Recursive order-statistic soft morphological filters

S. C. Pei, C. L. Lai, F. Y. Shih

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


A new class of recursive order-statistic soft morphological (ROSSM) filters are proposed and their important properties related to morphological filtering are developed. Criteria for specific selection of parameters are provided to achieve excellent performance in noise reduction and edge preservation. It is shown through experimental results that the ROSSM filters, compared to the order-statistic soft morphological filters or other well known nonlinear filters, have better outcomes in signal reconstruction. Two examples are given for demonstrating the flexibility of the proposed filters in signal processing applications.

Original languageEnglish (US)
Pages (from-to)333-340
Number of pages8
JournalIEE Proceedings: Vision, Image and Signal Processing
Issue number5
StatePublished - 1998

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Electrical and Electronic Engineering


  • Image reconstruction
  • Morphological filtering
  • Recursive order-statistic soft morphological filters


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