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I'm aware of all these things but there still is a 1:1 correspondence between camera sensor pixels and JPEG [luminance] pixels. Yes, color information isn't com
by grishka 4y ago
I'm aware of all these things but there still is a 1:1 correspondence between camera sensor pixels and JPEG [luminance] pixels. Yes, color information isn't complete, but it's the right balance. Enlarge it and you aren't adding any new information. Shrink it and you're losing information.
- astrange 4y agoDefinitely not true unfortunately. In particular it's not true for areas colored red or blue, because the green channel doesn't have the luminance information - that's why I mentioned them. Lightroom and at least one current phone camera have ML Bayer demosaicing for this reason and it's visibly sharper. (Note sharpening and enlarging are the same operation.)