Layered Access Control for Mpeg-4 Fine Granularity Scalable Video. Furht, B., editor In Encyclopedia of Multimedia, pages 412–412. Springer US, 2008. 00000
Layered Access Control for Mpeg-4 Fine Granularity Scalable Video [link]Paper  abstract   bibtex   
DefinitionAn encryption scheme enabling fine granularity scalable access control of multimedia with a single encrypted code stream.When it comes to the transmission of video, it is often desired that the data is encoded in a scalable manner, i.e., various quality representations can be extracted from a single code stream. Traditional encryption method may destroy the scalability of the original code stream. Layered Access Control (LAC) for MPEG-4 Fine Granularity Scalable (FGS) video preserves scalabilities in a cipherstream, controls the access to each quality layer with different keys, and supports multiple access types (PSNR and bitrate) simultaneously [1]. This provides support for business models in which a consumer pays according to the quality of service he or she requests. PSNR layers are usually used for quality-based access such as local play, while bitrate layers are used for streaming and other applications where bandwidth constraints are of a major concern. ...
@incollection{furht_layered_2008,
	title = {Layered {Access} {Control} for {Mpeg}-4 {Fine} {Granularity} {Scalable} {Video}},
	copyright = {©2008 Springer-Verlag},
	isbn = {978-0-387-74724-8 978-0-387-78414-4},
	url = {http://link.springer.com/referenceworkentry/10.1007/978-0-387-78414-4_34},
	abstract = {DefinitionAn encryption scheme enabling fine granularity scalable access control of multimedia with a single encrypted code stream.When it comes to the transmission of video, it is often desired that the data is encoded in a scalable manner, i.e., various quality representations can be extracted from a single code stream. Traditional encryption method may destroy the scalability of the original code stream. Layered Access Control (LAC) for MPEG-4 Fine Granularity Scalable (FGS) video preserves scalabilities in a cipherstream, controls the access to each quality layer with different keys, and supports multiple access types (PSNR and bitrate) simultaneously [1]. This provides support for business models in which a consumer pays according to the quality of service he or she requests. PSNR layers are usually used for quality-based access such as local play, while bitrate layers are used for streaming and other applications where bandwidth constraints are of a major concern. ...},
	language = {en},
	urldate = {2016-05-03},
	booktitle = {Encyclopedia of {Multimedia}},
	publisher = {Springer US},
	editor = {Furht, Borko},
	year = {2008},
	note = {00000},
	pages = {412--412}
}
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