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    • 1. 发明授权
    • Apparatus for and method of controlling backlight of display panel in camera system
    • 相机系统显示面板背光控制装置及其控制方法
    • US08462101B2
    • 2013-06-11
    • US12835122
    • 2010-07-13
    • Bing HanPaul GallagherYun-tae LeeJoon-seo Yim
    • Bing HanPaul GallagherYun-tae LeeJoon-seo Yim
    • G09G5/10
    • G09G3/3406G09G2320/0626G09G2320/103G09G2340/16G09G2360/144
    • An apparatus controls a backlight of a display panel of a camera system. The apparatus includes a sub-pixel extracting unit, an ambient light luminance calculating unit, and a backlight controller. The sub-pixel extracting unit extracts sub-pixel luminance values from image data, where the image data is indicative of a current image frame defined by a plurality of pixels, and where each of the pixels includes a plurality of sub-pixels. The ambient light luminance calculating unit calculates an ambient light luminance value of the current image frame from the sub-pixel luminance values extracted by the sub-pixel extracting unit. The backlight controller which generates a backlight control signal based on a comparison between the calculated ambient light luminance value of the current image frame and an ambient light luminance value of a previous image frame.
    • 一种装置控制照相机系统的显示面板的背光。 该装置包括子像素提取单元,环境光亮度计算单元和背光控制器。 子像素提取单元从图像数据中提取子像素亮度值,其中图像数据表示由多个像素定义的当前图像帧,并且其中每个像素包括多个子像素。 环境光亮度计算单元从由子像素提取单元提取的子像素亮度值计算当前图像帧的环境光亮度值。 背光控制器,其基于计算出的当前图像帧的环境光亮度值与前一图像帧的环境光亮度值之间的比较来生成背光控制信号。
    • 2. 发明申请
    • APPARATUS FOR AND METHOD OF CONTROLLING BACKLIGHT OF DISPLAY PANEL IN CAMERA SYSTEM
    • 控制摄像机系统显示面板背光的装置及方法
    • US20110007103A1
    • 2011-01-13
    • US12835122
    • 2010-07-13
    • Bing HanPaul GallagherYun-tae LeeJoon-seo Yim
    • Bing HanPaul GallagherYun-tae LeeJoon-seo Yim
    • G09G5/10
    • G09G3/3406G09G2320/0626G09G2320/103G09G2340/16G09G2360/144
    • An apparatus controls a backlight of a display panel of a camera system. The apparatus includes a sub-pixel extracting unit, an ambient light luminance calculating unit, and a backlight controller. The sub-pixel extracting unit extracts sub-pixel luminance values from image data, where the image data is indicative of a current image frame defined by a plurality of pixels, and where each of the pixels includes a plurality of sub-pixels. The ambient light luminance calculating unit calculates an ambient light luminance value of the current image frame from the sub-pixel luminance values extracted by the sub-pixel extracting unit. The backlight controller which generates a backlight control signal based on a comparison between the calculated ambient light luminance value of the current image frame and an ambient light luminance value of a previous image frame.
    • 一种装置控制照相机系统的显示面板的背光。 该装置包括子像素提取单元,环境光亮度计算单元和背光控制器。 子像素提取单元从图像数据中提取子像素亮度值,其中图像数据表示由多个像素定义的当前图像帧,并且其中每个像素包括多个子像素。 环境光亮度计算单元从由子像素提取单元提取的子像素亮度值计算当前图像帧的环境光亮度值。 背光控制器,其基于计算出的当前图像帧的环境光亮度值与前一图像帧的环境光亮度值之间的比较来生成背光控制信号。