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Statements

Subject Item
dbr:List_of_color_spaces_and_their_uses
dbo:wikiPageWikiLink
dbr:Rg_chromaticity
Subject Item
dbr:Rg_chromaticity
rdfs:label
Rg chromaticity
rdfs:comment
The rg chromaticity space, two dimensions of the normalized RGB, or rgb, space,is a chromaticity space, a two-dimensional color space in which there is no intensity information. In the RGB color space a pixel is identified by the intensity of red, green, and blue primary colors. Therefore, a bright red can be represented as (R,G,B) (255,0,0), while a dark red may be (40,0,0). In the normalized rgb space or rg space, a color is represented by the proportion of red, green, and blue in the color, rather than by the intensity of each. Since these proportions must always add up to a total of 1, we are able to quote just the red and green proportions of the color, and can calculate the blue value if necessary.
foaf:depiction
n5:Rg_normalized_color_coordinates.png n5:RG_Chromaticity_Example.png n5:Image_without_chromaticity.png n5:CIE1931_RGBCMF.svg n5:CIE_rg_Diagram.jpg n5:Elkhorn_Slough.jpg
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dbc:Color_space
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dbr:Color_space n10:Rg_normalized_color_coordinates.png dbr:Chromaticity dbr:RG_color_space dbr:Imaginary_color dbr:Object_detection dbr:Image_segmentation n10:CIE1931_RGBCMF.svg dbr:Primary_color dbr:HSV_color_space dbr:Chromaticity_space dbr:Trichromacy dbr:CIE_1931_color_space dbr:Grassmann's_law_(optics) dbc:Color_space dbr:RGB_color_space dbr:Chrominance dbr:Computer_vision n10:CIE_rg_Diagram.jpg
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center
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A visual representation of the chromaticity of the image. Each pixel has been scaled so the total red, green, and blue coordinates sum to 1. Notice the effect on the foliage and shadowed regions. A visual representation of the average value of red, green, and blue coordinates for each pixel in the original image. This information can be combined with the rg chromaticity information to reconstruct the original image. A photograph with varying illumination levels.
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Elkhorn_Slough.jpg Image_without_chromaticity.png RG_Chromaticity_Example.png
dbo:abstract
The rg chromaticity space, two dimensions of the normalized RGB, or rgb, space,is a chromaticity space, a two-dimensional color space in which there is no intensity information. In the RGB color space a pixel is identified by the intensity of red, green, and blue primary colors. Therefore, a bright red can be represented as (R,G,B) (255,0,0), while a dark red may be (40,0,0). In the normalized rgb space or rg space, a color is represented by the proportion of red, green, and blue in the color, rather than by the intensity of each. Since these proportions must always add up to a total of 1, we are able to quote just the red and green proportions of the color, and can calculate the blue value if necessary.
gold:hypernym
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