Predicting the Reflectance of Paper Dyed with Ink Mixtures by Describing Light Scattering as a Function of Ink Absorbance

Rousselle, Fabrice; Hébert, Mathieu; Hersch, Roger D.

doi:10.2352/j.imagingsci.technol.2010.54.5.050501

Cited by 6 publications

(4 citation statements)

References 16 publications

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“…Particular concerns include the fact that it does not work well for systems such as dyed paper and the interpretation of the physical meaning of the K‐M coefficients. The theory therefore continues to receive considerable attention in the form of modifications, and several more general approaches to the radiative transfer problem (based on four‐flux and multi‐flux models) have been developed 22–28. Moreover, the exponential rise of available computational resources in the past 40 years has also rekindled an interest in directly relating microstructural properties of individual or groups of particles to the optical behavior of coatings containing those particles.…”

Section: From Particle To Property and Back Again: A Literature Rementioning

confidence: 99%

The histone deacetylase inhibitor LBH589 inhibits expression of mitotic genes causing G2/M arrest and cell death in head and neck squamous cell carcinoma cell lines

Prystowsky

Adomako

Smith

et al. 2009

The Journal of Pathology

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Head and neck squamous cell carcinoma represents a complex set of neoplasms arising in diverse anatomical locations. The site and stage of the cancer determine whether patients will be treated with single or multi-modality therapy. The HDAC inhibitor LBH589 is effective in treating some haematological neoplasms and shows promise for certain epithelial neoplasms. As with other human cancer cell lines, LBH589 causes up-regulation of p21, G2/M cell cycle arrest, and cell death of human HNSCC cell lines, as measured using flow cytometry and cDNA microarrays. Global RNA expression studies following treatment of the HNSCC cell line FaDu with LBH589 reveal down-regulation of genes required for chromosome congression and segregation (SMC2L1), sister chromatid cohesion (DDX11), and kinetochore structure (CENP-A, CENP-F, and CENP-M); these LBH589-induced changes in gene expression coupled with the down-regulation of MYC and BIRC5 (survivin) provide a plausible explanation for the early mitotic arrest and cell death observed. When LBH589-induced changes in gene expression were compared with gene expression profiles of 41 primary HNSCC samples, many of the genes that were down-regulated by LBH589 showed increased expression in primary HNSCC, suggesting that some patients with HNSCC may respond to treatment with LBH589.

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Section: From Particle To Property and Back Again: A Literature Rementioning

confidence: 99%

The histone deacetylase inhibitor LBH589 inhibits expression of mitotic genes causing G2/M arrest and cell death in head and neck squamous cell carcinoma cell lines

Prystowsky

Adomako

Smith

et al. 2009

The Journal of Pathology

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“…26 enable writing the following equations: Since the layer is bounded by air at its two sides, the two internal interface reflectances are: The K and S values for which accurate predictions may be expected from the model is often discussed. In many cases, in particular when the concentration in either absorbing particles or scattering particles is increases, the other one remaining constant, one observes that both K and S parameters vary, whereas only one of them should vary [86]. This leads to the conclusion that the two coefficients are interdependent.…”

Section: Saunderson Correction In Transmittance Modementioning

confidence: 80%

Fundamentals of Optics and Radiometry for Color Reproduction

Hébert

Hersch

Emmel³

2014

Handbook of Digital Imaging

Self Cite

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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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“…They then incorporated the Neugebauer model to create a new prediction model that explains light scattering in printing and ink diffusion [11]. Yang and Kruse [12] revised the K-M model to describe systems composed of absorption-dominant and scattering-dominant materials, such as a mixture of ink and paper, and Rouselle et al [13] used the K-M model to predict the reflectance of paper printed with a combination of two primary inks. Conversely, other studies have focused on predicting primary ink composition using reflectance information [14,15].…”

Section: Related Workmentioning

confidence: 99%

A Study on DNN-Based Practical Model for Predicting Spot Color

Moon,

Yang,

Tae

2023

Applied Sciences

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The color of product packaging plays an important role in brand awareness and consistency. Given the importance of consistent color reproduction, the use of standardized spot colors is essential. However, the reproduction of specific spot colors in offset packaging printing involves additional processes and costs. This study presents an efficient approach to predict the color result of spot color inks in the packaging printing industry, using only the amount of ink involved in the mixing process as an input. Using a neural network-based model, our approach uses the CIEDE2000 color difference formula as a loss function to accurately estimate the final color. This method provides a simplified alternative to traditional color mixing techniques, which often involve subjective judgment and can be resource-intensive. Particularly beneficial for smaller companies, our approach reduces the complexity and cost associated with achieving accurate spot colors. The significance of this work lies in its practical application, providing a simpler, more objective and cost-effective solution for consistent color reproduction in packaging printing.

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Predicting the Reflectance of Paper Dyed with Ink Mixtures by Describing Light Scattering as a Function of Ink Absorbance

Cited by 6 publications

References 16 publications

The histone deacetylase inhibitor LBH589 inhibits expression of mitotic genes causing G2/M arrest and cell death in head and neck squamous cell carcinoma cell lines

The histone deacetylase inhibitor LBH589 inhibits expression of mitotic genes causing G2/M arrest and cell death in head and neck squamous cell carcinoma cell lines

Fundamentals of Optics and Radiometry for Color Reproduction

A Study on DNN-Based Practical Model for Predicting Spot Color

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