NDLI: Joint smoothing and source rate selection for guaranteed service networks

Content Provider	IEEE Xplore Digital Library
Author	Verscheure, O. Frossard, P. Le Boudec, J.-Y.
Copyright Year	2001
Description	Author affiliation: IBM Thomas J. Watson Res. Center, Yorktown Heights, NY, USA (Verscheure, O.)
Abstract	We consider the transmission of variable bit rate (VBR) video over a network offering a guaranteed service such as ATM VBR or the guaranteed service of the IETF. The guaranteed service requires that the flow accepted by the network has to be conforming with a traffic envelope /spl sigma/. In this context, the output of the video encoder is constrained by the traffic envelope defined at the network entry point, the playback delay budget and the decoding buffer size. In previous works, the constraints are satisfied either by smoothing a fixed coder output, or by modifying the encoding parameters. In this paper we take a combined approach. This shows us to find a joint source rate selection/smoothing solution which minimizes the total average distortion while satisfying constraints on the traffic envelope, playback delay and decoding buffer size. Our solution is based on a Viterbi-like algorithm. Our approach is. Made possible by the representation of the optimally smoothed output as the time inverse of a shaper output. Experimental results exhibit significant improvements in terms of total average distortion compared to the smoothing of a fixed coder output, under equivalent traffic parameters and decoding constraints.
Sponsorship	IEEE Comput. Soc. IEEE Commun. Soc
Starting Page	613
Ending Page	620
File Size	762758
Page Count	8
File Format	PDF
ISBN	0780370163
ISSN	0743166X
DOI	10.1109/INFCOM.2001.916249
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-04-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Smoothing methods Decoding Telecommunication traffic Delay Bit rate Streaming media Encoding Protocols Quantization Video coding
Content Type	Text
Resource Type	Article
Subject	Computer Science Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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