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    • 27. 发明申请
    • Image Content-Based Color Balancing
    • 基于图像内容的颜色平衡
    • US20120308131A1
    • 2012-12-06
    • US13152206
    • 2011-06-02
    • Garrett M. JohnsonRussell Y. WebbJerremy Holland
    • Garrett M. JohnsonRussell Y. WebbJerremy Holland
    • G06K9/00
    • H04N1/608H04N9/73
    • Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for applying color balancing to at least a portion of a digital image based on the digital image content. The color balancing process preferably operates in a gamma modified color space, transformed into an opponent color space with separate luminance and chromatic channels. The method also includes identifying a difference of at least one of the chromatic channels between an average color, determined for a region of interest in the digital image, and an ideal reference color for the feature the user desires to correct, as a basis for the color balancing process.
    • 方法,系统和装置,包括在计算机存储介质上编码的计算机程序,用于基于数字图像内容将颜色平衡应用于数字图像的至少一部分。 颜色平衡过程优选地在伽马修改的颜色空间中操作,被转换成具有单独的亮度和色彩通道的对手颜色空间。 该方法还包括识别在数字图像中确定的感兴趣区域的平均颜色和用户期望校正的特征的理想参考颜色之间的色彩通道中的至少一个的差异作为 颜色平衡过程。