Segmentation method and device for recognizing identifying codes

A verification code and percentage technology, applied in character and pattern recognition, image enhancement, instruments, etc., can solve problems such as character sticking, and achieve the effect of solving character sticking and improving segmentation effect.

Inactive Publication Date: 2013-04-03
PEKING UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] The present invention aims to provide a segmentation method and device for identification of verification codes to solve the problem of character sticking in related technologies

Method used

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  • Segmentation method and device for recognizing identifying codes
  • Segmentation method and device for recognizing identifying codes
  • Segmentation method and device for recognizing identifying codes

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Embodiment Construction

[0027] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0028] figure 1 A flowchart showing a segmentation method for verification code identification according to an embodiment of the present invention, including:

[0029] Step S10, acquiring the verification code image;

[0030] Step S20, performing clustering processing on the verification code image to obtain a plurality of cluster images;

[0031] In step S30, a target image is obtained by screening from a plurality of cluster images.

[0032] Related technologies perform preprocessing such as grayscale, binarization, and gradient sharpening operations before character segmentation, which may cause serious loss of pixel information of characters, and there is often a phenomenon of adhesion between characters. However, this embodiment adopts clustering processing to effectively utilize the information in the verification code, whic...

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Abstract

The invention provides a segmentation method for recognizing identifying codes, comprising the steps of: acquiring an identifying code image; carrying out clustering processing of the identifying code image to obtain a plurality of cluster images; and screening the plurality of clustering images to obtain target images. The invention further provides a segmentation device for recognizing identifying codes, comprising an acquisition module for acquiring an identifying code image, a clustering module for clustering processing of the identifying code image to obtain a plurality of cluster images, and a screening module for screening the plurality of cluster images to obtain target images. Based on the segmentation method and the segmentation device, the segmentation effect of identifying codes is improved.

Description

technical field [0001] The present invention relates to the technical field of computer image processing, in particular to a segmentation method and device for verification code recognition. Background technique [0002] With the rapid development of Internet technology, while providing convenience for people to surf the Internet, it also provides hackers with a broader operating space, and online cracking poses an increasing threat to network security. In order to ensure that the requests submitted by users are normal online operations and prevent malicious behaviors of automated programs, more and more websites such as forum websites have adopted verification code technology to ensure the stability of the server system, the security of user information and the Internet. normal use. [0003] The verification code is a verification measure set up to distinguish whether the other party is a human or a computer program. It has a wide range of uses, such as preventing spam re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62G06T5/00
Inventor 秦晓吴於茜康凯
Owner PEKING UNIV
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