• 디자인학연구
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• 제15권2호
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• pp.27-36
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• 2002

Otto Kleppner의 시각화 모델을 통한 국내 부동산광고의 시각화 분석(신문광고 크리에이티브를 중심으로) 캡션(caption)없는 일러스트레이션에 대한 설명은 보는 이에 따라 그 해석이 구구하듯이 크리에이티브(creative)에서도 컨셉을 시각화하는 방법에 따라 주목효과도 다르게 나타나고 궁극적으로는 광고의 수용효과도 달라지리라 본다. 본 연구에서는 신문광고에서 큰 비중을 차지하고 있는 부동산 광고를 보다 효율적으로 제작하기 위한 방안의 하나로, Otto Kleppner의 시각화 모델을 통한 국내 부동산광고의 시각화분석을 통해 시각화 실태와 현황을 알아보고, 이를 토대로 문제점과 개선방향을 제시함으로써 합리적이고 효율적인 부동산광고의 크리에이티브를 수행하기 위한 기틀을 마련하고자 하였다.

• 한국가시화정보학회지
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• 제11권2호
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• pp.12-17
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• 2013

A flow visualization technique was developed to analyze flow distribution inside a dishwasher in this study. Then, a new design plan was proposed to improve the efficiency of the dishwasher by the analyzed results and it was confirmed experimentally by the developed technique. Gas flow fields inside a drying duct of a tub for a drying process was investigated by a developed PIV (Particle Image Velocimetry) and a CFD (Computational Fluid Dynamics) method. Also, the flow visualization technique was developed for the liquid flow field of a rotor-arm system to propose the improved design idea. Also, interactions between liquid and gas were observed around the rotor-arm system. The two-phase flow was modified to the liquid flow field because laser sheets are refracted when pass through the two-phase flow. Thus, the flow visualization techniques was developed in this study to measure the instantaneous flow velocities in the liquid quantitatively.

• 정보처리학회논문지:소프트웨어 및 데이터공학
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• 제5권6호
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• pp.261-266
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• 2016

기존의 다양한 데이터 시각화 툴에서 제공하는 차트 추천 방식은 사용자의 의도를 고려하지 않은 상태로 차트를 추천한다. 일부 시각화 툴에서는 세분화된 정량적 데이터 분류 체계를 따르지 않기 때문에 명확한 데이터 시각화가 이루어지지 않고 있다. 본 논문에서는 입력된 정량적 데이터를 정확하게 분류하고, 사용자 의도를 반영하여 효율적으로 차트를 추천하는 가이드라인을 제안한다. 가이드라인은 데이터를 분석하는 분석 가이드라인과, 입력된 데이터 타입과 사용자의 의도를 반영하여 차트를 추천하는 추천 가이드라인으로 구성되어 있다. 이러한 가이드라인을 통해 차트 선택 과정에서 사용자의 의도에 부합하지 않는 차트를 배제하였고, 사용자가 차트를 선택하는데 소요되는 시간이 감소하였음을 확인하였다.

• 한국가시화정보학회:학술대회논문집
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• 한국가시화정보학회 2005년도 추계학술대회 논문집
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• pp.50-53
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• 2005

The turbulent flow around a sphere was investigated in a streamwise meridian plane using two experimental techniques: smoke-wire flow visualization in wind tunnel at Re=5,300 and PIV measurements in a circulating water channel at Re=7,400. The smoke-wire visualization shows flow separation points near an azimuthal angle of $90^{\circ}$, recirculating flow, transition from laminar to turbulent shear layer, evolving vortex roll-up and fully turbulent eddies in the sphere wake. In addition, the mean flow pattern extracted by particle tracing method in water tunnel at Re= 14,500 reveals two distinct comparable toroidal(not closed) vortices in the recirculation region. The mean velocity field measured using a PIV technique demonstrates the detailed wake configuration of close symmetric recirculation and near-wake configuration with two toroidal vortices, reversed velocity zone and vorticity contours.

• 한국멀티미디어학회논문지
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• 제19권3호
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• pp.659-672
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• 2016

In animated films, characters materialize narratives through acting. The narrative is an element to materialize accurate delivery of lines and emotions. The non-verbal actions should express lots of emotions and lines in scenes, and also they can be used as a way of empathy. This study analyzed the visualization factors of narrative focusing on a cat character frequently shown in animated films. For this, the visualization factors of non-verbal actions expressed in characters' personal space and dynamic space were extracted. Based on this, it aims to suggest the emotion expressing method of characters to realize effective narrative visualization. In the future, it aims to be used as reference data in case when producing non-verbal communication for 3D characters.

• 한국가시화정보학회지
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• 제11권1호
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• pp.34-40
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• 2013

Gas/liquid two-phase ejector is a device without moving parts, in which liquid is used to drive gas of a low-pressure source. In this paper, the hydrodynamic characteristics of a vertical down type two-phase ejector were studied using an air-water loop system. Entrained air flow rates were measured with inlet and outlet pressures of the ejector with varying water flow rate. Homogeneous bubbly flows in the discharge pipe were confirmed by the high speed flow visualization method. Quantitative measurements of void fraction were made using a newly developed fiber optic probe system.

• 한국가시화정보학회지
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• 제9권3호
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• pp.44-50
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• 2011

In this study, we propose a method for characterizing fluid-mechanical properties of a fluid surface, such as surface dilatational and shear viscosity, by matching the flow visualization and the numerical simulation for a Stokes flow in a three-dimensional cavity. The surface flow is driven by shear stress exerted on the free surface by an external gas flow. The external gas flow is simulated by using a commercial code, while the Stokes flow is calculated by an in-house code. We have found that the surface flow is very sensitive to the surface tension and other properties. The qualitative feature of the surface flow can be reproduced by the parameter tuning.

• 한국컴퓨터정보학회논문지
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• 제20권8호
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• pp.53-59
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• 2015

Noise from the surrounding environment, building structures and machine equipment have significant effects on daily life. Many solutions to this problem have been suggested by analyzing causes of noise generated from particular locations in general buildings or machine equipment and detecting defects of buildings or equipment. Therefore, this paper suggests a visualization technique of sounds by using the microphone array to measure sound sources from machines and perform the visual machine condition monitoring (VMCM). By analyzing sound signals and presenting effective sound visualization methods, it can be applied to identify machine's conditions and correct errors through real-time monitoring and visualization of noise generated from the plant machine equipment.

• Archives of Plastic Surgery
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• 제43권1호
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• pp.88-92
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• 2016

There are two general categories of lateral osteotomy techniques-the external perforating method and the internal continuous method. Regardless of which technique is used, procedural effectiveness is hampered by limited visualization in the surgical field. Considering this point, we devised a new technique that involves using a wide subperiosteal dissection and internal perforation under direct visualization. Using an intranasal approach, whereby the visibility of the intended fracture line was maintained, enabled a greater degree of control, and in turn, results that were more precise, and thus predictable and reproducible. Traditionally, it has been taken as dogma that the periosteum must be preserved, considering the potential for dead space and bony instability; however, under sufficient visualization of the surgical field with an internal perforating method, complete osteotomy with fully preserved intranasal mucosa could be conducted exactly as intended. This intact mucosal lining compensates for the elevated periosteum. Compressive dressing and drainage through a Silastic angio-needle catheter enabled the elimination of dead space. Therefore, precise, reproducible, and predictable osteotomy minimizing the potential for associated complications such as ecchymosis, that is, bruising owing to hemorrhage, could be performed. In this article, we introduce a novel technique for lateral osteotomy with improved visualization.

• 정보교육학회논문지
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• 제21권5호
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• pp.557-565
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• 2017

4차 산업혁명시대를 맞이하여 학생들에 대한 프로그래밍 교육이 더욱 중요시되고 있다. 그러나, 학생들이 프로그래밍 능력을 습득하는 데에는 많은 시간과 연습이 필요하다. 특히, 산업현장에서 널리 사용되고 있는 JAVA, C++와 같은 객체지향언어를 학습하는데 있어서 학생들은 더욱 많은 어려움을 느낀다. 본 논문에서는 객체지향프로그래밍 개념을 교육하고, 기능을 이해하며, 소스코드 분석 및 이해향상에 도움을 줄 수 있는 객체 상호작용 시각화 방법을 제안한다. 제안된 시각화 방법은 기존 소스코드를 자동적으로 변경하여 프로그램 실행과 동시에 객체들이 동작하는 모습을 시각적으로 보인다.