Extended Wien and Planck loci

Daneshvar, Elaheh, Finlayson, Graham D. and Brill, Michael H. (2024) Extended Wien and Planck loci. In: Computational Color Imaging. Lecture Notes in Computer Science . Springer, pp. 22-35. ISBN 978-3-031-72844-0

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Abstract

In colour science we are familiar with the Planckian locus, a curve in chromaticity space that is indexed by the temperature T of a blackbody radiator, that approximately delineates the colours of typical lights. In the CIE chromaticity diagram the reddest (lowest-T) light intersects the Spectral locus at 830 nm; as T rises, the lights become progressively orange, yellow, white and blue with the bluest light being defined by an infinite colour temperature. Interestingly the bluest blue Planckian chromaticity is far from the spectral locus. The Wien locus is parameterised by a simpler equation than Planck and runs almost parallel with the Planckian locus.

Item Type:	Book Section
Additional Information:	Funding information: EPSRC grant number EP/S028730/1.
Uncontrolled Keywords:	color of negative temperature,planckian locus,wien locus,theoretical computer science,computer science(all) ,/dk/atira/pure/subjectarea/asjc/2600/2614
Faculty \ School:	Faculty of Science > School of Computing Sciences
UEA Research Groups:	Faculty of Science > Research Groups > Colour and Imaging Lab
Related URLs:	http://www.scopus.com/inward/record.url?...
Depositing User:	LivePure Connector
Date Deposited:	25 Jun 2025 16:30
Last Modified:	14 Jul 2025 12:30
URI:	https://ueaeprints.uea.ac.uk/id/eprint/99728
DOI:	10.1007/978-3-031-72845-7_2

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