Approach to Fingerprint Feature Hiding Based on Two-Dimension Bar Code

赵季中; 郗旻; 田丽华; 智勇

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Approach to Fingerprint Feature Hiding Based on Two-Dimension Bar Code

更新时间：2025-12-08

- Approach to Fingerprint Feature Hiding Based on Two-Dimension Bar Code
- Vol. 41, Issue 2, Pages: 145-148(2007)
- 作者机构：
  
  西安交通大学电子与信息工程学院,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP391
- Online First：10 February 2007，
  
  Published：2007
- 稿件说明：
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赵季中, 郗旻, 田丽华, et al. Approach to Fingerprint Feature Hiding Based on Two-Dimension Bar Code[J]. 2007, 41(2): 145-148.
DOI：

赵季中, 郗旻, 田丽华, et al. Approach to Fingerprint Feature Hiding Based on Two-Dimension Bar Code[J]. 2007, 41(2): 145-148. DOI：

摘要

提出了一种将指纹特征信息隐藏在二维条码中的指纹信息保护方法.利用指纹图像的方向信息和频率信息确定二值化的阈值

采用PDF417条码的编码、译码技术实现指纹图像的预处理和特征提取

并将提取结果嵌入到二维条码中

当对指纹进行认证时

从二维条码中读取数据并解码

得到存储的指纹特征信息

从而达到认证、鉴别的目的.实验结果表明

所提方法可提高指纹特征信息的安全性

且识别、认证效率比较高

实现了指纹特征信息的远距离安全传输和高速录入

以及在线、离线的认证.

Abstract

A new solution for the protection of fingerprint information is proposed

in which fingerprint feature information is embedded into 2D bar code to prevent fingerprint information from being attacked. The direction and frequency information of the fingerprint image is utilized to ascertain the threshold of the binarization

and PDF 417 encoding is adopted for preprocessing and selecting the feature from fingerprint image

then the result of the extraction is embedded into 2D bar. When authentication is needed

the 2D bar is read and decoded to extract the saved fingerprint feature information

and then the aim of authentication and discrimination is approached. The experiment results show that the method can enhance effectively the security of the fingerprint feature information

likewise the efficiency of identification and authentication is higher

and also it is feasible for long range secure transmission and high speed type-in

as well as online/offline authentication.

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references

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