Biometric authentication technology

A biometric and biometric data technology, applied in the field of biometric authentication, can solve the problems of linear growth and time-consuming

Active Publication Date: 2012-12-26
ACCENTURE GLOBAL SERVICES LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Thus, the time to find a matching entry grows linearly and can be time consuming when the database contains many entries

Method used

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  • Biometric authentication technology
  • Biometric authentication technology
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Embodiment Construction

[0021] Existing techniques for biometric authentication scale linearly with the number of entries in the biometric database. That is, when the number of entries in the database is doubled or tripled, the time to authenticate an individual based on his or her biometrics will also be doubled or tripled. The techniques described in this disclosure may provide a logarithmically scaled biometric authentication. That is, when the number of entries in the database is doubled or tripled, the time to authenticate an individual based on his or her biometrics becomes the square root of 2 or the square root of 3.

[0022]In some implementations, to achieve improved scaling, the biometric authentication system may organize entries of biometric data in an ordered manner and may use a search process that utilizes knowledge of how the biometric data is ordered to Increase the average speed of searches for biometric data. Although biometric image data (e.g., fingerprint images, iris scans, f...

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Abstract

The invention claims a biological characteristics authentication technology the needle to the human group and maintenance of biometric characteristic data. Biological characteristic data it is comprised of ordered similarity and the ordered similarity score each of the calculated to indicate corresponding biological characteristic image with reference image the similarity between. Biological characteristics authentication system access one of the people at least part of the biological characteristic image access reference image and calculating indicates the access of the biological characteristic image with reference image the similarity between the similarity of score. Biological characteristics authentication system using computation of the similarity search and the biological characteristic data included in the ordered similarity score and based on the search result output.

Description

technical field [0001] The present disclosure relates to biometric authentication technology. Background technique [0002] A typical biometric authentication system includes a database of biometric information (eg, fingerprints, iris scans, facial images, etc.) about individuals. To identify or authenticate a sample of biometric information, a typical biometric authentication system compares the sample with entries in a database one by one until a match is found. Thus, the time to find a matching entry grows linearly and can be time consuming when the database contains many entries. Contents of the invention [0003] In one aspect, a biometric authentication system includes: a data storage system configured to maintain biometric data, including ranked similarity scores, for a group of persons. Each of the ranked similarity scores is calculated to represent the similarity between the corresponding biometric image and the reference image. The biometric authentication sys...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62
CPCG06F21/32G06K9/00892G06K9/00926G06F16/51G06V40/70G06V40/50G06V40/10
Inventor S·保罗A·A·蒂瓦里
Owner ACCENTURE GLOBAL SERVICES LTD
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