Abstract
Measuring video quality is one of the most critical and yet challenging tasks for video processing applications. It enables the assessment of video quality off-line, providing a basis for validation and comparison of codec performance, and it also facilitates rate-quality optimization within the coding loop for on-line compression applications. This chapter offers a comprehensive review of subjective and objective video quality assessment methods. It introduces the general principles for undertaking subjective quality evaluation experiments, together with a classification and a summary of existing objective quality metrics. A comparison of performance for seven often-used quality metrics based on a statistical analysis using subjective datasets is provided.
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