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Assessment of subjective video quality on 4K Ultra High Definition videos

机译:评估4K超高清视频上的主观视频质量

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With the wide spread use of digital video, video quality assessment has become a hot research. In this paper, a subjective video quality assessment on 4K Ultra-High Definition (UHD) videos was presented in detail. We described the source sequences which were chosen and the preparation of the impaired test sequences. The test environment and test equipment was also presented and we chose DSCQS for 4K-UHD subjective quality assessment methodology. 21 human subjects participated in the test and the differential mean opinion scores (DMOS) of each test sequence was recorded. Results of the subjective quality assessment show that at the bitrate of 23Mbps achieved an obviously good video quality with the average DMOS of 12.7.
机译:随着数字视频的广泛使用,视频质量评估已成为热门研究。在本文中,详细介绍了针对4K超高清(UHD)视频的主观视频质量评估。我们描述了选择的源序列以及受损测试序列的制备。还介绍了测试环境和测试设备,我们选择了DSCQS作为4K-UHD主观质量评估方法。 21名人类受试者参加了该测试,并记录了每个测试序列的差异平均意见分数(DMOS)。主观质量评估结果表明,在23Mbps的比特率下,视频质量明显提高,平均DMOS为12.7。

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