chromaticity coordinates वाक्य
उदाहरण वाक्य
मोबाइल
- The tristimulus values are, and the chromaticity coordinates using the standard observer are.
- Two lights with the same spectral power distribution, but different luminance, will have identical chromaticity coordinates.
- First, a factor representing the Helmholtz-Kohlrausch effect must be calculated from the x and y chromaticity coordinates:
- R, g, and b chromaticity coordinates are ratios of the one tristimulus value over the sum of all three tristimulus values.
- For other sets of primary chromaticities ( defined by their x and y chromaticity coordinates ), different linear coefficients are needed to get relative luminance.
- Computation of the CCT T c corresponding to the chromaticity coordinate \ scriptstyle ( u _ T, v _ T ) in the CIE 1960 UCS.
- A colorimeter with the known value of absolute error allows to measure ( x, y )-chromaticity coordinates in red, green, blue and white colors.
- To make matters worse, an engineer had made an error when copying the red primary chromaticity coordinates, resulting in an even more inaccurate representation of the SMPTE standard.
- CIE chromaticity coordinates and luminosity can then be calculated, providing a complete description of the source s color, including chromaticity, spectral power, illuminance, and luminance.
- Objects which have the same chromaticity coordinates as the white object usually appear neutral, or fairly so, and normalizing in this fashion ensures that their coordinates lie at the origin.
- The xyY space is a cross between the CIE XYZ and its normalized chromaticity coordinates xyz, such that the luminance Y is preserved and augmented with just the required two chromaticity dimensions.
- In the figure above-right, the " rg " chromaticity coordinates are shown on the two axes in black, along with the gamut of the 1931 standard observer.
- Instead of using RGB, LogLuv uses the logarithm of the luminance and the CIELUV ( " u " , " v " ) chromaticity coordinates in order to provide a EV range of nearly 128 stops.
- The Military Medical Purchase Description specifies the lights in the FALANT in terms of percent luminous transmittance and 1931 CIE x, y chromaticity coordinates, calculated from Illumnant A, from spectrophotometric measurements of the glass filter components that make up the lantern.
- For example, the standard CIE XYZ color space projects directly to the corresponding chromaticity space specified by the two chromaticity coordinates known as " x " and " y ", making the familiar chromaticity diagram shown in the figure.
- Although there is generally no one-to-one correspondence between illuminants and white points, in the case of the CIE D-series standard illuminants, the spectral power distributions are mathematically derivable from the chromaticity coordinates of the corresponding white points.
- Judd " et al . " simply tabulated the values of certain chromaticity coordinates, corresponding to commonly used correlated color temperatures, such as 5500 K, 6500 K, and 7500 K . For other color temperatures, one could consult figures made by Kelly.
- In different designs there are differences in the definitions of the R, G, and B chromaticity coordinates, the reference white point, the supported gamut range, the exact gamma pre-compensation functions for deriving R', G'and B'from R, G, and B, and in the scaling and offsets to be applied during conversion from R'G'B'to Y2 CbCr.
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