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YCrCb Symmetric

 
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Landrew



Joined: 03 Feb 2006
Posts: 7

PostPosted: Sun Feb 19, 2006 1:27 am    Post subject: YCrCb Symmetric Reply with quote

Greetings.

What is the "YCrCb Symmetric" colorspace? The user guide has recommendations about its use, but I couldn't find any definition of it. As an Indy-film maker who works a lot with color, I'd personally appreciate an actual definition, such as "Y is equal weight of R, B and G", so that I know more what is actually happening instead of having to wonder and guess.

Cheers,
Landrew
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NVTeam



Joined: 01 Sep 2005
Posts: 2237

PostPosted: Sun Feb 19, 2006 10:16 am    Post subject: Reply with quote

Yes, your definition is correct, those weights are equal.

Best regards,
Vlad
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noise reduction for video and photos
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Landrew



Joined: 03 Feb 2006
Posts: 7

PostPosted: Sun Feb 19, 2006 9:34 pm    Post subject: Reply with quote

And what are Cr and Cb then? Y-R and Y-B, scaled by some constant factor?

Cheers,
Andrew
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NVTeam



Joined: 01 Sep 2005
Posts: 2237

PostPosted: Sun Feb 19, 2006 10:52 pm    Post subject: Reply with quote

Andrew,

Yes, they are Y-R and Y-B multiplied by a constant, you are right.

Hope this helps.
Vlad
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Landrew



Joined: 03 Feb 2006
Posts: 7

PostPosted: Tue Feb 21, 2006 3:45 am    Post subject: Reply with quote

Thanks, that is helpful!

And thanks for making such a wonderful product!

Cheers,
Landrew
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