• Title/Summary/Keyword: Cadastral Data Model

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A Study on the Data Model of Topographic-Cadastral Map (지형.지번도의 데이터모델에 관한 연구)

  • 최윤수;고준환;서용운;이석용
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.19 no.1
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    • pp.85-93
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    • 2001
  • Digital mapping project of topographic map was conducted according to the master plan for the development of the National Geographic Information System, to manage national geo-spatial information efficiently in rapidly changing information technology society. It needed to correct and supplement digital map because of time pressure, sudden urbanization and users'need. In this study, after the framework data of thematic map was given a definition based on data model of National Base Map, data model of topographic-cadastral map was presented. Also data format and meta data suited to presented data model of topographic-cadastral map were presented so that they could be used in various fields.

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Applications of LiDAR in Cadastral Surveying (지적측량에 라이다 측량기술의 활용방안)

  • Kang, Joon-Mook;Min, Kwan-Sik;Wie, Gwang-Jae;Kim, Jae-Myoung
    • Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
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    • 2007.04a
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    • pp.443-446
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    • 2007
  • The major purpose of the present study is to gauge the general applicability of cadastral surveying and LiDAR surveying. LiDAR survey is the method which obtains Geospatial information of the terrain. We will get a most topographic models at Digital Elevation Model(DEM) using LiDAR survey data. Also, we will consider both the surface parcel partition and volume parcel as a part of Geospatial relationship model. This study will focus on enhancing the efficiency and analysis of continual cadastral map and LiDAR DEM. I would like to close by proposing that LiDAR surveying will contribute in cadastral surveying.

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Modeling temporal cadastre for land information management

  • Liou, Jae-Ik
    • Journal of Korean Society for Geospatial Information Science
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    • v.10 no.5 s.23
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    • pp.17-28
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    • 2002
  • Time is regarded as an essential feature of land information enabling to track historical landmarks of land uses, ownerships, and taxations based on cadastral maps. Object-oriented temporal modeling helps to simulate and imitate time-varying cadastral data in a chronological and persistent manner. The aim of study is to analyze the role of temporal cadastre tracing footprints of foregoing events in response to various needs and demands associated with historical information of cadastral transactions. In this paper, temporal cadastral object model (TCOM) is proposed to delineate object version history. As an evidence of a new approach and conceptual idea for the importance of temporal cadastre, a part of spatio-temporal processes is illustrated to explain major changes of cadastral map. The feasibility and application of the approach is confirmed by proof-of-concept of temporal cadastre in land information management.

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A Study on Country Profile of Land Administration Domain Model for Mongolia (몽골 토지행정도메인모델의 국가 프로파일링에 관한 연구)

  • Munkhbaatar, Buuveibaatar;Kim, Moon-Gie;Koh, June-Hwan
    • Journal of Cadastre & Land InformatiX
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    • v.48 no.1
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    • pp.55-70
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    • 2018
  • The field of cadastre and land administration is susceptible to changes in technological development and requires a robust system to respond. In Mongolia, there is a need for a future-oriented and robust cadastral system to cope with these changes. Therefore, this study chose the Land Administration Domain Model (LADM) which is created by the International Organization for Standardization(ISO), and analyzed for its application to the cadastral system of Mongolia. For the application of LADM for Mongolia, we analyzed four packages and each class of LADM based on characteristics of Mongolia's cadastral system and cases of countries applying LADM. As a result of this analysis, we have completed LADM national profiling in Mongolia and proposed the possibility of applying LADM. In the future, based on this research, application of LADM will play an important role in Mongolian cadastral system where the current data model standardization is not established and is useful as a reference model.

Experimental Comparative Analysis of Terrestrial Lidar Data and Cadastral Data for the Calculation of the Slope Area of Highland Agriculture Region (고랭지 농업지역의 경지면적 산출을 위한 지상라이다 데이터와 지적성과의 실험적 비교 분석)

  • Lee, Ho-Hyun;Lee, Jung-Il;Oh, Min-Kyun;Lee, Kyung-Do
    • Journal of Cadastre & Land InformatiX
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    • v.46 no.2
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    • pp.137-153
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    • 2016
  • The price of agricultural products has changed from year to year, the m ajor c ause o f price fluctuation is the imbalance of supply and demand. Materials which are mainly used in korean cabbage production volume is the forecast model, using the cadastral result, slope calculation is impossible to achieved. For this reason, this implies the drastic decrease of prices and the prediction of supply and demand of field crops that is cultivated in a highland slope area, this situation is being repeated. Therefore, the target area of this research is the slopes of high land, by using 2D and 3D Lidar data for the analysis of the cultivated area. Experiment was carried out in the same area to compare the data differences. The rate of change in the area of slope is quantitatively increasing presented by the regression model. An alternative methodology that can improve the reliability of the calculated slope area using 2D is through cadastral map.

A Study on a Parcel Presentation Technique of Cadastral Map for Enhancing Utilization of National Spatial Data Infrastructure (국가공간정보인프라 활용향상을 위한 지적도 일필지 표현기법 모형 연구)

  • Jang, Yong-Gu;Kim, Jong-Hoon
    • Journal of Korean Society for Geospatial Information Science
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    • v.16 no.4
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    • pp.3-10
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    • 2008
  • Cadastral map is a public book that has been composed by continuous parcel having location, number, classification, boundary and an area based on Cadastral Law. A few years ago, cadastral map had been managed by form drawn on 2 dimension plane paper with 7 regular scales. Recently as computer systems are upgrading, cadastral map was able to have a chance to develope one step. Its type has been remade from raster to vector. In result, the cadastral map of vector type becomes to apply variously. Therefore, digital cadastral map has been ready a system to be use with multi-propose by KLIS(Korean Land Information System). In this research, it concretely want presentation of status using land more than original parcel on basic coordination cadastral map and KLIS(Korean Land Information System). The cadastral map is composed as parcel unit was applied by new presentation technique to "Model Research on One Parcel Presentation Technique for Land Status of Cadastral Map". The function of cadastral map on One Parcel Presentation Technique which is not only location relation of possession right and expression of states using land in 28 classifications demonstrated on the cadastral law but also used as foundation data of GIS construct business is developed by lines and classification of parcel to center around public sites of roads, rails, drains and rivers. especially, this research is composed of technique elevation and development of One Parcel Projection Technique of cadastral map in using object of roads among public sites.

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A Study on Effect of Intellectual Study Cadastral Data Maintenance Business - Focusing on Uiwang-city - (지적공부 자료정비 사업의 효과에 관한 연구 - 경기도 의왕시를 중심으로 -)

  • Choe, cho-won;Shin, soon-ho
    • Journal of Cadastre & Land InformatiX
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    • v.47 no.1
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    • pp.237-250
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    • 2017
  • This study focuses on the maintenance of the registration details of the cadastral study (drawings, chiefs) in relation to Uiwang city real estate administration information unification project by the data maintenance business. The purpose of this study is to provide high quality data and improve the efficiency of data maintenance business in the unification of real estate administration information together with the intellectual study diffusion maintenance model in the future. In this study, based on the results of the intellectual study data maintenance project and the effectiveness of institutional, temporal and cost aspects, it was able to show the effect of the data maintenance project. And analyzed the current situation, typed the error shown here, and developed the maintenance plan and maintenance result.

Establishment of Priority Update Area for Land Coverage Classification Using Orthoimages and Serial Cadastral Maps

  • Song, Junyoung;Won, Taeyeon;Jo, Su Min;Eo, Yang Dam;Park, Jin Sue
    • Korean Journal of Remote Sensing
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    • v.37 no.4
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    • pp.763-776
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    • 2021
  • This paper introduces a method of selecting priority update areas for subdivided land cover maps by training orthoimages and serial cadastral maps in a deep learning model. For the experiment, orthoimages and serial cadastral maps were obtained from the National Spatial Data Infrastructure Portal. Based on the VGG-16 model, 51,470 images were trained on 33 subdivided classifications within the experimental area and an accuracy evaluation was conducted. The overall accuracy was 61.42%. In addition, using the differences in the classification prediction probability of the misclassified polygon and the cosine similarity that numerically expresses the similarity of the land category features with the original subdivided land cover class, the cases were classified and the areas in which the boundary setting was incorrect and in which the image itself was determined to have a problem were identified as the priority update polygons that should be checked by operators.

A Conceptual Data Model for a 3D Cadastre in Korea

  • Lee, Ji-Yeong;Koh, June-Hwan
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.25 no.6_1
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    • pp.565-574
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    • 2007
  • Because of most current cadastral systems maintain 2D geometric descriptions of parcels linked to administrative records, the system may not reflect current tendency to use space above and under the surface. The land has been used in multi-levels, e.g. constructions of multi-used complex buildings, subways and infrastructure above/under the ground. This cadastre situation of multilevel use of lands cannot be defined as cadastre objects (2D parcel-based) in the cadastre systems. This trend has requested a new system in which right to land is clearly and indisputably recorded because a right of ownership on a parcel relates to a space in 3D, not any more relates to 2D surface area. Therefore, this article proposes a 3D spatial data model to represent geometrical and topological data of 3D (property) situation on multilevel uses of lands in 3D cadastre systems, and a conceptual 3D cadastral model in Korea to design a conceptual schema for a 3D cadastre. Lastly, this paper presents the results of an experimental implementation of the 3D Cadastre to perform topological analyses based on 3D Network Data Model to identify spatial neighbors.

A Study on the Survey Methodology in Riverbed Private Use using Integration Drone Photogrammetry and Cadastral Information (드론 사진측량과 지적정보를 융합한 하천부지 점용 조사방법)

  • Oh, Yi Kyun
    • Journal of Cadastre & Land InformatiX
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    • v.47 no.2
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    • pp.135-144
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    • 2017
  • The riverbed areas have exposed to various natural disasters and the private use by neighboring residents have caused many problems. The research objectives are to survey the actual situation of riverbed areas in order to prevent landscape damage and private use. Drone and photogrammetry, orthophoto, DSM(Digital Surface Model), digital topographic map and cadastral information have been integrated by GIS technology. The flood and disaster vulnerable area has been surveyed and the land use and private use has been analyzed using cadastral information. The research results show that the analyzed data can be used for providing foundation data for management of river and also can be used for surveying actual situation of private use on the riverbed areas.