灰阶测试卡 灰阶测试卡 Gray scale test chat NHK 11阶灰阶(γ=0.45)附带3彩色NHK 11 Gray(γ=0.45) with 3 Color 灰阶测试卡TC153Gray TC153 OECF测试卡OECF Chat OECF 36阶测试卡OECF 36 Step gray 灰度/彩色测试卡Gray/Color 灰阶测试卡TC223Gray chat TC223 11阶灰阶测试卡Gray 11 steps chat JEITA灰阶测试卡(灰度γ=2.2)JEITA Gray(Gray scale γ=2.2) ITE 11阶灰度卡(Gamma = 0.45)ITE 11 step gray (Gamma = 0.45) HDTV灰度测试卡HDTV Gray 9阶灰度卡Gray scale 9 steps 灰度测试卡20阶Gray scale 20 steps 灰度测试卡(Gamma = 1)Gray (Gamma = 1) 脉冲灰度测试卡Gray scale with plus 彩色摄像机灰度测试卡Color cam gray 正弦西门子星图Sinusoidal Siemens star chart