This paper presents a methodology and a framework for quality assessment of compressed video. Usage of the framework is illustrated by taking five source video clips, compressing them by two commercially available video encoders, and calculating four perceptual metrics for each encoded clip. The perceptual metrics utilized to characterize vide quality were: jerkiness, blur, block distortion, and an objective overall quality index. The paper provides over forty curves to show the shape and range of the perceptual metrics.
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