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2. A. Wilson, “License plate recognition software targets embedded systems,” Vision Syst. Design 17 (1), 12–13 (2012).
3. Train OCR Portal. http://www.camco.be/camco/en/products/train-ocr-portal
4. Rail Automation. http://www.htsol.com/Products.asp?id=83
5. “AEI/OCR system verification,” Techn. Report no. TP 14143E (DTI Telecommunications, 2003).