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Matte / Remove blurred pixels

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Matthew Severin
Matte / Remove blurred pixels
on Dec 23, 2017 at 2:04:17 am

Is there any known technique where I can detect and separate out-of-focus background and in focus subject?

For example in this portrait shot the background is very obviously blurred.

https://www.pond5.com/stock-footage/55724086/black-man-wearing-glasses-face...

I'd like to remove that background and isolate the model, without having to apply a mask to every frame. I realize there's probably no perfect solution, but I'm hoping something can get me in the ball park.

Thanks!


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Kalleheikki Kannisto
Re: Matte / Remove blurred pixels
on Dec 23, 2017 at 7:45:07 am
Last Edited By Kalleheikki Kannisto on Dec 23, 2017 at 7:46:44 am

Not exactly an After Effects solution, but Photoshop has "select by focus".

https://helpx.adobe.com/photoshop/using/select-area-focus.html

Perhaps a batch and a cleanup afterwards in AE?

Have you already tried rotobrush?

Kalleheikki Kannisto
Senior Graphic Designer


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