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    • 1. 发明申请
    • IMAGE CORRECTION CIRCUIT, IMAGE CORRECTION METHOD AND IMAGE DISPLAY
    • 图像校正电路,图像校正方法和图像显示
    • US20070273793A1
    • 2007-11-29
    • US11746223
    • 2007-05-09
    • Shigeru HaradaKazuhito KobayashiYoshifumi DochiTomonori Tsutsumi
    • Shigeru HaradaKazuhito KobayashiYoshifumi DochiTomonori Tsutsumi
    • H04N5/00
    • H04N9/68H04N9/77
    • An image correction circuit capable of easily achieving adaptive color correction on the basis of a luminance correction amount is provided. An image correction circuit includes: a luminance correction means for performing luminance correction on input image data; and a color correction means for performing adaptive color correction on input image data on the basis of the following formula (1): Cout∝Cin×[1+M×(Δ Y/L)]   (1) where Cout represents a chrominance signal after color correction, Cin represents a chrominance signal before color correction, M represents an adaptive color correction magnitude which is a fixed positive value, Δ Y represents the total amount of luminance correction by the luminance correction means, L represents a fixed positive value satisfying L
    • 提供了能够基于亮度校正量容易地实现自适应色彩校正的图像校正电路。 图像校正电路包括:用于对输入图像数据进行亮度校正的亮度校正装置; 以及根据以下公式(1)对输入图像数据进行自适应颜色校正的颜色校正装置:<?in-line-formula description =“In-line formula”end =“lead”?>CoutαCinx [1 + Mx(ΔY/ L)](1)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中Cout表示色彩校正后的色度信号,Cin表示色度 颜色校正前的信号,M表示作为固定正值的自适应色彩校正量,ΔY表示亮度校正装置的亮度校正的总量,L表示满足L <(Ymax / 2)的固定正值,以及 Ymax表示输入图像数据的最大亮度。
    • 2. 发明授权
    • Image correction circuit, image correction method and image display
    • 图像校正电路,图像校正方法和图像显示
    • US07990474B2
    • 2011-08-02
    • US11746223
    • 2007-05-09
    • Shigeru HaradaKazuhito KobayashiYoshifumi DochiTomonori Tsutsumi
    • Shigeru HaradaKazuhito KobayashiYoshifumi DochiTomonori Tsutsumi
    • H04N5/21H04N9/64
    • H04N9/68H04N9/77
    • An image correction circuit capable of easily achieving adaptive color correction on the basis of a luminance correction amount is provided. An image correction circuit includes: a luminance correction section for performing luminance correction on input image data; and a color correction section for performing adaptive color correction on input image data on the basis of the following formula (1): Cout∝Cin×[1+M×(ΔY/L)]  (1) where Cout represents a chrominance signal after color correction, Cin represents a chrominance signal before color correction, M represents an adaptive color correction magnitude which is a fixed positive value, ΔY represents the total amount of luminance correction by the luminance correction section, L represents a fixed positive value satisfying L
    • 提供了能够基于亮度校正量容易地实现自适应色彩校正的图像校正电路。 一种图像校正电路包括:用于对输入图像数据执行亮度校正的亮度校正部分; 以及颜色校正部分,用于基于以下公式(1)对输入图像数据进行自适应颜色校正:CoutαCin×[1 + M×(&Dgr; Y / L)](1)其中Cout表示色度 颜色校正后的信号,Cin表示色彩校正前的色度信号,M表示作为固定正值的自适应色彩校正量,&Dgr; Y表示亮度校正部的亮度校正的总量,L表示固定的正值 满足L <(Ymax / 2),Ymax表示输入图像数据的最大亮度。