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Forum for Illumination Research, Engineering, and Science (FIRES)

Category: Color, Measurements and Calculations
By Jason Livingston (Studio T+L), Michael Royer (PNNL), Lorne Whitehead (University of British Columbia) It seems that every month there is a new metric proposed to quantify the performance of light sources, particularly with respect to spectral properties. One of the latest examples is Average Spectral Difference (ASD).
By Jason Livingston, Michael Royer, Tony Esposito Hopefully, you have heard of TM-30 by now. ANSI/IES TM-30-18, IES Method for Evaluating Light Source Color Rendition provides a robust suite of metrics that convey much more information than any previous attempt at characterizing color rendering.
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