Morphological antialiasing explained

Morphological antialiasing (MLAA) is a technique for minimizing the distortion artifacts known as aliasing when representing a high-resolution image at a lower resolution.

Contrary to multisample anti-aliasing (MSAA), which does not work for deferred rendering, MLAA is a post-process filtering which detects borders in the resulting image and then finds specific patterns in these. Anti-aliasing is achieved by blending pixels in these borders, according to the pattern they belong to and their position within the pattern.^{[1] [2] [3]}

Enhanced subpixel morphological antialiasing, or SMAA, is an image-based GPU-based implementation of MLAA^[4] developed by Universidad de Zaragoza and Crytek.^[5]

See also

• Fast approximate anti-aliasing
• Multisample anti-aliasing
• Anisotropic filtering
• Temporal anti-aliasing
• Spatial anti-aliasing

Notes and References

1. Web site: MLAA: Efficiently Moving Antialiasing from the GPU to the CPU. Intel. 2018-12-02.
2. Web site: MORPHOLOGICAL ANTIALIASING AND TOPOLOGICAL RECONSTRUCTION. Institut d'électronique et d'informatique Gaspard-Monge (IGM). 2018-12-02.
3. Web site: Digital Foundry: The Future of Anti-Aliasing . Eurogamer. 2011-07-16. 2018-12-02.
4. Web site: iryoku/smaa: SMAA is a very efficient GPU-based MLAA implementation. GitHub. 2018-12-13.
5. SMAA: Enhanced Subpixel Morphological Antialiasing. Computer Graphics Forum (Proc. EUROGRAPHICS 2012). Jorge Jimenez and Jose I. Echevarria and Tiago Sousa and Diego Gutierrez. JIMENEZ2012_CGF. 2012. 31. 2. 2018-12-13.