DEM Establishing Method of Mining Subsidence in High Underground Water Mining Area with UAV

doi:10.13474/j.cnki.11-2246.2018.0084

Abstract

Abstract:

The mining subsidence in high underground water mining area has high vegetation density,so unmanned aerial vehicle photogrammetry couldn't get the point cloud of the ground.To address this problem,this paper proposes a new DEM establishing method of mining subsidence areas based on the cross-sectional point cloud filtering and the revision of original DEM from the perspective of terrain feature of mining subsidence areas.This new establishing method can meet the precision analysis of 1:500 topographic map and can provide important basis for ground damage evaluation and land reclamation.

Key words: unmanned aerial vehicle, mining subsidence, digital elevation model, point cloud filtering, high underground water mining area

CLC Number:

TIAN Shuaishuai, ZHAO Yanling, LI Yalong, XIAO Wu, ZHANG Jianyong, DA Hongzhi. DEM Establishing Method of Mining Subsidence in High Underground Water Mining Area with UAV[J]. 测绘通报, 2018, 0(3): 98-101.

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