• The Journal of the Korea Contents Association
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• v.19 no.2
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• pp.79-87
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• 2019

This research aims to suggest the direction of visual expression of a dokkaebi, based on the image of it that people possess. The method of the research is questionnaire survey. For the case study, fifteen picture books have been selected and thirty three imagery adjectives have been extracted. As the result this research poses the methods as following; firstly, cheerful and humorous appearance of Dokkaebi in Korean image, secondly, present of behavioral expression, for third, design with the visually specialized factor.

• The Transactions of the Korea Information Processing Society
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• v.6 no.6
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• pp.1447-1457
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• 1999

Visual Object Query language(VOQL) proposed recently is a visual object-oriented database query language which can effectively represent queries on complex structured data, since schema information is visually included in query expressions. VOQL, which is a graph-based query language with inductively defined semantics, can concisely represent various text-based path expressions by graph, and clearly convey the semantics of complex path expressions. however, the existing VOQL assumes that all the attributes are multi-valued, and cannot visualize the concept of binding of object variables. therefore, VPAL query expressions are not intuitive, so that it is difficult to extend the existing VOQL theoretically. In this paper, we propose VOQL that improved on these problems. The improved VOQL visualizes the result of a single-valued attribute and that of a multi-valued attribute as a visual element and a subblob, respectively, and specifies the binding of object variables by introducing visual variables, so that the improved VOQL intuitively and clearly represents the semantics of queries.

• 한국IT서비스학회:학술대회논문집
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• 2008.05a
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• pp.419-424
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• 2008

최근 네트워크 및 정보통신 기술의 발달로 유비쿼터스(Ubiquitous) 환경이 구체화되면서 미래의 정보 기술 산업을 주도할 유비쿼터스 센서 네트워크(Ubiquitous Sensor Network : USN)가 주목받고 있다. 이러한 USN기반의 서비스는 각종 센서들로부터 인식된 데이터를 수집하고 이를 가공하여 사용자가 이해하기 쉽게 USN 자원에 대한 정보를 전달해야 한다. 그러나 USN자원에 대한 정보를 사용자가 이해하기 쉽도록 웹 상에서 시각적으로 표현하기 위한 연구는 보이지 않고 있다. 본 논문에서는 USN 데이터를 크게 센싱데이터와 메타데이터로 분류하고 이를 효과적으로 표현할 수 있는 시각적 요소들을 제안하였다. 그리고 사용자 질의에 대한 응답을 분석하여 각 응답 유형에 따라 시각적 요소를 효과적으로 조합하여 사용자가 쉽게 인지할 수 있는 웹 페이지를 설계 및 구현하였다.

• Archives of design research
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• v.20 no.1 s.69
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• pp.219-228
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• 2007

Printing advertisement is aggregate of commercial information communication text consisted of image sign and language sign. This means that verbal tabor through visual stimulation and character is mixed and passes information through picture. Typography is process that visualize verbal appeal in printing advertisement. Therefore study about typography is very important for a visual expression element in printing advertisement. Typography expression of Korean printing advertisement accomplished fast qualitative growth after 2000 flowing the 1990s. This study makes that typography expression propensity of Korean printing advertisement after 2000 of changed of expression structure, changed of expression rule, changed of expression method etc. Accordingly, extracted each three analysis bases. And this study presented expansive direction of typography expression of printing advertising in case studies.

• 한국HCI학회:학술대회논문집
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• 2006.02a
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• pp.717-722
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• 2006

경제지표, 주식시세, 전자상거래 등 시각적으로 제공되는 정보 중에 정확한 숫자가 중요한 정보인 경우도 있지만 2 차 정보로서 변화의 추세나 패턴이 중요한 경우도 있다. 주식을 포함한 유가증권이나 선물거래의 경우 주로 미국식 봉차트를 사용하는데 개인투자자가 늘고 있는 우리나라 실정으로 볼때 식음을 전폐하고 전광판에 매달리는 문제점이 지적되고 있고, 전문투자자들도 시각정보를 놓치지 않기 위해 일상 업무에 소홀해지는 경우가 많다. 이러한 경우 음향정보도 함께 제공한다면 인간은 다양한 감각기관을 가지고 있기 때문에 시각정보를 주로 이용하다가도 잠시 휴식을 취하거나 다른 용무가 있을 때 청각정보를 보완적으로 사용하여 스트레스를 줄일 수 있고 명철한 판단력을 유지할 수 있으며, 경우에 따라서는 음향정보가 상황판단을 위해 더욱 효과적일 수도 있을 것으로 본다. 음향정보가 시각정보를 대체하기 보다는 2 차 정보로서 상호보완성이 목적이라면 정확한 숫자의 표현보다는 거래패턴 등을 음악적으로 표현하여 음악 감상의 기능까지 갖춘다면 시각정보와는 차별화된 음향정보의 독자성을 찾을 수 있다. 간혹 종목별 등락을 읽어주거나 중요한 매매시점에 신호음을 내는 청각적인 방법이 사용되기도 하지만 상당히 제한적이고 단순한 상태이다. 그러므로 본 연구의 진정한 개발목적은 정보성 이외에 예술적 표현을 융합하는 것이며, 시각장애인이나 네트워크 환경이 열악한 사람들도 주식투자에 있어서 평등성을 보장하여 건전한 투자문화를 형성하기 위함이다. 실시간 거래정보를 음악적으로 표현하여 업무를 보면서도 들려오는 음악을 통해 거래상황을 파악할 수 있는 연구방법으로 거래빈도는 음의 빠르기로, 거래가는 음의 높낮이, 거래량은 음의 세기, 종목은 악기의 음색으로 표현하였으며, 컴퓨터에 내장된 사운드카드를 통해 소리를 들을 수 있도록 MIDI 데이터로 변환하였다. 통계정보는 주로 한국증권선물거래소(KRX: The Korea Exchange)에서 발췌하였으며, 시뮬레이션을 위한 프로그래밍 언어로는 Cycling74 의 Max/MSP 를 사용하였다.

• Science of Emotion and Sensibility
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• v.11 no.2
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• pp.227-234
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• 2008

Graphic and sounds are mainly used for presenting digital content as general. It has been reported that the reality of digital contents was improved by adding haptic factor to the contents of graphic and sounds. Therefore, various haptic system have recently been developed for implementing haptic sensation into digital contents. However, the delay of haptic display sometimes happens due to low hardware performance and causes to deteriorate reality of digital contents. The delay effect on reality has been important to be determined for presenting digital contents with haptic system. Therefore, this study is to find the effect on user's cognition of digital contents evoking both visual and haptic sensation. Eight university students performed 4 repetitive tasks of pushing cube under the two conditions of visual and haptic delay. The delay time of each condition were set 0.5, 1.0, 2.0 and 4.0 second. As the result, both haptic and visual delay were negatively influenced user's recognition while visual delay showed more dominant effect on user's recognition than haptic delay.

• Journal of Advanced Navigation Technology
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• v.14 no.6
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• pp.975-983
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• 2010

In this paper, we introduce extended problems of Tower of Hanoi (ToH) and propose a novel visualization method to express a state space of ToH. As for the extended problems, we introduce multi-peg ToH, multi-stack ToH, and regular state ToH. The novel visualization method in this paper is a natural extension of Hanoi graph visualization. In the proposed method, we assign one Cartesian coordinate point per each disk to provide an unified visualization that the marks on a link and the changes of a state should correspond with a peg position of a disk. Compared with Hanoi graph, the generated graph by the proposed method is isomorphic if we remove links of forbidden move, which indicates that our method is a generalization of Hanoi graph and thus is more expressive. To help the understanding of the readers, we show the generated graphs by our method when the number of disks is 2 and 3.

• The Journal of the Korea Contents Association
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• v.8 no.6
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• pp.121-129
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• 2008

With the help of information technology The problem of building a concrete form with a shapeless media is the starting point of presenting information by means of sound. Audio-Visual System using sound as a medium is a method that presents an auditory material visually and has a role of linking different sensory organs. In a sense, Audio-Visual System transfers a non-concrete sensation to a concrete one. Audio-Visual System presentation by late methods using active and non-active images produced by computerized irregular procedures can be limited because of the limited ways of visual output. On the other side, visualization using active images can induce more diverse expressions using sound as a medium. This study suggests a new way of expression in animations using visualization of various auditory materials and sounds built by Audio-Visual System with active images.

• The Journal of the Korea Contents Association
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• v.21 no.2
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• pp.100-112
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• 2021

With the recent growth of the big data technology market, interest in visualization technology has steadily increased over the past few years. Data visualization is currently used in a wide range of disciplines such as information science, computer science, human-computer interaction, statistics, data mining, cartography, and journalism, each with a slightly different meaning. Big data visualization in smart cities that require multidisciplinary research enables an objective and scientific approach to developing user-centered smart city services and related policies. In particular, spatial-based data visualization enables efficient collaboration of various stakeholders through visualization data in the process of establishing city policy. In this paper, a user-centered spatial big data visualization expression request method was derived by examining the spatial-based big data visualization expression process and principle from the viewpoint of effective information delivery, not just a visualization tool.

• The Korean Journal of Applied Statistics
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• v.29 no.6
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• pp.1061-1075
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• 2016

In this paper, we discuss various methods to visualize high dimensional large-scale data and review some issues associated with visualizing this type of data. High-dimensional data can be presented in a 2-dimensional space with a few selected important variables. We can visualize more variables with various aesthetic attributes in graphics or use the projection pursuit method to find an interesting low-dimensional view. For large-scale data, we discuss jittering and alpha blending methods that solve any problem with overlapping points. We also review the R package tabplot, scagnostics, and other R packages for interactive web application with visualization.