January 19 - 22, 2021 Online. FREE Registration.
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Photonics Spectra Conference 2021

Radiant Vision Systems, Test & Measurement
Jenoptik Optical Systems LLC, Light & Optics
Admesy BV
Konica Minolta Sensing Americas Inc.

Colorimetry: A Primer on the Science of Color Measurement

Presented by: Jessy Hosken, Radiant Vision Systems

The human eye is a specially calibrated optical instrument. Our eyes have a unique response to different wavelengths of light — a response that builds our perception of color and influences our impression of light-emitting elements.

Colorimetry, the science of color measurement, describes this response and captures color as meaningful data to guide human-centric design and evaluation of many of today's devices. This science brings together standard principles, formulas, and functions to create a universal color language.

Colorimetry also enables machines that provide a means to extract objective and repeatable values from light to perform automated optical metrology and visual quality inspection based on color. Called colorimeters, the machines use scientific optical filters and calibrations that ensure measurement according to colorimetric principles. The machines enable manufacturers to best assess the visual quality of displays, illuminated components, and light sources as they are actually seen and experienced by users. Jessy Hosken presents the basic principles of colorimetry.


About the presenter
Jessy HoskenJessy Hosken began her career at Radiant as an application engineer, where she worked directly with customers to support projects and implementations of Radiant hardware and software technology. In her current role as product engineer, she is involved in overseeing product life cycles, including guiding, documenting, and communicating product developments as part of the product management team. Through her experience at Radiant, she has developed a thorough understanding of light and color measurement using imaging colorimeters and sophisticated software tools. She has a passion for solving complex, interdisciplinary problems and working with cross-functional teams to ensure that Radiant continues to produce and ship industry-leading products to its global customers. Hosken received a B.S. in physics and STS (science, technology, and society) from the University of Puget Sound in Tacoma, Wash.




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