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Standards and Technical Documents - Colorimetry - Part 5: CIE 1976 L*u*v* Colour Space and u', v' Uniform Chromaticity Scale Diagram -- ISO 11664-5:2009(E)/CIE S 014-5/E:2009
Description: for calculating Euclidean distances in this space to represent the relative perceived magnitude of colour differences. It also specifies the method of calculating the coordinates of the u',v' uniform chromaticity scale diagram. The Standard is applicable to tristimulus values calculated usingShow More
Standards and Technical Documents - Organic light emitting diode (OLED) displays - Part 6-1: Measuring methods of optical and electro-optical parameters -- IEC 62341-6-1:2009
Description: ) dark room contrast ratio; c) chromaticity, colour uniformity, colour gamut and white field correlated colour temperature; d) power consumption.Show More
Supplier: RS Components, Ltd.
Description: lighting. The devices provide a wide viewing angle, unlimited floor life, uniform light output without secondary optics and electrically neutral thermal path. The MX-3 range also delivers increased light uniformity, uniform angular chromaticity and LED to LED colour consistency. . Drive current: 500mA
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Supplier: RS Components, Ltd.
Description: of damaged cable sheaths. Simple and easy to use. High-quality polyamide adhesive inner. Excellent shrinkage. Thermo-chromatic points (TCP) shrink indication. Good corrosion protection properties with excellent abrasion and weather resistance. High UV resistance. Halogen-free Sleeve Diameter = 43mm
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Standards and Technical Documents - Colorimetry -- Part 5: CIE 1976 L*u*v* Colour space and u', v' uniform chromaticity scale diagram -- ISO 11664-5:2009 (CIE S 014-5/E:2009)
Description: differences. It also specifies the method of calculating the coordinates of the u',v' uniform chromaticity scale diagram. ISO 11664-5:2009 is applicable to tristimulus values calculated using the colour-matching functions of the CIE 1931 standard colorimetric system or the CIE 1964 standardShow More
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Knight Optical (USA) LLC
additional colour correction by minimising chromatic aberration. AR coatings for NIR transmission between 450-900nm. Knight Optical offer a range of stock and bespoke cylindrical lenses to suit a variety of applications. Microscopy. Imaging. Interferometry/spectroscopy. Life sciences. Testing and measurement. Optical metrology. Laser scanning. Laser diode. Acousto optic. Optical processor applications. Contact our multilingual technical sales team and discover how Knight Optical 's high quality optical... (read more)
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AMETEK LAND EXTENDS SPOT PYROMETER RANGE
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Existence of two kinds of representations of the helmholtz‐kohlrausch effect. I. the experimental confirmation
Abstract In the representation of the Helmholtz‐Kohlrausch effect, a new method (the VCC method using variable chromatic colors ) is proposed in addition to the method used so far (the VAC method using variable achromatic colors).
Relationships among chromatic tone, perceived lightness, and degree of vividness
The maximum Chroma of chromatic colors in each of equi-hue planes is determined by the chromatic strength (CS) of the hue, which is different for different hues.
Relations between the two kinds of representation methods in the Helmholtz‐Kohlrausch effect
linear color-appearance model.13,14 To make this more coordinates x, y of a test chromatic color and its adapting .
Prediction of the Helmholtz‐Kohlrausch effect using the CIELUV formula
The predictions were done to the chromatic colors in the whole chromaticity gamut including spectral colors by the Variable Achromatic Color (VAC) and the Variable Chromatic Color (VCC) methods.
Existence of two kinds of representations of the helmholtz‐kohlrausch effect. II. the models
Abstract A formulation for predicting the Helmholtz‐Kohlrausch (H‐K) effect is given to the new VCC (variable chromatic color ) method, which can derive the luminance factors of various chromatic object colors that match in perceived lightness with a fixed achromatic color.
Some modifications to Hering's opponent‐colors theory
… is proposed by using the hue circle (he calls it the color circle) together with Plate 1 in his book.2 Hering states that red-yellow, yellow-green, green- blue, and blue-red series of intermediate chromatic colors are found in the …
Colouring prime distance graphs
It is convenient to define a chromatic colouring of any prime distance graph Z(D) to be any proper colouring using only x(D) colours.
On the purposes of color for living beings: toward a theory of color organization
more than one chromatic color within an object, the color perceived as the whole color of the object is only one among many.
Handbook of Combinatorial Optimization
B.-L. Chen, K.-C. Huang, C.-H. Yen, Chromatic coloring with a maximum color class. Discret.
Handbook of Optics: Volume III - Vision and Vision Optics, Third Edition > COLOR VISION MECHANISMS
We therefore refer to chromatic color -discrimination mechanisms according to their predominant cone inputs: L−M and S−(L+M).
Industrial Color Physics
The yellow- ish light of the sodium vapor lamp HP 1, for example, bathes each chromatic color in a pale yellow.
Perceived lightness of chromatic object colors including highly saturated colors
where Qc is the whiteness-blackness function of the test chromatic color , C the chroma response of the test, and QN is the estimated correlate of metric lightness of the achro- matic color which matches in perceived lightness to the test.
Illuminance dependency of equivalent lightness on chromatic object colors
All who study this effect notice that the perceived lightness of a chromatic color consists of a component specified by its tristimulus value Y and a contribution dependent on its chromaticity.