![]() Input: The orange input accepts a 2D image that contains the green or blue screen.The Clean Plate node includes three inputs in the Node Editor. Then, growing the pre-matte fills in the holes until you have a solid blue or green image. Once you have the selection, the Erode control expands the pre-matte, removing any small pixels of non-green/blue screen around the edges. A transparent cutout represents everything that is not part of the blue or green screen. By box selecting areas of the screen color in the viewer, you end up with an image of the green/blue screen. When creating a clean plate, you try to keep as much of the blue- or green-screen as possible. ![]() When keying, you try to remove the green or blue color. ![]() How to Create a Clean PlateĬreating a clean plate is the opposite of creating a key. The output of the Clean Plate is later connected to the Clean Plate input on the Delta Keyer so it can key fine detail without choking or clipping the matte. The Clean Plate tool is a pre-keying node used to generate an image of the green or blue color screen to smooth out the lighting differences.
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