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Identity verification method and device using multi-biometric information similarity comparison

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

Active Publication Date: 2021-04-20
浙江臻享网络科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the shortcomings and deficiencies existing in the prior art, the present invention proposes an identity verification method 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

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  • Identity verification method and device using multi-biometric information similarity comparison
  • Identity verification method and device using multi-biometric information similarity comparison
  • Identity verification method and device using multi-biometric information similarity comparison

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Embodiment 1

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

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

This application proposes an identity verification algorithm and device using multi-biometric feature information similarity comparison, which belongs to the field of identity verification, including pre-stored user biometric templates; collecting the first type of biometric data, and calculating the first similarity between it and the corresponding template degree judgment value, if it is higher than the preset threshold, the identity verification is successful, otherwise the second type of biometric data is collected and combined with the previous judgment value to calculate the second similarity judgment value, if it is higher than the preset threshold, the identity verification is successful, otherwise Collect the second biometric data of the second type, and calculate the third similarity judgment value combined with the first two judgment values. If it is higher than the preset threshold, the identity verification is successful, otherwise the identity verification fails. Identity verification is carried out by using at least two types of three biometric data and accumulating the similarity contribution value of each biometric according to the algorithm to comprehensively calculate the similarity judgment value, effectively avoiding the failure of verification due to identity verification with a single biometric result.

Description

technical field [0001] The invention belongs to the field of identity verification, and in particular relates to an identity verification method 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 th...

Claims

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Application Information

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Patent Type & Authority Patents(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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