NDLI: A new H.264/AVC error resilience model based on Regions of Interest

Content Provider	IEEE Xplore Digital Library
Author	Boulos, F. Wei Chen Parrein, B. Le Callet, P.
Copyright Year	2009
Description	Author affiliation: Nantes Atlantique Universités, IRCCyN, Polytech'Nantes, Rue Christian Pauc, 44306, France (Boulos, F.; Wei Chen; Parrein, B.; Le Callet, P.)
Abstract	Video transmission over the Internet can sometimes be subject to packet loss which reduces the end-user's Quality of Experience (QoE). Solutions aiming at improving the robustness of a video bitstream can be used to subdue this problem. In this paper, we propose a new Region of Interest-based error resilience model to protect the most important part of the picture from distortions. We conduct eye tracking tests in order to collect the Region of Interest (RoI) data. Then, we apply in the encoder an intra-prediction restriction algorithm to the macroblocks belonging to the RoI. Results show that while no significant overhead is noted, the perceived quality of the video's RoI, measured by means of a perceptual video quality metric, increases in the presence of packet loss compared to the traditional encoding approach.
Starting Page	1
Ending Page	9
File Size	7206342
Page Count	9
File Format	PDF
ISBN	9781424446513
DOI	10.1109/PACKET.2009.5152159
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	packet loss Loss measurement Encoding Resilience region of interest Propagation losses Automatic voltage control Robustness error resilience Internet perceptual quality Distortion measurement Protection Eye tracking Testing
Content Type	Text
Resource Type	Article

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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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