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ITU-T P.1202.1

2012 Edition, October 1, 2012

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Parametric non-intrusive bitstream assessment of video media streaming quality – Lower resolution application area

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This Recommendation1 describes an algorithmic model for parametric non-intrusive bitstream assessment of video media streaming quality – lower resolution (LR) application area. This algorithmic model can be applied to the monitoring of the video quality of IP-based video services based on information extracted from the video bitstream encoded with the ITU-T H.264/AVC baseline video codec. The model is intended especially for the lower resolution application area, including such services as mobile TV. The ITU-T P.1202.1 model is a no-reference (i.e., non-intrusive) model which operates by analysing information in the video bitstream without fully decoding the bitstream. Further client specific information, such as concealment type and rebuffering duration, is provided to the algorithm out-of-band, for example in the form of streamspecific side information. As output, the model algorithm provides an estimate of the video quality in terms of the five-point absolute category rating (ACR) mean opinion score (MOS) scale defined in [ITU-T P.910]. This Recommendation describes the algorithm that takes an elementary stream encapsulated in RTP/UDP/IP as input, where information from RTP headers is used to identify lost pictures.