QoE

Visual quality of current coding technologies at high definition IPTV bitrates
High definition video over IP based networks (IPTV) has become a mainstay in today’s consumer environment. In most applications, …
Christian Keimel, Julian Habigt, Tim Habigt, Martin Rothbucher, Klaus Diepold
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Visual quality of current coding technologies at high definition IPTV bitrates
On the use of reference monitors in subjective testing for HDTV
Most international standards recommend the use of reference monitors in subjective testing for visual quality. But do we really need to …
Christian Keimel, Klaus Diepold
PDF DOI
On the use of reference monitors in subjective testing for HDTV
Improving the prediction accuracy of video quality metrics
To improve the prediction accuracy of visual quality metrics for video we propose two simple steps: temporal pooling in order to gain a …
Christian Keimel, Tobias Oelbaum, Klaus Diepold
PDF DOI
Improving the prediction accuracy of video quality metrics
Improving the prediction accuracy of PSNR by simple temporal pooling
PSNR is still one of the most often and universally used visual quality metrics. Although it is not very well suited to describe the …
Christian Keimel, Tobias Oelbaum, Klaus Diepold
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Improving the prediction accuracy of PSNR by simple temporal pooling
Improving the verification process of video quality metrics
The most important step in the development process of a video quality metric is its verification with regards to the subjective quality …
Christian Keimel, Tobias Oelbaum, Klaus Diepold
PDF DOI
Improving the verification process of video quality metrics