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Automatic recognising method and automatic recognising recording system for number of paper money

A banknote number and automatic identification technology, applied in the direction of character and pattern recognition, instruments, computer parts, etc., can solve the problems of decreased positioning rate and recognition rate, uneven brightness distribution, etc., to reduce the amount of data calculation, optimize the algorithm, The effect of increasing the running speed

Inactive Publication Date: 2009-06-10
SHENYANG POLYTECHNIC UNIV
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  • Summary
  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0004] 1. In the acquired banknote number image, the brightness distribution will be uneven due to illumination and reflection
At this time, the positioning rate and recognition rate will drop significantly, which is a difficult problem for the entire image processing and pattern recognition process
[0005] 2. The banknote images collected by the CCD contain various noises
[0006] 3. Banknotes will have different degrees of wear and stains during use, so this puts forward more stringent requirements for image processing and further recognition
[0007] 4. Most of the current online identification systems are based on PCs

Method used

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  • Automatic recognising method and automatic recognising recording system for number of paper money
  • Automatic recognising method and automatic recognising recording system for number of paper money
  • Automatic recognising method and automatic recognising recording system for number of paper money

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Embodiment Construction

[0029] The invention uses computer vision detection as an important technical means, comprehensively uses the knowledge of image processing and pattern recognition, and realizes the automatic recognition technology of banknote number images. Combined with the DSP circuit, through the acquisition of banknote number images, preprocessing, image segmentation, number body positioning, number body recognition and other algorithms, a DSP-based banknote number recognition and recording system has been completed in terms of software and hardware .

[0030] The method for automatically identifying banknote numbers can be implemented according to the following steps:

[0031] 1) Image preprocessing;

[0032] 2) Character positioning;

[0033] 3) feature extraction;

[0034] 4) Character recognition.

[0035] Wherein, step 1) may include performing noise reduction and segmentation processing on the collected original reading image, using template filtering method to remove noise in t...

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Abstract

A method for automatically identifying number of paper money includes preprocessing image, positioning character, picking up characteristics and identifying character. The automatic system used for identifying and recording number of paper money is also disclosed.

Description

technical field [0001] The invention belongs to the number automatic identification technology including letters and numbers, in particular to an automatic identification method and an automatic identification recording system for banknote numbers based on digital images. Background technique [0002] The number on the banknote is the identification of the printing quantity of the banknote, and there is no repetition on each sheet, so it can be used to identify the identity of the banknote. At present, the vast majority of banks in China are using the backward method of foreign high-end banknote detectors combined with manual copying of numbers. Once counterfeit currency is found in the warehouse, it will be well documented. Obviously, this method is not only backward, but also a waste of manpower and material resources, and it is difficult to adapt to the market. demand. Today, with the rapid development of the Internet and information technology, if an intelligent banknot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00G06K9/46G06K9/20
Inventor 苑玮琦汤永华张志佳桑海峰
Owner SHENYANG POLYTECHNIC UNIV