Keyer filter

This article covers features that require activation via a module license.

The Keyer filter provides tools to create a matte for a uniformly colored background, such as a green screen, in order to blend a foreground with a background plate using a composite slot.

This reference article describes the filter’s UI elements and gives a short explanation for each parameter, while the article Green screen compositing provides a guide to blend a foreground with a background plate.

Keyer filter

Filter settings UI#

The keyer filter consists of the following UI elements:

• Mode: Switch between the viewing modes:
  • Preview: shows the filtered image
  • Matte: shows transparent areas in black and non-transparent areas in white
• Channel: Choose the desired target color channel for your key (green or blue)
• Color: Pick a color in the area of the green or blue screen
• Noise level: Increases the amount of pixels included in the transparent area
• Details level: Retains more details in the non-transparent areas
• Amount: Increases the overall red/green (or orange/blue) color difference mask
• Black fill: Increases the transparent areas of the final mask
• White fill: Increases the non-transparent areas of the final mask
• Spill level: Neutralizes color spill in the overall image