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Computer-assisted screening method and system for motor vehicle VIN code rubbing film

A computer-aided, motor vehicle technology, applied in computer parts, computing, character and pattern recognition, etc., can solve problems such as difficult recognition, blurred characters, etc., to achieve the effect of strong applicability, lightening labor intensity, and improving screening efficiency

Inactive Publication Date: 2018-09-28
大连方盛科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The invention discloses a computer-aided screening method for the VIN code rubbing film of a motor vehicle, which can effectively improve the screening efficiency and recognition accuracy of the VIN code rubbing film, and can overcome the long-term storage of the original VIN code rubbing film to a certain extent. During the process, there are problems that are difficult to recognize caused by natural stretching and deformation, some characters are blurred, etc.

Method used

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  • Computer-assisted screening method and system for motor vehicle VIN code rubbing film
  • Computer-assisted screening method and system for motor vehicle VIN code rubbing film
  • Computer-assisted screening method and system for motor vehicle VIN code rubbing film

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Embodiment Construction

[0037] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the drawings in the embodiments of the present invention:

[0038] Such as figure 1 Shown: the invention discloses a computer-aided screening method for a motor vehicle VIN code rubbing film, comprising the following steps:

[0039] Step S1, extracting files, scanning the original VIN code rubbing film and the rubbing film to be screened and saving them as image files in the same format, the system extracts and opens the original VIN code rubbing film image and the rubbing film image to be screened;

[0040] Step S2, select two groups of feature point pairs, extract the original VIN code rubbing film image and the VIN code feature points located in the same position of the VIN code character area in the original VIN code r...

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Abstract

The invention discloses a computer-assisted screening method and a system thereof for a motor vehicle VIN code rubbing film. The method comprises the steps of: extracting and opening an original VIN code rubbing film and an image corresponding to the rubbing film to be screened; respectively extracting the original VIN code rubbing film and two sets of feature point pairs in the image of the rubbing film to be screened; displaying the naturalized image of the VIN code character area according to the position of the two sets of feature point pairs to obtain the original VIN code character imageand the VIN code character image of the rubbing film to be screened; combining and superimposing the VIN code character image of the original VIN code rubbing film and the VIN code character image ofthe rubbing film to be screened by using screening line as the boundary; and obtaining the screening result. The VIN code rubbing film screening method disclosed in the invention has simple operation, strong applicability and high recognition precision. In the actual work of the VIN code rubbing film, the invention not only improves the screening efficiency and the comparison accuracy and reducesthe labor intensity of the vehicle management personnel, but also is applicable to various types of VIN code rubbing films.

Description

technical field [0001] The invention relates to the technical field of motor vehicle VIN code screening, in particular to a computer-aided screening method and system for a motor vehicle VIN code rubbing film. Background technique [0002] The VIN code is composed of 17 characters, including the vehicle manufacturer, year, model, body type and code, engine code, and assembly location. Correctly interpreting the VIN code will help you diagnose the vehicle for the correct identification of the model. and repairs are significant. In addition, motor vehicle VIN code screening is also widely used in many fields such as anti-counterfeiting identification of vehicle frame numbers in traffic control departments of public security and traffic police, judicial appraisal, and insurance claims. The screening process is usually to scan the original rubbing film of the VIN code and the rubbing film to be inspected and save them as image files respectively, and use computer software to al...

Claims

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Application Information

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IPC IPC(8): G06K9/32G06Q30/00
CPCG06Q30/018G06V10/242
Inventor 于源高景东于开益高婉宁朱弈君
Owner 大连方盛科技有限公司
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