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I am going to record a short (approximately 5 minute) video of myself talking.

I want the background (which will be "bla" and perhaps a bit grainy, as I will probably just be using the built-in photo app on my iPad) to be "blacked out" (it will be whitish (the sliding doors of my clothes closet will be my "background")).

There is an app/web site that removes the background of still images of people (remove.bg); I want to do the same with this video (and then turn the background black, rather than leave it white, as I do with Paint's "bucket" feature after downloading the background-removed picture after using the site above).

Is this possible? Of course it is; I guess my real question is, "How can I do this using the built-in video capabilities of my iPad or via a free or inexpensive video creation/editing app"?

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Natron is a free and open source software that allows for keying (removing a specific color from your video, helpful if you actually have a blue or greenscreen) as well as rotoscoping which is a technique to mask out specific parts of a video through a mix of manual and automated masking.

If you have the possibility it will be a lot easier if you record yourself infront of a single color background that is in contrast to yourself, also avoid wearing colors that are similar to your background color. It does not always have to be a blue or green screen. Lighting is also important.

Of course the best approach of all is to do it right while recording and get a black sheet instead of residing to digital editing which is a LOT harder to achieve a reasonable result with. This will change with machine learning becoming more and more available but at the moment the most natural looks is always achieved in front of the camera.

  • Hmm, visqueen (sp?) might be the way to go; or if necessary, visking. – B. Clay Shannon Jan 4 '19 at 13:19
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Well, white could get quite difficult, it would need to clearly differnce you from the white background. (Dark clothes, dark hair...) Else I'd guess this won't give a good result. It would be better if you hang a green/blue clothe behind you. Something like a bath towel will do it just fine enough. Make sure to hang it really tight and put some good lighting on it.

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