Publications related to Structure artifact free multi-level error diffusion algorithm

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Spectral reflection and dot surface prediction models for color halftone prints

Roger Hersch, Patrick Emmel, Frédérique Crété

The proposed new spectral reflection model enhances the classical Clapper-Yule model by taking into account the fact that proportionally more incident light through a given colorant surface is reflected back onto the same colorant surface than onto other c ...

2005

Modeling ink spreading for color prediction

Roger Hersch, Patrick Emmel

This study aims at modeling ink spreading in order to improve the prediction of the reflection spectra of three ink color prints. Ink spreading is a kind of dot gain which causes significant color deviations in ink jet printing. We have developed an ink sp ...

Soc. Imaging Sci. & Technol2002

Prediction of the Reflection Spectra of Three Ink Colour Prints

Roger Hersch, Patrick Emmel

We have developed a colour prediction model and an ink-spreading model. The present study aims at confirming the validity of both models for the case of ink-jet prints using cyan, magenta and yellow inks. Our colour prediction model, augmented by the ink-j ...

Society for Imaging Science and Technology2001

Predicting transmittance spectra of electrophotographic color prints

Roger Hersch, Patrick Emmel, Safer Mourad

For dry toner electrophotographic color printers, we present a numerical simulation model describing the color printer response based on a physical characterization of the different electrophotographic process steps. The proposed model introduces a Cross T ...

Society of Photo-Optical Instrumentation Engineers2001

Predicting Monochrome Color Transmittance Spectra of Electrophotographic Prints

Roger Hersch, Patrick Emmel, Safer Mourad

We create a computer based numerical model to predict the color spectra of printed patches on dry toner electrophotographic printers. The goal of this research is to obtain a simplified model describing the input-output behavior of the printers based on th ...

Society for Imaging Science and Technology2000

Exploring ink spreading

Roger Hersch, Patrick Emmel

This study aims at exploring ink spreading, which causes significant colour deviations in ink-jet printing. We present a method for investigating this phenomenon by considering only a limited number of cases. Using a combinatorial approach based on Polya's ...

Society for Imaging Science and Technology2000

Predicting the spectral behaviour of colour printers for transparent inks on transparent support

Roger Hersch, Isaac Amidror, Patrick Emmel

A spectral colour prediction model is proposed and applied to an ink jet printer. We limit the field of investigation to transparent inks printed on a transparent substrate. The proposed method is based on the computation of the transmittance spectra of co ...

Society for Imaging Science and Technology1996

Grid-based method for predicting the behaviour of colour printers

Roger Hersch, Patrick Emmel

A new grid-based method is proposed for predicting the behaviour of colour printers. The method takes into account the varying density of dots as well as the light diffusion in the paper by defining at different intensity levels different colorimetric valu ...

Soc Imaging Sci Technol, Springfield, VA, USA1995

Structure artifact free multi-level error diffusion algorithm

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Spectral reflection and dot surface prediction models for color halftone prints

Modeling ink spreading for color prediction

Prediction of the Reflection Spectra of Three Ink Colour Prints

Predicting transmittance spectra of electrophotographic color prints

Predicting Monochrome Color Transmittance Spectra of Electrophotographic Prints

Exploring ink spreading

A Unified model for color prediction of halftoned prints

Modèles de prédiction couleur appliqués à l'impression jet d'encre

Predicting the spectral behaviour of colour printers for transparent inks on transparent support

Grid-based method for predicting the behaviour of colour printers

Spectral reflection and dot surface prediction models for color halftone prints

Modeling ink spreading for color prediction

Prediction of the Reflection Spectra of Three Ink Colour Prints

Modèles de prédiction couleur appliqués à l'impression jet d'encre

A Unified model for color prediction of halftoned prints

Predicting transmittance spectra of electrophotographic color prints

Predicting Monochrome Color Transmittance Spectra of Electrophotographic Prints

Grid-based method for predicting the behaviour of colour printers

Exploring ink spreading

Predicting the spectral behaviour of colour printers for transparent inks on transparent support