NDLI: Fast adaptive media scheduling based on expected run-time distortion

Content Provider	IEEE Xplore Digital Library
Author	Zhourong Miao Ortega, A.
Copyright Year	2002
Description	Author affiliation: Dept. of Electr. Eng. Syst., Univ. of Southern California, Los Angeles, CA, USA (Zhourong Miao; Ortega, A.)
Abstract	In delay-constrained multimedia communications over the Internet, scalable compressed media formats are useful in that they allow the rate and quality of video delivery to adapt to the changes in the available bandwidth. Previously, we introduced the expected run-time distortion based scheduling (ERDBS) algorithm (Miao and Ortega, Proc. 12th Int. Packet Video Workshop, 2002), which allowed the media source to select in what order packets should be transmitted, where packets contain different "layers" in the scalable representation of the transmitted signal. The basic idea of ERDBS was to calculate at any given time the "importance" of each candidate packet in the transmission buffer, and then proceed to send the most important packet. We now present techniques to reduce the complexity of the ERDBS approach, which could be significant when the set of candidate packets is large. Our proposed algorithm decomposes the packet importance calculation into several stages. We show how, through a proper decomposition of these calculations, the results obtained for some stages during past iterations can be re-used, with updates based on the new information received in the meantime. With this recursive definition of the packet importance calculation, we show that the complexity of ERDBS is reduced without sacrificing its performance.
Starting Page	1305
Ending Page	1309
File Size	400935
Page Count	5
File Format	PDF
ISBN	0780375769
ISSN	10586393
DOI	10.1109/ACSSC.2002.1196991
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-11-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Adaptive scheduling Runtime Streaming media Delay Scheduling algorithm Distortion Internet Bandwidth Decoding Signal processing
Content Type	Text
Resource Type	Article
Subject	Signal Processing Computer Networks and Communications

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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