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What is Anti-Aliasing (AA)?
Published  07/3/2011 | Computer Encyclopedia Page 4 | Unrated
What is Anti-Aliasing (AA)?
Aliasing refers to the jagged edges seen on slanting lines in any rendered image. Anti- Aliasing is the process of removing or reducing the effects of Aliasing. AA achieves smoother lines by taking a sample of the pixels around the point and using this information to fill the jagged edges. The process can take different forms, like FSAA or Full Screen Anti Aliasing, where all the pixels on the screen are sampled before making remedial modifications to the image. FSAA can also offer better result if more samples were taken. Depending on the number of samples taken, AA is denoted as 2X (2 samples), 4X, 8X, and 16X. Needless to say, taking these samples requires processing power, and usually the higher sample rates are achieved only by powerful graphics cards.
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