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Hi there,
I'm trying to blur the background of a video screen capture, while keeping the foreground in focus, similar to a portrait shot.
The way I am achieving this is by duplicating the video, then adding a Gaussian Blur to the bottom layer - a 4 point Garbage Mate on the top layer - encasing the area that I'd like in focus.
Is there a way to add a mask - select the area I want in focus - add a blur - invert the mask so that the background in now out of focus? This would reduce the file size significantly!
If you have any ideas about a better way to achieve this effect, please let me know.
Regards, Marcus
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What program are you asking about?
The Garbage Mattes are masks, so they are the tool you'll want to use. Atlhough, depending on the shape of the image in the foreground, even a 16 point Garbage Matte may not be intricate enough to create your mask.
In fact, unless your actor/object is in front of a blue screen or a green screen, you're probably not going to be able to do what you want to well in Premiere Elements. It may require something as complicated as the rotoscoping feature in After Effects CC.