Effect of color on some geometric attributes of visual appearance of non-effect coatings

Mohammadalizadeh, Ali; Ameri, Farhad; Moradian, Siamak; Mirjalili, Fereshteh

doi:10.1007/s11998-019-00315-1

Cited by 4 publications

(5 citation statements)

References 31 publications

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“…Taking into account a tolerance limit of 10% for the error, it is concluded that the specular gloss at 60°can be predicted with acceptable accuracy from DY SCI-SCE obtained in a d:8°measurement geometry. This result was in full agreement with the findings of our previous research, which showed that the 60°geometry is much more efficient than 20°and 85°measuring geometries in the range of full matt to full glossy and is similar to human performance in assessing gloss attribute [8].…”

Section: Resultssupporting

confidence: 92%

“…The NCS Gloss Scale is a standardized way specifically designed to measure and classify the gloss levels of different colors [1]. Following that, the estimation model was put to the test using a distinct dataset consisting of 32 randomly selected solid-coated samples, as described in reference [8]. In this case, tinplate substrates measuring 10 by 20 centimeters were employed.…”

Section: Methodsmentioning

confidence: 99%

“…Specular gloss can be estimated using a gloss meter, which measures light reflected off the surface at a specific angle, usually 20°, 60°, or 85°expressed as gloss units (GU) [4,6,7]. Ameri et al demonstrated that the 60°g eometry is more efficient than the 20°and 85°measuring geometries in the range of full matt to full glossy, and is comparable to human performance in assessing gloss attributes [8,9].…”

Section: Introductionmentioning

confidence: 99%

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Specular gloss estimation by measuring the colorimetric data produced by a reflection measurement at 8° of incidence

Safi,

Ameri,

Ansari

2023

Phys. Scr.

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This paper presents an experimental investigation into the estimation of specular gloss from the colorimetric data. The 28 samples were selected from the Natural Color System (NCS) gloss scale, which had different combinations of lightness and gloss levels. The samples’ spectral reflectance and colorimetric data Y and L* were measured by a d:8° geometry reflectance spectrophotometer in both SCE (Specular Component Excluded) and SCI (Specular Component Included) modes. Additionally, the specular gloss of the samples at three common angles 20◦, 60◦, and 85◦ was measured using a gloss meter. The correlation and relationship between DYSCI-SCE and DL*SCI-SCE and the specular gloss values measured for the samples at different angles were evaluated and analyzed with linear and second-polynomial regression functions. The results were validated with a different set of data acquired from 32 random solid-coated samples. The results showed the best fitting was achieved at 60◦ of gloss measurement with a second-polynomial function. As the specular gloss of DY decreased, like in a matt sample, the estimation error of specular gloss increased with a large error of over 10%.

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Section: Resultssupporting

confidence: 92%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Specular gloss estimation by measuring the colorimetric data produced by a reflection measurement at 8° of incidence

Safi,

Ameri,

Ansari

2023

Phys. Scr.

Self Cite

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“…If the result is more than 70, it is measured again at the 20° geometry, and if it is less than 10, the measurement should be made at the 85° geometry. Despite the lack of proper relationship between measured and visually perceived gloss demonstrated in several research works [8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23], glossmeters are extensively utilized to evaluate gloss in industries.…”

Section: Introductionmentioning

confidence: 99%

“…Despite the lack of proper relationship between measured and visually perceived gloss demonstrated in several research works [8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23], glossmeters are extensively utilized to evaluate gloss in industries.…”

Section: Introductionmentioning

confidence: 99%

Development of a perceptually uniform physical scale for visual assessment of specular gloss

Mohammadalizadeh¹,

Mirjalili²,

Ameri³

et al. 2021

Phys. Scr.

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Measuring gloss, visually or instrumentally, has been a challenge in many manufacturing and service industries. However, there exists no standardized method for visual evaluation of equidistance specular gloss. This study aimed to design and prepare a psychometric visually equispaced specular gloss scale for the visual measurement of gloss or any other geometric appearance attribute. To this end, a series of lithographically printed black papers, with different levels of gloss from low to high, were prepared to constitute a visually uniform specular gloss scale. Fourteen observers visually quantified the scale in a unidirectional illumination at three different geometries. Analyzing the results shows that the 60° geometry can quantify the equivalent specular gloss efficiently. A uniform specular gloss scale was prepared by assessing the prepared scale visually under the unidirectional illumination at the 60° geometry. Such a visually uniform specular gloss scale could be employed to develop a standard visual evaluation method of specular gloss in all related industries.

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Impact of surface texture from fine to coarse on perceptual and instrumental gloss

Kandi

Panahi²,

Zoghi³

2022

Progress in Organic Coatings

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Effect of color on some geometric attributes of visual appearance of non-effect coatings

Cited by 4 publications

References 31 publications

Specular gloss estimation by measuring the colorimetric data produced by a reflection measurement at 8° of incidence

Specular gloss estimation by measuring the colorimetric data produced by a reflection measurement at 8° of incidence

Development of a perceptually uniform physical scale for visual assessment of specular gloss

Impact of surface texture from fine to coarse on perceptual and instrumental gloss

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