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Topic: Absolute color space


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In the News (Fri 1 Jan 10)

  
  Absolute color space - Wikipedia, the free encyclopedia
An absolute color space is a color space in which colors are unambiguous, where they do not depend on any external factors.
A counter-example of a color space that is not absolute is RGB.
One absolute color can be converted to another absolute color, and back again, in general; however, each color space has its own gamut, and converting colors that lie outside that gamut will not produce correct results.
en.wikipedia.org /wiki/Absolute_color_space   (552 words)

  
 Lab color space - Wikipedia, the free encyclopedia
Both spaces are derived from the "master" space CIE 1931 XYZ color space.
CIE 1976 L*a*b* is based directly on the CIE 1931 XYZ color space as an attempt to linearize the perceptibility of color differences, using the color difference metric described by the MacAdam ellipse.
To convert between RGB and L*a*b*, for example, it is necessary to determine or assume an absolute color space for the RGB data, such as sRGB or Adobe RGB.
en.wikipedia.org /wiki/Lab_color_space   (1351 words)

  
 CMYK color model - Biocrawler   (Site not responding. Last check: 2007-10-11)
The colors that are seen are from the part of light that is not absorbed.
However the color a person sees on a computer screen is often slightly different from the color of the same object on a printout since CMYK and the RGB color model used in computer monitors have different gamuts.
RGB color is made by the emission of light (additive color) whereas CMYK works by the absorption of it (subtractive color).
www.biocrawler.com /encyclopedia/CMYK   (577 words)

  
 Color
Colors are perceiver-dependent but hybrid properties: to have a specific color is to have some intrinsic feature by virtue of which the object has the power to appear in a distinctive way (e.g., as in 4).
Colors are what fill in the outlines of these forms, they are the stuff out of which visual phenomena are built up; our visual world consists solely of differently formed colors; and objects, from the point of view of seeing them, that is, seen objects, are nothing other than colors of different kinds and forms.
Color science is a large field, but it is built around the way that colors appear and to the conditions under which colors can be perceived, and the causes which lead to the perception of colors.
plato.stanford.edu /entries/color   (18003 words)

  
 A Standard Default Color Space for the Internet - sRGB
For color to be reproduced in a predictable manner across different devices and materials, it has to be described in a way that is independent of the specific behavior of the mechanisms and materials used to produce it.
Color management is a term that describes a technology that translates the colors of an object (images, graphics or text) from their current color space to the color space of the output devices like monitors, printers,...
Since the image is in a known color space and the profile for that color space would ship with the OS and browser, this enables the end users to enjoy the benefits of color management without the overhead of larger files.
www.w3.org /Graphics/Color/sRGB   (6019 words)

  
 Mauro Boscarol - The description of the gamut - the profile
The set of colors that the average human eye can see is known as the absolute color space and has been represented with various systems of absolute coordinates.
The profile of a device is a means of describing its gamut in terms of this absolute color space.
It consists of a set of information (memorised in a file, for example) which allows the gamut of the device to be located within the absolute color space by indicating the relationship between the device’s coordinates and one kind of absolute coordinates.
www.boscarol.com /pages/cms_eng/025-prof.html   (372 words)

  
 YourArt.com >> Encyclopedia >> Green   (Site not responding. Last check: 2007-10-11)
In night vision goggles, the color green is used to display the enhanced image because the human eye is able to discern the most shades in that color.
Green is the color of the snooker ball which has a 3-point value, and is also a common color for the baize on a snooker table.
Green is the color symbolizing earth, nature, and in a broader sense, life.{{citation needed}} It is also the colour of the back of U.S. currency (giving rise to the slang term "greenback"), and thus carries a connotation of money, wealth, and capitalism.
www.yourart.com /research/encyclopedia.cgi?subject=/Green   (1311 words)

  
 colorspace-faq -- FAQ about Color and Gamma
Color is the perceptual result of light in the visible region of the spectrum, having wavelengths in the region of 400 nm to 700 nm, incident upon the retina.
The colors that can be mixed from a particular set of CMY primaries cannot be determined from the colors of the primaries themselves, but are also a function of the colors of the sets of combinations of the primaries.
A direct color image can be converted to indexed color with an image-dependent colormap by a process of color quantization that searches through all of the triples used in the image, and chooses the palette for the image based on the colors that are in some sense most "important".
www.faqs.org /faqs/graphics/colorspace-faq   (12951 words)

  
 Color space FAQ   (Site not responding. Last check: 2007-10-11)
The colors are described as direct colors, it means that all the pixels (or vectors, for vectorial descriptions) are directly stored with the full components.
In this case, all the colors are stored in a table called a palette and the components of all the colors for each pixel (or the vector data) are removed to be replaced with a number.
The white color is reflected on the sheet so that the components of white (primary colors) are subtracted from the components of the 'painting' (secondary colors).
www.neuro.sfc.keio.ac.jp /~aly/polygon/info/color-space-faq.html   (3047 words)

  
 GENOA Color Technologies | Technology | Algorithms
Finally, the shape and the structure of the input RGB color gamut are different from that of the multi-primary display.
On the other hand, when an accurate reproduction of color is not required, the wide color gamut of the multi-primary display must be used to improve image quality, in order to obtain the most pleasing image.
This is followed by a gamut mapping and conversion of the absolute color data into the multi-primary signals.
www.genoacolor.com /technology.asp?pageId=25   (451 words)

  
 Color Management for Photographers #006 @Digital Outback Photo
Colors that are outside the paper gamut need to be mapped using a "perceptual" rendering intent.
RC is best when only a small portion of colors from the source space will get clipped as the slight compression to the out-of-gamut colors is acceptable and the main body of colors is kept relatively intact.
Perceptual is going to be the better choice when a large portion of colors from the source space are going to get clipped, as more compression is required to “fit” all of the colors in the target space and still maintain smooth tonal gradations.
www.outbackphoto.com /color_management/cm_06/essay.html   (1714 words)

  
 Absolute Color Picker - FREE Download - Freeware   (Site not responding. Last check: 2007-10-11)
Absolute Color Picker is a free handy application that lets you select colors by means of various color models and convert them into HTML-based hexadecimal representation.
Absolute Color Picker is fully compatible with most graphics packages and is the best compact choice for professional designers, freelancers and home users.
Absolute Color Picker is an enhanced and improved color selection dialog which can be used by designers for selecting any true colors using different color models.
www.download2you.com /details_page.asp?titleID=13492   (586 words)

  
 Planet PDF - PDF and Color Spaces
For images, this would often be the color space of the data from the scanner.
However, it could also be the color space applied in Photoshop or Quark, or the result of color conversion by the printer driver, whichever made the last modification.
The premise of ICC color is that you can use a profile to map source colors into a mathematically-rigorous absolute color space and have other profiles to map from this absolute color space to destination colors.
www.planetpdf.com /creative/article.asp?contentID=6615&rss   (805 words)

  
 Electronic Publishing - PDF color secrets
Device color spaces typically refer to the color space used by the input device, usually the scanner, but also can refer to the output device, such as the printer.
The premise of ICC color is that you can use a profile to map source colors into an absolute color space and have other profiles to map from this absolute color space to destination colors.
Color space conversions are subject to round-off errors, so the fewer conversions the better.
ep.pennnet.com /Articles/Article_Display.cfm?Article_ID=92222&...   (1591 words)

  
 Mauro Boscarol - How PostScript specifies color: Color Space Array
Colors referred to a CSA are known as device-independent.
In PostScript Level 2 device-dependent color is expressed by a CSA of either one or three channels.
A CSA of this type can be used to define a large number of color spaces, including all of those that can be expressed with ICC profiles and many more (in fact rarely used).
www.boscarol.com /pages/cms_eng/076-csa.html   (569 words)

  
 bdc
so we’re painting here at master control and after having come up with some pleasant color schemes i’m wondering why there isn’t some sort of lab color to latex paint color conversion tool- or even an approximator.
“but,” i can hear you crying “the colors you see on your computer are rgb values on a luminescent crt and can’t posibly translate into paint colors!” “web and print designers the world over fight contantly over this exact issue all the time!” and so forth.
as long as the program i’m using to arrive at the colors to begin with uses an accurate model for defining lab color i’m at least assured that the resultant colors will be, in fact, split complementary– which is the point of the whole exercise to begin with.
bla.darkcutter.com   (372 words)

  
 Cascading Style Sheets, level 1
The 'color' property is one of around 50 properties that determine the presentation of an HTML document.
In the case of negative margins, the absolute maximum of the negative adjoining margins is deducted from the maximum of the positive adjoining margins.
RGB colors are specified in the sRGB color space
www.w3.org /TR/REC-CSS1   (15136 words)

  
 Absolute Color Balance
In calibrating the color balance of a display, there are really two issues, finding the right "absolute" color balance at a single IRE level, e.g.
Once the color balance is achieved, either through calibration of the detector, or by use of the default values, SMART's high dynamic range and excellent sensitivity to low light levels make it an excellent tool for then duplicating this same color balance at all the other IRE levels, including IRE 0.
Note that is Color temperature diagram is probably the least informative of the three, as the Correlated Color Temperature is particularly insensitive to green in the regions of color space where we will be operating.
www.smartavtweaks.com /absolute.html   (1144 words)

  
 Absolute Color Picker ActiveX Control - Download Absolute Color Picker ActiveX Control at MyZips
Absolute Color Picker ActiveX Control is a component that includes two dialogs: color selection dialog and gradient filling dialog.
You can choose any color you like on one tab, change color saturation and brightness on the other one, and change the saturation of the red or any other of the color’s constituents on the third one.
Absolute Color Picker ActiveX Control is as easy to use as a standard color selection dialog.
www.myzips.com /software/Absolute-Color-Picker-ActiveX-Control.phtml   (519 words)

  
 Using color models to describe color
The range of colors that can be produced using a particular color model, such as RGB or CMYK, is a color space.
A color model determines the relationship between values, and the color space defines the absolute meaning of those values as colors.
The color will look different in each color space, but the numeric values and model will still be the same.
www.pdesigner.net /photoshopcs/1_6_2_1.html   (343 words)

  
 The Art of Seeing: November 2004   (Site not responding. Last check: 2007-10-11)
This relative color space is characterized by the color profile of that device.
So color profiles are nothing but a description of the boundaries of the colors that possible within the absolute color space.
To help work with transforming from one device color space to another, there are several indutry wide color spaces that have been standardized.
www.thezeal.com /photography/blogarchive/2004_11_01_archive.html   (2232 words)

  
 Green Biography,info
Chlorophyll is responsible for the green color in plants.
The color green used in HTML and CSS is actually a dark green (#008000), as seen in the sample to the right: the pure green color is called lime.
Green is the color symbolizing earth, nature, and in a broader sense, life.
www.danceage.com /biography/sdmc_Green   (1320 words)

  
 Digital Light & Color Message Boards: Match Reference and working color space
However, when I am working in the Chrome 2000 D50 space, the results are WAY too blue.
For these two color spaces, the gamut is the same -
However, that should only be an issue for getting the color right in an absolute sense, it should make a difference which color space we are working in.
www.dl-c.com /discus/messages/2/5599.html?1118843266   (791 words)

  
 Commons talk:Pantone color chart - Wikimedia Commons
Here are some useful links to explain colour spaces: [1] w:en:Color space w:en:Absolute color space w:en:SRGB w:en:Adobe RGB color space.
By "uncorrected", I mean there is no color management to set to sRGB or Adobe or any color space, which can then be applied to these colors.
w:Pantone says "Pantone asserts that their list of color numbers and values is the intellectual property of Pantone and free use of the list is not allowed." Although Pantone can't copyright any particular color, they can copyright the collection of colors as a whole.
commons.wikimedia.org /wiki/Commons_talk:Pantone_color_chart   (2482 words)

  
 Absolute Color Picker ActiveX Control : Absolute Color Picker ActiveX Control - SoftwareVault.com   (Site not responding. Last check: 2007-10-11)
Absolute Color Picker ActiveX Control is a component that includes color selection for different color modes and gradient filling dialogs.
Extensive methods and properties description, code examples and Alpha-channel support will help any level programmer to master it at zero-time, saving a great amount of efforts on project development.
color picker, color picker component, color picker activeX, color selection dialog, gradient filling dialog
www.softwarevault.com /Programming/Color-Picker-Ax.xml   (148 words)

  
 Your flower/color - Absolute Write Water Cooler
Welcome to the Water Cooler, a message board run by Absolute Write for writers and editors.
Absolute Write Water Cooler > Coffee Break > Writing Exercises, Prompts, and Games
If you were a flower, what one would you be and what color?
www.absolutewrite.com /forums/showthread.php?t=9537   (1047 words)

  
 Green :: Politics
Green is the traditional color of Islam, likewise because of its association with nature.
In the Qu'ran, sura Al-Insan, followers of Allah in Jannah wear fine green silk.
The Green Arrow is a DC Comics superhero
society.gourt.com /Politics/Green.html   (829 words)

  
 WinSite: Absolute Color Picker ActiveX Control
Processor: Pentium II class at least 300 MHz; RAM: 128 MB; Disk Space: 3 MB of
Absolute Color Picker ActiveX Control is a component with two dialogs (color selection and gradient filling) with support of 32-byte colors with half-transparency and Alpha-channel that helps you professionally create amazing projects in few seconds.
Copyright © WinSite Group Inc. All rights reserved.
www.winsite.com /bin/Info?26000000036860   (59 words)

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