• Title/Summary/Keyword: visualization techniques

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Multiple Interactive Visualization Techniques for Information (복합상호작용 시각화기법을 통한 정보 표출)

  • Kang, Sang-Goo;Nam, Doohee
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.11 no.5
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    • pp.56-61
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    • 2012
  • Several Visualization techniques have been applied in traffic information area. This work is the basic research for applying of interactive visualization techniques when the traffic information is provided to users. Design of interactive visualization techniques were applied to traffic information services. Previous studies for information visualization with interactive visualization techniques were investigated, and the traffic information services currently provided were analyzed. There are many types of interactive visualization techniques, but this study is mainly focused on selecting, querying, linking, filtering and rearranging techniques. The users can obtain the proper and more suitable information for theie needs, because each interactive visualization techniques support interaction between information and users. The traffic information which has one of interactive techniques can be more effective for decision making and utilization. More attention is given to interactive visualization of data and information techniques in transportation field. By this research, it is expected that traffic information services is more effective and can be a foundation work for various interactive visualization techniques in traffice inforamtion.

Visualization Techniques for Marine Engineering Research (조선해양공학 분야의 가시화기법)

  • Hyun Beom-Soo;Doh Deog-Hee
    • Journal of the Korean Society of Visualization
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    • v.1 no.2
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    • pp.3-12
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    • 2003
  • This paper describes the general aspects of various visualization techniques employed for marine engineering research including classical naval architecture, ocean engineering and other related topics. Visualization techniques performed mostly by authors' were introduced here, which range from old fashioned methods such as paint and tuft tests to the newly emerging PIV technique and Sonar in broad sense. Brief explanation of each technique was made for the instruction purposes. It is strongly recommended that the interdisciplinary project with experts in other research areas is necessary in order to develop more advanced and profitable techniques.

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A Review on Swirling Flow by Using Flow Visualization Techniques in the Circular Tubes (원형관 내에서 유동가시화 기법을 이용한 선회유동에 관한 연구고찰)

  • Chang, Tae-Hyun;Doh, Deog-Hee;Lee, Kwoon-Soo
    • Journal of the Korean Society of Visualization
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    • v.8 no.3
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    • pp.12-21
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    • 2010
  • Swirling flows are found in very wide range of applications, for examples, cyclone separators, spraying machines, heat exchangers and jet pumps, ect. Relatively, little work has been done on the swirl flow using flow visualization techniques. This study deals with many visualization techniques to study on swirling flow. These techniques are related to oil films methods, smoke, dye liquids, liquid crystal, stroboscope light, smoke wire, white light, naphthalene sublimation, LDV(lase doppler Velocimetry) and PIV(particle image velocimetry). The present work has handled single, annular, carved tube, swirl expansion and swirl wake using several visualization methods in the vertical and horizontal circular tube.

Advanced Flow Visualization Technologies and Blue Ocean Strategy (첨단 유동가시화 기법들과 Blue Ocean 전략)

  • Lee, Sang-Joon
    • Journal of the Korean Society of Visualization
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    • v.4 no.2
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    • pp.3-5
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    • 2006
  • Recently, the next-generation advanced flow visualization techniques such as holographic PIV, aynni.c PIV, echo-PIV, micro/nano-PIV, and X-ray PIV have been introduced. These advanced mea-surement techniques have a big potential as the core technology for analyzing outmost thermo-fluid flows in future. They would be indispensable in solving complicated thermo-fluid flow problems not only in industrial fields such as automotive, space, electronics, aero- and hydro-dynamics. steel, and information engineering, but also in the research fields of medical science, bio-medical engineering, environmental and energy technology etc. Especially, NT (Nano Technology) and BT (Bio Technology) strongly demand these advanced measurement techniques, because it is impossible for conventional measurement methods to observe the nano- and bio-fluidic flow phenomena. In this article, the basic principle of these high-tech flow visualization techniques and their practical applications which cannot be resolved by conventional methods, such as blood flows in a micro-tube, in vivo analysis of micro-circulation, and flow around a living body are introduced as a blue ocean strategy.

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Visualization of Combustion by Using Laser Diagnostic Techniques (레이저 진단기법을 이용한 연소 가시화 기술)

  • Chung S. H.;Won S. H.
    • Journal of the Korean Society of Visualization
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    • v.2 no.1
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    • pp.52-56
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    • 2004
  • Several visualization techniques of laser diagnostics are presented for combustion phenomena, including Mie scattering for flow, Rayleigh and Raman scattering spectroscopy for major species, laser-induced fluorescence for minor species, and laser-induced incandescence for soot. These techniques have been applied to understand the various combustion phenomena more clearly, including buoyancy-dominant flow system, diffusion flam oscillation, laminar and turbulent lifted flames, flame propagation along a vortex ring, and soot zone characteristics. The usefulness of laser diagnostics on a better understanding of physical mechanism is demonstrated.

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A Usability Evaluation on the Visualization Techniques of Web Retrieval Results (웹 검색 결과 시각화 기법의 사용성 평가에 관한 연구)

  • Kim, Seong-Hee;Kim, Moon-Jeong
    • Journal of the Korean Society for Library and Information Science
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    • v.41 no.3
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    • pp.181-199
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    • 2007
  • This study is to suggest the usefulness of visualization techniques to display web retrieval results. We described the concept of visualization techniques and evaluated the usability for the SearchCrystal and KartOO search engines which provide visualization techniques for displaying the retrieval results. As a result, Searchcrystal search engine had higher score than KartOO system in terms of usability check lists.

A Study on the Application of Interactive Visualization Techniques to the Collections of the National Archives of Korea (기록물의 인터랙티브 시각화 적용에 관한 연구 - 국가기록원 기록물을 중심으로 -)

  • Yoo, Jiyoon;Kim, Jihyun
    • Journal of Korean Society of Archives and Records Management
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    • v.16 no.3
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    • pp.31-67
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    • 2016
  • As the amount of digital collections has been increasing, a new approach is needed to improve access to records. Interactive visualization allows users to more easily browse and navigate across large collections. Cultural heritage institutions in the United States, United Kingdom, and Australia introduced interactive visualization techniques to diversify ways by which to access archival records. This study aims to propose a method for applying interactive visualization to archival collections. It began with an analysis of interactive visualization cases in overseas cultural heritage institutions. Based on the analysis, a visualization of the collections held by the National Archives of Korea using various interactive visualization techniques was suggested.

User Preference and Workload Changes According to Information Visualization Methods (정보표현방식에 따른 사용자 호의도 및 업무부하량 변화)

  • Chung Kyung Ho
    • Journal of KIISE:Software and Applications
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    • v.32 no.1
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    • pp.34-40
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    • 2005
  • Despite the wide range of information and engineering visualization techniques available, studies in investigating the effectiveness of the techniques in visualization has been rare. The typical visualization techniques were CAD, 2D and 3D computer graphics, and virtual environment (VE) that use 3D displays of 3D. space. The objects of this study is to analyze the user preferences and workload changes according to the visualization methods of engineering drawings such as 2D CAD, 2D computer graphics, 3D computer graphics, and augmented reality which is a variation of VEs. The results showed that users preferred 3D visualization techniques to 2D visualization techniques, though there were no workloads differences. Furthermore, the 3D perspective of AR which analogies the real world could facilitate the interpretation of engineering drawings.

INTERACTIVE VISUALIZATION TECHNIQUES FOR A VIRTUAL REALITY BASED ANALSYIS OF SIMULATION RESULTS

  • Benolken, Paul;Graf, Holger;Rix, Joachim
    • Proceedings of the Korea Society for Simulation Conference
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    • 2001.10a
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    • pp.237-247
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    • 2001
  • In this paper we present an overview of existing state of the art visualization techniques fur the interactive analysis of results from numerical simulations and measurements. We describe the basic concepts and key ideas behind these different visualization methods in this paper. The potential of these techniques for an efficient integration into a virtual reality environment will be investigated. Furthermore we present our first demonstrator fur visualizing multiparametric data and give an outlook on our plans for further exploiting and developing these techniques in an upcoming project.

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Advanced Flow Visualization Technologies and Blue Ocean Strategy (첨단 유동가시화 기법들과 Blue Ocean 전략)

  • Lee, Sang-Joon
    • 유체기계공업학회:학술대회논문집
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    • 2006.08a
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    • pp.145-146
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    • 2006
  • Recently, the next-generation advanced flow visualization techniques such as holographic PIV, dynamic PIV, echo-PIV, micro/nano-PIV, and X-ray PIV have been introduced. These advanced measurement techniques have a big potential as the core technology for analyzing outmost thermo-fluid flows in future. These would be indispensable in solving complicated thermo-fluid flow problems not only in the industrial fields such as automotive, space, electronics, aero- and hydro-dynamics, steel, and information engineering, but also in the research fields of medical science, bio-medical engineering, environmental and energy engineering etc. Especially, NT (Nano Technology) and BT (Bio Technology) strongly demand these advanced measurement techniques, because it is impossible for conventional measurement methods to observe most complicated nano- and bio-fluidic phenomena. In this presentation, the basic principle of these high-tech flow visualization techniques and their practical applications which cannot be resolved by conventional methods, such as blood flows in a micro-tube, in vivo analysis of micro-circulation, and flow around a living body will be introduced as a blue ocean strategy.

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