Set this according to the screen type in your foreground image: If you have set screen type to pick, you do not need this input. This is more accurate than using an IBKColor node, but in most cases a clean plate isn’t available. A clean plate that was shot on location.This creates the clean plate (that is, takes the color that is keyed out and creates a smoother representation of that). This is used in calculating fine edge detail. exr format is used for pre-rendered images as it supports full float data, reducing loss of information. Note:Pre-rendering output from IBKColor to some formats can result in loss of color information and incorrect results when the image is used as input to IBKGizmo. To perform the composite, connect IBKGizmo to a compositing node, such as Merge. Note:The output from IBKGizmo is a premultiplied image with an alpha channel - it does not composite the foreground over the background. IBKColor creates the clean plate from the blue- or greenscreen image, and IBKGizmo pulls the key. The IBK keyer consists of two nodes: IBKColor and IBKGizmo. This generally gives you good results when working with uneven blue- or greenscreens. The IBK keyer differs from many other keyers in that, instead of using a single color picker, it uses an input image (a clean plate with just the color variations of the background) to drive the key.
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