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TUNNEL POINT CLOUD FILTERING METHOD BASED ON ELLIPTIC CYLINDRICAL MODEL
Elliptic Cylindrical Model Point Cloud Filtering Tunnel Central Axis Non-points Regional Segmentation
2016/7/5
The large number of bolts and screws that attached to the subway shield ring plates, along with the great amount of accessories of metal stents and electrical equipments mounted on the tunnel walls, m...
3D LOCAL NON-UNIFORM FIELD MODEL BASED ON 3D VECTOR MODEL FRAME
3D Local non-uniform Field model Vector model Volume function Analytic model Local raster model
2015/8/10
This paper proposes a model, which is called ‘3D (Three Dimension) local non-uniform field model based on 3D vector model frame’, which integrate ‘3D volume function analytical model’ and ‘ 3D local r...
Three Dimensional Deformation of Mining Area Detection by InSAR and Probability Integral Model
D-InSAR deformation monitoring probability integral method genetic algorithm land subsidence
2015/7/27
A new solution algorithm that combined D-InSAR and probability integral method was proposed to generate the three dimensional deformation in mining area. The details are as follows: according to the g...
AUTOMATIC TOPOLOGY DERIVATION FROM IFC BUILDING MODEL FOR IN-DOOR INTELLIGENT NAVIGATION
IFC Geometry-Semantics-based Topology Derivation Navigation
2015/5/21
With the goal to achieve an accuracy navigation within the building environment, it is critical to explore a feasible way for building the connectivity relationships among 3D geographical features cal...