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Supersampling or supersampling anti-aliasing (SSAA) is a spatial anti-aliasing method, i.e. a method used to remove aliasing (jagged and pixelated edges, colloquially known as "jaggies") from images rendered in computer games or other computer programs that generate imagery. Aliasing occurs because unlike real-world objects, which have ...
Nvidia advertised DLSS as a key feature of the GeForce 20 series cards when they launched in September 2018. [4] At that time, the results were limited to a few video games, namely Battlefield V, [5] or Metro Exodus, because the algorithm had to be trained specifically on each game on which it was applied and the results were usually not as good as simple resolution upscaling.
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.
Prior to the development of TAA, MSAA was the dominant anti-aliasing technique. MSAA samples (renders) only the edges of polygons, then averages the samples to produce the final pixel value, making it surprisingly efficient in GPU-bound scenarios.
The term generally refers to a special case of supersampling.Initial implementations of full-scene anti-aliasing worked conceptually by simply rendering a scene at a higher resolution, and then downsampling to a lower-resolution output.
In signal processing, oversampling is the process of sampling a signal at a sampling frequency significantly higher than the Nyquist rate.Theoretically, a bandwidth-limited signal can be perfectly reconstructed if sampled at the Nyquist rate or above it.
Anti-aliasing is used in digital photography, computer graphics, digital audio, and many other applications. Anti-aliasing means removing signal components that have a higher frequency than is able to be properly resolved by the recording (or sampling) device.
Version 4.0 is used in the GeForce 6 and GeForce 7 series, and includes two new methods, transparency supersampling (TSAA) and the faster but lower-quality transparency multisampling (TMAA). These methods are designed to improve anti-aliasing quality of scenes with partially transparent textures (such as chain link fences ) and textures at ...