Gloss and Goniophotometric Curves of Woven Fabrics

Nihira, Koji; Tsuboi, Tsuneyo; Gunji, Toshihiro

doi:10.4188/jte1955.26.21

Cited by 5 publications

(3 citation statements)

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“…The results show the well‐known problem in matching colour between different media. Particularly, for Method 2 conducted in this study, the difference in colour perceived is not only because of the media or the viewing conditions, it is also because of the texture of the samples that impart some variations in the final colour appearance [19,20]. Nevertheless, the visual assessments tracked the colour differences of the measured values reasonably well; that is, there was a bias in Δ E that could be incorporated into a model.…”

Section: Resultsmentioning

confidence: 97%

Towards automation of colour/weave selection in Jacquard designs: model verification through visual assessment

Mathur

Seyam

Hinks

et al. 2008

Coloration Technology

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A geometric model combined with a colour model to predict the colour contribution of each pre‐coloured yarn in terms of colour attributes of each area of a Jacquard pattern was developed. To validate the predicted calculations (colorimetric data), a visual assessment experiment was conducted to evaluate the difference between predicted and the actual colour appearance of the woven pattern. The results from the psychophysical evaluation of the woven samples and their predicted colour values showed high correlation between the predicted and experimental data. Therefore, the model has potential to eliminate subjective evaluations and reduce prototype sample production by automating the process of weave/colour simulation.

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Section: Resultsmentioning

confidence: 97%

Towards automation of colour/weave selection in Jacquard designs: model verification through visual assessment

Mathur

Seyam

Hinks

et al. 2008

Coloration Technology

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“…They determined a relation based on the theory of light passing through two colored filters, which held well for 50:50 fiber blends (Equation14). …”

mentioning

confidence: 99%

Prediction of Color Attributes Through Geometrical Modeling

Mathur

Seyam

Hinks

et al. 2008

Research Journal of Textile and Apparel

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Today, Jacquard woven fabric producers are able to digitally control each warp yarn individually, pre-program the variable pick density and speed for each filling yarn, and automatically change a pattern without stopping the weaving process. Jacquard CAD systems dramatically reduce the time to produce fabric from the artwork or target design The process of weave/color selection for each area of the pattern is, however, still highly dependent on the CAD system operator who works from a particular color gamut. Multiple weaving trials are required to get a sample that matches the original artwork since the process requires the designer‘s subjective evaluation. The lack of automatic selection of weaves/color matching prompts this research. This paper addresses the development of a geometric model for predicting the color contribution of each warp and filling yarn on the fabric surface in terms of construction parameters. The combination of geometric modeling and existing color mixing equations enables the prediction of the final color of different areas of a Jacquard pattern. The model was verified experimentally and a close agreement was found between a color mixing equation and the experimental measurements.

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“…Previous descriptions [ 1, 3, 9-10] ] of its three-dimensional charatter have illustrated this mathematical complexity. There has been little work published about the specular reflection of knitted fabrics based on surface geometry, although prior work has reported specular reflection from plain-woven fabrics [6][7][8]. In earlier work, we reported a general method of relating specular reflection to the surface geometry of three-dimensional yams in textile structures [ 11 ] .…”

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confidence: 99%

A Three-Dimensional Analysis of Specular Reflection from Single-Jersey Knitted Fabrics

Tao

Asemlert

1999

Textile Research Journal

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This paper presents a mathematical model for calculating specular reflection of sin gle-jersey knitted fabrics using a three-dimensional analysis. A computer simulation program based on the model is developed to generate goniophotometric curves using Cartesian coordinates and Euler angles derived from the geometry of a knitted loop. Two correction factors are introduced by taking into consideration the sensor and sam ple geometry. The theoretical work is verified with a black monofilament yam with nine different values of tilted and rotated angles and two black single-jersey knitted fabrics made from monofilament yams. There is good agreement between the simulated and measured curves for both cases.

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Gloss and Goniophotometric Curves of Woven Fabrics

Cited by 5 publications

References 0 publications

Towards automation of colour/weave selection in Jacquard designs: model verification through visual assessment

Towards automation of colour/weave selection in Jacquard designs: model verification through visual assessment

Prediction of Color Attributes Through Geometrical Modeling

A Three-Dimensional Analysis of Specular Reflection from Single-Jersey Knitted Fabrics

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