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in digital images, caused by the colour of each pixel being rounded to the nearest of the digital colour levels. While posterization is often done for artistic effect, colour banding is an undesired artifact. In 24-bit colour modes, 8 bits per channel is usually considered sufficient to render images
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148:. However the eye can see the difference between the colour levels, especially when there is a sharp border between two large areas of adjacent colour levels. This will happen with gradual
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An illustration of colour banding. Only 3 bits are used for the red channel in the left two images, 8 bits in the right image.
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159:(BPP) at 16–256 colours (4–8 BPP), where there are fewer shades with a larger difference between them.
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152:(like sunsets, dawns or clear blue skies), and also when blurring an image a large amount.
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Because the banding comes from limitations in the presentation of the image,
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An example of colour banding, visible in the sky in this photograph
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Gonzalez, Rafael C.; Woods, Richard E.; Masters, Barry R. (2009).
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and increasing the number of bits per colour channel.
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913:Linguistic relativity and the colour naming debate
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162:Possible solutions include the introduction of
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276:
155:Colour banding is more noticeable with fewer
51:introducing citations to additional sources
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283:
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213:"Digital Image Processing, Third Edition"
1064:International Commission on Illumination
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41:Relevant discussion may be found on the
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1054:Color Association of the United States
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918:Blue–green distinction in language
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1075:International Colour Association
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192:Quantization (signal processing)
34:relies largely or entirely on a
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1070:International Colour Consortium
16:Inaccuracy in computer graphics
1135:List of Crayola crayon colours
1059:International Colour Authority
204:
1:
197:
1336:. You can help Knowledge by
938:Traditional colours of Japan
715:Achromatic colours (Neutral)
598:Multi-primary colour display
217:Journal of Biomedical Optics
7:
372:Spectral power distribution
256:Dynamic range 24 vs 36 bit
180:
10:
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1388:Computer graphic artifacts
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798:Colour realism (art style)
456:Evolution of colour vision
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1115:List of colours (compact)
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933:Colour in Chinese culture
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1120:List of colours by shade
583:Digital image processing
316:Electromagnetic spectrum
1398:Computer graphics stubs
1125:List of colour palettes
1332:–related article is a
348:Structural colouration
129:
121:
1130:List of colour spaces
1049:Color Marketing Group
804:On Vision and Colours
737:Tinctures in heraldry
720:Polychromatic colours
705:Complementary colours
693:Monochromatic colours
127:
119:
1110:List of colours: N–Z
1105:List of colours: G–M
1100:List of colours: A–F
1022:Tint, shade and tone
905:Cultural differences
135:is a subtle form of
47:improve this article
1157:List of web colours
1152:List of RAL colours
558:Colour reproduction
523:Lüscher colour test
360:Colour of chemicals
566:Colour photography
518:Colour preferences
461:Impossible colours
451:Colour vision test
446:Colour temperature
424:Colour calibration
353:Animal colouration
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1383:Computer graphics
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1330:computer graphics
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954:Colour dimensions
943:Human skin colour
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821:
812:Theory of Colours
710:Analogous colours
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653:
588:Colour management
505:Colour psychology
387:Colour perception
230:10.1117/1.3115362
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1393:Visual artifacts
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765:Secondary colour
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538:National colours
533:Political colour
513:Colour symbolism
471:Opponent process
429:Colour constancy
407:Colour blindness
338:Spectral colours
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62:"Colour banding"
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928:Blue in culture
924:Colour history
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792:Colour analysis
787:Colour triangle
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698:black-and-white
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593:Colour printing
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173:the image does
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807:(Schopenhauer)
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760:Primary colour
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646:Colour mapping
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400:Sonochromatism
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309:Colour physics
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301:Colour science
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250:External links
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157:bits per pixel
133:Colour banding
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45:. Please help
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1037:organisations
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973:Colourfulness
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755:Colour mixing
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747:Colour theory
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727:Light-on-dark
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680:Colour scheme
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548:Chromotherapy
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488:Tetrachromacy
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412:Achromatopsia
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395:Chromesthesia
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223:(2): 029901.
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187:Posterization
185:
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137:posterization
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64: –
63:
59:
58:Find sources:
52:
48:
44:
38:
37:
36:single source
32:This article
30:
26:
21:
20:
1338:expanding it
1327:
1147:Colour chart
1010:Fluorescence
966:Dichromatism
828:Colour terms
810:
802:
782:Colour wheel
777:Colour solid
772:Chromaticity
641:Colour space
610:Colour model
543:Chromophobia
492:
220:
216:
206:
174:
168:
161:
154:
132:
131:
113:
100:
90:
83:
76:
69:
57:
33:
1005:Iridescence
837:Basic terms
732:Web colours
688:Colour tool
627:subtractive
576:Colour cast
481:Unique hues
439:Colour code
434:Colour task
377:Colorimetry
343:Chromophore
1377:Categories
1312:References
1167:Shades of:
1000:Brightness
671:philosophy
476:Afterimage
466:Metamerism
417:Dichromacy
198:References
177:fix this.
73:newspapers
1017:Grayscale
990:Lightness
985:Luminance
794:(fashion)
494:The dress
239:1083-3668
164:dithering
150:gradients
43:talk page
1290:Category
1272:Lighting
995:Darkness
815:(Goethe)
615:additive
603:Quattron
181:See also
171:blurring
142:Rec. 709
103:May 2013
1254:Related
1215:Magenta
1140:history
1044:Pantone
331:Visible
326:Rainbow
87:scholar
1267:Qualia
1262:Vision
1210:Purple
1205:Violet
1185:Yellow
1180:Orange
1035:Colour
875:Orange
870:Purple
860:Yellow
669:Colour
294:topics
292:Colour
237:
89:
82:
75:
68:
60:
1328:This
1300:Index
1240:Black
1230:White
1225:Brown
1190:Green
1092:Lists
1084:Names
1066:(CIE)
895:Brown
890:White
880:Black
850:Green
365:Water
321:Light
94:JSTOR
80:books
1334:stub
1235:Gray
1220:Pink
1200:Blue
1195:Cyan
885:Grey
865:Pink
845:Blue
632:CMYK
235:ISSN
146:sRGB
66:news
1175:Red
961:Hue
855:Red
620:RGB
225:doi
175:not
144:or
140:in
49:by
1379::
233:.
221:14
219:.
215:.
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284:e
277:t
270:v
241:.
227::
105:)
101:(
91:·
84:·
77:·
70:·
53:.
39:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
