Similar character recognition method and paper currency crown code recognition method

• Main Authors: GUO LIHU, XIA AIHUA
• Format: Patent
• Language: Chinese; English
• Published: 05.10.2016
• Subjects: CHECKING-DEVICES; HANDLING OF COINS OR OF PAPER CURRENCY OR SIMILAR VALUABLEPAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING,DISPENSING, CHANGING OR DEPOSITING; PHYSICS

The invention discloses a similar character recognition method and a paper currency crown code recognition method, and particularly discloses a crown word recognition method for 100-yuan notes of the fifth series of the renminbi. According to the method, similar characters B and 8, O and Q, 7, J and T, 2 and Z, 6, G and E, C and G, E and F and O and D which are liable to confuse are analyzed, and the method is applied to paper currency crown code recognition to solve the problem of algorithm accuracy so that the recognition rate of crown codes can be enhanced, and the recognition rate of the crown codes is enabled to be 99.9% or more than 99.9%. 本发明公开了种相似字符辨别方法及纸币冠字码识别方法，并具体公开了种对第五套人民币面值为100元纸币的冠字识别方法，该方法分别针对容易混淆的相似字符B与8，O与Q，7、J与T，2与Z，6、G与E,C与G,E与F，O与D进行分析，并运用于纸币冠字码识别中解决算法精度问题，提高了冠字码的识别率，使得冠字码识别率达到99.9%或以上。