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Old 16th December 2016, 03:02   #1  |  Link
markanini
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Join Date: Apr 2006
Posts: 297
BT.601 to BT.709 in Android

I reached out to a Android dev suggesting a color conversion feature in his software and he pointed me to an API reference: https://developer.android.com/refere...lorMatrix.html I'm not really knowlegable about programming or math to suggest the best implementation. Anyone have an idea?
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Old 17th December 2016, 01:46   #2  |  Link
Asmodian
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R709 = 0.9395 ∗ Rsmptec + 0.0502 ∗ Gsmptec + 0.0103 ∗ Bsmptec
G709 = 0.0178 ∗ Rsmptec + 0.9658 ∗ Gsmptec + 0.0164 ∗ Bsmptec
B709 = −0.0016 ∗ Rsmptec − 0.0044 ∗ Gsmptec + 1.0060 ∗ Bsmptec

So your matrix would look like:
Code:
[0.9395,  0.0502, 0.0103, 0, 0
 0.0178,  0.9658, 0.0164, 0, 0
-0.0016, -0.0044, 1.0060, 0, 0
 0.0000,  0.0000, 0.0000, 1, 0]
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Old 19th December 2016, 12:27   #3  |  Link
markanini
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Thanks!
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