## Light scattering and ink penetration effects on tone reproduction (2001)

Venue: | J. Opt. Soc. Am. A |

Citations: | 9 - 1 self |

### Citations

60 |
The penetration of light into paper and its effect on halftone reproduction
- Yule, Nielsen
- 1951
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Citation Context ...the tristimulus values of the ink and the paper. Although they are conceptually correct it was soon clear that they gave only inaccurate descriptions of experimental results. In 1951 Yule and Nielsen =-=[3]-=- interpreted the discrepancy as the result of light penetration and scattering in the paper substrate. This is now known as the Yule-Nielsen effect. This led to a modification of the Murray-Davis form... |

57 |
Die theoretischen grundlagen des mehrfarbendrucks. Zeitschrift für wissenschaftliche Photographie, Photophysik und Photochemie
- Neugebauer
- 1937
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Citation Context ...rance of the reproduced image. The attempt to explain the properties of the printed image in terms of these properties led in the late 30’s to the MurrayDavis formula [1] and the Neugebauer Equations =-=[2]-=-. The Murray-Davies formula (Eq. (1)) describes the reflectance Ê of the image as a whole as a linear combination of the reflectance Ê� of the ink-dots and the reflectance ÊÔ of the bare paper. The we... |

19 |
Yule–Nielsen effect in printing: a physical analysis
- Ruckdeschel, Hauser
- 1978
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Citation Context ...Ò is usually obtained by fitting the experimental data (such as optical density). This provides a numerical approximation but no physical insight into the real process. In 1978 Ruchdeschel and Hauser =-=[5]-=- obtained with an estimation of the exponent Ò in terms of point spread function (PSF) describing the scattering of light in paper. The study showed that � Ò � , but there is also experimental evidenc... |

17 |
Monochrome reproduction in photoengraving
- Murray
(Show Context)
Citation Context ...raction determine the color appearance of the reproduced image. The attempt to explain the properties of the printed image in terms of these properties led in the late 30’s to the MurrayDavis formula =-=[1]-=- and the Neugebauer Equations [2]. The Murray-Davies formula (Eq. (1)) describes the reflectance Ê of the image as a whole as a linear combination of the reflectance Ê� of the ink-dots and the reflect... |

16 |
A Probability Description of the Yule-Nielsen Effect I
- Arney
- 1997
(Show Context)
Citation Context ...t of ink penetration (into the substrate) has barely been touched and no explicit expression of the tristimulus values as functions of dot percentage � (as in Neugebauer Equations) has been given. In =-=[11, 12]-=- Arney et. al. extended the probability model which was originally introduced by Huntsman [13] to take into account the effects of optical dot gain and ink pene(3)sΣ 2 Σ 1 Figure 1: Overview over the ... |

14 |
An expanded Murray-Davies Model of Tone Reproduction
- Arney, Engeldrum, et al.
(Show Context)
Citation Context ... are no longer constants as they were assumed in Murray-Davis Equation, as soon as light scattering has to be taken into account. This result is in line with previous work by Arney and his colleagues =-=[17]-=-. 2. In the case where Ô is independent of the dot coverage �, Ê� and ÊÔ, vary linearly with �. In the other words, the non-linearity of ÊÔ and Ê� with respect to � provides information about the �-de... |

12 | Color gamut of halftone reproduction
- Gustavson
- 1997
(Show Context)
Citation Context ...t the exponent Ò itself may depend on �, especially in the case where � � � . Recently, the Yule-Nielsen effect has been further studied using numerical, probability and analytical methods. Gustavson =-=[6, 7]-=- investigated the Yule-Nielsen effect by direct numerical simulation of the scattering events which depend on the optical properties of the materials, the halftone frequency and the halftone geometry.... |

9 |
Computation of Dot Areas Required to Match a Colorimetrically Speci fied Color Using the Modified Neugebauer Equations
- Pobboravsky, Pearson
- 1972
(Show Context)
Citation Context ...wn as the Yule-Nielsen effect. This led to a modification of the Murray-Davis formula which was replaced by Ê ��Ê Ò � � Ê Ò Ôs� ℄ Ò A similar change was also adopted for the Neugebauer Equations (see =-=[4]-=-). The exponent Ò is usually obtained by fitting the experimental data (such as optical density). This provides a numerical approximation but no physical insight into the real process. In 1978 Ruchdes... |

9 |
Effect of light scatter on halftone color
- Rogers
- 1998
(Show Context)
Citation Context ...cattering process in the case of existing no ink penetration and he proposed a matrix approach where the tristimulus values of a halftone image are calculated as the trace of a product of two matrices=-=[16, 8, 9, 10]-=-. In these studies the effect of ink penetration (into the substrate) has barely been touched and no explicit expression of the tristimulus values as functions of dot percentage � (as in Neugebauer Eq... |

9 |
Optical dot gain: Lateral scattering probabilities," The Journal of imaging science
- Rogers
- 1998
(Show Context)
Citation Context ...cattering process in the case of existing no ink penetration and he proposed a matrix approach where the tristimulus values of a halftone image are calculated as the trace of a product of two matrices=-=[16, 8, 9, 10]-=-. In these studies the effect of ink penetration (into the substrate) has barely been touched and no explicit expression of the tristimulus values as functions of dot percentage � (as in Neugebauer Eq... |

8 |
Optical dot gain in a halftone print
- Rogers
(Show Context)
Citation Context ...cattering process in the case of existing no ink penetration and he proposed a matrix approach where the tristimulus values of a halftone image are calculated as the trace of a product of two matrices=-=[16, 8, 9, 10]-=-. In these studies the effect of ink penetration (into the substrate) has barely been touched and no explicit expression of the tristimulus values as functions of dot percentage � (as in Neugebauer Eq... |

7 |
Neugebauer revisited: Random dots in halftone screening
- Rogers
- 1998
(Show Context)
Citation Context |

3 |
new model of dot gain and its application to a multilayer color proof,J.Imaging.Sci.Technol.13
- Huntsman, A
- 1987
(Show Context)
Citation Context ...e tristimulus values as functions of dot percentage � (as in Neugebauer Equations) has been given. In [11, 12] Arney et. al. extended the probability model which was originally introduced by Huntsman =-=[13]-=- to take into account the effects of optical dot gain and ink pene(3)sΣ 2 Σ 1 Figure 1: Overview over the halftone image. The surface is subdivided into two groups: points under ink dots (¦ ) and betw... |

3 |
Optical Effects of Ink Spread and Penetration on Halftones Printed by Thermal Ink Jet
- Arney, Alber
- 1998
(Show Context)
Citation Context ... cost. However, as noticed by the authors themselves, the simple model of ink penetration overestimates the optical effect of scattering. Sometimes it leads to results which do not match expectations =-=[14]-=-. Recently we established a theoretical approach to account for the effect of ink penetration in which it is assumed that the substrate paper has been uniformly covered by ink layers [15]. In the pres... |

1 |
Ink penetration and its effects on printing,” Proceeding of SPIE-The International Society for Optical Engineering 3963
- Yang, Kruse
- 2000
(Show Context)
Citation Context ...expectations [14]. Recently we established a theoretical approach to account for the effect of ink penetration in which it is assumed that the substrate paper has been uniformly covered by ink layers =-=[15]-=-. In the present paper we generalize this by investigating halftone images where light scattering is important. In the next section, we describe a framework that includes both light scattering (Yule-N... |

1 |
A study in how the ink set, solid ink density and screening method influence the color gamut in four color process printing
- Andersson
- 1997
(Show Context)
Citation Context ...e, optical dot gain is a general phenomena in tone reproduction and can expect that they also hold for multi-chromatic tone reproduction. In multichromatic tone reproduction, experimental observation =-=[18]-=- and numerical simulation [6, 7] have shown that light scattering leads actually to a bigger color gamut. W 0 −W W 0 −W W 0 −W MD 0 10 20 30 40 50 60 70 80 90 100 Dot percentage, f (%) Figure 5: Schem... |