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As the Quality of Experience of video streaming can be greatly affected by parameters such as jitter, throughput, packet loss and delay, it is of great importance to assess the consequences low Quality of Service. Video artifacts are errors that can be displayed when multimedia streaming faces transmission difficulties. Blocking, ringing, motion compensation mismatch or false borders are some of the...
Wireless Local Area Networks (WLANs) are experiencing higher data rate and radius coverage, making possible high quality audio and video transmission. An IPTV system can be built in any home using the Wireless IEEE 802.11n standard because it provides enough data rate and range than the other IEEE 802.11 variants. IEEE 802.1a/b/g standards do not offer enough bandwidth to provide several ITPV channels...
The main issue in Digital Terrestrial Television and in IPTV networks is the Quality of Experience received by the end users. For this reason, there are needed mechanisms to automatically measure the video quality of the images received. In this paper we analyze video quantization in order to determinate an optimal quantizer_scale factor value for its transmission. Then, it is used as an automatic...
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