This renders the original source image with the Screen Matte generated in this Keylight node. Use this option on shots that can only be keyed using several different keys on different parts of the image (multipass keying). Intermediate Result - view the intermediate result.Status - view an exaggerated view of the key so that minor problems are shown clearly.Combined Matte - view the screen matte, inside mask, and outside masks added together.The outside mask is used as a garbage mask to reveal the background. Outside Mask - view the outside input.This is used to firm up the foreground matte to stop print through. It does not include any inside or outside masks. 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 © 2023 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.
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