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Biocharacteristics fusioned identity distinguishing and identification method

A biometric and identity recognition technology, applied in character and pattern recognition, instruments, computer components, etc., can solve problems such as difficult operation, influence, user failure of iris sample quality, etc.

Inactive Publication Date: 2007-12-19
TSINGHUA UNIV
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  • Claims
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AI Technical Summary

Problems solved by technology

However, these systems also face many problems. For example, the face recognition system is very sensitive to factors such as illumination, posture and expression; It is likely that the quality of the collected user's iris sample is too poor or the user is invalid due to ophthalmic diseases; Online signature samples have an impact; and for offline handwriting recognition systems, even for the same user, the signature and handwriting will have large differences in different periods and in different states of the user, not to mention the challenges it faces. The problem of counterfeiting and counterfeiting

Method used

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Embodiment Construction

[0137] In the multi-mode biological feature fusion system of the present invention, the fusion module is the key.

[0138] First, the location of the fusion module is in the matching layer. That is to say, the input of the fusion module is the score output by each biometric authentication sub-module after template matching. This is not only different from using the feature vectors output by different biometric authentication systems as input when the feature layer is fused, but also different from using the logic variables output by different biometric authentication systems as input when the decision-making layer is fused.

[0139] Secondly, according to the different requirements of identification and authentication, the fusion module is divided into identification fusion sub-module, authentication fusion sub-module and identification authentication fusion sub-module. The identification fusion sub-module needs to complete the work of judging "who is the user?", that is, it ...

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Abstract

This invention relates to a sorter integration and mode identification field characterizing in obtaining characters of man-face, iris, on-line signature and off-line handwriting of a user by various collecting devices then sending them to corresponding certification sub-modules to pick up the characters and match with the molding boards and outputting the matched marks to be normalized and sent to an identification combined module to get the final identification result by confidence integration or sent to a certification module to be imaged to a multi-dimension space to be sorted by a sorter to get a final result or to be certified and combined to get the final identification result.

Description

technical field [0001] The invention belongs to the field of classifier integration and pattern recognition, but it also includes the contents of the fields of face recognition, iris recognition and character recognition. Background technique [0002] Identity authentication is a difficult problem in protecting information security. Traditional authentication methods often use passwords, certificates or some existing specific knowledge as the user's authority to enter the system. However, because the password is easy to be forgotten and modified, and the certificate is inconvenient to carry and easy to lose, there are major defects and potential safety hazards in the traditional authentication method. With the increasing demand in the field of security, automatic biometric authentication and identification systems are becoming more widespread and efficient. Many banks, airports and other areas have already adopted biometric-based products. Commonly used biometric features...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00
Inventor 丁晓青方驰舒畅刘长松蒋焰王生进彭良瑞
Owner TSINGHUA UNIV
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