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IEEE Signal Processing LettersVolume 11, Issue 7, July 2004, Pages 589-592

Advanced impulse detection based on pixel-wise MAD(Article)

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  • Faculty of Engineering, University of Novi Sad, Novi Sad 21121, Yugoslavia

Abstract

A new method for impulse noise removal is presented, where a robust estimator of the variance, MAD (median of the absolute deviations from the median), is modified and used to efficiently separate noisy pixels from the image details. The algorithm is free of varying parameters, requires no previous training or optimization, and successfully removes all types of impulse noise. The pixel-wise MAD concept is straightforward, low in complexity, and achieves high filtering performance. © 2004 IEEE.

Indexed keywords

Engineering controlled terms:AlgorithmsComputer simulationDigital filtersImage analysisImpulse noiseIterative methodsMatrix algebraProbability distributionsSensitivity analysisSignal to noise ratioStatistical methods
Engineering uncontrolled terms:Absolute deviation imageMedian filterNoisy pixelsRobust statistics
Engineering main heading:Adaptive filtering
  • ISSN: 10709908
  • CODEN: ISPLE
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1109/LSP.2004.830117
  • Document Type: Article

  Crnojević, V.; Faculty of Engineering, University of Novi Sad, Yugoslavia;
© Copyright 2008 Elsevier B.V., All rights reserved.

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