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Banknote identification method, device, terminal equipment and readable storage medium

A banknote identification and banknote technology, applied in the field of financial equipment, can solve problems such as low accuracy of patchwork coins

Active Publication Date: 2019-07-26
SHENZHEN YIHUA COMP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides a banknote identification method, device, terminal equipment and readable storage medium to solve the problem of low accuracy in identifying patchwork coins in the prior art

Method used

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  • Banknote identification method, device, terminal equipment and readable storage medium
  • Banknote identification method, device, terminal equipment and readable storage medium
  • Banknote identification method, device, terminal equipment and readable storage medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Such as figure 1 What is shown is a schematic flowchart of a banknote recognition method provided by an embodiment of the present invention, and the method may include:

[0069] Step S101: Collect an infrared transmission image of the banknote to be identified.

[0070] In this embodiment, the banknote to be identified is the fifth set of Renminbi with a denomination of 100 yuan.

[0071] Step S102, extracting the first sub-image of the first characteristic area and the second sub-image of the second characteristic area in the infrared transmission image.

[0072] The first characteristic area is the area where the number representing the denomination is located at the upper left of the back of the banknote to be recognized, and the second characteristic area is the area where the number representing the denomination is located at the upper right of the back of the banknote to be recognized.

[0073] Preferably, as figure 2 As shown, step S102 may specifically include:

[0074] S...

Embodiment 2

[0102] Such as image 3 What is shown is a schematic flowchart of a banknote recognition method provided by an embodiment of the present invention, and the method may include:

[0103] Step S301: Collect an infrared transmission image of the banknote to be identified.

[0104] Step S302, extracting the first sub-image of the first characteristic area and the second sub-image of the second characteristic area in the infrared transmission image.

[0105] Step S303: Calculate the first average gray value of the first sub-image and the second average gray value of the second sub-image respectively.

[0106] Among them, steps S301 to S303 are the same as steps S101 to S103 in the first embodiment. For details, please refer to the description in the first embodiment, which will not be repeated in this embodiment.

[0107] Step S304: It is determined whether the magnitude of deviation between the first average gray value and the second average gray value is greater than a preset first threshol...

Embodiment 3

[0123] Such as Figure 4 What is shown is a schematic block diagram of a banknote recognition device provided by an embodiment of the present invention, and the device may include:

[0124] The image collection module 401 is used to collect infrared transmission images of the banknotes to be identified;

[0125] The sub-image extraction module 402 is used to extract the first sub-image of the first characteristic area and the second sub-image of the second characteristic area in the infrared transmission image, where the first characteristic area is the upper left of the back of the banknote to be recognized Square represents the area where the denomination numbers are located, and the second characteristic area is the area where the denomination numbers are located at the upper right of the back of the banknote to be identified;

[0126] The first calculation module 403 is configured to calculate the first average gray value of the first sub-image and the second average gray value o...

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Abstract

The invention belongs to the field of financial facilities and particularly relates to a money recognition method and device, a terminal device and a readable storage medium. The method comprises steps o acquiring an infrared transmission image of to-be-recognized money; extracting a first sub image of a first feature region and a second sub image of a second feature image in the infrared transmission image; calculating a first average gray scale value of the first sub image and a second average gray scale value of the second sub image; and if the deviation amplitude of the first average gray scale value and the second average gray scale value is larger than a preset first threshold, determining that the to-be-recognized money is abnormal money. According to the invention, by fully using the special optical characteristics of spliced abnormal money, recognition accuracy for the spliced abnormal money can be greatly improved.

Description

Technical field [0001] The invention belongs to the field of financial machinery, and in particular relates to a banknote recognition method, device, terminal equipment and readable storage medium. Background technique [0002] Paper currency recognition is one of the basic functions of various ATM machines. The main principle is to use various marks set on the paper currency to determine the authenticity of the paper currency to prevent counterfeit currency from flowing into the market and affecting the normal financial order. [0003] At present, commonly used banknotes generally have anti-counterfeiting marks such as black watermark, white watermark, brilliance ink, and brilliance light change, through which counterfeit money can be effectively identified. However, some criminals will respond to the detection by patching abnormal coins, such as dividing a real coin into two, patching the half-real and half-fake pieces together, using the anti-counterfeiting mark on the real coin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G07D7/005G07D7/20
CPCG07D7/2016G07D7/2075
Inventor 黄勃
Owner SHENZHEN YIHUA COMP
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