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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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Journal DOI :
Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography
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Volume & Issues
Volume 23, Issue 4 - Dec 2005
Volume 23, Issue 3 - Sep 2005
Volume 23, Issue 2 - Jun 2005
Volume 23, Issue 1 - Mar 2005
Selecting the target year
Error Assessment of Attitude Determination Using Wireless Internet-Based DGPS
Lee Hong Shik ; Lim Sam Sung ; Park Jun Ku ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 23, issue 2, 2005, Pages 101~108
Inertial Navigation System has been used extensively to determine the position, velocity and attitude of the body. An INS is very expensive, however, heavy, power intensive, requires long setting times and the accuracy of the system is degraded as time passed due to the accumulated error. Global Positioning System(GPS) receivers can compensate for the Inertial Navigation System with the ability to provide both absolute position and attitude. This study describes a method to improve both the accuracy of a body positioning and the precision of an attitude determination using GPS antenna array. Existing attitude determination methods using low-cost GPS receivers focused on the relative vectors between the master and the slave antennas. Then the positioning of the master antenna is determined in meter-level because the single point positioning with pseudorange measurements is used. To obtain a better positioning accuracy of the body in this research, a wireless internet is used as an alternative data link for the real-time differential corrections and dual-frequency GPS receivers which is expected to be inexpensive was used. The numerical results show that this system has the centimeter level accuracy in positioning and the degree level accuracy in attitude.
3D Spatial Data Model Design and Application
Lee Jun Seok ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 23, issue 2, 2005, Pages 109~116
3D Spatial Data, namely 3D Urban CG model express the building, road, river in virtual world and accumulate, manage the data in the GIS system. It is important infrastructure which expected in many usages. Recently 3D CG urban model needs much manual effort, time and costs to build them. In this paper, we introduce the integration of GIS, CG and automatic production of the
3D Spatial Data Infrastructure
. This system make filtering, divide the polygon, generate the outlines of the GIS building map, design the graphic and property information and finally make automatic 3D CG models.
A Study on Route Location Using Decision Support System
Seo Dong Ju ; Lee Jong Chool ; Roh Tae Ho ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 23, issue 2, 2005, Pages 117~128
This study presented the route location method by applying AHP and evaluating quantitatively. This study developed the program that can be easily applied to this kind of road design, and built the decision support system fur route location. The study results are summarized as follows : We could quantitatively evaluate the appropriateness of exiting routes by applying the AHP based on GIS. If we apply this to the roads that will be newly constructed, we can make the objective and reliable route location when making road plans and basic designs. We improved the technique of route location by applying the decision support system with third-dimensional data, which considers even the vertical alignment plan, to the existing decision support system with second-dimensional data. had, since we call set those data such as vertical slope, earth-volume, structure size, location and construction cost to independent variables, we can make road designs more scientifically and reasonably.
A Study on the Development Cadastral Model for 3D Cadastre Registration
Kim Kam Lge ; Lim Gun Hyuk ; Park Se Jin ; Hwang Bo Sang Won ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 23, issue 2, 2005, Pages 129~136
The usage of the land is enlarged with above-surface space and sub-surface space as well as surface, as the concern about the land use is increased because there are many factors like the recent development of the science technique, Rapid increase of the population, Rapid city's diffusion, industrialization. According to the cubicalness of the land usage such as these, We have the limit to register the right-objects in space like various buildings and facilities by present registration method of 2D cadastre registration because of 2D registration object. Thus, it is necessary for plan to register an ownership, other privilege relations and the physical objects like various buildings and facilities established on both surface and space. There are two steps in this study. First step is the necessity of 3D cadastre registration and object analysis of cadastre registration, second step is 3D cadastre division and its visualization. Finally, this study will present the realizable model for a 3D cadastre registration.
Investigation on the Accuracy of bundle Adjustments and Exterior Orientation Parameter Estimation of Linear Pushbroom Sensor Models
Kim Tae Jung ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 23, issue 2, 2005, Pages 137~145
In this paper, we investigate the accuracy of various sensor models developed for linear pushbroom satellite images. We define the accuracy of a sensor model in two aspects: the accuracy of bundle adjustments and the accuracy of estimating exterior orientation parameters. The first accuracy has been analyzed and reported frequently whereas the second accuracy has somewhat been neglected. We argue that the second accuracy is as important as the first one. The second accuracy describes a model's ability to predict satellite orbit and attitude, which has many direct and indirect applications. Analysis was carried out on the traditional collinearity-based sensor models and orbit-based sensor models. Collinearity-based models were originally developed for aerial photos and modified for linear pushbroom-type satellite images. Orbit-based models have been used within satellite communities for satellite control and orbit determination. Models were tested with two Kompsat-1 EOC scenes and GPS-driven control points. Test results showed that orbit-based models produced better estimation of exterior orientation parameters while maintained comparable accuracy on bundle adjustments.
Generation and Assessment of DEM from InSAR and Differential InSAR
Kim Jeong woo ; Kim Chang Oh ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 23, issue 2, 2005, Pages 147~156
SAR interferometry (InSAR) is a technique to generate 3-Dimentional spatial information using complex data pairs observed by antennas at different locations. In case of the Two-pass differential SAR inteferometry (DInSAR), the topographic phase signature can be separated from the contribution of surface deformation in the interferometric phase. In this study, InSAR and DInSAR were implemented with ERS- l/2 tandem pair to produce DEM. The accuracy of the Resulting DEMs was analyzed.
The Development and Application of Use of National Framework Data Product Specification in Facility Area
Choi Dong-ju ; Ru Ji-ho ; Lee Hyun-jik ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 23, issue 2, 2005, Pages 157~163
In the 21th century as knowledge-based society and according as GIS is embossed, demand of map is increasing rapidly for GIS's basic. Ministry of Construction & Transportation Republic of Korea National Geographic Information Institute who supervise basis geography information run the studies of basis geography information construction, therefore choice of each subject extent and standardization of data model for basis geography information is attained. In this study, framework data has been established in three steps according to Framework data Product Specification in Facility Area. Also the evaluation of usability was implemented as combining Framework data.
Deblurring of the Blurred Image Caused by the Vibration of the Interlaced Scan Type Digital Camera
Chon Jcechoon ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 23, issue 2, 2005, Pages 165~175
If the interlaced scan type camera moves while an image is filming from the camera, blur is often created from the misalignment of the two images of even and odd lines. This paper proposed an algorithm which removes the misalignment of the even and odd line images cased by the vibration of the interlaced scan type camera. The blurred original image is separated into the even and the odd line images as half size. Based on these two images, two full sized images are generated using interpolation technique. If a big difference between these two interpolated images is generated, the original image is taken while the camera is moving. In this case, a deblurred image is obtained with the alignment of these separated two images through feature point extraction, feature point matching, sub-pixel matching, outlier detection, and image mosaicking processes. This paper demonstrated that the proposed algorithm can create clear images from blurred images caused by various camera motions.
Errors Verification for Constructing Database of Land Use Suitability Assessment System
Yoo Hwan Hee ; Kim Weon Seok ; Park Ki Youn ; Kim Seong Sam ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 23, issue 2, 2005, Pages 177~187
The Land Use Suitability Assessment System was recently introduced by the Act on Planning and Utilization of the National Territory to use, manage, and develop the national territory, which integrated the National Land Use and Management Act and the Urban Planning Act. It provides a guideline for land use according to locational characteristics, usability, and developmental conditions of land in the vicinity. The database is constructed with LMIS cadastral data, posted land price data, and the data of related agencies such as the Korea Forest Service, the Ministry of Environment, and the Korea Water Resources Corporation etc. In this paper we describe accurate database construction method fur land use suitability assessment system as classifying and verifying errors deriving from database construction focused on Jinju city. Those data errors have the problems such as accuracy difference among the related agencies data, gap of data acquisition time, and non-consideration of latest updated data etc.
3dimension Topography Generation and Accuracy Analysis Using GIS
Nim Young Bin ; Park Chang suk ; Lee Cheol Hee ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 23, issue 2, 2005, Pages 189~196
Recently as map making skills developed and as digital maps prevailed, peoples began to take interest in the realistic 3dimension topography rather than the flat 2 dimension one. The experiment is done by using the topographical information from the digital maps, To analyze the preciseness of this 3dimension topography, analysis of the coordinate-changed standard map image and the location errors of the plane and height from digital values of the map's topography by layers and features, were done. The visual results of locational values differed by every programs of coordinate transformation. Errors of locations also appeared from the methods of correcting the visual sources, when deciding the standard source's datum point. The plan's accuracy of the image data coordinate transformation is about
. In ground distance, therefore, it is included in the allowed error of the 1:25,000 scale changed map, satisfying the plan's accuracy. Also, by the use of reasonably spaced grid, it satisfied the visual topographical accuracy. Because the 3 dimension topographical map can be produced effectively and rapidly by using various scale's standard map image and the digital map, the further practical use of 3 dimension topographic map made by using the existing topographies and changed maps has high expectations.
Analysis of Measuring Limit of Echo Sounding by Turbidity
Kim Yong-bo ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 23, issue 2, 2005, Pages 197~203
Dredging and reclaiming on coast, harbor construction etc. of when construct, the interest about efficiency and accuracy of sounding by measurement condition very rise. However, there are only a few studies on the accuracy improvement concerning water depth sounding condition. In this study, among the precision decline main causes of sounding, 1 suggested the characteristics of sounding data acquired by echo sounder with increasing of turbidity and the critical turbidity range under a given transducer frequency. For this, I acquired sounding data by inputting turbidity inducer artificially in artificial water tank. And then achieved regression analysis. Conclusion are as following Sounding Capabilities can be divided into three ranges according to the turbidity . normal range, critical range and the range where data can not be obtained by an echo sounder. When the turbidity exceeds
NTU which was considered as critical range, depth sounding was impossible.
Aircraft Deformation Measurement using Industrial Photogrammetry
Lee Jae-Kee ; Jung Sung-Heuk ; Yu Jung-Hum ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 23, issue 2, 2005, Pages 205~210
As industries developed, industrial goods have got more precise. It led producers to feel like having a way to confirm whether the goods are good enough for the needs of consumers or not. Because of that, producers got interested in industrial photogrammetry that can get accurate data quickly with non-confect method. therefore, this study was examined by photographing an O-2A aircraft which was a large and precise one to check the application of Industrial photogrammetry. To measure the aircraft, the check points, that was attached to it was used as it was not possible to measure the aircraft by its design. The experiment was carried out in three parts considering arrangement of the check points and measured with Pro-spot to check any deformation of its external form. As a result, this study enables us to conferm a state of the aircraft alignment promptly and to provide accurate data for producers, which helps them to make a decision.
A Comparison of the Algorithm between Korea and Japan in Maritime Boundary Delimitation
Kim Byung-Guk ; Jin Hai-Ming ; Kim Hyung-Su ;
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography, volume 23, issue 2, 2005, Pages 211~217
The general rule of boundary delimitation is the principle of equidistance. The principle of equidistance is a method that determine boundary delimitation from the fixed distant of baseline or basepoint. But there is no artificial and natural object in the sea to determine boundary. And the principle of equidistant can't be applied in every cases, because of the local characteristic of ground. In this paper, we suggest Three-Point Algorithm which is effective algorithm for maritime boundary delimitation. And the main objective of this study is to get capability of maritime boundary delimitation technique.