Anti-aliasing

Anti-aliasing may refer to any of a number of techniques to combat the problems of aliasing in a sampled signal such as a digital image or digital audio recording

Specific topics in anti-aliasing include:

• Anti-aliasing filter, a filter used before a signal sampler, to restrict the bandwidth of a signal such as in audio applications
• Manual anti aliasing, artistic technique done in pixel art graphics to smooth transitions between shapes, to soften lines or to blur edges.
• Spatial anti-aliasing, the technique of minimizing aliasing when representing a high-resolution image at a lower resolution
  • Fast approximate anti-aliasing, an anti-aliasing algorithm created by Timothy Lottes under Nvidia. May also be referred to as Fast Sample Anti-aliasing (FSAA).
  • Multisample anti-aliasing, a type of spatial anti-aliasing method
  • Morphological antialiasing, a type of spatial anti-aliasing method
  • Conservative morphological anti-aliasing, a type of spatial anti-aliasing method^[1]
  • Supersampling, a type of spatial anti-aliasing method
• Temporal anti-aliasing, techniques to reduce or remove the effects of temporal aliasing in moving images
  • Deep learning anti-aliasing, a type of spatial and temporal anti-aliasing method relying on dedicated tensor core processors

See also

• Aliasing
• Pixel-art scaling algorithms
• Nyquist–Shannon sampling theorem

References

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