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首页> 外文会议>Broadband Multimedia Systems and Broadcasting, 2009. BMSB '09 >Influence of temporal pooling method on the objective video quality evaluation
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Influence of temporal pooling method on the objective video quality evaluation

机译：时间池化方法对客观视频质量评估的影响

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摘要

Objective video quality evaluation incorporates spatial and temporal degradation effects to calculate quality grade for each video frame alone, as well as the overall quality grade for the whole sequence. Distortion visibility depends not only on the level of degradation but also on video content and viewer's preferences. Temporal pooling is a method that collapses series of frame quality scores to one quality score for whole video sequence and it should be aware of an influence of the video quality variation to the human overall judgments of quality. In this paper six pooling methods applied to five objective video quality metrics are compared. The best prediction capability has been obtained by those pooling methods that reflect two phenomena: a recency effect and the worst quality section influence. Moreover, the statistics of individual frames scores tends to be of high importance and strongly influences pooling method capabilities.
机译：客观的视频质量评估结合了空间和时间上的劣化效应，可以单独计算每个视频帧的质量等级，以及整个序列的整体质量等级。失真可见性不仅取决于降级的程度，还取决于视频内容和观众的喜好。时间池化是一种将整个视频序列的一系列帧质量得分压缩为一个质量得分的方法，并且应该意识到视频质量变化对人类总体质量判断的影响。在本文中，比较了应用于五个客观视频质量指标的六种合并方法。那些反映两种现象的合并方法获得了最佳的预测能力：新近效应和最差的质量截面影响。此外，单个帧得分的统计数据往往具有很高的重要性，并且会严重影响合并方法的功能。

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