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b'This talk will introduce luma-chroma colour spaces: what they are, their reason for existence, why they are useful, and real world examples.\\n\\nHidden, like a hero whose tale is lost to time, there is a common thread weaving through analog television, video, and modern digital imaging. That thread is called luma-chroma colour spaces, and powers how humans are able to see, process, and transmit colours across a variety of media and purposes.\\n\\nThis talk is intended to lift the veil about these color spaces; we will cover their origins, what they are intended for, and showcase samples covering the past 60 years of imaging technologies. Examples include (but are not limited) to: NTSC, PAL, the Okta color spaces, YCbCr, XYB...\\nabout this event: https://events.ccc.de/congress/2023/hub/event/the-unsung-heroes-of-imaging/'