Influence of Temperature and Humidity on Typographic and Colorimetric Properties of Ink Jet Prints

Rat, Blaž; Možina, Klementina; Bračko, Sabina; Podlešek, Anja

doi:10.2352/j.imagingsci.technol.2011.55.5.050607

Cited by 8 publications

(9 citation statements)

References 12 publications

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“…[7][8][9][10][11][12][13][14][15][16] Wilhelm et al [17][18][19] have explained in detail image permanence studies for prints, and have also analyzed the effect of temperature, humidity, illumination, and air pollutants on the light stability. Rat et al 20 have investigated the colorimetric properties of heat and moisture-treated prints to ensure information permanence under different illuminant conditions. According to many studies, the relative gamut volume change of prints on paper due to the influence of light can be expressed as a single number thus conveniently quantifying the process of dye fading.…”

Section: Related Workmentioning

confidence: 99%

Artificial neural network approach to predict the lightfastness of gravure prints on the plastic film

Mandal

Bandyopadhyay

2020

Color Research & Application

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The lightfastness of prints is an important property for assessing their print stability. The objective of this study is to determine the lightfastness rate of printed films due to long‐time exposure by applying artificial neural network (ANN). Package printing is gradually becoming extremely important because its color and quality increase the marketability of the product. Sometimes it has been observed that the initial print quality is bright and attractive. However, with time, it degrades the exposure of light, water, or other external parameters. Thus, it reduces the marketability if its color degrades before its expiration. Therefore, the lightfastness of prints may be considered for the authenticity or validity of the product. The plastic film substrate is chosen because it has extensive usage in food and other packaging industries. The samples printed in the gravure process are exposed in artificial lightfastness tester BGD 865/A Bench Xenon Test Chamber (B‐SUN) for assessing the lightfastness of prints. The ocean optics spectroradiometer (DH2000BAL) is used to measure the spectrophotometric properties of prints before and after exposure. The obtained reflectance spectra are modeled by applying an ANN technique that is proposed to predict the fading rate of the printed film. The optimal model gives excellent prediction with the minimum mean square error for each color and a correlation coefficient of 0.80 to 0.99. ANN model and a Regression model (assuming first‐order kinetic equation) are compared for predicting the lightfastness properties of prints. The results show that the ANN has better prediction capability than the regression model.

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Section: Related Workmentioning

confidence: 99%

Artificial neural network approach to predict the lightfastness of gravure prints on the plastic film

Mandal

Bandyopadhyay

2020

Color Research & Application

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“…The fading behavior of prints due to aging has been characterized by analyzing visible and FT-IR spectroscopy. 17,18 Rat et al 19 have examined the colorimetric and typographic properties of heat-and moisture-treated prints. The relative gamut volume change of prints on paper during aging can be expressed as a single number, thus conveniently quantifying the process of dye fading.…”

Section: Related Workmentioning

confidence: 99%

Study of the lightfastness properties of prints on blister foils by spectral reflectance

Mandal

Bandyopadhyay²

2019

Color Research & Application

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This study describes the lightfastness properties of printed foil samples due to long-time exposure. Lightfastness is an important property for any kind of print products to assess their print stability. The fastness properties of prints can be described in terms of print durability and image stability. It may also be used for verification of printed expiry date and authenticity or validity of the product. Moreover, any kind of deterioration in package print quality will affect the product's sale adversely. Little work has been conducted to study the fastness properties of printed films and foils. In this work, blister foils printed in the gravure printing process have been taken as the sample as they have extensive usage in food and medicine packaging. An artificial lightfastness tester BGD 865/A Bench Xenon Test Chamber (B-SUN) is used to study the light fastness of Cyan, Magenta, Yellow, and Black inks on the foil. The spectral curves and colorimetric values are measured using an Ocean Optics Spectroradiometer (DH2000BAL) before and after exposure. A kinetic model is proposed to predict the fading rate of the printed foil. The optimal model has given excellent prediction with a correlation coefficient of 0.90 to 0.93 for Cyan, Magenta, Yellow, and Black prints, respectively. The largest color difference ΔE 00 is achieved for Yellow print followed by Magenta. Cyan and Black prints have shown small changes with time when the gravure prints are exposed to the artificial aging chamber. K E Y W O R D S

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“…There are some typographic characteristics to be observed to make a text more legible. For a small type size, it is known that the differences in stroke weight and typographic tonal density (TTD) are significant [9,10], since they influence text legibility. Furthermore, a number of other typographic characteristics needs to be observed in order to make a text more legible, i.e.…”

Section: -Introductionmentioning

confidence: 99%

Impact of Typeface and Colour Combinations on LCD Display Legibility

2020

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The evolution of high resolution displays, especially liquid crystal displays (LCD), which are among the most commonly used ones, has contributed to a larger number of display readers. Regardless of high resolutions, problems in the legibility of typefaces still occur. Many typefaces may well be readable in print, but cause more difficulties when being read on displays. The aim of this study was to examine the influence of colour contrast on the legibility on LCDs to establish which type style is appropriate for a coloured text to be legible. Two different typefaces specially designed for display use were tested in a satisfactory light-dark contrast of five different colour combinations. The reading speed and fixations were analysed with an eye-tracking device Tobii 120X. Different texts were displayed on an LCD display. The results showed that the selection of a particular colour combination and contrast greatly affects the reading speed and legibility. Less visible colour combinations of text and background were read more slowly than the more contrasting or visible ones in both typefaces. At both typefaces, it was seen that at a slower reading speed, more fixations were needed and vice-versa. A transitional typeface gave a faster reading speed than a sans-serif typeface. An appropriate contrast, colour combination and used typography can facilitate legibility on displays. Doi: 10.28991/esj-2020-01243 Full Text: PDF

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Influence of Temperature and Humidity on Typographic and Colorimetric Properties of Ink Jet Prints

Cited by 8 publications

References 12 publications

Artificial neural network approach to predict the lightfastness of gravure prints on the plastic film

Artificial neural network approach to predict the lightfastness of gravure prints on the plastic film

Study of the lightfastness properties of prints on blister foils by spectral reflectance

Impact of Typeface and Colour Combinations on LCD Display Legibility

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