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Equal-proportion reduction method and device for frame number

A vehicle frame number and equal-proportion technology, applied in the field of ratio restoration methods and devices, can solve the problems of unclear frame number restoration and low efficiency, and achieve the effects of improving accuracy and clarity, improving efficiency, and improving accuracy

Pending Publication Date: 2022-02-22
重庆一极科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the shortcomings of the prior art described above, the purpose of this application is to provide a method and device for equal-proportional restoration of the VIN, which is used to solve the problem of unclear and inefficient reduction of the VIN in the prior art

Method used

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  • Equal-proportion reduction method and device for frame number
  • Equal-proportion reduction method and device for frame number
  • Equal-proportion reduction method and device for frame number

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Embodiment Construction

[0063] The implementation of the present application will be described by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in this specification.

[0064] In the following description, reference is made to the accompanying drawings, which illustrate several embodiments of the application. It is to be understood that other embodiments may be utilized, and that mechanical, structural, electrical, and operational changes may be made without departing from the spirit and scope of the present disclosure. The following detailed description should not be considered as limiting, And the scope of the embodiments of the present application is defined only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application. Spatially relative terms such as "upper", "lowe...

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Abstract

The invention provides an equal-proportion reduction method and device for a frame number. The method comprises the following steps: acquiring an image comprising a frame number and a reference object, wherein the reference object comprises a plurality of key points; according to the image coordinates between the reference object key points and the actual physical size, obtaining a corresponding relation between each pixel coordinate and the actual physical size under a first preset resolution; obtaining the measurement size of the reference object according to the corresponding relation and the pixel coordinates of the reference object key points in the image; and when the error value between the measurement size and the actual physical size of the reference object is smaller than a preset error threshold value, obtaining the actual physical size corresponding to each pixel of the size to be restored under the second preset resolution so as to restore the frame number. According to the equal-proportion reduction method and device for the vehicle frame number, automatic reduction of the vehicle frame number is achieved, the reduction efficiency is improved, and meanwhile the precision is improved.

Description

technical field [0001] The present application relates to the technical field of image processing, and in particular to a method and device for equal-proportion restoration of a vehicle frame number. Background technique [0002] With the development of the economy, more and more families start to buy motor vehicles (cars, motorcycles). At the same time, with the rapid development of logistics, there are more and more trucks, and the management of various motor vehicles is becoming more and more strict. . When managing motor vehicles, it is very important to manage the engine number and frame number of the motor vehicle. [0003] Whether it is the registration of the motor vehicle, the annual inspection or the transfer of ownership, it is necessary to rub the engine number and frame number of the motor vehicle and keep it on file, so that it can be retained by comparison when the next annual inspection or when moving in or moving out Whether the engine number and frame num...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/80G06V20/62G06V10/24G06V10/32
CPCG06T7/80
Inventor 赵鹏伦
Owner 重庆一极科技有限公司
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