White Papers

Analyzing the Spatial Quality of Internet Streaming Video

Overview The quality of video over the Internet is determined both by the original encoded video quality and by any impairments caused by the network. This paper considers the first of these factors. The paper observes streaming video sessions over a one-week period at a cable headend of a large cable provider. All traffic flows for the widely used Windows Media streaming application were collected. The paper then applies several no-reference pixel-based blocking and blurring quality metrics to the decoded video. The paper presents a statistical characterization of the spatial quality, considering the impact of spatial resolution, temporal frame-rate, bit-rate, and compression algorithm.

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Publisher: AT&T Labs-Research
File Format: PDF
Date Published: Oct 22, 2008
Format: White Papers
Topics: Streaming Media

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