Image quality assessment is a key issue in image processing research. The paper makes a comprehensive and systematic analysis of image quality assessment methods, such as the principles, effectiveness, advantages and disadvantages, and application scope.%在图像处理中,图像质量的评价是一个重要的环节.比较全面系统的介绍和分析了当前常用的关于图像质量评价的几种方法,以及它们的原理、功效、优缺点和应用范围.
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