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A content-dependent video quality model for video streaming services

A content and video technology, which is applied in the field of content-related video quality models for video streaming services, and can solve problems such as calculating correction coefficients that are not proposed.

Active Publication Date: 2016-11-30
DEUTSCHE TELEKOM AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, no solution is proposed for computing this correction coefficient in the case of encrypted video, for example

Method used

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  • A content-dependent video quality model for video streaming services
  • A content-dependent video quality model for video streaming services
  • A content-dependent video quality model for video streaming services

Examples

Experimental program
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Embodiment Construction

[0166] According to the invention, the content complexity impact on the compression-related quality impairment Icod and the transmission-related quality impairment Itra can be evaluated using the scheme described below:

[0167] No Loss Situation - Icod

[0168] One embodiment of the invention involves including the GOP / scene complexity parameter in equation (3), where Imp=Icod, m=1, n=1, u=4, and where Imp is obtained, f Icod is an exponential function:

[0169] f I c o d ( p I c o d , q I c o d , α I c o d ...

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Abstract

The present invention relates to a method and apparatus for assessing the perceived quality of digital video signals, preferably in the context of video streaming services such as Internet Protocol Television (IPTV) or Video on Demand (VoD), and in particular for providing content The complexity parameter and the content-dependent assessment of the perceptual quality of the digital video signal are performed by controlling the existing or future parameter-based video quality assessment method by the provided content complexity parameter. The present invention is designed for use with encrypted video streams, but also works on unencrypted video streams.

Description

technical field [0001] The present invention relates to a method and apparatus for assessing the perceived quality of digital video signals, preferably in the context of video streaming services such as Internet Protocol Television (IPTV) or Video on Demand (VoD), and in particular for A content complexity parameter is provided and a content dependent assessment of the perceptual quality of a digital video signal is performed by controlling an existing or future parameter based video quality assessment method by the provided content complexity parameter. The present invention is designed for use with encrypted video streams, but also works on unencrypted video streams. Background technique [0002] In order to ensure a high level of satisfaction for users of video services (eg, non-interactive streaming video (IPTV, VoD)), the perceived video quality of those services needs to be evaluated. The primary responsibility of content providers and customers' broadcast providers i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N17/00H04N19/154H04N19/177H04N19/48H04N19/89
Inventor 玛丽-内日·加西亚亚历山大·拉克萨瓦斯·阿伊罗普洛斯伯恩哈德·费坦恩彼得·利斯特
Owner DEUTSCHE TELEKOM AG
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