The Unsung Heroes of Imaging


Playlists: 'fireshonks' videos starting here / audio

This talk will introduce luma-chroma colour spaces: what they are, their reason for existence, why they are useful, and real world examples.

Hidden, 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.

This 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...