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    • 1. 发明申请
    • METHOD FOR IMPROVING IMAGE QUALITY
    • 改善图像质量的方法
    • US20130039577A1
    • 2013-02-14
    • US13276823
    • 2011-10-19
    • Yi-Sheng ChiuShih-Chia Huang
    • Yi-Sheng ChiuShih-Chia Huang
    • G06K9/00
    • G06T5/009G06K9/4647G06T5/40
    • A method for improving image quality for display device has steps of inputting an image; computing a probability density function based on the image; generating a first luminance histogram; computing a weighing distribution function based on the first luminance histogram; generating a second luminance histogram through pixel redistribution of the first luminance histogram; computing a cumulative density function based on the second luminance histogram; computing a gamma conversion function based on the cumulative density function based on the second luminance histogram; and adjusting luminance distribution of the input image based on the gamma conversion function.
    • 用于提高显示装置的图像质量的方法具有输入图像的步骤; 基于图像计算概率密度函数; 产生第一亮度直方图; 基于第一亮度直方图计算称重分布函数; 通过所述第一亮度直方图的像素再分配产生第二亮度直方图; 基于第二亮度直方图计算累积密度函数; 基于所述第二亮度直方图计算基于所述累积密度函数的伽马转换函数; 以及基于伽马变换功能调整输入图像的亮度分布。
    • 2. 发明授权
    • Method for improving image quality
    • 提高图像质量的方法
    • US09396526B2
    • 2016-07-19
    • US13276823
    • 2011-10-19
    • Yi-Sheng ChiuShih-Chia Huang
    • Yi-Sheng ChiuShih-Chia Huang
    • G06T5/00G06K9/46G06T5/40
    • G06T5/009G06K9/4647G06T5/40
    • A method for improving image quality for display device has steps of inputting an image; computing a probability density function based on the image; generating a first luminance histogram; computing a weighing distribution function based on the first luminance histogram; generating a second luminance histogram through pixel redistribution of the first luminance histogram; computing a cumulative density function based on the second luminance histogram; computing a gamma conversion function based on the cumulative density function based on the second luminance histogram; and adjusting luminance distribution of the input image based on the gamma conversion function.
    • 用于提高显示装置的图像质量的方法具有输入图像的步骤; 基于图像计算概率密度函数; 产生第一亮度直方图; 基于第一亮度直方图计算称重分布函数; 通过所述第一亮度直方图的像素再分配产生第二亮度直方图; 基于第二亮度直方图计算累积密度函数; 基于所述第二亮度直方图计算基于所述累积密度函数的伽马转换函数; 以及基于伽马变换功能调整输入图像的亮度分布。