BANKNOTE INSPECTION DEVICE, BANKNOTE INSPECTION METHOD, AND BANKNOTE INSPECTION PROGRAM

The present invention relates to a banknote inspection device capable of increasing the accuracy of banknote serial number recognition. In the banknote inspection device (14), a storage unit (23) stores a first learning model generated by using, as teaching data therefor, a character image having a hole; and a second learning model generated by using, as teaching data therefor, a character image not having a hole. A serial number recognition unit (24) recognizes the characters that form a serial number for a bank note BL, by using the first learning model if the character image has a hole and, and if the character image does not have a hole, uses a second learning model and recognizes the characters that form the serial number for the bank note BL. 能够提高纸币序列号识别的准确度的纸币检查装置。在纸币检查装置(14)中，存储单元(23)存储：使用有孔的字符图像作为训练数据而生成的第一学习模型，以及使用没有孔的字符图像作为训练数据而生成的第二学习模型。序列号识别单元(24)在字符图像有孔的情况下使用第一学习模型来识别形成纸币BL的序列号的字符，并且在字符图像没有孔的情况下使用第二学习模型并识别形成纸币BL的序列号的字符。