Dean serial number decoder9/13/2023 ![]() ![]() ![]() To resolve these problems, several methods have been investigated using image processing techniques. ROI detection is challenging for various reasons including uneven illumination, smears, and patterns present in the background. ![]() The first step includes detection of the region of interest (ROI) that contains the serial number in the acquired banknote image as well as enhancement of the acquired image. Typical serial number recognition systems execute a pre-processing step and a character recognition step. Consequently, banknote serial number recognition requires the design of a fast serial number recognition system with very high accuracy, a challenging task. In addition, real-time recognition must meet the required transaction times for teller machines. Unlike these other fields, serial number recognition for banknotes requires extremely high accuracy since even a small error can result in a huge financial loss. The serial number recognition problem essentially belongs to the printed character recognition problem which has been studied in other fields such as license plate recognition and address recognition. For this reason, many investigations of serial number recognition have been conducted. Correct recognition of banknote serial numbers is important because it can be used to trace the circulation routes of individual banknotes to provide essential information about economic activities. ![]()
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