Direct Analog Rank Filtering

Kiichi Urahama, Takeshi Nagao

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)


An analog method is developed for selecting a rank order element directly from a set of samples. Simple nonlinear equations are presented for the order statistic and the weighted order statistic and these equations are implemented with analog MOS circuits. The circuit contains no sorting subsystem and no clock signal. The length of wiring in the circuit is proportional only linearly to the number of input samples.

Original languageEnglish
Pages (from-to)385-388
Number of pages4
JournalIEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications
Issue number7
Publication statusPublished - Jul 1995

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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