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지능형 스마트홈 서비스를 위한 엣지 기반 마이크로 서비스 기술
이종설,금승우,장달원,이재원 한국통신학회 2020 정보와 통신 Vol.37 No.11
스마트홈은 가정에 설치된 다양한 IoT 장치와 스마트 가전, 가구 등을 활용하여 편의성을 높이고, 보안을 향상하고, 에너지를 관리하고, 정보를 제공하는 등 다양한 삶의 질을 향상하는 서비스를 제공하는 것을 목표로 한다. 최근에는 최신 컴퓨팅 기술과 장치 기술들이 결합하여 다양한 영역으로 확장되고 있다. 특히 인공지능 기술이 접목되어 다양한 지능형 기술이 개발되고 있으며, 다양한 장치를 연동하기 위한 연동 표준 및 플랫폼도 활용되고 있다. 최근 개발되고 있는 지능형 서비스는 서비스를 수행하기 위한 컴퓨팅 자원의 문제를 해결하기 위해 클라우드 및 엣지 컴퓨팅 환경에 기반을 둔 기술들이 개발 및 적용되고 있다. 이에, 본 논문에서는 최근 스마트홈의 기술 이슈 및 엣지 컴퓨팅을 활용한 스마트홈 서비스에 대해 살펴본다.
RUSLE 모형의 산지유역 적용을 위한 지표관리 인자 산정식 제안
이종설,원진영,Lee. Jong Seol,Won. Jin Young 한국방재학회 2012 한국방재학회논문집 Vol.12 No.2
현재 국내에서는 토양침식 예측을 위하여 주로 RUSLE 모형을 사용하고 있으나, RUSLE 매개변수들은 미국 농경지역의 관측자료를 이용하여 제안된 것으로서, 국내 산지유역에 적용하기 위해서는 검정이 필요하다. 특히 지표관리 인자는 공간적, 시간적 변동성이 매우 큰 인자로서, 국외에서는 식생피복을 나타내는 지표인 NDVI와 지표관리 인자간의 상관관계에 대한 연구가 활발히 이루어지고 있으나, 국내에서는 이에 대한 연구가 미진하다. 따라서 본 연구에서는 식생피복율, 토양침식량 등의 관측자료를 활용하여 NDVI와 지표관리 인자의 관계식을 제안하고자 하였으며, 이를 실제 유역에 적용하여 적용성을 검증하였다. 본 연구에서 식생피복율과 NDVI의 관계식은 SPOT-5 영상으로부터 추출된 NDVI와 현지 식생조사 결과를 이용하여 유도하였으며, 이를 Drake 제안식(1997)과 비교한 결과, 본 연구에서 제안한 식이 Drake 식(1997)보다 더 우수한 결과를 나타내었다. 또한 NDVI와 지표관리 인자의 적정 상관관계식으로 Knijff(1999)가 제안한 관계식을 채택하였으며, 실측 토양침식량을 활용하여 적정 관계상수값을 제시하였다. RUSLE has been widely used for prediction of soil erosion in Korea. As the factors of RUSLE were suggested using observed data in agricultural land of middle-western of United State, verification is essential to apply to domestic mountain area. Cover management factor(C) is one of the most variable factors in time and space. The studies on correlation between NDVI and C factor are in progress abroad. In this study, the relationship equation between percent vegetation cover and C factor was formulated for domestic application, and was calibrated using measured data from experimental watershed. In this research, the relationship equation between percent vegetation cover and NDVI is derived using NDVI extracted from SPOT-5 image and field vegetation data. The equation proposed in this research was more suitable than Drake equation(1997). Also, for suggestion of appropriate relationship between NDVI and C factor, Knijff equation(1999) was selected, and the coefficients of this equation were suggested through the correlation analysis with measured soil erosion data.
이종설,신사임,임태범,이석필,Lee, Jong-Seol,Shin, Sa-Im,Lim, Tae-Beom,Lee, Seok-Pil 대한임베디드공학회 2008 대한임베디드공학회논문지 Vol.3 No.4
The 'Anytime, Anywhere' services have been the biggest topic in the recent digital broadcasting research area. The related applications for the Anytime and Anywhere Services are as follows: the personalized broadcasting based on the PVR (Personal Video Recorder) for the Anytime Services, and the DMB (Digital Multimedia Broadcasting), the mobile devices supporting the wireless network and the Second TV and so on for the anywhere services. The personalized broadcasting has been researched on the one of the killer applications in the various broadcasting environment - the ground wave broadcasting, the satellite broadcasting, IPTV and CATV broadcasting suchlike. The applied contents of the personalized broadcasting have advanced from the main contents for the broadcasting to the interstitial contents like advertisements and coupons, the personalized interstitial broadcasting needs to develop the technology about the generation, storing and management of the interstitial metadata. but, the personalized broadcasting has the limitation that the TV environment is somewhat difficult to support the personalized broadcasting individually, because all family usually share the main TV at home. The Second TV is possible to solve the environmental limitation. This paper designs and develops the static set top box at home, the Second TV and their multimedia streaming techniques for the personalized broadcasting of the contents including the interstitial contents.
해외여행상품에 대한 지각된 가치가 브랜드인지도 및 브랜드 충성도에 미치는 영향에 관한 연구
이종설,윤세목 관광경영학회 2018 관광경영연구 Vol.84 No.-
This study examine the differences in the role of brand awareness for a series of variables that affect the structural relationship between perceived value to the brand awareness and brand loyalty for overseas trips. Structural equation modeling analysis was conducted to verify the research model. Comprehensive research model analysis in this study, the perceived value of overseas trips was confirmed through this study that having a defining impact on the relationship with the brand. in particular, as this is the primary thing that research can view inferred from the results of the model travel products and services even if some lack of perceived value, depending on the perceived value of a traveler if the traveler to travel abroad affect brand awareness. it appeared. travellers want to buy overseas trips are choosing to travel abroad only product advertising or promotional media tours. In fact, most cases are purchasing products through inbound tourism practitioners and consultation with aplasia due to a lack of information on such trips abroad. according to executives working for overseas travel industry, in recent years, customers have a lot of experience traveling abroad can see that the choice behavior through perceived value with overseas trips. and a trip abroad is a lot of customers are professionals who are not only accumulated a sufficient variety of attractions and travel experiences accumulated a lot of expertise through international travel. To target the majority of these international travelers are planning trips abroad, studying the development of property, and it is thought that it is worthy of study to fully understand the importance of them.