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High-Resolution Representation for Mobile Mapping Data in Curved Regular Grid Model.

Jingxin Su1, Ryuji Miyazaki2, Toru Tamaki1

  • 1Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan.

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Summary
This summary is machine-generated.

This study presents a method to generate high-resolution road surface elevation grids for OpenCRG models using mobile mapping system data. This enables precise road modeling for applications like driving simulations.

Keywords:
OpenCRGbilinear interpolationcurved regular gridmobile mapping systempoint cloudroad surface

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Area of Science:

  • Geomatics Engineering
  • Computer Graphics
  • Road Engineering

Background:

  • Mobile Mapping Systems (MMS) are mature technologies with diverse data applications.
  • Previous work established a method for creating 3D point cloud models of road surfaces from MMS data.
  • Driving simulators can benefit from detailed road surface data for simulations.

Purpose of the Study:

  • To develop a method for generating elevation grids suitable for OpenCRG models.
  • To convert existing 3D point cloud road data into a usable format for road modeling.
  • To enable high-resolution road surface visualization and analysis.

Main Methods:

  • Utilized 3D point cloud and image data from a vehicle-mounted MMS.
  • Segmented road surfaces into lines, arcs, and clothoids.
  • Created non-regular grids for each segment, then interpolated to generate a regular grid.
  • Generated Curved Regular Grid (CRG) model files compatible with OpenCRG tools.

Main Results:

  • Successfully generated high-resolution road surface elevation models.
  • The proposed approach effectively converts point cloud data into regular elevation grids.
  • The generated CRG files are visualizable using OpenCRG tools.

Conclusions:

  • The developed method provides a robust solution for creating detailed road surface elevation models.
  • This facilitates advanced road analysis and simulation applications.
  • The approach enhances the utility of data acquired from mobile mapping systems.