Figure 18.1. Extremely high frame rate shots require intense amounts of light as in this setup by DP/director Ben Dolphin. (Photo courtesy Ben Dolphin)
Chroma key, known as bluescreen, greenscreen, or process photography, is a method of producing mattes for compositing. The basic principle is the same for all processes and for both film and video: by including an area of a pure color in the scene, that color can then be made transparent, and another image can be substituted for it.
The people or objects you are shooting is called the foreground plate, and what you will eventually put in to ...
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