Multi-national paper money serial number identification method based on sorting machine

A serial number and sorting machine technology, applied in the field of automatic identification, can solve the problem of not being able to adapt to the size change of characters in complex backgrounds

Active Publication Date: 2015-09-09
ZHEJIANG UNIV
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Problems solved by technology

[0004] In order to solve the above problems, the object of the present invention is to provide a multi-country banknote serial number recognition method based on a sorting machine, which adopts a secondary segmentation method combined with prior knowledge of banknotes and

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  • Multi-national paper money serial number identification method based on sorting machine
  • Multi-national paper money serial number identification method based on sorting machine
  • Multi-national paper money serial number identification method based on sorting machine

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[0042] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0043] On the contrary, the present invention covers any alternatives, modifications, equivalent methods and schemes defined by the claims in the spirit and scope of the present invention. Further, in order to enable the public to have a better understanding of the present invention, in the following detailed description of the present invention, some specific details are described in detail. Those skilled in the art can fully understand the present invention without the description of these details.

[0044] reference figure 1 , Shown is a flow chart of the steps of the method for recognizin...

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Abstract

The embodiment of the invention discloses a multi-national paper money serial number identification method based on a sorting machine, and the method employs a character matching template to recognize a to-be-recognized character. The method comprises the steps: firstly enabling an obtained paper money serial number image to be converted into a gray scale image; secondly determining a character recognition region through initial location, binaryzation and relocation; thirdly enabling the size of a character region to be consistent with the size of a matching template through normalization; and finally screening out matched characters through dot product, and completing the recognition. The method not only avoids the influence from noisy points, and can save a filtering step. The method is suitable for a plurality of current mainstream currency types: RMB, dollar, Euro, Hongkong dollar, and yen.

Description

technical field [0001] The invention belongs to the technical field of automatic identification, and in particular relates to a multi-country banknote serial number identification method based on a sorting machine, a secondary segmentation method combined with prior knowledge of banknotes, and a character identification method based on template matching. Background technique [0002] In the financial field, each banknote has a unique serial number, which is equivalent to the ID card of the banknote, so the serial number becomes an important identification of the banknote. Whether it is classification or anti-counterfeiting, the serial number plays a vital role. At present, the number of economic disputes and illegal capital flow cases is increasing day by day. In addition, in the fight against violent banknote robbery and money laundering, the serial number is a powerful tool for the state machine to manage banknote flow, which is conducive to social stability. At present, ...

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Application Information

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IPC IPC(8): G07D7/20
Inventor 于慧敏施成燕李伊清
Owner ZHEJIANG UNIV
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