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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
Journal Basic Information
Journal DOI :
Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography
Editor in Chief :
Volume & Issues
Volume 24, Issue 5 - Dec 2006
Volume 24, Issue 4 - Oct 2006
Volume 24, Issue 3 - Aug 2006
Volume 24, Issue 2 - Jun 2006
Volume 24, Issue 1 - Mar 2006
Selecting the target year
Security Interpretation of the Restriction Boundary of Building for Antiquated Tunnel using 3 Dimensional Surveying
Bae Sang-Ho ; Lee Hyung-Seok ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 24, issue 3, 2006, Pages 251~259
For the electrification of the existing railways, the security of the restriction boundary of building with mechanistic stability research on the antiquated tunnel must be accomplished essentially. If the tunnel don't secure its restriction boundary of building, the reconstruction based on improvement of tunnel alignment are generated and its surveying data are required. The precise surveying was conducted with the same coordinate system for three tunnels of Youngdong tramline, and the restriction boundary of building of the straight and curve section were analyzed effectively by acquiring the data of profile and cross section, profile rail-height, rail-grade, cross tunnel height, and restriction boundary of building. This study is presented for valuation data of the stability of the electrification design to construct and analyze restriction boundary of building, which compared with the drawing and its existing design using profile and cross section. After this, it is interoperable to increase the development of real-time monitoring system on the tunnel structures.
Analysis of Terrain Change Caused by Mining Development using GIS
Lee Hyung-Seok ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 24, issue 3, 2006, Pages 261~269
There is a need to restore the terrain back its natural environment after mining development. It is necessary to compare the original and developing surfaces for post-management and to analyze the terrain change to develop a process for efficient restoration plan. This study analyzes and compares change to the terrain by annual mining development using GIS. Contours digitized with CAD based on photogrammetry are classified into annual data and created by Triangulated Irregular Network (TIN). By producing profiles and cross sections using TIN, many stations are distinguished. As a result of the terrain changes caused by mining development from 2000 to 2003 by operating elevation values each cell converted to raster from TIN,
are cut and
are filled up to 46% of cut volume, and annual surface changes of cut and fill area to mining are analyzed to visual and quantitative data. This study is used for the restoration plan and additional mining. And it is expected that this annual change, caused by mining development, can be used to return the terrain close to its original condition for finished mining area.
Location of Acoustic Emission Sources in a PSC Beam using Least Squares
Lee Chang-No ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 24, issue 3, 2006, Pages 271~279
Acoustic Emission (AE) technology is an effective nondestructive testing for continuous monitoring of defect formation and failures in structural materials. This paper presents a source location model using Acoustic Emission (AE) sensors in a Pre-Stressed Concrete (PSC) beam and the evaluation of the model was performed through lab experiments. 54 AE events were made on the surface of the 5m-PSC beam using a Schmidt Hammer and arrival times were measured with 7AE sensors. The source location f3r each event was estimated using least squares. The results were compared with actual positions and the RMSE (Root Mean Square Errors) was about 2cm.
A Photogrammetric Network and Object Field Design for Efficient Self-Calibration of Non-metric Digital Cameras
Oh Jae-Hong ; Eo Yang-Dam ; Lee Chang-No ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 24, issue 3, 2006, Pages 281~288
Recent increase in the number of pixels of a non-metric digital camera encourages to use it for close-range photogrammetry such as modeling cultural asset and buildings. However, these cameras have to be calibrated far close-range photogrammetry application. For self-calibration, an appropriate pbotograrnmetric network and object field should be designed. In this paper, we studied the effect on self-calibration accuracy changes according to the change of the number of ground control points, dimensions of the ground control points, and the combination of images. We concluded that self-calibration with three photos including a vertical photo can give the stable accuracy of interior orientation parameters and 10 ground control points on a plane can give high accuracy for object reconstruction.
A Study on the EO-1 Hyperion's Optimized Band Selection Method for Land Cover/Land Use Map
Jang Se-Jin ; Lee Ho-Nam ; Kim Jin-Kwang ; Chae Ok-Sam ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 24, issue 3, 2006, Pages 289~297
The Land Cover/Land Use Map have been constructed from 1998, which has hierarchical structure according to land cover/land use system. Level 1 classification Map have done using Landsat satellite image over whole Korean peninsula. Level II classification Map have been digitized using IRS-1C, 1D, KOMPSAT and SPOT5 satellite images resolution-merged with low resolution color images. Level II Land Cover/Land Use Map construction by digitizing method, however, is consuming enormous expense for satellite image acquisition, image process and Land Cover/Land Use Map construction. In this paper, the possibility of constructing Level II Land Cover/Land Use Map using hyperspectral satellite image of EO-1 Hyperion, which is studied a lot recently, is studied. The comparison of classifications using Hyperion satellite image offering more spectral information and Landsat-7 ETM+ image is performed to evaluate the availability of Hyperion satellite image. Also, the algorithm of the optimal band selection is presented for effective application of hyperspectral satellite image.
Inundating Disaster Assessment in Coastal Areas Using Urban Flood Model
Yoo Hwan-Hee ; Kim Weon-Seok ; Kim Seong-Sam ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 24, issue 3, 2006, Pages 299~309
In recent years, a large natural disasters have occurred due to worldwide abnormal weather and the amount of damage has been increased more resulting from high density population and a large-sized buildings of the urbanized area. In this study. we estimate the flooded area according to rainfall probability intensify and sea level in Woreong dong, Masan occurred flood damages by typhoon Maemi using SWMM, a dynamic rainfall-runoff simulation model in urban area, and then analyze the damage of flood expected area through connecting with GIS database. In result, we can predict accurately expected area of inundation according to the rainfall intensity and sea level rise through dividing the study area into sub-area and estimating a flooded area and height using SWMM. We provide also the shelter information available for urban planning and flood risk estimation by landuse in expected flood area. Further research for hazard management system construction linked with web or wireless communication technology expects to increase its application.