Pin number detection from mobile phone scratch card using OCR on android platform and build an application for balance recharge
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This thesis aims to detect mobile recharge card pin number portion by doing image processing. It works with Tesseract Engine and tess-two library for OCR operation. After detection, it extracts the OCRed text which is the pin number of recharge card and then it sends request to the respective mobile operator for recharging balance. We have built an android based cell phone application so that the thesis can be worthy of real life experience.