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  1. 10th Apr 2017 12:49 #1
    DaBors
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    Hey, I will have an exam tomorrow and there's a thing I couldn't find yet anywhere. How do you calculate the third color from the two color-difference in chrominance?
    Our prof just said that we can use Y, R-Y and B-Y and green can be calculated from these, but didn't tell how.
    Thanks for any help.
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  2. 10th Apr 2017 15:11 #2
    MWilson
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    Y = 0.2126 R + 0.7152 G + 0.0722 B

    Edit: Formula generally used for Y.

    So R-Y + B-Y + Y...

    Sorry for all the edits, bad day...
    Last edited by MWilson; 10th Apr 2017 at 15:44.
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