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dc.contributor.authorJin, Jesse S.en
dc.contributor.authorXu, Minen
dc.contributor.authorHe, Xiangjianen
dc.contributor.authorPeng, Yuen
dc.contributor.authorLuo, Suhuaien
dc.contributor.authorChia, Clement Liang-Tienen
dc.contributor.authorHu, Yusuoen
dc.identifier.citationXu, M., He, X., Peng, Y., Jin, J. S., Luo, S., Chia, C. L.-T., et al. (2012). Content on demand video adaptation based on MPEG-21 digital item adaptation. EURASIP journal on wireless communications and networking, 2012(1), 104-.en
dc.description.abstractOne of the major objectives in multimedia research is to provide pervasive access and personalized use of multimedia information. Pervasive access of video data implies the access of cognitive and affective aspects of video content. Personalized use requires the services satisfy individual user's needs on video content. This article attempts to provide a content-on-demand (CoD) video adaptation solution by considering users' preference on cognitive content and affective content for video media in general, sports video and movies in particular. In this article, CoD video adaptation system is developed to support users' decision in selecting their content of interest and adaptively deliver video source by selecting relevant content and dropping frames while considering network conditions. First, video contents are annotated by the description schemes (DSs) provided by MPEG-7 multimedia description schemes (MDSs). Then, to achieve a generic adaptation solution, the adaptation is developed following MPEG-21 Digital Item Adaptation (DIA) framework. We study the MPEG-21 reference software on XML generation and develop our own system for CoD video adaptation in three steps: (1) the content information is parsed from MPEG-7 annotation XML file together with bitstream to generate generic Bitstream Syntax Description (gBSD); (2) Users' preference, network characteristic and adaptation QoS (AQoS) are considered for making adaptation decision; (3) adaptation engine automatically parses adaptation decisions and gBSD to achieve adaptation. Unlike most existing adaptation work, the system adapts the content of interest in the video stream according to users' preference. We implement the above-mentioned MPEG-7 and MPEG-21 standards and provide a generic video adaptation solution. Adaptation based on gBSD avoids complex video computation. Thirty students from various departments were invited to assess the system and their responses have been positive.en
dc.relation.ispartofseriesEURASIP journal on wireless communications and networkingen
dc.rights© 2012 The Authors. This paper was published in EURASIP Journal on Wireless Communications and Networking and is made available as an electronic reprint (preprint) with permission of the authors. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectDRNTU::Engineering::Computer science and engineering::Computer systems organization::Computer-communication networksen
dc.titleContent on demand video adaptation based on MPEG-21 digital item adaptationen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Computer Engineeringen
dc.description.versionPublished versionen
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