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 Banknote value. By so doing, the efficiency and stability have been greatly increased.
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2) OCR SDK fine tuning for for Euro Banknote & Serial Number Recognition
ExperVision OCR need to modify core algorithms and process flow to recognize special images like images of misalignment chars. And special training for OCR-B font also needs to be added. For example, the vertical line of number 4 is very short after binarization, so special training needs to be added for recognizing such number.
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3) Post-preprocessing for Euro Banknote & Serial Number Recognition
- Post-processing rules: every Serial Number has 12 Chars and first char is letter, the rest ones are numbers.
- Output Format Customization: outputting text format, saving in input folder and etc based on Specifications.
- Output required info containing Serial Number recognition result and confidence level of each char.
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