aliasing artifact
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aliasing — ali·as·ing (aґle əs ing) 1. introduction of an artifact or error in sampling of a periodic signal when the sampling frequency is too low to properly capture the signal. 2. in pulsed Doppler ultrasonography, an artifact occurring when the… … Medical dictionary
Aliasing — This article applies to signal processing, including computer graphics. For uses in computer programming, please refer to aliasing (computing). In statistics, signal processing, computer graphics and related disciplines, aliasing refers to an… … Wikipedia
wraparound artifact — aliasing (def. 3) … Medical dictionary
Sonic artifact — In sound and music production, the term sonic artifact or simply artifact refers to sonic material that is usually accidental or unwanted, resulting from the editing or manipulation of a sound.Because there are always technical restrictions in… … Wikipedia
Digital artifact — A complicated grid pattern is insufficiently processed by a smartphone camera. An electronic billboar … Wikipedia
Computed tomography — tomos (slice) and graphein (to write).Computed tomography was originally known as the EMI scan as it was developed at a research branch of EMI, a company best known today for its music and recording business. It was later known as computed axial… … Wikipedia
Demosaicing — A demosaicing algorithm is a digital image process used to reconstruct a full color image from the incomplete color samples output from an image sensor overlaid with a color filter array (CFA). Also known as CFA interpolation or color… … Wikipedia
S.T.A.L.K.E.R.: Shadow of Chernobyl — S.T.A.L.K.E.R. redirects here. For the prequel, see S.T.A.L.K.E.R.: Clear Sky. For the sequel, see S.T.A.L.K.E.R.: Call of Pripyat. S.T.A.L.K.E.R.: Shadow of Chernobyl The European cover art for S.T.A.L.K.E.R.: Shadow of Chernobyl … Wikipedia
Nyquist–Shannon sampling theorem — Fig.1: Hypothetical spectrum of a bandlimited signal as a function of frequency The Nyquist–Shannon sampling theorem, after Harry Nyquist and Claude Shannon, is a fundamental result in the field of information theory, in particular… … Wikipedia
Modified discrete cosine transform — The modified discrete cosine transform (MDCT) is a Fourier related transform based on the type IV discrete cosine transform (DCT IV), with the additional property of being lapped: it is designed to be performed on consecutive blocks of a larger… … Wikipedia
