[HTML][HTML] LED-based Vis-NIR spectrally tunable light source-the optimization algorithm

M Lukovic, V Lukovic, I Belca, B Kasalica… - Journal of the European …, 2016 - Springer
Background A novel numerical method for calculating the contributions of individual diodes
in a set of light emitting diodes (LEDs), aimed at simulating a blackbody radiation source, is …

Optimizing spectral compositions of multichannel LED light sources by IES color fidelity index and luminous efficacy of radiation

F Zhang, H Xu, Z Wang - Applied optics, 2017 - opg.optica.org
The trade-off between the color fidelity index (R_f) released recently by the Illuminating
Engineering Society of North America (IES) and luminous efficacy of radiation (LER) was …

An LED-based spectrally tuneable light source for visible and near-infrared spectroscopy analysis: A case study for sugar content estimation of citrus

X Fu, X Wang, X Rao - Biosystems engineering, 2017 - Elsevier
Light source plays an important role in visible and near-infrared (Vis–NIR) spectroscopy
detection systems. Traditionally, halogen tungsten lamps are used in most studies and …

[HTML][HTML] Melanopic limits of metamer spectral optimisation in multi-channel smart lighting systems

B Zandi, A Eissfeldt, A Herzog, TQ Khanh - Energies, 2021 - mdpi.com
Modern indoor lighting faces the challenge of finding an appropriate balance between
energy consumption, legal requirements, visual performance, and the circadian …

[HTML][HTML] Illumination discrimination in real and simulated scenes

A Radonjić, B Pearce, S Aston, A Krieger… - Journal of …, 2016 - tvst.arvojournals.org
Characterizing humans' ability to discriminate changes in illumination provides information
about the visual system's representation of the distal stimulus. We have previously shown …

[HTML][HTML] Illumination discrimination for chromatically biased illuminations: Implications for color constancy

S Aston, A Radonjić, DH Brainard… - Journal of …, 2019 - jov.arvojournals.org
We measured discrimination thresholds for illumination changes along different chromatic
directions starting from chromatically biased reference illuminations. Participants viewed a …

[HTML][HTML] What# theDress reveals about the role of illumination priors in color perception and color constancy

S Aston, A Hurlbert - Journal of vision, 2017 - iovs.arvojournals.org
The disagreement between people who named# theDress (the Internet phenomenon of
2015)“blue and black” versus “white and gold” is thought to be caused by individual …

Matched illumination: using light modulation as a proxy for a color filter that makes a camera more colorimetric

Y Zhu, GD Finlayson - Optics Express, 2022 - opg.optica.org
In previous work, it was shown that a camera can theoretically be made more colorimetric–
its RGBs become more linearly related to XYZ tristimuli–by placing a specially designed …

Color constancy for daylight illumination changes in anomalous trichromats and dichromats

S Aston, G Jordan, A Hurlbert - JOSA A, 2023 - opg.optica.org
Color constancy is the perceptual stability of surface colors under temporal changes in the
illumination spectrum. The illumination discrimination task (IDT) reveals worse …

[HTML][HTML] Unsupervised clustering pipeline to obtain diversified light spectra for subject studies and correlation analyses

S Klir, R Fathia, S Babilon, S Benkner, TQ Khanh - Applied Sciences, 2021 - mdpi.com
Featured Application Selection of most diverse light spectra from a larger set of possible
candidates to be used in subject studies or for machine learning to find correlations between …