Look up: luminance


  1. Luminance
    [colorimetry] It is in low resolution (copies made from it will be of very inferior quality) The picture is only being used for informational purposes. Its inclusion in the article adds significantly to the article because it allows viewer to see what Deshastha people look like. The picture ...
    Found op http://en.wikipedia.org/wiki/Luminance_(colorimetry)

  2. Luminance
    [video] Album cover for Ghoti Hook`s Tooth and Nail Records release Banana Man ...
    Found op http://en.wikipedia.org/wiki/Luminance_(video)

  3. Luminance
    [relative] The use of relative values is useful in systems where absolute reproduction is impractical. For example, in prepress for print media, the absolute luminance of light reflecting off the print depends on the illumination and therefore absolute reproduction cannot be assured. ==Relat...
    Found op http://en.wikipedia.org/wiki/Luminance_(relative)

  4. Luminance
    Refers to the video signal information about the scene brightness. The measurable, luminous intensity of a video signal. Differentiated from brightness in that the latter is non-measurable and sensory. The colour video picture information contains two components, luminance- Y (brightness and contras...
    Found op http://www.zoo.co.uk/~z0001325/Glossary.html

  5. Luminance
    Describes the amount of light that passes through or is emitted from a particular area.
    Found op http://www.sony.co.uk/glossary/ShowGlossary.action?site=odw_en_GB§ionty

  6. Luminance
    Perceived brightness, or grayscale level, of a colour
    Found op http://www.dwp.gov.uk/medical/med_conditions/glossary.html

  7. Luminance
    Lightness. The highest of the individual RGB values plus the lowest of the individual RGB values, divided by two; a component of Hue-Saturation- Lightness image.
    Found op http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl

  8. luminance
    The brightness of an object, expressed as the luminous flux per unit solid angle per unit projected area, measured in lamberts or in candelas per square meter. ... Origin: L. Lumino, to light up, fr. Lumen, light ... (05 Mar 2000) ...
    Found op http://www.mondofacto.com/facts/dictionary?luminance

  9. luminance
    (from the article `colour`) ...Light and dark colours that have the same chromaticity (and are therefore plotted at the same point on the two-dimensional chromaticity diagram) ... By transforming the primary-colour values, it is possible to specify any coloured light by three quantities: (1) its lum...
    Found op http://www.britannica.com/eb/a-z/l/83

  10. luminance
    luminance, luminal 1. The condition or quality of emitting or reflecting light. 2. A measure of the brightness of a surface equal to the amount of luminous flux arriving at, passing through, or leaving a unit area of surface. It is measured in candelas per square meter. A candela is the basic unit o...
    Found op http://www.wordinfo.info/words/index/info/view_unit/1212/4

  11. luminance
    brightness
    Found op http://foldoc.org/luminance



  1. Luminance
    In a direction and at a point of a real or imaginary surface - The quotient of the luminous flux at an element of the surface surrounding the point, and propagated in directions defined by an elementary cone containing the given direction, multiplied by t
    Found op http://www.youngco.com/young2.asp?ID=4&Type=3

  2. Luminance
    The density of the luminous flux incident on a surface. It is the quotient of the luminous flux multiplied by the area of the surface when the later is uniformly illuminated.
    Found op http://www.youngco.com/young2.asp?ID=4&Type=3

  3. Luminance
    Luminance is a photometric measure of the luminous intensity per unit area of light travelling in a given direction. It describes the amount of light that passes through or is emitted from a particular area, and falls within a given solid angle. The SI unit for luminance is candela per square metre...
    Found op http://en.wikipedia.org/wiki/Luminance

  4. Luminance
    Lightness. The highest of the individual RGB values plus the lowest of the individual RGB values, divided by two; a component of Hue-Saturation- Lightness image
    Found op http://www.digitalexposure.ca/sub1.html

  5. Luminance
    The black and white (Y) portion of a composite, Y/C, or Y/Pb/Pr video signal. The luminance channel carries the detail of a video signal. The color channel is laid on top of the luminance signal when creating a picture. Having a separate luminance channel ensures compatibility with black-and-white t...
    Found op http://www.encyclo.co.uk/local/21058

  6. Luminance
    The brightness or black-and-white component of a color video signal. Determines the level of picture detail.
    Found op http://www.crutchfield.com/S-np170FLGK7y/learn/learningcenter/home/tv_gloss

  7. luminance
    the luminous flux of an elementary source in one direction, divided by the apparent surface area of this source in the direction being considered NOTE - In the SI system of units the luminance is expressed in candelas per square metre (cd/m2).
    Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=723-08-29

  8. luminance
    quantity defined by the formula where dFv is the luminous flux transmitted by an elementary beam passing through the given point and propagating in the solid angle dO containing the given direction; dA is the area of a section of that beam containing the given point; ? is the angle betwee...
    Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=845-01-35

  9. Luminance
    The physical measure of the subjective sensation of brightness; measured in lumens.
    Found op http://www.electromn.com/glossary/l.htm

  10. luminance
    The physical measure of the subjective sensation of brightness; measured in lumens. Related category • LIGHTING TOPICS
    Found op http://www.daviddarling.info/encyclopedia/L/AE_luminance.html

  11. luminance
    Type: Term Pronunciation: lū′mi-nănts Definitions: 1. The brightness of an object, expressed as the luminous flux per unit solid angle per unit projected area, measured in lamberts or in candelas per square meter.
    Found op http://www.medilexicon.com/medicaldictionary.php?t=51461

  12. luminance
    1) Brightness 2) Brightness level 3) Light 4) Luminosity 5) Luminousness 6) Physical property
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/luminance/1

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