HDTV灰度测试图卡_深圳市赛麦吉图像技术有限公司

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    灰阶测试卡

      HDTV灰度测试图卡

      品牌:Sine Image
      型号:YE0223
      尺寸:可定制
      材料:高清相纸/菲林
      比例:16:9
      类型:反射式/透射式可选

     HDTV灰度测试图卡简介

      分辨率测试卡HDTV灰度测试图卡用于摄像机的色调再现评估,两个13度灰阶条按相反的方向排列在灰色背景(D=0.75)中,灰阶条以对数分等级。

    HDTV灰度测试图卡反射式

      分辨率测试卡一个最佳伽马校正的摄像机的输出信号产生两个相反的13度线性步进信号。灰阶的对比范围是200:1。灰阶密度:伽马=0.45,透射值(亮度):伽马=2.2,刚好是伽马=0.45的倒数值。

    Introduction to HDTV grayscale test cards

    Resolution The test card HDTV grayscale test card is used for the camera's hue reproduction evaluation。 Two 13-degree grayscale bars are arranged in the opposite direction on a gray background (D = 0。75)。 The gray bars are numbered in logarithms。

     Resolution test card HDTV grayscale test card reflection type
    The resolution of the test card The output signal of an optimal gamma correction camera produces two opposite 13-degree linear step signals.Resolution test card The gray scale is 200: 1. Gray scale density: gamma = 0.45, transmission value (brightness): gamma = 2.2, just the gamma = 0.45 the inverse value.

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