The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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Study on the Quality of User Experience Considering the Video Contents Characteristics

영상 콘텐츠 특성을 고려한 영상 서비스의 사용자 체감 품질 변화에 대한 연구

  • Kim, Beom-Joon (Dept. of Electronic and Electrical Eng., Keimyng University)
  • 김범준 (계명대학교 전자전기공학부)
  • Received : 2018.01.19
  • Accepted : 2018.04.15
  • Published : 2018.04.30
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Abstract

Video services have been widely generalized thanks to the progress in compression streaming technologies. In spite of the innate difficulties in guaranteeing quality of service(QoS) of the Internet, the quality of service that is experienced by users have been improved considerably with overall bandwidth growth over the Internet and new compression and streaming technologies. For further sophisticated management scheme from the current homogeneous one, it should consider the characteristics of video contents. This paper investigates that the Quality of Experience(: QoE) for video services can vary according to the characteristics of video contents for the same compression method and transmission environments. It is expected that this result contributes to establish a new and advanced scheme to manage QoE for video services over the Internet.

압축 및 스트리밍 기술을 이용한 인터넷을 통한 영상 서비스가 보편화되었다. 패킷 전송 레벨에서 서비스 품질을 보장할 수 없다는 고유한 인터넷의 제약에도 불구하고 지속적인 전송 네트워크의 대역폭의 증가와 압축 및 스트리밍 기술의 발전으로 인터넷 상에서 제공되는 영상 서비스의 사용자 체감 품질은 상당히 발전하였다. 향후 보다 세밀한 영상 서비스의 사용자 체감 품질 관리 및 향상을 위해서는 획일적인 관리보다는 영상 콘텐츠의 특성에 대한 고려가 필요하다. 본 논문에서는 동일한 방법으로 인코딩된 영상이 동일한 환경에서 전송된다고 하더라도 영상 콘텐츠의 특성에 따라서 사용자 체감 품질이 달라질 수 있음을 실험을 통하여 살펴본다. 본 논문의 연구 결과는 향후 인터넷을 통한 영상 서비스의 사용자 체감 품질 정책 수립에 활용될 수 있을 것이다.

Keywords

References

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