Color difference
Evaluation of Color Difference, Whiteness, and Luster of Multifilament Polyester Woven Fabrics
... the color difference, whiteness, and luster of multifilament polyester woven fabrics based on weave pattern, weft density, dye concentration, and interaction between super bright warp yarns and semi dull ...
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Effect of Lighting Variability on the Color Difference Assessment
... Most of the modern color difference equations assume that the ellipses near the achromatic axis are circle which is not the case and therefore, we get poor fit. Rescaling of a*-axis was done so that the ...
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Investigating the Role of Texture on Visual and Instrumental Color Difference Assessments.
... computer-driven color monitors, but in that case, the surround, illumination, and spatial factors of the viewing field must be carefully arranged such that the set up will simulate the similar conditions in the ...
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Color difference formula and uniform color space modeling and evaluation
... visual color-difference experiments were performed following the CIE guidelines on color-difference formula research [Robertson, 1978], [Witt, ...well-sampled color centers in ...
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Effects of JPEG Compression on Reading Optical Watermarking Embedded by Using Color Difference Modulation
... There are various ways of producing optical watermarking; Figure 2 illu- strates one of them. YCbCr (Y: luminance, Cb: chroma-blue, Cr: chroma-red) signal is used and among them the Cb component (a color ...
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Fuzzy Statistical Process Control of a Calcite Grinding Plant Using Total Color Difference Parameter (Δ E)
... the color reading of the feed sample used as the reference, and a larger ΔE indicates greater color change from the reference sample ...a color, whilst a* and b* are coordinates on the red–green and ...
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Uniform color spaces based on CIECAM02 and IPT color difference equations
... XYZ color space is based on measurements of the human visual ...XYZ color space is not a uniform color ...uniform color space. 9,12 CIE developed CIELAB color space in ...CIELAB ...
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The relationship between average color difference and 3-channel colorimetric quality factor for a simple additive color system
... of responses linear or blue given the human color and lights colors in green, blue to is yellow any required information processes separation and red, CMF, color system, magenta, For mat[r] ...
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Effects of texture on color difference evaluation of surface color
... Cumulative f-test directional vs 82 and uniform stimuli 83 increase in hue tolerance thresholds texture pattern 85 pattern stimuli pairwise comparisons of diffuse texture stimuli for lig[r] ...
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Edge Adaptive Color Demosaicking Based on the Spatial Correlation of the Bayer Color Difference
... Zhang found the edge direction based on the Fisher’s linear discriminant so that the chance of the misclassification of each pixel is minimized [20]. Hirakawa and Parks proposed a homogeneity map-based estimation ...
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Visual determination of industrial color-difference tolerances using probit analysis
... sample pairs was our tion lor tion the for to for performed in occurred color be the with By vector concentration of locate small test we the tailor insure that change undergoing this po[r] ...
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Kinetics of Reshteh Khoshkar Color Changes During Atmospheric and Vacuum Deep-fat Frying
... of color changes during atmospheric and vacuum deep fat frying of Reshteh Khoshkar has been ...Hunter color parameters redness, yellowness, lightness and total color difference were used to ...
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A case study in off-line quality control: Characterization and optimization of batch dyeing process design
... batch dyeing process. Briefly stated, these objectives are: 1) Minimize color difference from target, 2) Maximize color uniformity within a piece of fabric, and 3) Minimize color variati[r] ...
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Luminous Intensity for Traffic Signals: A Scientific Basis for Performance Specifications
... The luminance of the large vertical surface, which is assumed to simulate the sky, was set to 5000 cd/m 2 in the area containing the tracking task and the signal apertures. This value is similar to the luminance used by ...
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Wavelet-based color modification detection based on variance ratio
... exploit color channel correlations, because the high-frequency information in color channels is highly cross-correlated in natural color ...and color difference ...novel color ...
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Estimation of Bayer CFA pattern configuration based on singular value decomposition
... one color per pixel through the color filter ...a color filter array is changed when the image is manipulated or forged, this pattern change can be a clue to detect image ...the color filter ...
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Image Compression Using Bayer Color Filter Array Technique
... the color image coefficient and its compression is the major problem in today’s current image capturing and compression in camera ...Bayer color filter array image is proposed in this paper. It divides the ...
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Alternative Washing of Cotton Denim Fabrics by Natural Agents
... Index, Color Difference, Reflectance Value and Color strength in the washed ...less color difference values than the samples washed by synthetic ...
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A Research of Image Difference Algorithm Based on the Correlation of Color Attributes
... on color differences is to use numeral values to evaluate color differences between two ...easy-to-use color industrial applications, CIE recommended two color difference formulas: ...
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The Study of using the banded anilox roller for color matching in flexography
... This color the proofing focused under actually The color difference same color on the should be AE actually be line ink standards of in the of and color communication for among specific [r] ...
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