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Globaltom

@kate this is very neat! Can I ask how you obtain the "perceived luminance?

29 Jan 2023 at 20:22 | Wall-to-wall | Open on mstdn.ca
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Kate Morley

@Globaltom The standard formula (from ITU-R Recommendation BT.601) is the weighted average 0.299 * red + 0.587 * green + 0.114 * blue

29 Jan 2023 at 20:34 | Open on fosstodon.org
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