Lua script that adds an 8 point polygon mask/matte filter for cropping away a portion of the image or for isolating a portion of the image when your greenscreen backdrop is smaller than the image frame.
Install the filter-polymask.lua script file.
Add the Polymask filter to your source.
For cropping away a portion of the image, use the polygon vertex sliders to position and shape the polygon. Feather, invert, etc. as required.
For matting around a greenscreen or removing non-green objects from the image frame, use the vertex sliders to position and shape the polygon around the objects.
Use the color picker to select a color from your greenscreen.
Check the "Use color mask" box, the "Feather in" and/or "Feather out" boxes, Feather strength, and "Invert" checkbox, as required.
Add a Chroma Key filter and adjust it's parameters as required.
Install the filter-polymask.lua script file.
Add the Polymask filter to your source.
For cropping away a portion of the image, use the polygon vertex sliders to position and shape the polygon. Feather, invert, etc. as required.
For matting around a greenscreen or removing non-green objects from the image frame, use the vertex sliders to position and shape the polygon around the objects.
Use the color picker to select a color from your greenscreen.
Check the "Use color mask" box, the "Feather in" and/or "Feather out" boxes, Feather strength, and "Invert" checkbox, as required.
Add a Chroma Key filter and adjust it's parameters as required.