Most film makers still use a relatively simple process called matte layering, which involves using a blue or green screen to create images that can be layered to create a composite image.

很多电影制作者仍采用相对简单的程序—分层，即使用蓝色或绿色底色来分层并合成影像。

youdao

The pink white freshens, the blue white corrects yellow undertones, while the matte white brings a veil of radiance and translucency.

粉红白有效柔嫩肌肤，粉蓝白显著修正黯沉与黄斑，哑光白则赋予肌肤无瑕净透的迷人光泽。

youdao

Most film makers still use a relatively simple process called matte layering, which involves using a blue or green screen to create images that can be layered to create a composite image.

很多电影制作人仍然使用被称作杂边压条的相对简单的流程，包括使用一个蓝色或绿色的屏幕来创作图像，这种图像可以被分层从而创作出一个合成图像。

youdao

This is used to generate a matte - which is transparent wherever the blue-colour features on the original film, and opaque elsewhere.

BBC: Blue and green-screen effects pioneer Petro Vlahos dies