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    • 9. 发明申请
    • IMAGE QUALITY EVALUATION SYSTEM, METHOD AND PROGRAM
    • 图像质量评估系统,方法与程序
    • US20110013830A1
    • 2011-01-20
    • US12922817
    • 2009-04-28
    • Toru Yamada
    • Toru Yamada
    • G06K9/46G06K9/00
    • G06T7/0002G06T2207/30168
    • Disclosed is a picture quality evaluation system that comprises a difference calculation part, which calculates the difference between data that represent a feature value of a pixel set comprising at least 1 pixel that constitutes a first image and data that represent a feature value of a pixel set comprising at least 1 pixel that constitutes a second image, a main area of focus calculation part, which uses at least the first image or the second image to determine the main area of focus of an image that has a specific feature and then calculates the main area of focus, which indicates the extent of the main area of focus, a difference weighting part, which weights the difference in the feature value in the pixel set contained in the main area of focus, based on the main area of focus, and a picture quality value calculation part, which calculates the picture quality value of the first image, based on the weighted difference from the difference weighting part.
    • 公开了一种图像质量评估系统,其包括差分计算部分,其计算表示包括构成第一图像的至少1个像素的像素组的特征值的数据与表示像素集合的特征值的数据之间的差异 包括构成第二图像的至少1个像素,聚焦计算部分的主区域,其使用至少第一图像或第二图像来确定具有特定特征的图像的主要焦点区域,然后计算主图像 指示主要区域的焦点范围,差分加权部分,其基于焦点的主要区域对包含在主焦点区域中的像素集合中的特征值的差进行加权,以及 图像质量值计算部,其基于来自差分加权部的加权差计算第一图像的图像质量值。