搜索结果: 1-6 共查到“地图投影学 Surface”相关记录6条 . 查询时间(0.209 秒)
A COST-EFFECTIVE METHOD FOR CRACK DETECTION AND MEASUREMENT ON CONCRETE SURFACE
crack detection depth camera image processing stereovision
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2018/3/6
Crack detection and measurement in the surface of concrete structures is currently carried out manually or through Non-Destructive Testing (NDT) such as imaging or scanning. The recent developments in...
UTILIZATION OF LARGE SCALE SURFACE MODELS FOR DETAILED VISIBILITY ANALYSES
analysis of visibility unmanned air vehicle 3d point cloud extended viewshed viewshed
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2018/3/5
This article demonstrates utilization of large scale surface models with small spatial resolution and high accuracy, acquired from Unmanned Aerial Vehicle scanning, for visibility analyses. The import...
GENERATING TRUE ORTHOIMAGES WITHOUT A 3D SURFACE MODEL
Matching Rectification Orthoimage
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2015/6/2
It is the traditional procedure to generate orthophotos from aerial photographs by differential rectification. The effects of relief
displacement are corrected by considering a Digital Terrain Model...
UTOMATIC EXTRACTION OF TREES FROM AERIAL IMAGES AND SURFACE MODELS
Forestry Urban Extraction Algorithms
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2015/5/18
In this paper we present an approach for the automatic extraction of trees and the boundaries of the tree’s crowns. The approach is
based on a multi-scale representation of an orthoimage and a surfa...
TOWARDS A SEAMLESS ROBUST DIGITAL SURFACE MODEL (DSM)
Multiple image matching DEM/DTM Graph theory
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2015/3/24
FIFEDOM (Frequent-Image-Frames Enhanced Digital Ortho-rectified Mapping) is an ongoing, multidisciplinary research project
aiming to provide low-cost, information-rich digital mapping through the dev...
TERRAIN SURFACE RECONSTRUCTION BY THE USE OF TETRAHEDRON MODEL WITH THE MDL CRITERION
LIDAR Automation DEM/DTM Filtering
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2015/3/24
A LIDAR filtering technique is used to differentiate on-terrain points and off-terrain points from a cloud of 3-D point data collected
by a LIDAR system. A major issue of concern in this low-level fi...