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An Improvement of Interoperability for HD-Class VOD Content Management System Based on H.264

H.264 기반 HD급 VOD 콘텐츠관리시스템 상호운용성 개선

  • Min, Byung-Won (Division of Information and Communication Convergence Engineering, Mokwon University)
  • 민병원 (목원대학교 정보통신융합공학부)
  • Received : 2014.01.09
  • Accepted : 2014.02.20
  • Published : 2014.02.28

Abstract

Recently, although the requirement of quality of VOD content has been transferred upto the class of HD, conventional management systems characterized by OS dependency are truly limited in quality of video image, stability, and compatibility of network environments. In addition most of the content management systems realize very limited capabilities for the real affairs of content management and distribution services in such an OS dependent environment. In this paper, we propose a new scheme of HD-Class VOD Content Management System to solve these problems. We design and implement the proposed system based on open sources by using H.264 video compression method. The proposed system offers high quality content management method based on opened systems and independent on-line distribution method so that it can be realized as an integrated management scheme for VOD contents. Moreover, our system solves the problems of occasional cutting-down video, small screen, and poor image quality that exist in the conventional wmv-type CMS. According to the result of performance evaluation, our system maintains sufficient performance and tolerence for the case of large scale HD content operations or fabrications. We expect that the proposed integrated DB scheme will especially be effective when the content management applications are changed from Internet Web environments to mobile terminal environments.

VOD 콘텐츠에 대한 품질 요구조건이 HD급으로 전환된 오늘날, 기존 운영체제 종속 시스템은 영상의 품질, 안정성, 네트워크 환경 등에서 한계를 드러내고 있다. 또한, 콘텐츠관리시스템은 이러한 종속적 환경에서 실질적인 콘텐츠 관리 및 배포를 극히 한정된 기능만으로 구현하고 있는 상황이다. 본 논문에서는 이러한 문제점을 해결하기 위하여 오픈소스를 이용한 HD급 VOD 콘텐츠관리시스템을 H.264 기반으로 설계 구현한다. 제안된 시스템은 오픈시스템 기반 고화질 콘텐츠 관리 방식과 온라인 배포 기능을 제공함으로써 HD급 VOD 콘텐츠를 위한 통합 관리시스템을 실현한다. 제안된 시스템은 기존 wmv 기반 CMS에서의 동영상 끊김의 문제와 소형 스크린, 열악한 화질 등의 문제를 완전히 해결할 수 있도록 구현된다. 성능 분석 결과, 대규모 HD급 콘텐츠 운용 및 제작에 대하여 충분한 성능과 융통성을 유지할 수 있음을 입증하였고, 이러한 통합 DB 구축을 통한 콘텐츠 관리 환경은 향후 인터넷 기반 환경에서 모바일 단말기 환경으로 전환될 때 특히 유효할 것으로 예상된다.

Keywords

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