• Title/Summary/Keyword: DEM resolution

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Inhalt und Probleme von dem Entwurf des Änderungsgesetzes zum koreanischen Verwaltungsprozessgesetz - Zugleich eine kritische Betrachtung zum Änderungsgesetz für Reform und Entwicklung des Verwaltungsprozesses - (행정소송법 개정안의 내용 및 문제점 - 특히 행정소송의 개혁과 발전을 위한 비판적 고찰을 중심으로 -)

  • Chung, Nam-Chul
    • Journal of Legislation Research
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    • no.44
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    • pp.283-314
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    • 2013
  • Das koreanische Verwaltungsprozessgesetz (KVwPG) wurde am 24. 8. 1951 kodifiziert. Es hat bisher mehrmals $ge{\ddot{a}}ndert$. Der Regierungsentwurf des KVwPG-${\ddot{A}}nderungsgesetzes$ vom 30. 3. 2013, ist fast $drei{\ss}ig$ jahre nach der Novellierung des KVwPGs 1984 erfolgt und auch spiegelt sich die Erfolge der $Bem{\ddot{u}}hungen$ in Literatur und Rechtsprechung wider. Aber es gibt nicht nur einige Unterschiede zwischen dem Regierungsentwurf und dem Entwurf der Kommission des Justizministeriums zur ${\ddot{A}}nderung$ des KVwPG (dem sog. Kommissionsentwurf), sondern auch der Regierungsentwurf ist theoretisch nicht problemlos. Vor allem sind Begriff und Umfang der neuen Klagebefugnis nicht klar. Des weiteren sind in ${\S}$ 12 des Regierungsentwurfs die Klagebefugnis mit dem $Rechtsschutzbed{\ddot{u}}rfnis$ identisch gesehen. Der $Rechtsschutzbed{\ddot{u}}rfnis$ nach ${\S}$ 12 Satz 2 des Regierungsentwurfs kann aus meiner Sicht relativ eng ausgelegt. Die $Einf{\ddot{u}}hrung$ der Verpflichtugnsklage in den Regierungsentwurf ist sehr gut, aber es kann trotzdem als problematisch angesehen werden dass Feststellungsklage der Rechtswidrigkeit der Unterlassung und Anfechtungsklage gegen Ablehnung bestehen noch. Der Begriff der Unterlassung ist $unn{\ddot{o}}tig$ und auch strikt. $Vorl{\ddot{a}}ugier$ Rechtsschutz des Regierungsentwurfs ist unter dem Gesichtpunkt der Rechtsschutz der $B{\ddot{u}}rger$ noch zu verbessern, aber doch das Modell des japanischen Verwaltungsprozessgesetzes darf nicht befolgt werden. Aufbau und System des $vorl{\ddot{a}}ufigen$ Rechtsschutzes sind auch nicht eindeutig. Nach Gegenstand und Klageart muss das Institut des $vorl{\ddot{a}}ufigen$ Rechtsschutzes in Ordnung gebracht werden. Es ist nicht ${\ddot{u}}berzeugend$ dass die $Einw{\ddot{a}}nde$ gegen die $Einf{\ddot{u}}hrung$ der vorbeugenden Unterlassung mit dem Gewaltenteilungsprinzip und der $Eigenst{\ddot{a}}ndigkeit$ der Verwaltung erhoben sind. $Dar{\ddot{u}}ber$ hinaus ist ADR (Alternative Dispute Resolution) zu beachten. In Bezug darauf ist Rechtgrundlage $f{\ddot{u}}r$ Mediation in der Verwaltungsgerichtsbarkeit zu stellen.

How to utilize vegetation survey using drone image and image analysis software

  • Han, Yong-Gu;Jung, Se-Hoon;Kwon, Ohseok
    • Journal of Ecology and Environment
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    • v.41 no.4
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    • pp.114-119
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    • 2017
  • This study tried to analyze error range and resolution of drone images using a rotary wing by comparing them with field measurement results and to analyze stands patterns in actual vegetation map preparation by comparing drone images with aerial images provided by National Geographic Information Institute of Korea. A total of 11 ground control points (GCPs) were selected in the area, and coordinates of the points were identified. In the analysis of aerial images taken by a drone, error per pixel was analyzed to be 0.284 cm. Also, digital elevation model (DEM), digital surface model (DSM), and orthomosaic image were abstracted. When drone images were comparatively analyzed with coordinates of ground control points (GCPs), root mean square error (RMSE) was analyzed as 2.36, 1.37, and 5.15 m in the direction of X, Y, and Z. Because of this error, there were some differences in locations between images edited after field measurement and images edited without field measurement. Also, drone images taken in the stream and the forest and 51 and 25 cm resolution aerial images provided by the National Geographic Information Institute of Korea were compared to identify stands patterns. To have a standard to classify polygons according to each aerial image, image analysis software (eCognition) was used. As a result, it was analyzed that drone images made more precise polygons than 51 and 25 cm resolution images provided by the National Geographic Information Institute of Korea. Therefore, if we utilize drones appropriately according to characteristics of subject, we can have advantages in vegetation change survey and general monitoring survey as it can acquire detailed information and can take images continuously.

The Study of the Plan regarding DSM Generation for Production of True-Orthophoto in Urban Areas (도심지역 실감정사영상 제작을 위한 정밀 DSM 생성 방안)

  • Lee, Hyun-Jik;Kim, Hong-Sub;Yoo, Kang-Min;Kang, In-Gu
    • Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
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    • 2007.04a
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    • pp.103-106
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    • 2007
  • Recently, production and application of ortho image using high resolution image are increasing by acquired high quality data from development of photogrammetry and IT technology. Generally, An ortho image has some problems that cannot remove completely to relief displacement about cultural feature like building and overpass because of performance rectification using DEM. Therefore, in this study, I generated DSM each of four experiment cases for production of true ortho image which is removed relief displacement of building using digital photogrammetry technique and LiDAR data, presented the plan of DSM production that is appropriate to production true ortho image by analyzing an accuracy after manufacture an ortho image each of DSM.

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Correlation analysis between rotation parameters and attitude parameters in simulated satellite image

  • Yun, Young-Bo;Park, Jeong-Ho;Yoon, Geun-Won;Park, Jong-Hyun
    • Proceedings of the KSRS Conference
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    • 2002.10a
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    • pp.553-558
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    • 2002
  • Physical sensor model in pushbroom satellite images can be made from sensor modeling by rotation parameters and attitude parameters on the satellite track. These parameters are determined by the information obtained from GPS, INS, or star tracker. Provided from satellite image, an auxiliary data error is connected directly with an error of rotation parameters and attitude parameters. This paper analyzed how obtaining satellite images influenced errors of rotation parameters and attitude parameters. furthermore, for detailed analysis, this paper generated simulated satellite image, which was changed variously by rotation parameters and attitude parameters of satellite sensor model. Simulated satellite image is generated by using high-resolution digital aerial image and DEM (Digital Elevation Model) data. Moreover, this paper determined correlation of rotation parameter and attitude parameters through error analysis of simulated satellite image that was generated by various rotation parameters and attitude parameters.

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APPLICATION OF DEMs OF LIDAR DATA IN HYDROLOGY MODELING

  • Son Min-Ho;Lee Woo-Kyun;Kwak Doo-Ahn
    • Proceedings of the KSRS Conference
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    • 2005.10a
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    • pp.519-521
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    • 2005
  • In recent years, LiDAR(Light Detection and Ranging) data has been widely used to prepare digital elevation models(DEMs) with the high spatial resolution of centi-meters. This paper investigated possible applications of LiDAR-derived DEMs in surface hydrology modeling, such as characterizing flow direction, identifying sub-basins in a watershed, and calculating variables like upstream contribution area. The results were compared to the results of the DEMs from conventional topographic maps.

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CROP MANAGEMENT SYSTEM BASED ON HIGH SPATIAL RESOLUTION IMAGES

  • Kim Seong Joon;Kwon Hyung Joong;Park GeunAe;Lee Mi Seon
    • Proceedings of the KSRS Conference
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    • 2005.10a
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    • pp.257-259
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    • 2005
  • A crop management system was developed using Visual Basic and ArcGIS VBA. The system is operated on ArcGlS 8.3 with Microsoft Access MOB. Landsat +ETM, KOMPSAT-l EOC, ASTER VNIR and IKONOS panchromatic (pan) and multi-spectral (MIS) images were included in the system to understand what kind of agriculture-related information can be extracted for each images. Agriculture related data inventories using crop cover information such as texture and average pixel value of the crop based on cultivation calendar were designed ,and implemented. Three IKONOS images (May 25,2001, December 25,2001, October 23,2003) were loaded in the system to show crop cover characteristics such as rice, pear, grape, red pepper, garlic, and surface water cover of reservoir with field surveys. GIS layers such as DEM (Digital Elevation Model), stream, road, soil, land use and administration boundary were also supplied and can be overlaid with images to enhance the understanding the general agricultural characteristics and identifying the location easily.

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A Study on 3D Reconstruction of Urban Area

  • Park Y. M.;Kwon K. R.;Lee K. W.
    • Proceedings of the KSRS Conference
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    • 2005.10a
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    • pp.470-473
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    • 2005
  • This paper proposes a reconstruction method for the shape and color information of 3-dimensional buildings. The proposed method is range scanning by laser range finder and image coordinates' color information mapping to laser coordinate by a fixed CCD camera on laser range finder. And we make a 'Far-View' using high-resolution satellite image. The 'Far-View' is created that the height of building using DEM after contours of building extraction. The user select a region of 'Far View' and then, appear detailed 3D-reconstruction of building The outcomes apply to city plan, 3D-environment game and movie background etc.

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A Design and Implementation of VOD Service System with Off-line Search Function (오프라인 검색기능을 가진 주문형 비디오 서비스 시스템 설계 및 구현)

  • 이혜정;박두순
    • Journal of Korea Multimedia Society
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    • v.4 no.3
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    • pp.205-214
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    • 2001
  • As the real time multimedia data service has become available due to the rapid progress of computer and Internet technology, the users can enjoy the newly developed service, which is called Video On-Dem-and(VOD). However, most of service providers have not paid their attention much on the software for various service modes on VOD, but they are only concentrating un the hardware to provide with the high resolution video display. Therefore, the service providers are recently to pay more attention on the software to cope with the various demands of users than hardware. So this paper has designed and implemented the VOD service system for those demands. Since the VOD service system suggested by this paper enable off-line search functions through E-mail, the users can possibly get the necessary information from off-line Search without connecting to the server while the current VOD service can prominently help users to save the time and effort to sea고 and select the Video contents by using periodical current awareness service supported by PUSH technology and user oriented information booking and feedback service supported by SDI service.

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Flood Runoff Analysis on the Anseong-cheon watershed using TOPMODEL and Muskingum method. (TOPMODEL과 Muskingum 기법을 이용한 안성천유역의 홍수유출분석)

  • Kwon, Hyung-Joong;Kim, Seong-Joon
    • Proceedings of the Korean Society of Agricultural Engineers Conference
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    • 2002.10a
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    • pp.289-292
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    • 2002
  • In this study, a topography based hydrologic model (TOPMODEL) was tested on the Anseong-cheon watershed. Pit in watershed was removed by liner trend surface interpolator. The DTM Analysis program is used to derived a distribution of ln($a/tan{\beta}$) values from DEM (Digital Elevation Model) using the MDF (Multiple Direction Flow) algorithm of Quinn et al (1995). Current TOPMODEL program limits are number of time step, ln($a/tan{\beta}$) increment, delay histogram ordinate and size of subcatchment pixel maps. Therefore, TOPMODEL is not suitable for application of large watershed. Muskingum method and watershed division enhance grid pixel resolution for rainfall-runoff simulation accuracy.

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Analysis of Hydrological Impact for Long-term Land Cover Change using WMS HEC-l Model in Anseong-Cheon Watershed (WMS HEC-1을 이용한 안성천 유역의 경년 수문 변화 분석)

  • Park, Geun-Ae;Kim, Seong-Joon
    • Proceedings of the Korean Society of Agricultural Engineers Conference
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    • 2002.10a
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    • pp.293-296
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    • 2002
  • The purpose of this study is to evaluate the hydrological impact due to temporal land cover change urbanization of Anseong-cheon watershed $(585.09km^2)$. WMS (Watershed Modeling System) HEC-1 was adopted, and burned DEM with $200{\times}200m$ resolution and soil map reclassified by hydrologic soil groups were prepared. Land cover for 1985, 1990, 1995 and 2000 were classified by maximum likelihood method, using Landsat MSS and TM imageries. Calibration and verification of HEC-1 were conducted using 4 storm events. Peak flow at Pyeong taek station increased $25.9m^3/sec$ during the past 15 years due to paddy and forest decrease. Streamflow impact by just paddy area decrease and forest area decrease were also analysed keeping watershed CN values unchanged of the given year, respectively.

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