ExperVision OCR has customized OCR software and solution that can meet the requirements of Euro Banknote and Serial Number Recognition.
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Our Solution for Euro Banknote & Serial Number recognition is as below
1) Pre-processing for Euro Banknote & Serial Number Recognition
The basic pre-processing includes binarization, trim, fattens and etc. As the backgrounds of each Banknote value are different and quite fixed, and based on our observation and analysis, we configured 7 pre-processing modules, which can be called based on the inputting of Banknote values. By doing so, the efficiency and stability have been greatly increased.
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2) OCR SDK fine tuning for Euro Banknote & Serial Number Recognition
ExperVision OCR needed to modify core algorithms and process flow to recognize special images such as images with misaligned characters, as well as special training to recognize the OCR-B font. For example, for the OCR-B font of the number 4, the vertical line is very short after binarization, so special training needs to be added for recognizing such number.
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3) Post-processing for Euro Banknote & Serial Number Recognition
- Post-processing rules: every Serial Number has 12 characters and the first character is always a letter and the remaining 11 are always numeric.
- Output format customization: specification custom structure for output as customized output text format containing serial number and character level confidence value based on customer specific requirements.
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