• 한국실내디자인학회논문집
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• 제20권6호
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• pp.282-290
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• 2011

The public festival has a positive function to produce more pleasure and better life to urban residents on viewpoint of culture marketing. A research of relation between urban festival's media light environmental and personality type of audiences would give a design guide line on selection of festival media contents. The scope of study festival bounds three urban fesitvals from two thousand eight to two thousand ten. The personaliy indicator is used by self-mootioring scale called NEO-PI-R that Synyder, psychologist established in 1987. This indicator divides into five classes - N: Neutroticism, E: Extaversoon, O: Openness, A: Agreeableness, C: Conscientiousness. As a result, Anaysis of urban festival's media light environments considering five personality type of audiences are described, N type prefers the change a lot and low stability. E type prefers three dimensional video and dynamic production with passionate pressure. O type prefers radiates objects to promote the imaginative creatures with speculation. A type prefers contemplation arts with one way direction. C type prefers orderly art layout with accomplishing intention. The statistics datas anaynize ten factors to describe the urban complicated fesitival guide line clearly.

• 한국방송∙미디어공학회:학술대회논문집
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• 한국방송∙미디어공학회 2016년도 하계학술대회
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• pp.200-203
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• 2016

최근 자율주행자동차에 대한 관심이 증가함에 따라 교통 상황을 인식하는 방법에 대한 연구도 활발하게 진행되고 있다. 특히 교통신호등의 인식은 치명적인 결과를 야기하는 교통사고와 밀접하게 연관된다는 점에서 중요성이 더욱 부각되고 있다. 본 논문에서는 컴퓨터 비전 시스템을 기반으로 한 교통신호등 인식 방법을 제안한다. 차선, 표지판 등과는 다르게 교통신호등은 빛을 발하는 특징이 있으며 그 모양과 형태 또한 규격화 되어 있다. 이러한 특징 중 색상과 형태 특징을 이용하여 두 단계의 추출과정을 거쳐 교통신호등을 인식한다. 먼저 HSV 색 공간에서 적색, 녹색, 주황색의 빛을 발하는 영역을 찾아낸 뒤, 신호의 원형 특징을 이용해 가로, 세로 사이즈와 크기로 신호의 후보를 추출한다. 다음, 신호등의 검은 박스 영역을 찾기 위해 추출한 신호 후보군의 주변부가 검정색인지를 확인한다. 최종적으로 신호등의 박스 부분을 검출하여 신호를 발하는 위치를 기반으로 신호를 인식한다. 실험결과 많은 계산량을 요구하는 기계학습을 사용하지 않고도 실시간 처리와 높은 인식률로 교통 신호를 인식할 수 있음을 확인하였다.

• 한국실내디자인학회논문집
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• 제19권4호
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• pp.22-30
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• 2010

Light has primary function to enlighten the darkness. However, as development and progresses in media has caused big change in our life, the range of usage and application of light is broadened. And these days, light is actively used as a communication tool in a space. This thesis is based on an idea that a new prospect of light is required and at the same time the theoretical foundation should be established to take active advantage of light. In Chapter two, analysis criteria are established to verify study hypothesis. The applied methodology is to analysis the contents based on literature review. Key words related light in space design are extracted and the frequency of those key words are quantitatively measured. Taking advantage of the result, the characteristics of light are divided into three categories, 'light as symbolic information', 'light as communication medium' and 'light as topological form'. In chapter three, analysis of cases is performed. The cases are selected based on space analyzing criteria established in Chapter two. Qualitative analysis is performed on the cases categorized into natural light and artificial light. Basic analysis elements are evaluated for each case. And each case is allocated to one of three categories, 'light as symbolic information', 'light as communication medium' and 'light as topological form'. Through this analysis, it is found that light in space has prevailing characteristics of 'light as symbolic information' and 'light as communication medium'.

• 한국실내디자인학회논문집
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• 제16권2호
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• pp.155-162
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• 2007

The purpose of this comparative study is to analyze the characteristics of art museums of Louis I. Kahn. Kahn's main architectural thoughts of 'what it wants to be' and 'how it was done' act as a basis for this research. 'What it wants to be' means the existence of architecture and relates to the concept of 'room'. 'How it was done' shows the tectonic aspects of architecture and construction process to enhance its presence. Detailed items from these two thoughts applied to clarify the order in dynamics, the visualization of construction process, and the relationship between structure and light in the space of Kahn's art museums. Yale university art gallery was the first major project of Kahn and he showed tectonic characters through tetrahedral concrete slab. The unity of structure, space and light can be found in the Kimbell art museum through the vaulted structural unit. Yale center for British art is the best example of the concept of 'room' and 'tectonic' because it clearly shows the unity of spatial and structural system, and their relation to light. As a result, this study tries to find out that Kahn had consistently developed his thoughts of'room' and 'tectonic', and tried to keep them in his art museum designs.

• KIEAE Journal
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• 제15권3호
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• pp.75-82
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• 2015

Purpose: This paper tried to understand the architectural concept of Neo Corbusian architects who had succeed to the Le Corbusier's principles of modern architecture and developed into their own creative architecture and formed a big achievement in the contemporary architecture. As representative Neo Corbusian architects, Henri Cirianni, Alvaro Siza and Laurant Beaudouin were selected to study their own design concepts and principles. Method: Three step study was conducted for the paper; Firstly, investigated significant differences about modern architecture between Le Corbusier and three neo corbusian architects; Secondly, analyzed the architectural meanings of 'Plan Libre' and 'Promenade Architecture' of three neo corbusian compared to Le Corbusier's ones; Finally, deducted their own design process to integrate the architectural concept of 'Plan Libre', 'Promenade Architecture' and 'Natural Light into architectural design. Results: According to the results of the research, Henri Cirianni, Alvaro Siza and Laurant Beaudouin made a splendid progress of Corbusier's modern concept, and then, created his own originative architecture by combining Plan Libre', 'Promenade Architecture' and 'Natural Light.

• 한국컴퓨터산업학회논문지
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• 제3권2호
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• pp.217-226
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• 2002

3차원 공간에 물체를 입체감 있게 표현하는 것은 중요한 일이다. 물체를 사실적으로 보이게 하기 위해서는 원근감, 입체감, 물체의 재질, 그림자, 빛의 세기 등 여러 요소가 고려되어야 한다. 그 중 그림자는 물체의 사실적 표현에 중요한 역할을 한다. 그림자를 그리기 위한 방법에는 반복적인 수많은 연산을 해야하고 이것은 많은 처리 시간을 필요로 한다. 즉 수많은 점들에 대한 그림자 영역 판단과 빛의 세기 판단 등을 해야하고 이것으로 인해 시간이 많이 걸리게 된다. 본 논문에서는 물체에 대한 사실적인 표현을 어느 정도 유지하는 범위내에서 그림자를 영역별로 분리해 빠르게 계산하여 표현해 주는 방법을 제시한다.

• 한국위성정보통신학회논문지
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• 제5권2호
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• pp.69-74
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• 2010

본 논문에서는 LED 조명 기반의 실내 측위 시스템을 제안하였다. LED가 빛을 방출하며 고속의 switching이 가능하다는 반도체 조명이라는 특징을 이용하여 각각의 LED 조명에 고유의 8 비트 ID를 부여 후, 이를 방출되는 조명 빛에 변조하여 보내주었다. 수신기는 16 개의 LED 조명으로부터 조합된 정보를 수신하게 되고, 수신된 정보와 각각의 ID 정보 간의 correlation coefficient를 이용하여 $4\;m\;{\times}\;4\;m\;{\times}\;2\;m$의 공간에서 100 cm 및 50 cm resolution을 가지는 위치인식 시스템을 시뮬레이션을 통해 구현하여 보았다. 제안된 측위 시스템은 간단한 알고리즘을 사용하였고, LED 조명 인프라를 사용하여 구축함으로써 설치비용 절감이 가능할 것이라 기대된다.

• 한국실내디자인학회논문집
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• 제15권6호
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• pp.247-254
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• 2006

Apparently light does exist even if it does not have certain form that an object might have. The history of architecture can be told as the history of light. As various master architects as well as scholars mentioned, light has been recognized as one of the most important aspects in perceiving space. Although there are complex multi dimensions in body sense and perception, experiencing space through light is preliminary formed by the outline to the degree of brightness. Light gives space specific and unique character by limiting or enlarging the space by wrapping an object or by reflection of material surfaces or by the intensity of light itself. It is fundamentally important to recognize the essential relationship between light and perception of space through various medias such as material, form, movement and so on. Three types of space perception and cognition by light that have been categorized after studying the most significant writings on light become the core method to further analyze the selected case projects. In this research, we will study how interior space is expressed through different light conditions with above mentioned characteristics and how such expressions can be applicable to the design of interior space.

• 한국실내디자인학회논문집
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• 제21권6호
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• pp.3-11
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• 2012

As most modern architectures had been constructed aiming at only both self-reliance and the purity without considering the place, the contemporary architectures have been also exposed to 'the loss of the place' similarly. From recognizing these problems, studying new spatial approach and various movements to create new modern place overcoming this have been progressed. It is meant that building shouldn't exist away from a land, without meanings. It is need to create new space aggressively against varying spaces. Thus, This thesis focus on architect Jean Nouvel among the architects having the insight of space and study his architectural design philosophy through his works creating new space. The aim of this study is to review how to define the 'placeness', and the light as a mediator of place. First of all, this thesis begins with a review what is the 'placeness' as spatial analysis and how to define 'light' as a mediator of place with his books, scholarly lectures, interviews, writing and papers and then analyse how light is represented through 'the place program of light' from his selected works. As a result of it, the thesis provides the possibilities of his constant challenges about 'existence-space-essence' by deriving the characteristics of 'the place program of light' focused on what his architectural approach constructs new space all the time through a regular program even if hard to define all his works as one model.

• 한국정보통신학회:학술대회논문집
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• 한국정보통신학회 2017년도 춘계학술대회
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• pp.738-740
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• 2017

가시광 통신은 빛을 사용한 통신방식이며, RF 통신에 비해 단일 공간 내 보안성을 보장하는 장점이 있다. 하지만 빛의 가시선을 벗어난 영역의 경우 통신단절 현상이 발생한다. 이에 본 논문에서는 가시광 통신의 커버리지 확장과 통신단절 현상을 극복하기 위해 릴레이 모듈을 제안한다. 제안하는 릴레이 모듈은 target ID를 포함한 데이터 패킷을 인접한 가시광 모듈을 통해 순차적으로 전달함으로써 데이터를 송수신한다. 데이터 전송 실험을 통해 전송범위의 확장과 가시선을 벗어난 영역에서의 데이터 수신을 확인하였다.