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Oklch+: A Three-Parameter Extension of Oklab for Improved Color Difference Prediction

Announce Type: cross Abstract: Oklab and its cylindrical representation Oklch are widely adopted in interpolation and design workflows as perceptually motivated color spaces, but their color difference prediction accuracy falls short of CIEDE2000. We propose Oklch+, a three-parameter extension of Oklab comprising a power transformation on the L-axis and a Naka-Rushton compression on the C-axis, with Euclidean distance computed in the resulting transformed Oklab coordinates.

arXiv CS 5d ago

Making Graphics Like it's 1993

Personal website and blog. Catlantean 3D is a side-project I've been slowly building in my spare time for over a year, and I intend to release it on Steam next year. My goal was to build a complete, shippable first-person shooter using techniques that were common in the early 90s, while allowing myself the luxury of using a modern compiler and a platform abstraction layer.

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