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by SpicyLemonZest
2113 days ago
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The challenge here is that your perception of the world itself performs contextual color correction. If you've ever seen those optical illusions where you see two different colors but they're actually the same (https://www.syfy.com/syfywire/another-brain-frying-optical-i... is my favorite recent example), that's a demonstration of the effect. So a camera that's trying to match your perception of the world can't just identify the "true" color; it has to identify what color it should print on your screen to generate the same perception as if the contents of the picture were outside your window. I wouldn't necessarily say it's a bad ideal, though. Smartphone cameras do a very good job at automatically performing all the right corrections in most circumstances. It's just nontrivial, and thus unsurprising that the normal algorithms fail in weird edge cases like "the entire sky is deep red". |
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