Design of a Switched-Current Median Filter

Chi Kong Tse; K. C. Chun

doi:10.1109/82.386176

Design of a Switched-Current Median Filter

Chi Kong Tse
, K. C. Chun

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

10 Citations (Scopus)

Abstract

This paper discusses the application of switched-current techniques to the implementation of median filters. A new switched-current element is introduced which has the ability to compare and toggle two signals. Using this new element and other basic constituents such as current mirrors and delay cells, a systolic algorithm can be implemented which performs the signal processing function of median filtering. Median filters implemented in this way enjoy all the inherent advantages of the current-mode circuit operation.

Original language	English
Pages (from-to)	356-359
Number of pages	4
Journal	IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing
Volume	42
Issue number	5
DOIs	https://doi.org/10.1109/82.386176
Publication status	Published - 1 Jan 1995

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/82.386176

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AB - This paper discusses the application of switched-current techniques to the implementation of median filters. A new switched-current element is introduced which has the ability to compare and toggle two signals. Using this new element and other basic constituents such as current mirrors and delay cells, a systolic algorithm can be implemented which performs the signal processing function of median filtering. Median filters implemented in this way enjoy all the inherent advantages of the current-mode circuit operation.

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Design of a Switched-Current Median Filter

Abstract

ASJC Scopus subject areas

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