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Pulling a hi-con matte from live action?

Posted: 06 Nov 2018, 21:03
by BruceM
I have a 4 second live action clip of ripple reflections on water that I'm considering rotoscoping, but would love another solution.
Is there a way to take this live action clip into TVPaint and pull difference mattes of the frames, so that I end up with a hi-con matte of the ripples?

Can TVPaint do this sort of thing?

Re: Pulling a hi-con matte from live action?

Posted: 06 Nov 2018, 21:06
by slowtiger
Play around with colour adjustment and see what you get.

Re: Pulling a hi-con matte from live action?

Posted: 06 Nov 2018, 22:50
by Svengali
FX>Color>Curves set Mode to HSLO...

Adust the Saturation Curve to 0.
Adjust the Luminosity Curve as desired.

FX-Color-Curves.png
FX-Color-Curves.png (16.17 KiB) Viewed 17200 times

Re: Pulling a hi-con matte from live action?

Posted: 07 Nov 2018, 00:03
by BruceM
Thanks Svengali and Slowtiger!
I'll give these a try.

Re: Pulling a hi-con matte from live action?

Posted: 07 Nov 2018, 16:08
by BruceM
Svengali, the process you laid out worked like a charm.
Thank you!

Re: Pulling a hi-con matte from live action?

Posted: 07 Nov 2018, 17:15
by D.T. Nethery
Oh, yes, that works well. This is what I came up with following Svengali's instructions -

Image

(added highlight "glints" on the water surface by duplicating the high-con water ripple layer and the applying Toon Shading FX set to "shading only/no border" with color white , then added a bit of Gaussian blur)

,

Re: Pulling a hi-con matte from live action?

Posted: 07 Nov 2018, 17:33
by BruceM
That looks great D.T.!
I've been looking for footage of water ripples and came up with something that doesn't look as good as yours.
Could I possibly use yours? Or could you steer me to where I can find it?

Re: Pulling a hi-con matte from live action?

Posted: 07 Nov 2018, 19:26
by D.T. Nethery

Re: Pulling a hi-con matte from live action?

Posted: 07 Nov 2018, 21:40
by BruceM
Amazing! It looks like a totally different chunk of footage.

Thanks for this D.T.!