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Recognition of handprinted numerals in VISA® card application forms

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Abstract.

An optical character recognition (OCR) framework is developed and applied to handprinted numeric fields recognition. The numeric fields were extracted from binary images of VISA® credit card application forms. The images include personal identity numbers and telephone numbers. The proposed OCR framework is a cascaded neural networks. The first stage is a self-organizing feature map algorithm. The second stage maps distance values into allograph membership values using a gradient descent learning algorithm. The third stage is a multi-layer feedforward network. In this paper, we present experimental results which demonstrate the ability to read handprinted numeric fields. Experiments were performed on a test data set from the CCL/ITRI database which consists of over 90,390 handwritten numeric digits.

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Chiang, JH., Gader, P. Recognition of handprinted numerals in VISA® card application forms. Machine Vision and Applications 10, 144–149 (1997). https://doi.org/10.1007/s001380050067

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  • DOI: https://doi.org/10.1007/s001380050067

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