NDLI: Lightweight multimedia packet prioritization model for unequal error protection

Content Provider	IEEE Xplore Digital Library
Author	Pérez, P. García, N.
Copyright Year	1975
Abstract	In this paper, we analyze the effect of packet losses in multimedia sequences and propose a priority model for the packets, where the highest priorities are given to the packets whose loss has stronger effect in the perceived Quality of Experience (QoE). The proposed model assigns priorities to each of the media packets based on the audiovisual coding structure: type of frame, position of the packet within the frame and position of the frame within the GOP. This model can be used as a basis for Unequal Error Protection (UEP) strategies where, from a window of consecutive packets, only a fraction of them are protected and the others may potentially get lost. The experiments conducted show that this strategy strongly reduces the Mean Square Error (MSE) of the received sequence compared to the situation where the same ratio of packet losses is produced randomly. The strategy provides a good MSE gain even when the bit budget assigned to encode the priority of each packet is small. The prioritization model and the priority label signalization are fully compatible with current standards for multimedia distribution, and therefore they can be immediately applied to existing multimedia delivery services, such as IPTV platforms.
Sponsorship	IEEE Consumer Electronics Society
File Size	320217
File Format	PDF
ISSN	00983063
Volume Number	57
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Gain Error correction codes Streaming media Multimedia communication Transform coding IPTV Encoding Unequal Error Protection Multimedia delivery packet prioritization Quality of Experience
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Media Technology

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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
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