![keylight 1.2 on green after effects keylight 1.2 on green after effects](https://i.ytimg.com/vi/CDX4k2WTI78/maxresdefault.jpg)
Either grow (if greater than zero) or shrink (if less than zero) the alpha in the Screen Matte at a sub-pixel level. Sets the cut off point above which alpha values in the Screen Matte are set to the white point.Īllows edge detail to be restored after clipping the Screen Matte too aggressively using the Clip Black and Clip White controls.Īdjusts alpha values in the Screen Matte. Note:Adjusting this control too aggressively can cause hard edges between the foreground and background. Sets the cut off point below which alpha values in the Screen Matte are set to zero. If you’re keying digital video or grainy footage, you might get better results if you adjust this control slightly. When disabled, set the Despill Bias color separately.Īdjusts how much you want to soften the foreground image used to generate the key.
![keylight 1.2 on green after effects keylight 1.2 on green after effects](https://i0.wp.com/odederell3d.blog/wp-content/uploads/2017/12/a.jpg)
When enabled, use the Alpha Bias color as the Despill Bias color. Note:This control is disabled unless Use Alpha Bias for Despill is disabled.
KEYLIGHT 1.2 ON GREEN AFTER EFFECTS SKIN
The most useful colors to pick for Despill Bias are often hair colors and skin tones. Pick the color from the part of the foreground that is affected.Īdjusts the Despill Bias to remove any remaining spill from around the foreground image. If the key is not working too well with these settings, try setting the balance to about 0.05, 0.5 and 0.95 and see what works best.Īdjusts the Alpha Bias in case your screen color isn’t purely blue or green and is causing parts of the foreground image to become transparent. Generally speaking, blue screens tend to work best with a balance of around 0.95 and green screens with a balance of around 0.5.
![keylight 1.2 on green after effects keylight 1.2 on green after effects](https://i.pinimg.com/originals/5e/e9/ed/5ee9ed910b5a2e05cc22060ab71b8ec3.jpg)
Sets the balance point for the image to key. Sets the screen color to become transparent, usually blue or green background.Īdjusts how much of the screen color is removed to make the screen matte. If you’re using premultiplied images, you should leave this enabled. When disabled, the key result is not unpremultiplied.
![keylight 1.2 on green after effects keylight 1.2 on green after effects](https://bluefx.net/wp-content/uploads/2019/07/mask.jpg)
Screen Matte - view the matte created from picking the Screen Color.Source Alpha - view the foreground image’s alpha channel.Source - view the blue/green screen foreground image.Select what you want to render into the output. The Inside Mask, or holdout matte, used to confirm areas that are definitely foreground. The Outside Mask, or garbage matte, used to remove unwanted objects (lighting rigs, and so on) from the foreground. The background image to replace the blue/green screen in the foreground. Keylight’s core algorithm was developed by the Computer Film Company (now Framestore) and has been further developed by Foundry.Ĭopyright © 2022 Foundry & Framestore. Use the Screen Matte parameters to improve the matte. To remove blue/green spill from the foreground object, use the Despill Bias control to pick skin tones from the source. Use the Screen Color selector to choose a color from the Source input to use as the blue/green screen color and the View dropdown menu to judge the key. Keylight is an industry-proven color difference keyer.