立体视频质量主观评价方案的研究
首发时间:2014-08-18
摘要:立体视频质量评价是反映立体视频系统性能的重要指标。由于立体视频的最终观测者是人,因此,判断立体视频质量的最有效方法就是立体视频质量的主观评价,而且立体视频质量主观评价结果是优化立体视频质量客观评价方法的重要依据。基于大脑产生立体视觉的特性,在调研大量文献资料和进行大量实验的基础上,本文提出了一套相对完善的立体视频质量主观评价方案,主要包括立体视频数据库的建立、观看条件的确定、评测者的选定、评测者的训练和测试、以及数据处理和实验结果分析。评测者根据主观感受,对经过压缩处理的立体视频进行评价;然后根据统计学理论对实验数据进行处理分析,得到立体视频质量的主观分值。
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Subjective Quality Assessment of Stereo Videos
Abstract:Quality assessment of stereo video plays an important role in evaluating the performance of stereo video system. With the human viewers as the final receiver for video technology, subjective video quality assessment can yield perfect and desired quality measures, and can also provide foundation for the optimization of objective video quality assessment metrics. Based on the characteristics of the human visual system, a method of subjective quality assessment of stereo video is proposed in this paper. The method is described in six aspects in details: building a stereo video database, description of viewing conditions, selection of assessors, training and testing assessors, data prossessing and analyses of the experiment results. The assessors score their perception of compressed stereo videos, and the data are processed with the statistical theory. Then the results are regarded as MOS(Mean Opinion Score) of stereo videos.
Keywords: Stereo video Subjective assessment Video compression Quality Stereoscopy
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No.4606141994662140****
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