median filter

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• Median filter — Example of 3 median filters of varying radii applied to the same noisy photograph. Implemented in Adobe Photoshop. In signal processing, it is often desirable to be able to perform some kind of noise reduction on an image or signal. The median… …   Wikipedia

• Median (disambiguation) — Median has different meanings in different contexts: Median, in statistics, a number that separates the lowest value half and the highest value half Median (geometry), in geometry, a line joining a vertex of a triangle to the midpoint of the… …   Wikipedia

• Median — This article is about the statistical concept. For other uses, see Median (disambiguation). In probability theory and statistics, a median is described as the numerical value separating the higher half of a sample, a population, or a probability… …   Wikipedia

• Filter (Bildverarbeitung) — Die (digitale) Bildverarbeitung nutzt die Mittel der Signalverarbeitung zur Aufbereitung dies sind Bildvorverarbeitungsroutinen wie Kalibrierung, Restauration, Rekonstruktion zur Speicherung und zur Darstellung von visuellen 2D bzw. 3D… …   Deutsch Wikipedia

• Rank filter — is an image processing term. Typically, in digital filtering, pixels within a window are ranked by intensity values, and the center pixel is replaced with a new value. The new value is calculated as a function of the ranked pixels. Only the… …   Wikipedia

• Nonlinear filter — A nonlinear filter is a signal processing device whose output is not a linear function of its input. Terminology concerning the filtering problem may refer to the time domain (state space) showing of the signal or to the frequency domain… …   Wikipedia

• Moving average — For other uses, see Moving average (disambiguation). In statistics, a moving average, also called rolling average, rolling mean or running average, is a type of finite impulse response filter used to analyze a set of data points by creating a… …   Wikipedia

• Noise reduction — For sound proofing, see soundproofing. For scientific aspects of noise reduction of machinery and products, see noise control. Noise reduction is the process of removing noise from a signal. All recording devices, both analogue or digital, have… …   Wikipedia

• List of mathematics articles (M) — NOTOC M M estimator M group M matrix M separation M set M. C. Escher s legacy M. Riesz extension theorem M/M/1 model Maass wave form Mac Lane s planarity criterion Macaulay brackets Macbeath surface MacCormack method Macdonald polynomial Machin… …   Wikipedia

• Diamond Cut Audio Restoration Tools — Diamond Cut Audio Resotration Tools Developer(s) Craig Maier and Rick Carlson of Diamond Cut Productions …   Wikipedia

• Seismic Unix — is an open source seismic utilities package supported by the Center for Wave Phenomena (CWP) at the Colorado School of Mines (CSM).Infobox Software name = Seismic Unix caption = Velocity Analysis with SU developer = [http://www.cwp.mines.edu/… …   Wikipedia