如何使用

此测试卡用于调整色度键的设计。特别是可以用女人的头发和花边窗帘来矫正色度键，并且可以精细的去除蓝色背景。另外她的脸可以用来检查皮肤的色彩再现性和线性随量化发生的情况。

How to use

This image is useful to adjust chroma key devises. Especially, you can calibrate chroma key with woman's hair and the lace curtain in order to remove the blue background finely. Also her face is useful for checking skin color reproducibility and contouring which happens with quantization.