color key

基本解释

The color key has been highlighted for emphasis.
颜色键被突出显示以表示强调。
The application of color key technology in the TV has expanded peoples thinking field greatly.
色键技术在电视中的应用，极大地拓展了电视人的思维。
Virtual studio system is a new TV program production system which combines computer virtual reality technology with traditional studio color key switchover technology.
虚拟演播室系统是计算机虚拟现实与传统演播室色键抠像技术相结合的一种新的电视节目制作系统。

The three new cameras all come equipped with Picture Effect settings that make it easy to spice up photos, movies and panoramas instantly and automatically with a range of fun, impressive artistic treatments like Toy Camera, Pop Color, Soft High Key and Partial Color.
ENGADGET: Sony brings Cyber-shot HX300, WX300 and TX30 to the US with fast autofocus
So a certain area of the movie was coded black and green, a certain area was crimson and gold, and when we laid out the movie in a big room, we had all the wardrobe, all the props, all the color-coded key art.
NEWYORKER: Show The Monster
The F800EXR has six new filters: Pop Color, Toy Camera, Miniature, High Key, Partial color and Dynamic Tone.
ENGADGET: Fujifilm unwraps FinePix F800EXR camera with wireless sharing to Android, iOS