Green-Screen Control

Green-Screen Control

Launched from the Summary Control Panel, causes auto-tracking to look only within the keyed area for trackers. The key can also be written as an alpha channel or RGB image by the image preprocessor.

Enable Green Screen Mode. Turns on or off the green screen mode. Turns on automatically when the dialog is first launched.

Reset to Defaults. Resets the dialog to the initial default values.

Average Key Color. Shows an average value for the key color being looked for. When the allowable brightness is fairly low, this color may appear darker than the actual typical key color, for example.

Auto. Sets the hue of the key color automatically by analyzing the current camera image.

Brightness. The minimum brightness (0..1) of the key color.

Chrominance. The minimum chrominance (0..1) of the key color.

Hue. The center hue of the key color, -180 to +180 degrees.

Hue Tolerance. The tolerance on the matchable hue, in degrees. With a hue of -135 and a tolerance of 10, hues from -145 to -125 will be matched, for example.

Radius. Radius, in pixels, around a potential feature that will be analyzed to see if it is within the keyed region (screen).

Coverage. Within the specified radius around the potential feature, this many percent of the pixels must match the keyed color for the feature to be accepted.

Scrub Frame. This frame value lets you quickly scrub through the shot to verify the key settings over the entire shot.