A modular current-mode classifier circuit for template matching application

Bin Da Liu, Chuen Yau Chen, Ju Ying Tsao

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)

Abstract

In this brief, a current-mode Euclidean distance calculator circuit is proposed to play the role of a classifier. This classifier circuit is designed based on a subtracter circuit, an absoluter circuit, a squarer/divider circuit, and a square-rooter/multiplier circuit. The modular design of this classifier allows it to be easily extended for classification application with more input dimensions by doing some proper signal-scaling work due to the dynamic range limited by the square-rooter/multiplier circuit. This classifier circuit has been fabricated with a 0.6-/Ltm single-polysilicon double-metal CMOS process. Both simulation results and measurements of the implemented chip are presented to confirm the function of this classifier.

Original languageEnglish
Pages (from-to)145-151
Number of pages7
JournalIEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing
Volume47
Issue number2
DOIs
Publication statusPublished - 2000 Dec 1

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Electrical and Electronic Engineering

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