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  1. Proceedings of the international workshop on Workshop on mobile video (MV '07)
  2. Quality assessment metrics vs. PSNR under packet lossscenarios in manet wireless networks
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Mobile video applications and standards
Raptor network video coding
Optimized scalable video transmission based on conditional replenishment of jpeg2000 code-blocks with motion compensation
A robust preprocessing algorithm for low-resolution soccer videos
On practical crosslayer aspects in 3GPP video services
Bit-error resilient packetization for streaming h.264/avc video
Discardable data adaptation in scalable video coding
Mobile video surveillance with low-bandwidth low-latency video streaming
The OMA BCAST standard for bearer-independent mobile TV services
Quality assessment metrics vs. PSNR under packet lossscenarios in manet wireless networks
A smoothed, minimum distortion-variance rate control algorithm for multiplexed transcoded video sequences
Multiple description h.264 video coding with redundant pictures

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Quality assessment metrics vs. PSNR under packet lossscenarios in manet wireless networks

Content Provider ACM Digital Library
Author Oliver, José Piñol, Pablo López, Otoniel Malumbres, Manuel Perez Calafate, Carlos Tavares Martínez-Rach, Miguel O.
Abstract It is well known that PSNR does not always rank quality of an image or video sequence in the same way that a human being. There are many other factors considered by the human visual system and the brain. So, a lot of efforts were required to find an objective video quality metric that is able to measure the quality distortion similarly to the one perceived by the destination user. We analyze the behaviour of some of the most relevant objective quality metrics when they are applied to video compressed by a H264/AVC codec at different bit-rates and with error resilience options enabled. Video data is transmitted in a wireless MANET environment and packet losses are modelled for different scenarios including variable congestion and mobility states. We take as reference the PSNR metric and try to find out if there is a more accurate metric in terms of human quality perception that could substitute PSNR in the performance evaluation of different coding proposals under packet loss scenarios.
Starting Page 31
Ending Page 36
Page Count 6
File Format PDF
ISBN 9781595937797
DOI 10.1145/1290050.1290058
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2007-09-28
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Quality assessment metrics Video compression Wireless ad-hoc networks Markov models Error resilience
Content Type Text
Resource Type Article
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