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A study on the application technique of remote sensing image for optimum route selection of the two-tract line railroad


Perspective Image Map, which is supposed to be made through this study, is a 3D Image viewed from 45 angle in the four cardinal directions and the detailed features are like table 4.

TABLE 4. Contents by model
Direction  Position  Elevation   View Angle  Range   Rate
EAST   From Right Center to Left End Direction  6000m   45°   60°   Real
WEST   From Left Center to Right End Direction   6000m   45°   60°   Real
SOUTH   From Bottom Center to Above End Direction   1800m   45°   60°   Real
NORTH   From Above Center to Left End Direction   1800m   45°   60°   Real

(Full-Scale: 1:1 expression without any exaggeration)

3. Result of Perspective Image Map Creation


FIGURE 6. Perspective Image from the east


FIGURE 7. Perspective Image from the west


FIGURE 8 . Perspective Image from the south


FIGURE 9 . Perspective Image from the north

Results and Prospect
This study has been accomplished as a experimental study for 3D Perspective Image Map analysis of terrain along the 16km long section between Yangsan and east Busan which is under consideration for a new expressway construction. Through this study we could have some satisfactory results to carry out multidimensional terrain analysis of remote place using the field survey data of Satellite image, Topographic map and road's planned route. To carry out Stereo Terrain Analysis using various spatial information of topography, we made Perspective Image Map of districts around construction-expected road from various directions and altitudes and produced moving images of the construction-expected road for virtual driving along the planned route. Therefore, on the construction-planning phase, 3D analysis based on the results of this study can be simulated with various geographical features and facility conditions. 3D Perspective Image Map to carry out stereo terrain spatial analysis in the four cardinal directions can be considered as a great solution for a new construction planning technique and for the most reasonable optimum route selection.

Lately, as various sensors of satellite and aircraft made collecting of spatial information easier and we can easily get spatial information with high resolution, and more than 3D spatial analysis techniques and time-spatial analysis techniques are being developed, we can expect to make good use of much more realistic Perspective Image Map in real life.

References
  • Yeon, Sangho and. 2001. Introduction to Remote Sensing, Goomi Book Center Publisihng.
  • Yeon and Lee, 1994. An Introduction to GIS and Exercise, Hanwol Academy Publishing.
  • American Society of Photogrammetry. Manual of Remote Sensing. 2nd Edition
  • ASPRS. 1989. Non-topographic Photogrammetry 2nd Edition
  • C. H. CHEN. Information Processing for Remot Sensing. World Scientific.
  • Lillesand, Kierer. Remote Sensing And Image Interpretation. WILEY
  • Martin David Adams. Sensor Modelling, Design and Data Processing for Autonomous Navigation. World Scientific
  • PCI Geomatics. 2001. Geomatica Software manual.
  • Robert H. Arnold. Interpretation of Airphotos and Remotely Sensed Imagery. Prentice Hall.
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