• 灰階測試卡

          HDTV灰度測試圖卡

          品牌:Sine Image
          型號:YE0223
          尺寸:可定製
          材料:高清相紙/菲林
          比例:16:9
          類型:反射式/透射式可選

         HDTV灰度測試圖卡簡介

          分辨率測試卡HDTV灰度測試圖卡用於攝像機的色調再現評估,兩個13度灰階條按相反的方向排列在灰色背景(D=0.75)中,灰階條以對數分等級。

        HDTV灰度測試圖卡反射式

          分辨率測試卡一個最佳伽馬校正的攝像機的輸出信號產生兩個相反的13度線性步進信號。灰階的對比範圍是200:1。灰階密度:伽馬=0.45,透射值(亮度):伽馬=2.2,剛好是伽馬=0.45的倒數值。

        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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