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Video Quality Modeling for Quality-driven Design

This paper models the video quality, which focuses on the effects of computation precision by combining subjective-objective metric. The motivation behind the research is to bring quality-driven design into effect for video applications. We change the computation-precision of IDCT, the kernel program of MPEG-2 video decoder and get the experimental computation-precision-oriented video quality model. The experimental results show that reducing computation precision while providing certain video quality is a perspective way to reduce cost for embed-