Multi-national banknote classification based on visible-light line sensor and convolutional neural network

Tuyen Danh Pham, Dong Eun Lee, Kang Ryoung Park

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Automatic recognition of banknotes is applied in payment facilities, such as automated teller machines (ATMs) and banknote counters. Besides the popular approaches that focus on studying the methods applied to various individual types of currencies, there have been studies conducted on simultaneous classification of banknotes from multiple countries. However, their methods were conducted with limited numbers of banknote images, national currencies, and denominations. To address this issue, we propose a multi-national banknote classification method based on visible-light banknote images captured by a one-dimensional line sensor and classified by a convolutional neural network (CNN) considering the size information of each denomination. Experiments conducted on the combined banknote image database of six countries with 62 denominations gave a classification accuracy of 100%, and results show that our proposed algorithm outperforms previous methods.

Original languageEnglish
Article number1595
JournalSensors
Volume17
Issue number7
DOIs
StatePublished - 8 Jul 2017

Keywords

  • Convolutional neural network
  • Multi-national banknote classification
  • One-dimensional line sensor
  • Visible-light banknote images

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