Y. Kato and K. Hakozaki (Japan)
multimedia communications, streaming services, user per ceptive video quality, subjective assessment
This paper analyzes relationship between video contents and subjective video quality for user-oriented streaming services. In this analysis, we conduct subjective assess ments by using various kinds of video programs, and propose a method classifying video programs into some groups in which a large majority of users feel the same video quality. The control with a high level of user sat isfaction can be done by applying different control method to each group obtained from the proposed method. We also show the necessity of rate control according to video con tents by comparing a classification result based on vision parameters with that based on the assessment result.
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