• Title/Summary/Keyword: Field Of View Analysis

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Application Study on the View Points Analysis for National Roads Route using Digital Elevation Data

  • Yeon, Sang-Ho;Hong, Ill-Hwa
    • Proceedings of the KSRS Conference
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    • 2002.10a
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    • pp.292-296
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    • 2002
  • This study has been accomplished as a experimental study for field application of 3D Perspective Image Map creation using Digital Topographical Map and based on the Ortho-Projection Image which is generated from Satellite Overlay Images and the precise Relative Coordinates of longitude, latitude and altitude which is corrected by GCP(Ground Control Point). AS to Contour Lines Map which is created by Coordinate conversion of 1:5,000 Topographical Map, we firstly made Satellite Image Map to substitute for Digital Topographical Map through overlapping the original images on top of each Ortho-Projection Image created and checking the accuracy. In addition to 3D Image Map creation for 3D Terrain analysis of a target district, Slope Gradient Analysis, Aspect Analysis and Terrain Elevation Model generation, multidirectional 3D Image generation by DEM can be carried out through this study. This study is to develop a mapping technology with which we can generate 3D Satellite Images of a target district through the composition of Digital Maps and Facility Blueprint and arbitrarily create 3D Perspective Images of the target district from any view point.

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An Analysis of View on the Teaching Profession of Early Childhood Teachers in the Field (현장 유아교사의 교직관 분석)

  • Seon-Mi Park;Yu-Mi Park
    • Journal of the Health Care and Life Science
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    • v.11 no.1
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    • pp.97-103
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    • 2023
  • The purpose of this study was to find out view on the teaching profession of teachers working in early childhood education and to find ways to support teachers in the field. Data were collected through telephone interviews with 16 teachers at private kindergartens and daycare centers in Chungnam and Daejeon. As a result of the research, active support is needed to form a teaching profession based on an understanding of the profession. In addition, there is a need to create an atmosphere that can improve the perception of the teaching profession in society, as well as institutional mechanisms to ensure that the teaching authority can be adequately established. Various programmes related to the formation of the right teaching profession to develop an understanding of the profession of pre-school teachers should be provided as retraining to teachers in the field.

A Numerica analysis on the lift-off motion of Free Conducting Particle in GIS (GIS내에 함유된 자유 도전성 파티클의 거동해석)

  • Lee, Bang-Wook;Koo, Ja-Yoon
    • Proceedings of the KIEE Conference
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    • 1996.07c
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    • pp.1925-1928
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    • 1996
  • In this work, the behavior of conducting wire type particles existing inside the cylinder type coaxial electrode has been systematically investigated by charge simulation method and electrostatic force analysis from the view point of the acquired charging before being lifted off into the gap under the high ac voltage. Spheroidal charge are adopted as a image charge for the CSM analysis in order to calculate the acquired charges of the particles which are erected on the surface of the outer electrode. For this purpose, different material of the particle and their lengths and diameters have been considered in view to calculate their lift-off field, acquired charge and to understand their effect on the lift-off voltage. The results imply that the particle lengths and diameter have an different influence on the particle behavior in GIS system.

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A Soccer Image Sequence Mosaicking and Analysis Method Using Line and Advertisement Board Detection

  • Yoon, Ho-Sub;Bae, Young-Lae J.;Yang, Young-Kyu
    • ETRI Journal
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    • v.24 no.6
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    • pp.443-454
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    • 2002
  • This paper introduces a system for mosaicking sequences of soccer images in a panoramic view for soccer game analysis. The continuous mosaic images of the soccer ground field allow the user to view a wide picture of the players' actions. The initial component of our algorithm automatically detects and traces the players and some lines. The next component of our algorithm finds the parameters of the captured image coordinates and transforms them into ground model coordinates for automatic soccer game analysis. The results of our experimentations indicate that the proposed system offers a promising method for segmenting, mosaicking, and analyzing soccer image sequences.

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Analysis of Flood Inundation using GIS (GIS를 이용한 홍수범람 분석)

  • Shim, Soon-Bo;Kim, Joo-Hun;Lim, Gwang-Seop;Oh, Deuk-Keun
    • Journal of the Korean Association of Geographic Information Studies
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    • v.6 no.1
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    • pp.132-142
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    • 2003
  • A significant deficiency of most computer models used for stream floodplain analysis, is that the locations of structures impacted by flood waters, such as roads, buildings, and bridges, cannot be effectively compared to the floodplain location. The purpose of this study is the integration of the HEC River Analysis System(HEC-RAS) with ArcView geographic information system to develop a regional model for floodplain determination and representation. Also this study presents to enable two- and three-dimensional floodplain mapping and analysis in the ArcView. The methodology is applied to a Yeoju of Kyunggi-do, located in South Han River Basin. A digital terrain model is synthesized from HEC-RAS cross-sectional data and a digital elevation model of the study area. The flood plain data developed in ArcView was imported into HEC-RAS where it was combined with the field surveyed channel data in order to construct full floodplain cross sections that reflected accurate channel and overbank data for the HEC-RAS model. The flood plain limits could be expressed more accurately on ArcView by using water level data to be computed in HEC-RAS program. The computed water surface elevations and information of cross-section must be manually plotted in order to delineate floodplains. The resulting of this study provided a good representation of the general landscape and contained additional detail within the stream channel. Overall, the results of the study indicate that GIS combined with HEC-RAS is proven to be very useful and efficient for the automatic generation of flood maps, and an effective environment for floodplain mapping and analysis.

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The Initial Magnetic Field Decay of the Superconducting Magnet in the Persistent Current Mode (초전도자석의 영구전류모드 운전시 초기자장감쇠)

  • 배준환;심기덕;권영길
    • Progress in Superconductivity and Cryogenics
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    • v.2 no.1
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    • pp.31-34
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    • 2000
  • this paper deals with the initial magnetic field decay for a large scale superconducting magnet e.g. NMR/MRI magnet. The high resolution image can not be obained during the periods of the initial field decay. It is known that all superconducting materials have the property of diamagnetism. This diamagnetism is usually explained with the concept of screening current. We assumed that the existence of the screening currebt. we assumed that the existence of the screening current makes the current distribution in the superconducting wire non-uniform. And the initial magnetic field decay is caused steady current state in the view of its pattern. The initial magnetic field decay is caused by the change of the current distribution between the energizing state and persistent current mode. in this paper the theoretical analysis for the current distributions has been introduced for each state. The experiments have been carried out to verify transport currents in order to veperiments, it small at the higher transport current.

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A study on the factor in a view of mathematical learning (수학관의 요인에 관한 연구)

  • Kim, Sang-Lyong
    • Journal of the Korean Data and Information Science Society
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    • v.27 no.2
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    • pp.295-304
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    • 2016
  • This study investigates significant factors in mathematical learning and examines the inter-grade and gender-based differences of elementary students. Five factors that are counted to affect the view of mathematical learning are (1) confidence, (2) utility, (3) aversion, (4) practical ability, and (5) traditional view of mathematical learning. The factor analyses on third graders and sixth graders each illustrate the features of inter-grade factors. The result also indicates that the factors may vary depending on the traits and circumstances of students surveyed. Third graders are more likely to be positive compared to sixth graders in terms of confidence and practical ability, which calls for implementing 'doing mathematics' and reinforcing the method of mathematical learning in the general educational field.

A Study on the Multi-View Based Computer Aided Diagnosis in Digital Mammography (디지털 유방영상에서 멀티영상 기반의 컴퓨터 보조 진단에 관한 연구)

  • Choi, Hyoung-Sik;Cho, Yong-Ho;Cho, Baek-Hwan;Moon, Woo-Kyoung;Im, Jung-Gi;Kim, In-Young;Kim, Sun-I.
    • Journal of Biomedical Engineering Research
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    • v.28 no.1
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    • pp.162-168
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    • 2007
  • For the past decade, the full-field digital mammography has been widely used for early diagnosis of breast cancer, and computer aided diagnosis has been developed to assist physicians as a second opinion. In this study, we try to predict the breast cancer using both mediolateral oblique(MLO) view and craniocaudal(CC) view together. A skilled radiologist selected 35 pairs of ROIs from both MLO view and CC view of digital mammogram. We extracted textural features using Spatial Grey Level Dependence matrix from each mammogram and evaluated the generalization performance of the classifier using Support Vector Machine. We compared the multi-view based classifier to single-view based classifier that is built from each mammogram view. The results represent that the multi-view based computer aided diagnosis in digital mammogram could improve the diagnostic performance and have good possibility for clinical use to assist physicians as a second opinion.

Applications of the Text Mining Approach to Online Financial Information

  • Hansol Lee;Juyoung Kang;Sangun Park
    • Asia pacific journal of information systems
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    • v.32 no.4
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    • pp.770-802
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    • 2022
  • With the development of deep learning techniques, text mining is producing breakthrough performance improvements, promising future applications, and practical use cases across many fields. Likewise, even though several attempts have been made in the field of financial information, few cases apply the current technological trends. Recently, companies and government agencies have attempted to conduct research and apply text mining in the field of financial information. First, in this study, we investigate various works using text mining to show what studies have been conducted in the financial sector. Second, to broaden the view of financial application, we provide a description of several text mining techniques that can be used in the field of financial information and summarize various paradigms in which these technologies can be applied. Third, we also provide practical cases for applying the latest text mining techniques in the field of financial information to provide more tangible guidance for those who will use text mining techniques in finance. Lastly, we propose potential future research topics in the field of financial information and present the research methods and utilization plans. This study can motivate researchers studying financial issues to use text mining techniques to gain new insights and improve their work from the rich information hidden in text data.

Development and Application of Sewer Facility Management System (하수도 시설 관리 시스템의 개발 및 적용)

  • Kim, Joon Hyun;Han, Young Han
    • Journal of Industrial Technology
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    • v.19
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    • pp.279-285
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    • 1999
  • An integrated sewer management system was developed for the analysis of sewer flow and for optimal operation of sewer works using ArcView and SWMM. SWMM and ArcView were dynamically linked together using Avenue in order to construct user-friendly management system. The developed system was applied to a residential area in Choonchun city to verify its utilities. All the relevant field data were analyzed on the basis of developed system, and the modeling of sewer flow was implemented using RUNOFF, EXTRAN, TRANSPORT in SWMM. This system is now in the process of connection to the management system of watershed and surface environment in order to develope an integrated environmental management system. Futhermore, this system will be a critical part of overall control system of sewer works including sewer line and wastewater treatment plant. As this system can provide comprehensive prediction of flow and pollution profiles, it could serve as a tool not only for optimal management, but also for decision support system to examine the efficiency of planning and implementation of sewer projects.

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