Optimising the illumination spectrum for tissue texture visibility

H. Wang, R. H. Cuijpers, I. M.L.C. Vogels, M. Ronnier Luo, I. Heynderickx, Z. Zheng

Research output: Contribution to journalArticleAcademicpeer-review

1 Citation (Scopus)

Abstract

A light-emitting diode based spectrum optimisation is proposed to enhance the visibility of the texture of biological tissue. This optimisation method is based on maximising perceptual colour differences between pairs of colour patches using images of biological tissue. This approach has two advantages. First, by weighting the importance of colour differences, the impact of glint or specular reflection is reduced automatically. Second, this optimisation method puts the priority on small colour differences which could be more useful in enhancing the visibility of tissue texture. Furthermore, a psychophysical experiment has been conducted to evaluate the effectiveness of the proposed method. To be able to generalise our conclusions, different biological tissue types are used. The results show that illumination spectra that are optimised based on human perceptual colour differences significantly improve the visibility of tissue texture compared to illuminants such as CIE D65, and white LED light.

Original languageEnglish
Pages (from-to)757-771
Number of pages15
JournalLighting Research and Technology
Volume50
Issue number5
Early online date13 Feb 2017
DOIs
Publication statusPublished - 1 Aug 2018

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Visibility
Textures
Lighting
Tissue
Color
Light emitting diodes
Experiments

Bibliographical note

doi: 10.1177/1477153517690799

Cite this

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title = "Optimising the illumination spectrum for tissue texture visibility",
abstract = "A light-emitting diode based spectrum optimisation is proposed to enhance the visibility of the texture of biological tissue. This optimisation method is based on maximising perceptual colour differences between pairs of colour patches using images of biological tissue. This approach has two advantages. First, by weighting the importance of colour differences, the impact of glint or specular reflection is reduced automatically. Second, this optimisation method puts the priority on small colour differences which could be more useful in enhancing the visibility of tissue texture. Furthermore, a psychophysical experiment has been conducted to evaluate the effectiveness of the proposed method. To be able to generalise our conclusions, different biological tissue types are used. The results show that illumination spectra that are optimised based on human perceptual colour differences significantly improve the visibility of tissue texture compared to illuminants such as CIE D65, and white LED light.",
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Optimising the illumination spectrum for tissue texture visibility. / Wang, H.; Cuijpers, R. H.; Vogels, I. M.L.C.; Ronnier Luo, M.; Heynderickx, I.; Zheng, Z.

In: Lighting Research and Technology, Vol. 50, No. 5, 01.08.2018, p. 757-771.

Research output: Contribution to journalArticleAcademicpeer-review

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