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- aggregation classification "A1".
- aggregation creator person.
- aggregation creator person.
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- aggregation date "2012".
- aggregation format "application/pdf".
- aggregation hasFormat 4121356.bibtex.
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- aggregation hasFormat 4121356.doc.
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- aggregation isPartOf urn:issn:1380-7501.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Technology and Engineering".
- aggregation title "On the performance of scalable video coding for VBR TV channels transport in multiple resolutions and qualities".
- aggregation abstract "Video broadcast operators target a variety of receiving devices of different resolutions and processing capabilities. In such a heterogeneous TV network, the transport resource consumption is likely to increase. In this paper we estimate the required transport capacity for a broadcast TV network taking into account parameters as currently proposed in standardization bodies. We target constant video quality, hence the TV channel has variable bit rate (VBR). We consider a multicast-based transport system where only the required versions of a TV channel are transported; this leads to fluctuation of the consumed transport capacity over time. The main focus in this paper is on the comparison of a simulcast and a scalable video coding (SVC) transport scheme in several realistic examples with different encoding modes, including spatial and/or quality scalability. To estimate the required transport capacity for simulcast and SVC, we use a comprehensive toolkit based on a Gaussian approximation of the capacity demand. In order to obtain realistic input values for our calculation tools, we characterize the fluctuations of the bit rate associated with a TV channel by encoding a representative set of video clips. Based on the considered realistic examples, we explore under what conditions either the simulcast or the SVC transport scheme is more efficient.".
- aggregation authorList BK1040248.
- aggregation endPage "631".
- aggregation issue "3".
- aggregation startPage "605".
- aggregation volume "57".
- aggregation aggregates 4121402.
- aggregation isDescribedBy 4121356.
- aggregation similarTo s11042-010-0661-5.
- aggregation similarTo LU-4121356.