Chroma key forces systems to ignore green
By picking the absolute most unnatural color available, visual processing algorithms can seamlessly cut out humans and replace their surroundings.

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Technology →By picking the absolute most unnatural color available, visual processing algorithms can seamlessly cut out humans and replace their surroundings.

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Why use one camera when you can use a grotesquely massive one that runs three film reels simultaneously? Early Technicolor used a glass prism to split…
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To map dull colors to dramatic tones, systems use a massive mathematical translation sheet to forcibly replace every pixel's original value.
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Capturing a striped shirt causes a hallucinogenic ripple effect because the rigid digital sensor grid fundamentally cannot handle the colliding geometry.
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Cheaper glass fails to focus all wavelengths of light at the exact same point, causing highly annoying purple and green halos to ruin high-contrast edges.
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By treating basic letters, slashes, and brackets as individual shading blocks, simple text documents double as highly complex visual illustrations.
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Those cheap, plastic novelty cups that change pictures when you tilt them are actually a marvel of optical interlacing. The bumpy surface is made of dozens of…
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