Privacy protection iris recognition method and system based on genetic algorithm

A privacy protection and iris recognition technology, applied in the field of privacy protection and security, can solve problems such as data loss, irreversibility, privacy leakage, etc., and achieve good recognition performance

Pending Publication Date: 2022-05-27
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, people's biometric data often face serious privacy leakage problems, especially most of the content of biometric information suc

Method used

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  • Privacy protection iris recognition method and system based on genetic algorithm
  • Privacy protection iris recognition method and system based on genetic algorithm
  • Privacy protection iris recognition method and system based on genetic algorithm

Examples

Experimental program
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Example Embodiment

[0081] The following are specific examples:

[0082] The technical solutions of the registration phase, the identification phase, and the performance evaluation of the method described in this embodiment are as follows:

[0083] In the registration stage, the user submits a piece of iris data t to the server to request registration, and the server first checks the validity of the data. If the data is legal, the server converts the original iris data submitted by the user into a privacy-protected iris template t' by using a privacy-protected iris template generation algorithm based on genetic algorithm design, and adds it to the iris template database, and returns the registration success.

[0084] Specifically, the registration phase includes the following steps:

[0085] Step 11: Initialize a population of size population_size

[0086]First, set the population size population_size according to the application scenario. The larger the population size, the less likely it is f...

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Abstract

The invention discloses a privacy protection iris recognition method based on a genetic algorithm, and the method comprises the steps: a registration stage: obtaining iris data t submitted by a user, checking the legality of the data, converting the original iris data t submitted by the user into a privacy protection iris template t ', adding the privacy protection iris template t' into an iris template database, and returning registration success information; in the recognition stage, iris data d which are submitted by a user and collected in real time are obtained, the Hamming distance between d and iris templates in the iris template database is calculated, when the Hamming distance is smaller than or equal to a threshold value C, recognition succeeds, and if the Hamming distances between all templates in the template database and the iris data d are all larger than C, recognition fails. The invention further provides a privacy protection iris recognition system based on the genetic algorithm. The privacy protection iris recognition scheme provided by the invention has good recognition performance.

Description

technical field [0001] The invention belongs to the field of privacy protection and security, in particular to a privacy protection iris recognition method and system formed by using a genetic algorithm to improve a traditional iris recognition method. Background technique [0002] With the rapid development of Internet technology, our life is developing in the direction of intelligence and digitization. The wide application of emerging Internet technologies such as big data provides us with various conveniences, but also brings some unavoidable problems, the most important of which is the leakage of user privacy. In recent years, the frequent leakage of user privacy data at home and abroad has further increased people's attention to their own privacy data. Once a large amount of user data is leaked, it will not only cause huge economic losses to the society or enterprises, but also cause great harm to the physical and mental health of users whose privacy is leaked. Theref...

Claims

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Application Information

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IPC IPC(8): G06V40/18G06F21/62G06N3/12
CPCG06N3/126G06F21/6245
Inventor 赵冬冬廖虎成苏冰羽
Owner WUHAN UNIV OF TECH
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