Kubelka—Munk Theory and the Prediction of Reflectance

Nobbs, J. H.

doi:10.1111/j.1478-4408.1985.tb03737.x

Cited by 248 publications

(148 citation statements)

References 46 publications

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“…Assuming the dark site as a black paint that is completely absorbing the incident radiation penetrating the interface (R b P = 0), a good estimation of R b V can be obtained by R black UC (λ ) [25], while R i P is estimated by R black C (λ ) (see Eq. (1)).…”

Section: Measurement/estimation Of the Parameters Of The Modelmentioning

confidence: 99%

Experimental study on merits of virtual cleaning of paintings with aged varnish

Trumpy¹,

Conover²,

Simonot³

et al. 2015

Opt. Express

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Abstract:To assess the accuracy of virtual cleaning of Old Master paintings (i.e. digital removal of discolored varnishes), a physical model was developed and experimentally tested using reflectance imaging spectroscopy on three paintings undergoing conservation treatment. The model predicts the reflectance spectra of the painting without varnish or after application of a new varnish from the reflectances of the painting with the aged varnish, given the absorption of the aged varnish and the scattering terms. The resulting color differences between the painting actually and virtually cleaned can approach the perceivable limit. Residual discrepancies are ascribable to spatial variations in the characteristics of the aged varnish (scattering, optical thickness) and the exposed painting (surface roughness). #253141Received 5

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Section: Measurement/estimation Of the Parameters Of The Modelmentioning

confidence: 99%

Experimental study on merits of virtual cleaning of paintings with aged varnish

Trumpy¹,

Conover²,

Simonot³

et al. 2015

Opt. Express

View full text Add to dashboard Cite

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“…Lastly, anisotropy of the propagating fluxes is a main concern of the Kubelka-Munk theory. Nobbs [87] …”

Section: Saunderson Correction In Transmittance Modementioning

confidence: 99%

Fundamentals of Optics and Radiometry for Color Reproduction

Hébert

Hersch

Emmel³

2014

Handbook of Digital Imaging

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Visual appearance of objects comes from the interpretation by the human visual system of a light signal issued from the objects. Describing or predicting appearance is therefore a question of light and requires notions about light propagation and measurement. In this paper, we introduce basic laws of optics, the science of light, and radiometry, the science of light measurement, in the context of colored surfaces. We address light spectrum and illuminants, polarization, notions of reflectance and transmittance based on radiometric definitions, gloss, absorption, scattering, fluorescence and models for light reflection and transmission by flat and rough surfaces, by slabs of nonscattering media and diffusing layers. Throughout the paper, we present the most current methods to assess the different physical quantities by measurement.

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“…However, it has been shown that these parameters are actually interdependent. 11,12 Before considering the issue of the interdependence of the K and S coefficients and its impact on the prediction of reflectance spectra, let us review the actual equations 10 allowing one to compute a sample reflectance R and transmittance T for each wavelength separately,…”

Section: Fundamentals Of the Proposed Approachmentioning

confidence: 99%