; 2.72946 Troops,Zibo 255020,China;3.Oriental TITAN Technology Corporation,Beijing 100083,China);Algorithm for Occlusion Automatic Detection of True OthoImages Based on Nadir Radial Distance[J];测绘科学技术学报;2013-02
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【Co-references】
Chinese Journal Full-text Database 10 Hits
1 GUO FuSheng;GAO Wei;HU ZhanYi;National Laboratory of Pattern Recognition,Institute of Automation,Chinese Academy of Sciences;;Automatic generation of large scale true ortho-image from UAV images[J];中国科学:信息科学;2013-11
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