• 한국콘텐츠학회:학술대회논문집
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• 한국콘텐츠학회 2005년도 추계 종합학술대회 논문집
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• pp.559-563
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• 2005

본 연구는 이미지와 영상의 내용을 인간의 시각과 촉각에 전달하는 방법에 관한 것으로서, 더욱 상세하게는 색상의 파장과 진폭을 소리와 진동으로 변환하기 위한 원리와 방법을 찾고 이것을 통해 얻어진 에너지를 다시 인간의 감각기관에 전달하는 방법을 제시하고자 한다.

• 한국콘텐츠학회:학술대회논문집
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• 한국콘텐츠학회 2016년도 춘계 종합학술대회 논문집
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• pp.465-466
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• 2016

본 논문은 상황인식 기반 위치추적 시스템을 위한 위치 트리거 서비스 구현을 위한 위치 트리거 파라미터와 메시지를 기반으로 위치 트리거 처리기를 설계한다.

• International Journal of Contents
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• 제1권2호
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• pp.13-17
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• 2005

Base Station Controller which belongs to IMT-2000(International Mobile Telecommunication - 2000) network has several types of structure for efficient control protocol. This difference of structure occurs two different protocols for call handling. Recently the need of IMT-2000 is highly increasing, so it is important to analyze the performance of processors and IPC(Inter-Processor Communication) module with structure of BSC and protocol difference. This paper presents the performance comparison of different types of BSC in view of processor utilization, waiting time, queue length and QoS(Quality of Service) through the simulation model.

• 한국가정과교육학회지
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• 제11권2호
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• pp.65-76
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• 1999

The purposes of this study are (1) to research the purchasing consumption and disposing skill of adolescents and related variables and (2) to provide some informations about the consumer education program and policy for adolescents. The survey of this study was conducted using questionnaires. The data used in this study included 649 adolescents in Phohang. The statistics used for data analysis were frequency distribution, mean, standard deviation, analysis of variance(ANOVA) with Scheffe'-test. T-test, Multiple Regression Analysis, using the SPSS Win program. The results of this research were as follows：1) Purchasing skill was different significantly according to sex, grade, mother’s educational level, the degree of keeping an account book, the degree of checking after using the pocket money, interest on the contents related with consumer’s daily life and communication about consumption with their friends and parents. Consumption skill was different significantly according to grade, amount of pocket money, the degree of keeping an account book, the degree of checking after using the pocket money, interest on the contents related with consumer’s daily life and communication about consumption with their parents. Disposing skill was different significantly according to grade, from of school amount of pocket money, the degree of keeping an account book, the degree of checking after using the pocket money, interest on the contents related with consumer’s daily life and communication about consumption with their parents. 2) The most influential variable of purchasing, consumption & disposing skill was ‘communication about consumption with their parents’ and ‘the interest on the contents related with consumer’s daily life’respectively.

• International Journal of Internet, Broadcasting and Communication
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• 제8권2호
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• pp.31-37
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• 2016

History documentaries in Korea have developed various forms of production techniques to overcome the limits of insufficient historical records and videos, and dramatic elements that make the viewers immersed. Through diverse production techniques, history documentaries can maximize the factuality, vividness, and informativeness, allowing the viewers to understand and share the historical events. This paper analyzed the "immersion and experience" techniques of the programs that have been the main turning points of the history documentary so far and produced and realized the virtual reality through utilizing "Uigwe", a 3D history documentary broadcasted on KBS which showed the possibility of applying the virtual reality technique as a new broadcasting contents format.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 2008년도 하계종합학술대회
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• pp.701-702
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• 2008

A large amount of efforts are required to search user's preferred contents for the program contents being provided by IPTV services. In this paper, using collaborative filtering, an automatic recommendation method of IPTV program contents is presented by reasoning similar group preferences on IPTV program contents which constitutes personalized IPTV environments. The proposed method models the user's preference of IPTV program contents with the program attributes such as content, genres, channels actor/actress, staffs and calculates it using the watching history of program contents in different genres and watching times. Also, the proposed method considers timely changing user's preference and the preference oon the content itself, which improves the traditional collaborative filtering methods that can not recommend the non-consumed items.

• International journal of advanced smart convergence
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• 제9권2호
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• pp.84-89
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• 2020

This study multilaterally explores South Korean YouTuber Winter Library's book-related contents uploaded on one's channel. As science and technology have developed, now the ordinary people can produce their videos and share them online. YouTube has been the most popular video storage service, and many Koreans use and enjoy it as well. This study investigates book-related contents produced by YouTuber user Winter Library, often called BookTuber (Book plus YouTuber). More specifically, it analyzes Winter Library's various contents by 1) Components of YouTube Channel 2) Contents of Components 3) Components that help to increase reading rates. This study is contributing as it focuses on book, which is not so common topic in YouTube. As a result, the study discovers unique aspects of YouTube contents, and also explores the book-related industry in South Korea. This YouTube channel could be functional for increasing reading rates, especially among adults.

• International Journal of Contents
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• 제10권4호
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• pp.69-74
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• 2014

General location aware systems are only applied to indoor and outdoor environments using more than three transmitters to estimate a fixed object location. Those kinds of systems have environmental restrictions that require an already established infrastructure. To solve this problem, an Object Location Estimation (OLE) algorithm based on PTP (Point To Point) communication has been proposed. However, the problem with this method is that deduction of performance parameters is not enough and location estimation is very difficult because of unknown restriction conditions. From experimental tests in this research, we determined that the performance parameters for restriction conditions are a maximum transmission distance of CSS communication and an optimum moving distance interval between personal locations. In this paper, a system applied OLE algorithm based on PTP communication is implemented using a CSS (Chirp Spread Spectrum) communication module. A maximum transmission distance for CSS communication and an optimum moving distance interval between personal locations are then deducted and studied to estimate a fixed object location for generalization.

• 한국콘텐츠학회:학술대회논문집
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• 한국콘텐츠학회 2014년도 추계 종합학술대회 논문집
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• pp.11-12
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• 2014

데드라인을 고려한 스케쥴러는 데드라인 내에 잡을 완료시키기 위해 노드의 실시간 I/O 부하, 데이터 지역성 등을 이용한다. 하지만 데드라인을 만족시키기 위한 기법이 오히려 노드부하를 야기하는 현상이 나타난다. 본 논문에서는 노드의 부하에 따라 맵리듀스 처리 성능이 저하되는 문제점을 해결하기 위해 새로운 스케줄링 기법을 제안한다. 제안하는 스케줄링 기법은 우선 순위에 의해 중지되는 작업의 발생을 감소시키기 위해 동일한 작업을 중복적으로 수행시키는 사행 작업(speculative task)를 처리한다. 맵리듀스 작업의 지연이나 취소를 방지시키기 위해 핫 데이터 청크를 성능이 우수한 노드에 복제한다.

• 한국콘텐츠학회:학술대회논문집
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• 한국콘텐츠학회 2016년도 춘계 종합학술대회 논문집
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• pp.469-470
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• 2016

본 논문에서 제안하는 실내 위치기반서비스는 현행 송수신 통신에서의 움직이는 사용자를 대상으로 한다. 비콘의 주요 송출 신호인 RSSI 값을 이용하여 거리에 따른 비콘의 RSSI 값을 측정한다. 원거리에서 RSSI 값이 불안정하기 때문에 불안정한 신호를 보정하기 위해 RSSI 측정결과 필터링을 사용하여 원거리에 대한 값을 보정하는 알고리즘에 대해 설계 및 구현한다. 이를 위해 초기 단일파을 중심으로 실내측위가 이루어졌으며, 위치보정 및 오차범위에 대한 보정작업 역시 논의되었다.