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An Edge Gradient Enhancing Adaptive Order Statistic Filter

  • Yong Hoon Lee
  • , Adly T. Fam
  • SUNY Buffalo

Research output: Contribution to journalComment/debate

57 Scopus citations

Abstract

We consider an adaptive order statistic (OS) filter that can enhance gradients of edges while suppressing impulsive and some non-impulsive noise components. in particular, comparison and selection (CS) filters are introduced, in which the output is determined by comparing the sample mean and median values inside each window. It is shown theoretically that CS filters can enhance gradients of a variety of edges including noisy blurred ones.Some root properties of CS filters are also shown. Finally, experimental results are presented to illustrate the performance characteristics of these filters.

Original languageEnglish
Pages (from-to)680-695
Number of pages16
JournalIEEE Transactions on Acoustics, Speech, and Signal Processing
Volume35
Issue number5
DOIs
StatePublished - May 1987

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