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Template synthesis for ECG/PPG based biometrics

A technology of biometric data and physical characteristics, applied in the field of checking individual identity, can solve problems such as inconvenience

Inactive Publication Date: 2009-09-02
KONINKLIJKE PHILIPS ELECTRONICS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this is inconvenient and practically not feasible to build such an exhaustive feature set during registration

Method used

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  • Template synthesis for ECG/PPG based biometrics
  • Template synthesis for ECG/PPG based biometrics
  • Template synthesis for ECG/PPG based biometrics

Examples

Experimental program
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Embodiment Construction

[0029] figure 1 A recorded ECG diagram is shown in which the so-called PQRST cycle has been shown. As discussed previously, the characteristics of the PQRST cycle can be used to extract a feature set for an individual, or a biometric template. Instead of determining the location of the peak of the PQRST cycle, the shape of the R-R segment was used for biometric identification.

[0030] figure 2 A system for verifying the identity of an individual according to one embodiment of the invention is shown. In this system, the segmentation module 101 segments the digitized ECG signal. The actual length ρ of the segment is obtained from the R-R segment. The normalization module 102 performs length normalization on the R-R segment S so that it contains L samples. Therefore, L is called the normalization parameter. in the attached figure 2 In , the normalization module 102 outputs the length-normalized R-R segment and denote the segment as S. Further, the length normalization ...

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PUM

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Abstract

The present invention relates to a method and a device for verifying identity of an individual by employing biometric data derived from a physical feature of the individual. A basic idea of the invention is that, rather than determining peak locations in cyclic signals such as ECG or PPG signals when using these signals as a representation of biometric data for verifying identity of an individual, shape or morphology of the signals is considered.

Description

technical field [0001] The present invention relates to a method and apparatus for verifying the identity of an individual by using biometric data derived from the individual's physical characteristics. Background technique [0002] Authentication of physical objects can be used in many applications, such as conditional access to secure buildings, or conditional access to digital data (such as stored in computers or removable storage media), or for identification purposes (such as identification of specific activities identified individuals to be billed). [0003] The use of biometrics for identification and / or authentication is increasing and is considered a better alternative to traditional identification methods such as passwords and pin codes. The number of systems requiring identification in the form of passwords / PIN codes has steadily increased, and thus, the number of passwords / PIN codes that system users must remember has steadily increased. In biometric identifica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
CPCG06K2009/00939G06K9/0055G06K9/6255G06V40/15G06F2218/16G06F18/28
Inventor G·N·加西亚莫利纳A·A·M·L·布鲁克斯C·普雷素拉M·C·达姆斯特拉
Owner KONINKLIJKE PHILIPS ELECTRONICS NV
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