Using Hidden Markov Models for paper currency recognition |
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| Authors: | Hamid Hassanpour Payam M Farahabadi |
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| Affiliation: | 1. School of Information Technology and Computer Engineering, Shahrood University of Technology, P.O. Box 316, Shahrood, Iran;2. Babol University of Technology, P.O. Box 484, Babol, Iran;1. Young Researchers and Elite Club, Ahar Branch, Islamic Azad University, Ahar, Iran;2. Department of Horticultural Science, Tabriz Branch, Islamic Azad University, Tabriz, Iran;3. Department of Horticultural Sciences, Faculty of Agricultural Sciences, Urmia University, Urmia, Iran;1. Dept. of Electrical and Electronic Engineering, Yonsei Univ., 134 Shinchon-Dong, Seodaemun-Gu, Seoul, South Korea;2. Advanced Development, R&D Nautilus Hyosung Inc., Seoul, South Korea;1. Department of Horticultural Science, Tabriz Branch, Islamic Azad University, Tabriz, Iran;2. Young Researchers and Elite Club, Ahar Branch, Islamic Azad University, Ahar, Iran;3. Department of Horticultural Sciences, Faculty of Agricultural Sciences, University of Urmia, Urmia, Iran |
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| Abstract: | Accurate characterization is an important issue in paper currency recognition system. This paper proposes a robust paper currency recognition method based on Hidden Markov Model (HMM). By employing HMM, the texture characteristics of paper currencies are modeled as a random process. The proposed algorithm can be used for distinguishing paper currency from different countries. A similarity measure has been used for the classification in the proposed algorithm. To evaluate the performance of the proposed algorithm, experiments have been conducted on more than 100 denominations from different countries. The results indicate 98% accuracy for recognition of paper currency. |
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