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    • 4. 发明授权
    • Contour emphasizing circuit and method thereof
    • 轮廓强调电路及其方法
    • US06670999B1
    • 2003-12-30
    • US09630683
    • 2000-08-01
    • Shigeru Fujino
    • Shigeru Fujino
    • H04N521
    • H04N5/208
    • A contour emphasizing circuit and a contour emphasizing method, in which an image having sharpness and a clear image can be obtained, are provided. The contour emphasizing circuit provides a contour emphasizing signal generating means which outputs a delayed video signal, a contour emphasizing signal, and a plurality of differential signals by processing an inputted video signal, a signal level difference detecting means to which the plurality of differential signals outputted from the contour emphasizing signal generating means are inputted and which outputs a signal selecting control signal, and a signal selecting means to which the delayed video signal, the contour emphasizing signal, and the signal selecting control signal are inputted and which mixes the delayed video signal with the contour emphasizing signal in an arbitrary ratio and outputs a video output signal or which selects the delayed video signal or the contour emphasizing signal and outputs the selected signal as a video output signal.
    • 提供了可以获得具有清晰度和清晰图像的图像的轮廓强调电路和轮廓强调方法。 轮廓强调电路提供轮廓强调信号发生装置,其通过处理输入的视频信号来输出延迟的视频信号,轮廓加强信号和多个差分信号;信号电平差检测装置,输出多个差分信号 输入轮廓强调信号生成单元,输出信号选择控制信号,输入延迟视频信号,轮廓强调信号和信号选择控制信号的信号选择单元,将延迟视频信号 具有任意比例的轮廓强调信号,并输出视频输出信号或者选择延迟的视频信号或轮廓强调信号,并输出所选择的信号作为视频输出信号。
    • 7. 发明授权
    • Dynamic white balance control circuit and multi-screen display device
    • 动态白平衡控制电路和多屏显示设备
    • US07199822B2
    • 2007-04-03
    • US10640328
    • 2003-08-14
    • Shigeru Fujino
    • Shigeru Fujino
    • H04N9/73
    • H04N9/12H04N9/73
    • A dynamic white balance control circuit is provided which is capable of dynamically setting a white balance and/or a color temperature according to a level of an input image signal. The dynamic white balance control circuit has a color component detecting circuit to-detect a difference between a black and white image region and a colored image region in a video signal input to output a color component detected result, a selecting circuit to select and output a white balance setting value designating a different color temperature according to the color component detected result indicating the black and white image region or the colored image region, and a white balance control circuit to calibrate a white balance of a video image input according to a selected white balance setting value and to produce a video signal output.
    • 提供一种动态白平衡控制电路,其能够根据输入图像信号的电平动态地设置白平衡和/或色温。 动态白平衡控制电路具有:颜色分量检测电路,用于检测输入视频信号的黑白图像区域和彩色图像区域之间的差异,以输出颜色分量检测结果;选择电路,用于选择和输出 白平衡设定值,根据指示黑白图像区域或彩色图像区域的颜色分量检测结果指定不同的色温,以及白平衡控制电路,用于校准根据所选择的白色输入的视频图像的白平衡 平衡设置值并产生视频信号输出。