Banknote denomination identification method and system
A recognition method and banknote technology, applied in the field of image recognition, can solve problems such as low recognition accuracy, poor scalability, and slow operation speed, and achieve excellent recognition effects, strong versatility, and high execution efficiency.
Pending Publication Date: 2022-04-29
武汉卓目科技有限公司
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Problems solved by technology
[0006] The present invention provides a banknote denomination recognition method and system, which are used to solve the common defects of low recognition accuracy, slow operation speed and poor scalability for banknote denomination recognition in the prior art
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[0038] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0039] Aiming at the defects existing in the prior art, the present invention proposes a banknote denomination recognition method based on machine learning, figure 1 It is a schematic flow chart of the banknote denomination recognition method provided by the present invention, such as figure 1 shown, including:
[0040] Step S1, obtaining banknotes to be identified, and extracting frequency...
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The invention provides a banknote denomination identification method and system, and the method comprises the steps: obtaining a to-be-identified banknote, and extracting the frequency domain features of the to-be-identified banknote; acquiring a banknote classification feature operator, and performing preset operation on the frequency domain feature of the to-be-identified banknote and the banknote classification feature operator to obtain a banknote category score set; and determining the banknote classification corresponding to the category with the maximum score in the banknote category score set as the identification result of the banknote to be identified. The machine learning method is adopted to carry out denomination recognition on the banknotes, the method has the advantages of being high in universality and execution efficiency, and especially has a better recognition effect on the banknotes which are deformed and stained.
Description
technical field [0001] The invention relates to the technical field of image recognition, in particular to a banknote denomination recognition method and system. Background technique [0002] In the application of financial equipment products, banknote denomination recognition is its core function. All banknote counting and counterfeiting functions are based on correct recognition of banknote denominations. Strictly speaking, denomination recognition errors are not allowed. The traditional image-based denomination recognition method has high requirements on the quality of the recognized image. When the collected image is deformed, this recognition method is difficult to effectively deal with, especially when facing plastic banknotes, the problem of inaccurate denomination recognition is more prominent. In addition, with the ever-increasing requirements of financial equipment products for counting banknotes, the general requirement is more than 900 pieces per minute, so it i...
Claims
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IPC IPC(8): G06V30/413G06T3/00G06N20/00G06K9/62G06V10/764G06V30/42G06V10/774
CPCG06N20/00G06F18/2411G06F18/214G06T3/147
Inventor 王辉康松伍昂
Owner 武汉卓目科技有限公司