How To Use Luminance In A Sentence
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The value of a blending coefficient for a pixel in the graphic is based on the luminance and chrominance characteristics of a neighborhood of pixels in the video.
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Quantitative statistical information is also provided in the form of minimum, average, and maximum work-plane illuminance.
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The specifications are commonly based on the 2 - D illuminance, luminance, intensity, chromaticity, and polarization distributions.
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Now that decisions actually matter, he's finding that the power of his luminance alone is not enough to get the job done.
Axelrod slams Romney
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The specifications are commonly based on the 2 - D illuminance, luminance, intensity, chromaticity, and polarization distributions.
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These signals are also what is referred to as Y / C signal or luminance and chrominance.
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The preferred horizontal task illuminances supplied by the task-lighting luminaires varied from person to person, with an average of around 600 lux.
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The luminance profile of a typical grating pattern is shown in Figure 4.3.
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This principal component direction is taken to be the luminance direction.
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The spatial sequence is crowned by the parallel skylight bars which diffuse a soft luminance into the gallery spaces.
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A glazed facade admits sunlight into the space, controlled by a special ‘sandwich’ assembly of perforated metal, colored glass, and microlouvers that limit illuminance to 3.5 lux.
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A sequence of passes separates the luminance and chrominance information from the composite video signal and demodulates the color carrier to separate out color information.
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Illumination or illuminance in various systems of units lx ph fc
2. Elements
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The table overleaf gives average illuminances and minimum measured illuminances for different types of work.
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Typically, each pixel is encoded for luminance, but chrominance is averaged for groups of four pixels, saving about half the bandwidth required to transmit the full-resolution image.
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Color images typically have three components, corresponding to the red, green, and blue intensities, or the luminance and two chrominance components.
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Its mean illuminance will be less than that of the general lighting.
6. Installation of emergency lighting systems
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Upstairs, etched glass light wells diffuse luminance into the restaurant and glazed screens enclose private rooms.
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The vertical illuminances on the small targets were measured for each session and are shown in Figure II - 7.
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The ground was no longer bare and somber, it reached in a dream of luminance and shadows, as if every stone were alive and every craterlet a well where the spirits might give you your wish.
The Stars Are Also Fire
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In the main dining room, clusters of luminous glass globes float over diners; and in private rooms indirect luminance is diffused by suspended plates of translucent glass held in metal frames.
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The result shows that the better classify performance of tongue-color is in aesthesia color-space, apperceive color-space and 2D chrominance planes include luminance.
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Cells in the retina, lateral geniculate body (a relay station in the brain) and in the visual cortex respond mainly to edges (step changes in luminance) but not to homogeneous surface colours; so a line drawing or cartoon stimulates these cells as effectively as a ‘half tone’ photograph.
The Cognitive Science of Art: Ramachandran's 10 Principles of Art, Principles 1-3
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Usual methods of illuminance computing on design of illuminance are introduced in this paper.
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Note that the green channel has twice the number of photodetectors as red or blue (this is because the majority of luminance information is carried in the green channel).
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The thin mountain air allowed for an even brighter luminance.
Moon View Mountain Road
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With the illuminance given the light source can be found.
3. Calculation of Illuminance
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First, the .5 log unit ND reduction of luminance may have been excessive for a photopic task.
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Four of the markers tested activated at illuminance levels over 100 lux.
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The Y component is the luminance of the signal (not the color yellow), and delivers the gray scale image.
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Nits are also a measure of luminance, in so many candela per square metre.
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This transform space allows luminance and chrominance to be processed separately.
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The first thing I noticed was how bright the display looked-a testament to its luminance, which is measured at
Macworld
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By not spraying light indiscriminately as is done with unshielded fixtures, the desired illuminance level can be maintained by focusing the light to the proper location and reducing the light bulb's power consumption.
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Initially, the oil was used as a lubricant for the railroad industry and as an illuminance.
The Reckless Decade: America in the 1890s
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The paper derives out the proper power supply voltage of city road lighting according to the illuminance and life span character at different voltage level.
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Upstairs, etched glass light wells diffuse luminance into the restaurant and glazed screens enclose private rooms.
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As a result, the stability of the luminance and the chromaticity can be preserved against age deterioration.
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 When combined with his light of will, their luminance caused a fatal disruption in the black rings:  in short, a short, causing the deaders to get blowed up real good.
Review: Green Lantern #47 | Major Spoilers - Comic Book Reviews and News
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It is one of the main advantages of task lighting that this wide range of illuminances is possible, and is immediately controlled by the person requiring the illuminance.
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A flame, like a candle flame but burning with a clear magnesium-white luminance, was flickering on the tip of her forefinger.
AMERICAN GODS
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Nits are also a measure of luminance, in so many candela per square metre.
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The "luminance" of the light slowly rises and falls.
Netvouz - new bookmarks
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In particular, the materials have a feature which prevents lowered luminance as a result of electrode corrosion, thus contributing to the advancement of LED durability, for a broadening area of applications such as backlights for large-screen LCDs, illuminations and in-car use.
LEDs Magazine Products
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A consequence of the putting into practice of so great an illuminance is that the luminance in the range of vision can no more be an optimal one, if no coloured surfaces are used in the working room.
2. Elements
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Floored with glass, the terrace is also a skylight shedding luminance into the building and down the stairwell.
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Wikipedia definition for contrast ratio, which is as follows: "The contrast ratio is a measure of a display system, defined as the luminance of the brightest color (white) to that of the darkest color (black) that the system is capable of producing.
TWICE - Digital Imaging News
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If you look at an instrument's data sheet, you will see uncertainty values on the order of 0.002 in chromaticity (x, y) and 2% in luminance.
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Since the rated luminous flux is greater than the calculated one, it derives for the illuminance in point P: for high-pressure mercury vapour illumination 128 lx and for high-pressure sodium vapour illumination 139 lx
3. Calculation of Illuminance
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It has been suggested that double cones are used for achromatic (non-colour) tasks such as luminance, motion and polarization vision," Professor Marshall said.
PhysOrg.com - latest science and technology news stories
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First, a technical point, Lux is a measure of illuminance, or luminous fLux per unit area, and so the corresponding quantity would be irradiance, or Watts per square meter.
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The illuminance of special lighting may be up to 100% of the general lightings illuminance.
6. Installation of emergency lighting systems
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These kinds of luminance meters are especially suited for measuring floodlighted or transilluminated areas and not for measuring the luminous density at lamps and lighting fittings.
4. Measurements at Lighting Installations
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It is thus possible to quickly restore the light quantity control function by inputting the current luminance signal to an iris controller before the display of the still picture is stopped.
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A sequence of passes separates the luminance and chrominance information from the composite video signal and demodulates the color carrier to separate out color information.
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The illuminance required in a room or at a working place must be realized - according to the respective visual task - by a suitable number and type of lamps and lighting fittings and their arrangement.
3. Calculation of Illuminance
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Processing methods using adaptive threshold for removal of chroma/luminance cross-talk in quadrature-modulated subcarrier color television systems
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It is also possible to proceed this way: Calculation from a given arrangement of illuminators and the given luminous flux per illuminator taking into consideration the light distribution of the illuminators the illuminance, for instance at a certain point of the working area.
3. Calculation of Illuminance
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The material can be used for a wide range of applications such as electrode protection films, interlayer dielectric films and LED chip protective (overcoating) films, contributing to technologies capable of boosting yield and high luminance.
LEDs Magazine Products
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In average it will be 1 - 3% of the general lightings illuminance.
6. Installation of emergency lighting systems
