Colour Measurement Science and Colorimetry
category
Colour measurement science in textiles applies CIE colorimetry, spectrophotometric instrumentation, colour difference formulae, and visual assessment correlation methods to objectively quantify, specify, and communicate the colour of dyed and printed textiles in a manner that predicts visual colour perception and enables instrumental colour matching, quality grading, and process control.
Role
Provides the scientific and metrological foundation for objective colour communication, recipe prediction, quality control, and commercial colour specification in textile dyeing and printing, replacing subjective visual judgment with quantitative colorimetric data that enables global supply chain colour consistency management and reduces costly colour approval iterations.
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Subtopics
- CIE Colorimetry and CIELAB Colour Space in Textiles CIE tristimulus values XYZ calculated from spectral reflectance data using standard observer colour …
- Colour Difference Formulae and Acceptability Limits CIE 2000 colour difference formula CIEDE2000 applies parametric weighting functions to CIELAB coordi…
- Metamerism Assessment and Illuminant Dependency Metamerism index calculation quantifies the degree to which two textile specimens with visually matc…
- Spectrophotometer Calibration and Inter-Instrument Agreement Spectrophotometer calibration uses standard white ceramic tiles and grey scale tiles traceable to na…
- Computer Colour Matching and Recipe Prediction Computer colour matching software applies Kubelka-Munk two-flux optical theory to model reflectance …
- Visual Colour Assessment and Grey Scale Grading Visual colour assessment using ISO 105-A02 grey scale for colour change and A03 grey scale for stain…
- Fluorescence Measurement in Optically Brightened Textiles Spectrophotometric measurement of optically brightened textiles requires UV-calibrated instruments w…
- Whiteness and Yellowness Indices for Textile Substrates CIE whiteness index calculated from CIE tristimulus values under D65 illuminant and CIE 1964 supplem…
- Goniophotometry and Goniochromatic Textile Measurement Goniophotometric measurement of textile surface colour at multiple illumination and viewing angle co…
- Digital Image Analysis for Textile Colour Uniformity Digital image analysis of textile colour uniformity captures calibrated RGB or multispectral images …