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김기준 ( Kim Kijun ),김형근 ( Kim Hyungkeun ),정택수 ( Jung Taeksoo ),신종칠 ( Shin Jongchil ) 한국부동산분석학회 2017 부동산분석학회 학술발표논문집 Vol.2017 No.-
As the knowledge industry center attracts the attention as the new real estate for business and investment, the development paradigm is changing in a direction of emphasizing the differentiated marketability. In addition, the differentiation of the architecture plan and each unit plan is considered as an important factor affecting the pricing in the situation that demander needs of the knowledge industry center are diversified. Accordingly, the pricing factors of the knowledge industry center were researched focusing on the architectural planning and each unit characteristics in this study. The analysis was exteriorized in an individual unit by setting each unit price of the knowledge industry center in Seoul which had been parceled out from 2004 to 2016 as the dependent variable. The hedonic price model was used as the analysis model and the validity of the model was verified through the residual analysis. As a result of analysis, the price difference of the knowledge industry center was significant according to each district of Seoul City. The variables influencing the accessibility and cognition of the knowledge industry center with regard to the locational characteristic had a significant influence on the price. Also, the variables of architectural planning related to the convenience of occupants mostly had a significant effect on the price. Eccentric core had a negative effect on the price, and both shopping district connection development and the green connection development had a positive effect on the price. The contracted area and location floor had a significant effect on the price, which is the reference when planning the plane by floor. The distance from the elevator was a significant factor affecting the pricing and it is confirmed through this that the importance of the user`s cognition and accessibility is also applied to each unit location.
김기준 ( Kim Kijun ),김형근 ( Kim Hyungkeun ),정택수 ( Jung Taeksoo ),신종칠 ( Shin Jongchil ) 한국부동산분석학회 2017 不動産學硏究 Vol.23 No.3
In Korea, the knowledge industry centers attract the attention. In the knowledge industry center market, the development paradigm is changing toward emphasizing the product differentiation by making the best use of architectural planning and unit plan. The objective of this research is to explain influencing factors on the sales price of knowledge industry center focusing on the architectural planning and unit plan. We categorize influencing factors on sales price into regional, locational, architectural, unit, and time characteristics. For empirical research, we analyze the 6,726 sales prices of individual units in 28 knowledge industry centers sold from 2004 to 2016 by using hedonic price model. The main empirical results are as follows. Firstly, this study confirms the locational characteristics such as the distance to subway station, the distance to bus stop, and corner location, have significant effects on the sale price. These results display accessibility and visibility are also important to knowledge industry center. Secondly, this study finds the architectural characteristics such as the total leasable area of the center, core type, area for amenity facilities, mixed-use development with retail property or park, and the number of elevator per leasable area, have significant effects on the sale price. These results demonstrate architectural characteristics can be used as important differentiation factors for knowledge industry center development. Thirdly, this study shows the individual characteristics such leasable area of the individual unit, the floor that individual unit is located, the distance between the individual unit and elevator hall, and the number of balconies annexed to individual unit, have impacts on the sale price. These results represent unit plans of knowledge industry center, can affect sales prices. Fourthly, this study affirms the sales prices of knowledge industry centers are different according to regions and sales times.
김택수(Taeksoo Kim),유가온(Gaon You),최준호(Junho Choi) 한국HCI학회 2017 한국HCI학회 논문지 Vol.12 No.4
이 연구는 자동차-인간 상호작용 디자인의 관점에서 사용자경험을 핵심 가치로 하는 경험 마케팅 패러다임의 효과를 확인하고자 하였다. 주행 맥락과 비주행 맥락을 구분하여 스마트 크루즈 컨트롤과 스마트 트렁크를 사례로하여 전통적 마케팅과 경험 마케팅 메시지를 대비한 실험을 시행하였다. 분석 결과 두 기능 모두 경험 마케팅 메시지가 전통적 메시지 노출에 비해 전반적 만족도가 높았다. 유용성, 사용성, 감성에서도 부분적으로 경험 마케팅 메시지 효과가 높게 나타났다. 이 연구의 의의는 경험 마케팅 패러다임을 자동차 UX에 적용하여 검증한 데 있으며, 실무적으로는 스마트 자동차 시스템의 경험 디자인 가치를 예증하였다. From the vehicle-human interaction perspective, this study investigated the effect of experiential marketing paradigm which considers user experience as main value. We conducted an experiment to compare traditional marketing and experience marketing messages with the smart cruise control and the smart trunk in the context of driving and non-driving context. As a result of the analysis, experience marketing message had higher overall satisfaction than traditional message exposure. Usefulness, usability, and emotion were partially influenced by experience marketing message. The contribution of this study is that the experiential marketing paradigm was applied to automobile UX and practically demonstrated the value of experience design of smart automobile system.
김택수 ( Taeksoo Kim ),정순홍 ( Soonhong Jung ),설상훈 ( Sanghoon Sull ) 한국정보처리학회 2014 한국정보처리학회 학술대회논문집 Vol.21 No.1
감시 카메라 환경에서 자동으로 그룹 행동을 인식하는 기술이 최근 많은 관심을 받고 있다. 본 논문에서 제안하는 그룹 행동 인식 시스템은 다른 추가 정보 없이 비디오 프레임만을 인풋으로 받아들여,자동으로 보행자 탐지,추적,행동 인식까지 모두 포괄하는 시스템이다. 시공간 모션 패턴을 만들고 연결 요소들로 모델링 한 뒤 Hidden Markov Model (HMM)을 이용해 그룹 행동을 인식한다. 실험 결과,기본 논문과 비교하였을 때,비슷한 인식률을 보이면서 수행 시간을 약 25 배 정도로 획 기적으로 단축하였다.
AODV에 기반한 에너지 효율적인 경로 재설정 기법의 구현
김택수(TaekSoo Kim),차호정(Hojung Cha) 한국정보과학회 2004 한국정보과학회 학술발표논문집 Vol.31 No.2Ⅲ
무선 애드 혹 네트워크에서 이동 단말기 각각의 연결에 필요한 최소 전송 전력을 구하는 기법의 경우, 상대방 단말기에 설정된 전송 전력을 알기 위해 별도의 통신이 필요한데 애드 혹 네트워크에서 라우팅 프로토콜을 수정해서 사용할 경우 오버헤드 없이 구현이 가능하다. 또 그것을 응용하면 최소 전송 전력을 고려하는 경로를 선택함으로써 과도한 전력 소비를 줄일 수 있다. 본 논문에서는 애드 혹 네트워크에서 대표적인 라우팅 프로토콜인 AODV를 기반으로 전송 전력 제어와 결합된 AODV 프로토콜을 제안한다.
Fabrication of Nano-Sized Powders from Waste Solution by Spray Pyrolysis Process
Yu, Jaekeun,Kim, Gyeonghwan,Kim, Taeksoo,Kim, Jwayeon The Japan Institute of Metals 2005 Materials transactions Vol.46 No.7
<P>In order to efficiently recycle the Fe–Ni waste acid solution resulting from shadow mask processing, a spray pyrolysis process was used to fabricate the nano-sized Ni–ferrite powder with the average particle size below 100 nm. The properties of the nano-powder were investigated as function of reaction temperature, concentration and injection speed of raw material solution.As the reaction temperature increases from 800 to 1100°C, the average particle size of the powder increased accordingly, the microstructure of it gradually became solid which is close to the theoretical density, and the surface area of it decreased significantly. Along with the temperature rise, the formation rate of NiFe<SUB>2</SUB>O<SUB>4</SUB> phase also increased.As the concentrations of iron and nickel elements in waste solution increased, the average particle size became larger, the particle size distribution became more irregular, the surface area of the powder decreased. Along with the increase of the concentration, the formation rate of NiFe<SUB>2</SUB>O<SUB>4</SUB> phase increased significantly.As the air pressure increases up to 1 kg/cm<SUP>2</SUP>, the average particle size of the powder decreased slightly, yet the ratio of the Ni–ferrite phase kept almost unchanged. As the air pressure increases up to 3 kg/cm<SUP>2</SUP>, the average particle size and the ratio of the Ni–ferrite phase decreased significantly, yet the particle distribution size appears much more uniform.</P>