2017

You can set the Maximum Output level by dragging the white triangle or by setting the value in the Maximum
Output Level field.
The matte after lowering the Maximum Output level
The matte before adjusting the Output levels
Boosting the Luminance of the Key Using Gain and Lift
You can remove grey from the key by increasing the gain and lowering the lift values in the 2D Histogram
node in the schematic. Increase the gain to eliminate the light greys that may be in the white area of the
matte, and decrease the lift to eliminate dark greys in the black area of the matte.
NOTE Adjusting these values increases the contrast and may harden the edges of the matte.
Using the Luminance Curves
When you create a matte for the front clip, the Keyer automatically creates a matte for the back clip to
specify which part of the back clip is used for the composite. By default, the back matte is the inverse of the
front matte.
You can adjust the luminance of the front matte and back matte separately in the Blending menu in the
Result node in the schematic. For example, increase the luminance of the back matte so that more of the
back clip shows through at the edges of the key. This creates a better blend at the edges of the key.
To adjust the luminance curve:
1 Double-click the Result node in the schematic.
The Luminance curve appears.
Refining Your Key | 705