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A banknote serial number identification method

A recognition method, a technology of serial number, applied in the direction of dealing with coins or valuable banknotes, checking the authenticity of banknotes, instruments, etc., can solve the problem of not being able to recognize similar characters well, and achieve the effect of improving accuracy

Active Publication Date: 2017-10-31
GRG BAKING EQUIP CO LTD
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Problems solved by technology

[0005] The embodiment of the present invention provides a banknote serial number recognition method, which can solve the problem that the existing character recognition process cannot recognize similar characters well

Method used

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  • A banknote serial number identification method
  • A banknote serial number identification method
  • A banknote serial number identification method

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Embodiment Construction

[0053] An embodiment of the present invention provides a banknote serial number recognition method, which is used to solve the problem that similar characters cannot be well recognized by existing character recognition processing.

[0054] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0055] see figure 1 , an embodiment of a banknote serial number identification method in the embodiment of...

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Abstract

The embodiment of the invention discloses a banknote serial number recognition method, which is used to solve the problem that the existing character recognition process cannot recognize similar characters well. The method in the embodiment of the present invention includes: acquiring the serial number image of the banknote; performing character cutting processing on the serial number image to obtain a plurality of character images; scaling all the character images to a preset same size; extracting the character images The feature vector; according to the feature vector and the pre-trained classifier model, character recognition is performed on the character image to obtain a preliminary recognition result; whether the preliminary recognition result falls into a preset similar character group, if so, then Perform secondary recognition on the character image, if not, output the primary recognition result.

Description

technical field [0001] The invention relates to the technical field of banknote identification, in particular to a banknote serial number identification method. Background technique [0002] With the wide application of optical character recognition technology in human production and life, banknote serial number recognition has become an important means of preventing economic crimes in the financial field, and automatic optical character recognition technology has attracted more and more attention from researchers. [0003] Banknote serial numbers are generally composed of numbers 0-9 and letters A-Z. According to the current sequence rules of RMB serial numbers, the first digit is a letter, the second, third, and fourth digits are numbers or letters, and the fifth to tenth digits are numbers. [0004] In character recognition processing, character feature extraction is one of the very important steps, especially in the field of banknote recognition, the feature similarity ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G07D7/206
CPCG07D7/2016
Inventor 王丹丹肖助明岳许要刘道余
Owner GRG BAKING EQUIP CO LTD
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