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Identity verification algorithm and device adopting multi-biometric feature information similarity comparison

A biometric information and biometric technology, applied in the field of identity verification algorithms and devices

Active Publication Date: 2019-08-02
浙江臻享网络科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the shortcomings and deficiencies in the prior art, the present invention proposes an identity verification algorithm and device using multi-biometric feature information similarity comparison, which can collect multiple biometric features of users in steps and make cumulative similarity judgments Value comprehensive calculation, so as to make up for the existing lack of single biometric identification, improve the reliability of biometric technology in identity verification and the accuracy of identity verification

Method used

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  • Identity verification algorithm and device adopting multi-biometric feature information similarity comparison
  • Identity verification algorithm and device adopting multi-biometric feature information similarity comparison
  • Identity verification algorithm and device adopting multi-biometric feature information similarity comparison

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Embodiment 1

[0088] In the embodiment of this application, an identity verification algorithm using similarity comparison of multiple biometric information is proposed, such as figure 1 As shown, the algorithm includes:

[0089] 11. Construct pre-stored template data corresponding to the first type of biological characteristics and the second type of biological characteristics, and the pre-stored template data includes one first-type biological characteristic template data and two second-type biological characteristic template data;

[0090] 12. Collect the first type of biometric data of the user, and calculate the first similarity between the first type of biometric data and the first type of biometric template data;

[0091] 13. Calculate the first similarity judgment value corresponding to the first similarity degree. If the first similarity judgment value is higher than the preset similarity threshold, the identity verification is successful;

[0092] 14. If the identity verification...

Embodiment 2

[0151] On the other hand, in the embodiment of this application, an identity verification device using similarity comparison of multiple biometric information is also proposed, such as image 3 As shown, the device includes:

[0152] The template data construction unit 21 is used to construct pre-stored template data corresponding to the first type of biological feature and the second type of biological feature, and the pre-stored template data includes the first type of biological feature template data and the second type of biological feature template data;

[0153] The first similarity calculation unit 22 is configured to collect the first type of biometric data of the user, and calculate the first similarity for comparison between the first type of biometric data and the first type of biometric template data;

[0154] The first identity verification unit 23 is used to calculate a first similarity judgment value corresponding to the first similarity, if the first similarity...

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Abstract

The invention provides an identity verification algorithm and device adopting multi-biometric feature information similarity comparison, and belongs to the field of identity verification, and the method comprises the steps: pre-storing a user biometric feature template; collecting first type of biological characteristic data, calculating a first similarity judgment value between the template and the corresponding template; if above a preset threshold, identity verification success, otherwise, collecting a second type of biological characteristic data and calculating a second similarity judgment value by combining the previous judgment value; and if the two judgment values are higher than the preset threshold value, the identity verification succeeding, otherwise, collecting the second typeof biological characteristic data, calculating a third similarity judgment value by combining the first two judgment values, if the two judgment values are higher than the preset threshold value, theidentity verification succeeding, and otherwise, the identity verification being failed. Identity verification is carried out by adopting at least two types of three biological characteristic data and accumulating the biological characteristic similarity contribution values according to an algorithm to comprehensively calculate a similarity judgment value, so that a result of verification failureeasily caused by identity verification by virtue of a single biological characteristic is effectively avoided.

Description

technical field [0001] The invention belongs to the field of identity verification, and in particular relates to an identity verification algorithm and device using multi-biological feature information similarity comparison. Background technique [0002] In the application of self-service certificate issuance equipment (such as self-service certificate collection machine for resident ID cards), the identity verification of the person who collects the witness and the certificate is involved. Only after the identity verification is passed, the system allows the certificate to be issued. At present, in the process of identity verification, the information that can be used for identity verification mainly includes the holder's avatar information and up to two fingerprint information (two finger positions). In the future, iris, palm prints, and veins may also be added. More reliable biometric information such as fingerprints is used for identity verification. [0003] Since when...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/32G06K9/00G06K9/62
CPCG06F21/32G06V40/70G06V10/751G06F18/22
Inventor 曾仕途
Owner 浙江臻享网络科技有限公司
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