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학술지 SVC Adaptation: Standard Tools and Supporting Methods
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저자
, 김재곤, 강정원, 유정주
발행일
200903
출처
Signal Processing : Image Communication, v.24 no.3, pp.214-228
ISSN
0923-5965
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.image.2008.12.006
협약과제
09MR3700, 유무선 환경의 개방형 IPTV(IPTV 2.0) 기술개발, 황승구
초록
Recently, scalable video coding (SVC) has emerged as a promising video format for applications of multimedia communication. An SVC bitstream can be easily truncated (adapted) in spatial, temporal, and SNR dimensions to meet various characteristics of terminals and connections. Though SVC allows simple and flexible truncation of a coded bitstream, there still need to be efficient means to support the adaptation in different scenarios. In this paper, we review standard tools and supporting methods for SVC adaptation. We point out the practical questions and accordingly describe potential solutions to these questions. The paper also discusses two key standard tools in detail, namely MPEG-21 AdaptationQoS and SVC priority_id. © 2009 Elsevier B.V. All rights reserved.
키워드
MPEG-21, Quality of service, Scalable video coding, Video adaptation
KSP 제안 키워드
MPEG-21, Multimedia Communication, Potential solutions, SVC adaptation, Scalable Video Coding, quality of service(QoS), video adaptation