Accuracy improvement of ASTER stereo satellite generated DEM using texture filter |
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| Authors: | Mandla V. Ravibabu Kamal Jain Surendra Pal Singh Naga Jyothi Meeniga |
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| Affiliation: | 1.Center for GIS, School of Geography and Environmental Science,Monash University,Clayton Campus,Australia;2.Environmental, Water Resource and Transportation Engineering Division, School of Mechanical & Building Science,Vellore Institute of Technology (VIT)-University Vellore,Tamil Nadu,India;3.Geomatics Engineering Section, Department of Civil Engineering,Indian Institute of Technology Roorkee,Roorkee,India;4.Post Graduate Student (GST),Institute of Science and Technology, JNTU,Hyderabad,India |
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| Abstract: | ![]()
The grid DEM(digital elevation model) generation can be from any of a number of sources:for instance,analogue to digital conversion of contour maps followed by application of the TIN model,or direct elevation point modelling via digital photogrammetry applied to airborne images or satellite images.Currently,apart from the deployment of point-clouds from LiDAR data acquisition,the generally favoured approach refers to applications of digital photogrammetry.One of the most important steps in such deployment i... |
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| Keywords: | ASTER digital elevation model extraction stereo matching texture filter quality improvement |
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