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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
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Volume & Issues
Volume 22, Issue 4 - Dec 2004
Volume 22, Issue 3 - Sep 2004
Volume 22, Issue 2 - Jun 2004
Volume 22, Issue 1 - Mar 2004
Selecting the target year
Establishment of the Plane Coordinate System for Framework Data(UTM-K) in Korea
Choi, Yun Soo ; Kim Gun Soo ; Park Hong Gi ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 22, issue 4, 2004, Pages 313~321
Korean government has offcially decided to adopt global geodetic reference system(ITRF and GRS80) from 2007 keeping pace with the spread of GNSS. Industries related with LBS and telematics have called for use of the new coordinate system suitable for GIS/GPS applications. The government also defined the single plane coordinate system that covers entire korean peninsula as UTM-K considering DB-based framework data and user-friendliness, and its defects were corrected while being applied to the building of road framework data. The TM projection, and origin scale factor of plane coordinate system, 0.9996were employed in order to satisfy the single plane coordinate system for the entire Korean peninsula. For the origin of plane coordinate system, longitude of
30'00" and latitude of
00'00" were applied and, for the initial value of plane coordinate system, N=2,000.000m and E=1,000,000m were used. In addition to considerable savings in costs, it is expected that the UTM-K is applicable for correcting errors occurred during acquisition of geographic information and for aggregating map data produced by different sources. However, during the initial stage for introduction, confusion is forecasted due to the use of two different coordinate systems, which may be minimized by continued publicity and education.
Determination of Weighted Mean Temperature for the GPS Precipitable Water Vapor Estimation
Song Dong Seob ; Yun Hong Sic ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 22, issue 4, 2004, Pages 323~329
Water vapor is an important parameter in monitoring changes in the Earth's climate and it can be used to improve weather forecasting. However, it haven't observed accurately by reasons of structural and economic problem of observation. GPS meteorology technique for precipitable water vapor measurement is currently actively being researched an advanced nation. Main issue of GPS meteorology is an accuracy of PWV measurement related weighted mean temperature and meteorological data. In this study, the korean weighted mean temperature had been recalculated by a linear regression method based on meteorological observations from 6 radiosonde stations for 2003 year. We examined the accuracy of PWV estimates from GPS observations and Radiosonde observations by new korean weighted mean temperature and others
Bias Compensation of IKONOS Geo-level Satellite Imagery Using the Digital Map
Lee Hyo Sung ; Shin Sok Hyo ; Ahn Ki Won ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 22, issue 4, 2004, Pages 331~338
This paper describes capability of utilizing ground control points(GCPs) obtained from 1:1,000 and 1:5,000 digital vector maps to correct image coordinates which have errors due to bais rational polynomial coefficient(RPC) of IKONOS Geo-level stereo images. The accuracy of the bias-corrected images was improved to approximately 4m and 2m in planimetry and height, respectively. The accuracy was also compared with results from using GCPs obtained by GPS surveying. In consequence, bias-compensated IKONOS sereo imagery was evaluated to satisfy generating topographic map 1:10,000.
The Estimation of Soil Conversion Factor Using Digital Photogrammetry
Kim Jin Soo ; Seo Dong Su ; Lee Jong Chool ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 22, issue 4, 2004, Pages 339~347
This study aims at calculating the exact soil conversion factor of cutting and banking areas of weathering rocks in large-scaled construction sites where land is being developed into home lots. For this, we have excavated the respective 20 sites of the cutting and banking areas in the said site and then calculated the volume after the excavation. As a result, the relative accuracy of the difference was calculated at 0.5% in average. We have calculated the exact soil conversion factor by the use of function ratio as per the wet unit weight and the indoor soil quality test as per volume calculated. And then we have found out minor differences as a result of the comparison and analysis with soil conversion factor determined by the dry unit weight test as per sand replacement method. This may be judged as a rational design method for the calculation of soil conversion factor, as well as high reliability of site test as a precision photogrammetry is adopted for volume measurement of the irregular excavating areas.
A Study on Producing Digital Orthophoto Cadastral Map of Waterfront
Kim Kam Lae ; Hwang Bo Sang Won ; Lim Gun Hyuk ; Park Se Jin ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 22, issue 4, 2004, Pages 349~357
In order to manage the waterfront efficiently, we are to find the efficiency of producing method for digital orthophoto that presents natural form on lands and digital orthophoto cadastral map that presents the range of physical situation and property on lands in this study. Through this study, We can check that digital orthophoto cadastral maps for the boundary management of the waterfront are utilized widely at various field except the main purpose. Thus, we resolve the leading subjects that include the accuracy evaluation on produced maps and the bond edge of map sheet for the cadastral maps in order to drive activistic utilization and application
Analysis of Image Integration Methods for Applying of Multiresolution Satellite Images
Lee Jee Kee ; Han Dong Seok ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 22, issue 4, 2004, Pages 359~365
Data integration techniques are becoming increasing1y important for conquering a limitation with a single data. Image fusion which improves the spatial and spectral resolution from a set of images with difffrent spatial and spectral resolutions, and image registration which matches two images so that corresponding coordinate points in the two images correspond to the same physical region of the scene being imaged have been researched. In this paper, we compared with six image fusion methods(Brovey, IHS, PCA, HPF, CN, and MWD) with panchromatic and multispectral images of IKONOS and developed the registration method for applying to SPOT-5 satellite image and RADARSAT SAR satellite image. As the result of tests on image fusion and image registration, we could find that MWD and HPF methods showed the good result in term of visual comparison analysis and statistical analysis. And we could extract patches which depict detailed topographic information from SPOT-5 and RADARSAT and obtain encouraging results in image registration.
Calibration and Performance Test of Electro-optical Distance Meters Using a Laser Interferometer
Kim Jae Wan ; Eom Tae Bong ; Suh Ho Suhng ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 22, issue 4, 2004, Pages 367~374
In order for the measurement results of an electro-optical distance meter(EDM), which is widely used in surveying, to be reliable, an EDM should be calibrated. For the calibration of an EDM, we have settled a traceability chain, which connects the EDM under calibration to the definition of metre. The chain starts from the iodine stabilized He-Ne laser which realizes the definition of metre, and then connected to a stabilized laser interferometer, a standard EDM, and finally to the EDM under calibration through the baseline. We achieved the expanded calibration uncertainties of the scale and length measurement of an EDM being evaluated to be 6
and 0.2 mm, respectively. Two different calibration methods, and their results are compared.
Topographic Map Specification Analysis for the Efficient Improvement of Automatic Mapping
Choi Seok Keun ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 22, issue 4, 2004, Pages 375~381
This study is to improve an automatic rate of mapping system through analysis of topographic map specification. The digital map ver 2.0(1/5,000) has used for this studv and the mapping information is to obtain digital and topographic map. This topographic map specification is compared with information that represented of today. The regulation of a map specification for automatic mapping system planed out
similar specification of topographic map
clearness specification. After this study, the automatic rate of a mapping is up to 7% and the map specification has been easily generated.
Calculates of GPS Satellite Coordinates Using Rapid and Ultra-Rapid Precise Ephemerides
Park Joung Hyun ; Lee Young Wook ; Lee Eun Soo ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 22, issue 4, 2004, Pages 383~390
IGS provides so accute a final precise ephmerides which is offered in the 13rd, and it also offers a rapid precise ephmerides for more prompt application and an ultra-rapid precise ephmerides for real-time application. The purpose of this study is to analyze the accuracy of a rapid precise ephemerides and an ultra-rapid precise ephemerides based on a final precise ephmerides and determine the degree of the Lagrange Interpolation which needs to decide the location of a satellite. As the result of this study, the root mean square error of x,y,z coordinates of a rapid precise ephemerides was
0.0l6m or so, and the root mean square error of an observed ultra-rapid precise ephemerides was approximately
0.024m. The root mean square error of an ultra-rapid precise ephemerides predicted for 24 hours was
0.07m or so and the one of an ultra-rapid precise ephemerides predicted for 6 hours was
0.04m or so. Therefore, I could figure out that it had higher accuracy than a broadcast ephemerides. Also, in case that the location of a satellite was calculated with the method of the Lagrange Interpolation, it was confirmed that using the 9th order polynomial was efficient.
A Study on the Application of Extension Method in Railway Transition Curved Zone Considering Field Status
Jeong Eui Hwan ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 22, issue 4, 2004, Pages 391~400
Railway curved zone have crucial effects on the speed of train. Length of transition curve is one of the important factor for alignment compatibility estimation in this sections, this value is decided by running speed and Cant. In this study, the extension method of transition curve is evaluated, based on the alignment of Jang Hang-Line, investigated field conditions of the sections in the curves exist. This research result show that changing of transition curve was proved by necessary to approximately two thirds of the curved sections, and method of fixing central point of track centerline and changing radius of curvature minimize the maximum shift in track centerline and deviation of radius, and also may be effective method for alignment suitability and speed up in case overall improvement is difficult
A Study on Container Monitoring System Using GPS
Choi Byoung Gil ; Jin Sea il ; Hong Sang Ki ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 22, issue 4, 2004, Pages 401~409
A monitoring system for container using CPS is the system for positioning and managing containers in real time. CPS is capable of positioning the container, promptly with a reasonable amount of accuracy. Facility managers of ports or airports should have loading, unloading, and keeping freight effectively. Transport companies or freight owners should allocate moving container properly and be able to prevent the loss or delay of freight. In this study, the position and pathways of container are monitored by real-time tracking method. The absolute and relative locations of container are monitored digitally and visually from TC_loading to TC_unloading yard. It has been tested the movement of the containers equiped with GPS, and its accuracy and efficiency were analyzed.
Determining the Azimuth ofn Baseline by Measuring the Apparent Direction of the Sun
Lim Mu Taek ; Park Yeong Sue ; Cho, Jin Dong ; Rim Hyoung Rea ; Goh In Se ; Shin Hyeon Mo ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 22, issue 4, 2004, Pages 411~418
This paper is the study about a method for determining the azimuth of a baseline by measuring the apparent direction of the Sun. It is simple to realize this method, as it requires, in addition to the apparent direction of the Sun already measured, the observation time and the latitude and the longitude of the survey point. Comparing the azimuths determined by this method and those determined by the PDGPS(Post Processed Differential GPS) on 3 different baselines, the differences(PDGPS - this method) between the azimuths determined by two methods were -13", +45" and +24" respectively. It can be an effective and rapid tool in cases that require the accuracy lower than 1 arc-min.than 1 arc-min.