On Fri, 2021-02-05 at 14:21 +1030, Tim via users wrote:
> On Thu, 2021-02-04 at 19:09 +0000, Paul Smith wrote:
> > I would like to replace the background behind in my webcam video feed
> > with an image. However, that is not possible, as it requires a “green
> > screen”, which I do not have. So, my idea is to use a virtual camera
> > with a background image chosen by me and feed that into Zoom. Is that
> > possible on Fedora?
>
> If I google around, apparently there are things that can do the green
> screen effect with zoom without a *green* screen, though they may be
> Windows/Mac.
>
> The point of using green screens is to have a uniform colour behind you
> that's very opposite of skin tone (blue or green being the most common,
> though the BBC had used yellow too) and from anything that you're
> wearing, that the keying device can detect as being background instead
> of foreground. You can research chromakey or CSO (colour separation
> overlay) for more info about it.
>
> It doesn't have to be a screen. A suitably vivid colour bed sheet
> stretched tight will do the job. We've used fabric from a dressmakers,
> and blue cardboard pinned to the wall. But that's not always practical
> to do at home, and with people in lockdown they can't go out and buy
> things.
>
> If you want to avoid the insides your home being shown on a webcam
> meeting, your simplest option is to hold the meeting somewhere else in
> your house that's less personal. Such as sitting in a position so that
> your loungeroom curtains are the only things visible behind you. I've
> seen journos working from home park themselves in front of their big
> screen TV and use that as the background.
Just a few days ago the BBC had a story about second-hand booksellers
doing a nice trade in selling batches of serious-looking books that
people could place strategically behind them :-)
(Apologies for going OT)
poc
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