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dither
EntityQ376493· pop 23· linked from 168 articles

Also known as dithering, dither in image processing

450px|thumb|right|Image on left is original. Center image is reduced to 16 colors. Right image also 16 colors, but dithered to reduce banding effect.

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Dithering
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16 sections
Contents
  • Etymology
  • In digital processing and waveform analysis
  • Digital audio
  • Examples
  • Usage
  • Noise distributions
  • Which noise distribution to use
  • Digital photography and image processing
  • Examples
  • Applications
  • Algorithms
  • Other applications
  • See also
  • Notes
  • References
  • External links

450px|thumb|right|Image on left is original. Center image is reduced to 16 colors. Right image also 16 colors, but dithered to reduce banding effect.

Dither or dithering is an intentionally applied form of noise used to randomize quantization error, preventing large-scale patterns such as color banding in images. Dither is routinely used in processing of both digital audio and video data, and is often one of the last stages of mastering audio to a CD.

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