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Basic Keyer


Controls

Parameter / Script Name Type Default Function
Mode / mode Choice Luminance
Luminance Mode / luma_formula Choice Rec. 709 Luminance formula used when mode is not None
Alpha Mode / alpha_mode Choice Ignore Source Alpha
Output / output_mode Choice Premultiplied
Key Color / key_color Color 0, 1, 0, 1
Lower Softness / lower_softness Float -0.5 Background key value goes from 0 to 1 when foreground key is over this range
Lower Tolerance / lower_tolerance Float 0 Background key value is 1 when foreground key is over this range
Center / center Float 1 Foreground key value forresponding to the key color, where the background key should be 1
Upper Softness / upper_softness Float 0.5 Background key value goes from 1 to 0 when foreground key is over this range
Upper Tolerance / upper_tolerance Float 0 Background key value is 1 when foreground key is over this range
Despill / despill Float 1 Reduces color spill on the foreground. When between 0 and 1, only mixed regions are despilled. Above 1, foreground regions are despilled too
Despill Angle / despill_angle Float 120 Opening of the cone centered around the keyColor where colors are despilled. A wider angle means that more colors are affected
Inside Matte / inside_matte Image -
Outside Matte / outside_matte Image -