Prolog

There are multiple ways to interpret a number as a speed: “65” in miles/hour is highway cruising speed, but “65” in knots on the highway is a speeding ticket, while “65” in kilometers/hour is only half that speed. “65” in meters/second is a category-4 hurricane, and “65” in Mach is faster than a meteor.

Clearly, when discussing speed, it’s important to know not only the raw number, but also the scale in which to interpret it.

Introduction

When it comes to representing color, the digital-image version of this kind of scale is its color space. … Continue reading Digital-Image Color Spaces, Page 1: Introduction