Journal of Sensors / 2019 / Article / Tab 2

Research Article

Determination of Building Model Key Points Using Multidirectional Shaded Relief Images Generated from Airborne LiDAR Data

Table 2

Parameters and corresponding values for experiment to determine MKPs.

ProcedureParameterValue

Location of light sourceAzimuth 45 (NE), 135 (SE), 225 (SW), 315 (NW)
Elevation 45

Vertical exaggerationZ-scale factor3

CSSCanny thresholdLow: 0.1, High: 0.2
Curvature0.2
σ3
Gap distance [pixel]2

Anisotropic diffusionNumber of iterations20
T0.2
k3

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