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Keying pics with Gray and White Backgrounds

Posted: Thu, 18th Mar 2010, 1:08am

Post 1 of 2

FXhomer106659

Force: 4600 | Joined: 20th Jan 2009 | Posts: 1

VisionLab User PhotoKey 2 Pro User PhotoKey 3 Plug-in User

Gold Member

Hi,
I have a big number of pictures with White or Gray backgrounds, is it possible to add those colors to the Key list?

Thx.
Posted: Thu, 18th Mar 2010, 2:32am

Post 2 of 2

Axeman

Force: 17995 | Joined: 20th Jan 2002 | Posts: 6124

VisionLab User VideoWrap User PhotoKey 5 Pro User MuzzlePlug User PowerPlug User PhotoKey 3 Plug-in User FXhome Movie Maker FXpreset Maker MacOS User

SuperUser

I'm not sure if you are asking if it is possible to key them in PhotoKey, or if its possible to include that ability as a feature in a future release.

Either way, I'm afraid the answer is likely to be no, as only in very special cases can either of those colors work to get a clean key. Neutral colors like that are combinations of all three color channels, so trying to select areas of the image by color channel is a bit tricky. It requires completely different processing and algorithms from what a Difference Key uses.

Perhaps they could add a value key or something in a future version, but I'm pretty sure the demand isn't sufficient to justify the development involved. But maybe I'm wrong. One of the developers would have to say for sure.