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Paper money discrimination method and device

A banknote and counterfeit identification technology, which is applied in the field of banknote identification methods and devices, can solve problems such as inability to imitate, and achieve the effects of easy assembly of equipment, difficult cracking, and simple identification method

Inactive Publication Date: 2012-10-17
BEIJING NUFRONT SOFTWARE SCI TECH
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Problems solved by technology

[0003] However, in the prior art, the detection of the security thread is all aimed at the detection of the anti-counterfeiting features of the security thread itself; due to the window-type security thread release process, obvious light and dark stripes can be seen on both sides of the security thread when it is transmitted. Indentation pattern, and counterfeit money cannot imitate this feature because there is no corresponding process equipment

Method used

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  • Paper money discrimination method and device
  • Paper money discrimination method and device
  • Paper money discrimination method and device

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Embodiment Construction

[0052] The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. These embodiments of the present invention may be referred to herein, individually or collectively, by the term "invention", which is for convenience only and is not intended to automatically limit the application if in fact more than one invention is disclosed The scope is any individual invention or inventive concept.

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Abstract

The invention discloses a paper money discrimination method and a device. The method comprises the following steps: acquiring a transmission image of a region with window-open type safety line indentation characteristics on paper money, wherein the region is transmitted by light beam; and analyzing and recognizing the indentation characteristics in the image so as to determine the authenticity of the paper money. The method and the device of the invention have advantages of good adaptability to various currencies, low hardware cost, a high detection and recognition rate, stable and reliable performance, etc.

Description

technical field [0001] The invention belongs to the field of photoelectric technology, and in particular relates to a banknote authenticating method and device. Background technique [0002] The core problem in the field of financial instruments is the identification of counterfeit banknotes. Security thread is a linear or strip-shaped additive that is continuously put into the paper during papermaking, parallel to the paper surface, and has anti-counterfeiting functions. The earliest safety thread in the world was spun into thread from natural hemp or silk, which was continuously added to the inside of the paper when making paper. At present, the security thread is often based on PET (polyester), on which various visible, optically variable and machine-readable anti-counterfeiting features are loaded. Present banknote security threads are generally 20-40 μm thick, 1-4mm wide, and the length is the same as the width of a single banknote after cutting. Security threads are...

Claims

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Application Information

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IPC IPC(8): G07D7/20
CPCG07D7/12G07D7/0026G07D7/0043
Inventor 陈新唐辉成和建鲍东山
Owner BEIJING NUFRONT SOFTWARE SCI TECH
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