Banknote and coin speaker device for blind people
Conference proceedings article
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Publication Details
Author list: Sirikham A., Chiracharit W., Chamnongthai K.
Publication year: 2009
Volume number: 3
Start page: 2137
End page: 2140
Number of pages: 4
ISBN: 9788955191387
ISSN: 1738-9445
Languages: English-Great Britain (EN-GB)
Abstract
In this paper, we present a new technology device for help some blind people to perceive banknote and coin by voice. The system contains 2 sections: hardware and software. The hardware consists of 3 main parts: input part, processing part, and output part. The input part wiD get image from the camera (CMUcaml [I), [2)). The processing part uses a microcontroller MCS-SI for classify banknote and coin. The output part uses voice recorder IC and speaker to show the voice of bank note and coin value. The software part performs to classifying type of banknote and coin. The banknote is classified from average red, green, and blue in RGB model. To classify the coin, difference of size is considered. We test the device with Thai banknote and Thai coin, and the result is correct about 80%.
Keywords
Banknote and coin speaker, Device for blind people