• The Journal of the Korea Contents Association
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• v.7 no.2
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• pp.142-149
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• 2007

In existing educational systems, it is impossible to synchronize multimedia contents and it is required additional client applications. SMIL(Synchronized Multimedia Integration Language) is based on XML which allows to arrange multimedia objects temporally and spatially, and it can represent multimedia effectively on Web browsers. It is possible to serve the high-quality multimedia on Web browsers by applying SMIL to the previous Web-based educational contents without any client applications. In this paper, we propose the method of developing multimedia educational contents applied by SMIL, and design an authoring tool with a function of transforming SMIL documents to XHTML documents. The tool allows common users to use easily without any plug-ins or applications.

• Journal of Digital Contents Society
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• v.13 no.2
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• pp.141-150
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• 2012

As various smartphones users are increasing rapidly, the more contents they keep in their devices, however, the larger necessity for the effective and easy management of their files they want. To satisfy this need, we propose an integrated multimedia files management system, H5Station. By using H5Station client, users can connect to the H5Station server running on their own PC, and manage their multimedia files effectively, and enjoy every file they have. The H5Station client is developed by using HTML5 standard technology. Therefore H5Station client can run on any HTML5-supported browser. Main functions of the H5Station are as follows: configuring user settings, charting the distribution of user files, upload/download/deletion of files, synchronizing files' metadata between client and server, playing user-selected files, searching files users want, and finally creating user-customized buttons. Through these functions, users can easily find, play, and manage their multimedia contents at any place and anytime.

• The Journal of the Korea Contents Association
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• v.17 no.11
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• pp.312-318
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• 2017

In recent years, a high-quality video input device has been generalized, and a central control system capable of simultaneously viewing video input in real time has become an essential element. At this time, there are attempts to access through the web without installing the program separately. However, if multiple high-quality videos are simultaneously viewed through the web browser, the web browser is terminated by force. In this paper, we propose a web-based HLS(HTTP Live Streaming) multi-view system for real-time high-definition video. We have reconstructed the multi-view screen as a screen by transcoding and implemented a system that can monitor multiple video inputs through a web browser on the fly without using security vulnerability ActiveX.

• Digital Contents
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• no.5 s.156
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• pp.64-76
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• 2006

온라인 포털은 1990년 중반 웹브라우저의 급속한 확산을 바탕으로 성장한 기업들이 인터넷 시장에 진입하기 위해 포털 사업부를 설립하거나, 인수합병에 나서면서 1990년대 말부터 시장에서 크게 주목받기 시작했다. 특히, 인터넷 유저들이 포털 사이트를 인터넷의 시작페이지로 활용하면서 온라인 포털은 인터넷 시장의 핵심영역으로 자리 잡았다. 한국소프트웨어진흥원이 발간한 (2005년 해외 디지털 콘텐츠 시장조사)자료를 토대로 해외 온라인포털 시장 동향에 대해서 살펴본다.

• Digital Contents
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• no.1 s.116
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• pp.74-75
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• 2003

국내 무선 시장은 이통사들이 지배한다. 과도한 표현일 수도 있지만 사실 그말에 크게 반대하는 사람들도 사실은 없으리라 본다. 이통사들이 차세대 통신 시장의 중심으로 PDA에 초점을 둔 행보가 심상치 않다. 최근 이러한 행보의 시발주자는 바로 SK텔레콤이다. SK텔레콤은 자체 통신망에 PDA용 NATE사이트 및 콘텐츠 구축과 전용 브라우저를 개발하는 등 PDA활성화에 주력하고 있다. PDA폰=포스트폰이라는 컨셉을 강조함으로써 일반인들의 관심을 사로 잡겠다는 계산이다. 현재 PDA폰을 자사의 포탈인 네이트에서 서비스하고 있으며, 게임 및 교육관련 콘텐츠가 일반 사용자 대상 PDA사업에서 가장 효율적인 수요처라 판단, 콘텐츠로 파악하고 확대에 힘을 기울이고 있다.

• Proceedings of the Korea Contents Association Conference
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• 2014.11a
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• pp.453-454
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• 2014

교육용 게임은 학습 흥미를 증진시킬 수 있는 중요한 도구 중 하나이다. 웹 기반의 정보화 기술의 발전에 따라 웹 기반의 학습 콘텐츠의 수요도 계속 증가하고 있다. 본 논문에서는 초등학교 저학년생을 대상으로 기초적인 사칙 연산 학습을 위한 게임 콘텐츠를 개발하였다. 특히, 웹 소켓 기술을 사용하여 개발된 본 게임은 다수의 사용자가 동시에 게임에 참여할 수 있으며, 각 사용자는 별도의 학습 프로그램 설치를 하지 않고도 웹에 연결된 환경이라면 브라우저를 통해 본 학습 게임에 접속하여 활용이 가능하다.

• The Journal of the Korea Contents Association
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• v.6 no.6
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• pp.74-87
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• 2006

In this paper, we define the functions of e-textbook(electronic textbook) for complementing weak points of traditional textbooks. Also, we propose a markup language format for representing e-textbook with XML which is a standard of interoperability on the internet. And we design and implement an e-textbook which shows the various functions of the e-textbook. Finally, we show some examples which make use of the developed e-textbook using the browser.

• Digital Contents
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• no.10 s.65
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• pp.78-83
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• 1998

브라우저 전쟁으로 대표되던 인터넷 시장이 최근에는 포틀사이트 시장으로 그 각축전이 치열하다. 빅 사이트들의 움직임과 마케팅의 귀재 섹스 사이트들의 비결 그리고 성공 사이트들의 마케팅 노하우 벤치마킹을 통해 성공 인터넷 비즈니스의 지름길을 살펴봤다.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.16 no.7
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• pp.1470-1476
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• 2012

Performance of a video browser greatly depends on the performance of scene change detection for the efficient retrieval and storage of the video contents which are major data in a current contents management system. In this paper we propose a new scene change detection method using Mean Difference Histogram of each frame section which improves accuracy of scene change detection as well as reduces the frequency of miss detection and fault detection of gradual scene change which is one of critical problem of the conventional histogram-based techniques.

• Journal of Digital Contents Society
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• v.11 no.1
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• pp.9-16
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• 2010

Recently, needs and interests that people want to create their digital contents in ubiquitous environment are growing fast. Among the digital contents, people are also interested in the music contents. However, it is hard to find a system which manages and shares music contents easily. The paper proposes a system that provides a composition function for music, a mixing function for music, and a function for ear training. The contributions of the paper are as follows. First, the paper provides a music management system which enables music compositions, listening function of music, searching functionalities. Second, the paper introduces a function of mixing drum sound for managing rhythms. Third, the paper provides game contents which improve senses of music. The proposed system is expected that enables users composite music in ubiquitous environment, provides rich functions for compositions, and improves senses of music.