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Anisotropic Filtering
Last modified: Wednesday, June 13, 2007
In 3D graphics Anisotropic Filtering,
abbreviated as AF, is a technique used to improve image quality in
computer video games. AF enhances the
textures on surfaces that are far away and at high
angles (sloped relative to the camera view) so that the projection of the
texture appears more like a rectangle or trapezoid than a square. When AF is
applied to the sloped texture, the surface does not appear fuzzy to the viewer.
Anisotropic Filtering is a feature found on most 3D
video cards today, however card manufacturers do not necessarily use the
same process to render AF.
Anti-Aliasing and Anisotropic Filtering Anti-Aliasing and Anisotropic Filtering, or AA and AF, are some of the most common techniques for improving image quality in games, yet many people don't really understand exactly what those terms mean.
ATI vs. NVIDIA: Adaptive Filtering 3D graphics is rife with examples where 3D renderers seek to eliminate redundant and unnecessary work to conserve GPU cycles and memory bandwidth.
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