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A study on the application technique of remote sensing image for optimum route selection of the two-tract line railroad
Sang-Ho Yeon
Semyung university, Dept. of civil engineering
yshsmu@semyung.ac.kr
Abstract
The technology for the three-dimensional terrain perspective view can be used as an important factor in planning and designing for the various construction projects. In this study, the stereo image perspective view has been generated for the multi-dimension analysis by combining useful digital map and remotely sensed satellite images. In the course of experimenting with the three-dimensional topography generated by the combination of the ortho-image by the precise GCP and DEM from the contour line, the technology has been developed to offer the multi-dimensional access to the potential construction sites from the nearby main roads. This stereo image bird's eye view has made it possible to make multi-dimensional analysis on the terrain, which provides real-time virtual access to the designated construction sites and will be a versatile application for development planning and construction projects. Recently remote sensing technology is applied for construction projects planning and design areas by use of high resolution satellite images according to engineering application technology in the various experimental tasks. In this study, It was applied for optimum route selection methods and basic design by comparing to present railway and new expand dual railway route on the new construction plan path of 20 km at national railway lines, and then showed 3-dimensional images and fly simulation images to possibility for various application as low cost and short time compare to airplane and helicopters survey methods. As a results of its applied, It gained the results not only improvement of present methods but also real various application possibilities.
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