Method and device for extracting number for identification of bank note authenticity

Abstract

The invention discloses a method and equipment for identifying the authenticity of banknotes by extracting numbers, comprising: acquiring the first side image and the second side image of the banknote; judging whether there is a number that can be extracted in the two number areas in the first side image If there is none, judge whether there are numbers that can be extracted in the two number areas in the second image; if there are numbers that can be extracted in the two areas in the first image or the second image, it is judged that there is Whether the two number areas of the extracted number match the corresponding relationship between the stored first number area and the second number area; if so, extract the numbers in the two number areas; judge the extracted first number and the second number area Whether the number is the same number, when it is the same number, judge whether the number is a real banknote number, if so, determine it as a real banknote; otherwise determine it as a counterfeit banknote. It can conveniently and quickly extract the number area on the banknote, accurately extract the number, perform comparison and identification, and accurately determine the authenticity of the banknote.

Description

Technical field [0001] The invention belongs to the technical field of banknote authentication, and in particular relates to a method and device for extracting a number to identify the authenticity of a banknote. Background technique [0002] Banknotes are widely used as a circulation medium in the economic market. With the development of the market economy, various counterfeit banknotes are also emerging in an endless stream. Counterfeit banknotes will also appear during the use of banknotes. In order to ensure the authenticity of banknotes, various counterfeiting , The demand for testing equipment is becoming larger and larger. [0003] Various authentication and detection equipment check the authenticity of banknotes through various anti-counterfeiting features on the banknotes. The serial number (or called number, prefix code) on the banknote is the unique sign that identifies the identity of a single banknote. During detection, the number recognition is also used to determine...

AI Technical Summary

Problems solved by technology

[0005] In view of this, an object of the present invention is to provide a method and device for extracting numbers to identify the authenticity of banknotes, so as to solve the problem in the prior art that the numbers in the two number areas cannot be accurately detected, and the detection accuracy and reliability are low. The problem

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