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아파트거실공간에서의 거주자 행태를 고려한 조명색 변경에 관한 연구
정지석,서지은,Jeong, Ji-Seok,Seo, Ji-Eun 한국주거학회 2009 한국주거학회 논문집 Vol.20 No.3
Today, apartment is the most common residence type and various behavior occurs in living room space of apartments. Active usage of living room in modem life increases user's desire of wanting a better environment and leads to find various methods such as remodeling. At the point when considering moving or remodeling, this study focuses on the change of lighting color as it is one of the methods for initial stage with moderate price. As living room is easily influenced by lighting, providing active environment to support inhabitant's behavior through the use of various lighting sources will cut down unnecessary remodeling costs and may be the most simple method to actualize lighting environment for inhabitant's behavior. To give change with the least effort, change in artificial lighting environment was attempted with combinations of lighting color and switching on lights according to illuminating location. This study suggested the capability of changing lighting environment of previous living room area by exchanging lighting sources in lighting equipment in order to satisfy the required behaviors of inhabitant.
대학강의실 전면현휘 감소를 위한 주간채광유입 시뮬레이션에 관한 연구
정지석,Jeong, Ji-Seok 한국주거학회 2013 한국주거학회 논문집 Vol.24 No.3
The University students learn their major or a general education in lecture rooms. In these days, lecturer use frequently various multimedia in lecture room. Appropriate control lighting environment in lecture room should be essential and related in efficient studying. Daylighting on front-side of lecture room will cause glare and students are hard to read contents on white-board at their seat. Therefore, in order to preventing glare we simulated daylighting of lecture room with using computer software in this study. Results from simulation and analysis as follows: The first, if students' left-side is east-oriented in lecture room, best daylighting condition about glare in lecture room. The second, architectural designers can use simulation data of daylighting or simulate data in designing university buildings with lecture rooms. Finally, if reducing size of windows (narrow and deep daylight: more closing vertically, from up to down daylighting: more closing horizontally) we will be able to reduce energy from lecture room.
국내 건축 관련학과와 실내건축 관련학과의 컴퓨터이용과목 개설 현황에 관한 비교조사연구
정지석(Jeong, Ji-Seok) 한국실내디자인학회 2012 한국실내디자인학회 학술대회논문집 Vol.14 No.1
This study is investigation into the number of major subjects and computer-using subjects in department of architecture-related in 2008 & 2010 year. We arranged and analyzed collected data by searching homepages of subjects to survey and was able to reach conclusions as follows : Firstly, the number of classes for 2D-drafting has been decreased regardless of major(architecture-related and interior architecture-related) and college or university. Secondary, computer-using subjects tended to design with using computer software. Thirdly, college students in department of architecture-related learn more computer-using subjects than interior architecture-related. Fourthly, university students in department of interior architecture-related learn less computer-using subjects than architecture-related. Computer-using subjects tend to decrease in regardless of school and major. however the proportion of computer-using subjects for architectural or interior architectural design has increased.
국내 실내건축 관련학과의 설계관련 컴퓨터이용과목 개설현황에 관한 조사연구
정지석(Jeong, Ji-Seok) 한국실내디자인학회 2011 한국실내디자인학회논문집 Vol.20 No.4
This study is investigation into the number of major subjects and computer-using subjects in department of interior architecture-related in 2008 & 2010 year. We arranged and analyzed collected data by searching homepages of subjects to survey and was able to reach conclusions as follows : Firstly, the number of department of interior architecture-related has decreased in colleges and universities at the same time in 2010 than 2008. Secondary, computer-using subjects tended to open lower grades than higher grades, so students used to control computer softwares easily. Thirdly, the purposes of computer-related subjects divide to four parts, 2dimensional-drafting, 2dimensional presentation, 3dimensional design, 3dimensional presentation(modeling and rendering included). Fourthly, from average 4.7 to 4.3 subjects have opened each the two year(2008, 2010) in college and from average 4.7 to 2.5 subjects in universities. and each 4(or5) subjects in college and 2(or 3) subjects in universities are opened mostly. Fifthly, Computer-related subjects tend to decrease the number of opening those subjects in universities, however it is necessary to be opened four computer-related subjects at least in order to design by using computer softwares.
초점정보를 이용한 패턴간의 상대적 깊이 추정알고리즘 개발
정지석(Ji-Seok Jeong),이대종(Dae-Jong Lee),신용녀(Yong-Nyuo Shin),전명근(Myung-Geun Chun) 한국지능시스템학회 2013 한국지능시스템학회논문지 Vol.23 No.6
깊이 추정은 로봇 비전, 3차원 영상, 모션 제어를 위해 사용되는 매우 중요한 인자이다. 깊이 추정은 렌즈와 물체 사이의 거리를 변화시켜가면서 취득된 일련의 영상에서 계산된 초점 정보에 기반을 둔다. 본 논문에서는 다양한 초점정보를 이용한 패턴간의 상대적 깊이 추정 알고리즘을 제안한다. 제안된 방법은 거리별로 취득된 영상의 초점값 정보를 이용하여 구현하였으며, 깊이는 두 패턴의 상대적 거리를 고려함으로써 추정하였다. 다양한 영상정보를 이용하여 깊이 추정을 수행한 결과 효과적인 추정이 가능함을 알 수 있었다. Depth estimation is an essential factor for robot vision, 3D scene modeling, and motion control. The depth estimation method is based on focusing values calculated in a series of images by a single camera at different distance between lens and object. In this paper, we proposed a relative depth estimation method using focus measure. The proposed method is implemented by focus value calculated for each image obtained at different lens position and then depth is finally estimated by considering relative distance of two patterns. We performed various experiments on the effective focus measures for depth estimation by using various patterns and their usefulness.