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A biometric identification method and related device based on pulse wave

A technology of biometric identification and pulse wave, applied in the field of biometric identification, can solve problems such as complex data processing process, information security impact, and poor practicability, and achieve the effect of simple identification method, high security, and strong practicability

Active Publication Date: 2022-01-07
SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] At present, prior to the application research of identification methods based on biometric identification technology, external features such as fingerprints and faces are mainly used. However, technologies such as counterfeit fingerprints that have emerged in recent years have greatly affected people's information security.
The pulse wave has the characteristics that vary from person to person, and can reflect the health conditions such as blood vessel elasticity and heart function. Therefore, people began to use the pulse wave as a physiological signal for biometric identification. However, the current biometric identification method based on the pulse wave The data processing process is complex and time-consuming, resulting in poor practicability

Method used

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  • A biometric identification method and related device based on pulse wave
  • A biometric identification method and related device based on pulse wave
  • A biometric identification method and related device based on pulse wave

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Embodiment 1

[0045] A kind of biological identification method based on pulse wave, reference figure 1 , figure 1 It is a schematic flow chart of a specific embodiment of a pulse wave-based biometric identification method in the present invention; including:

[0046] S1. Steps for establishing a standard pulse waveform library: use the pulse wave sensor to obtain pulse wave signals of multiple objects, and establish a standard pulse waveform library according to the identity information of the objects and the corresponding pulse wave signals;

[0047] S2. Obtaining the pulse wave signal to be identified: acquiring the pulse wave signal of the object to be identified as the pulse wave signal to be identified;

[0048] S3. Identification step: calculating the waveform similarity according to the pulse wave signal to be identified and the standard pulse waveform library, and obtaining the identity information of the object to be identified according to the waveform similarity, so as to reali...

Embodiment 2

[0068] A biometric identification system based on pulse waves, comprising:

[0069] The pulse wave signal acquisition module to be identified is used to acquire the pulse wave signal of the object to be identified as the pulse wave signal to be identified; wherein, the pulse wave signal acquisition module to be identified is implemented by a pulse sensor, and the pulse sensor can be based on piezoelectric or triboelectric The principle can also be piezoresistive, capacitive, photoelectric and other sensors;

[0070] The identification module is used to calculate the waveform similarity according to the pulse wave signal to be identified and the standard pulse waveform library. The standard pulse waveform library stores the identity information of multiple objects and the corresponding pulse wave signals, and obtains the identity information of the object to be identified according to the waveform similarity. Identity information for biometric identification.

[0071] For the ...

Embodiment 3

[0074] A pulse wave-based biometric device comprising:

[0075] at least one processor; and a memory communicatively coupled to the at least one processor; wherein,

[0076] The memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor, so that the at least one processor can execute the pulse wave-based Biometric methods. For the pulse wave-based biometric identification method, please refer to the description of Embodiment 1, and details will not be repeated here.

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Abstract

The invention discloses a pulse wave-based biometric identification method and a related device. The invention calculates the waveform similarity according to the pulse wave signal of the object to be identified and the standard pulse waveform library. The standard pulse waveform library stores the identities of multiple objects. information and the corresponding pulse wave signal, and finally obtain the identity information of the object to be identified according to the waveform similarity to realize biometric identification; overcome the technical problem of poor practicability caused by the complicated processing process of the biometric identification method based on the pulse wave in the prior art, because the pulse wave The signal is unique to each person and is difficult to be copied and imitated. Therefore, the identification method of the present invention has higher security than the traditional method. In addition, the identification method of the present invention is simple, requires short processing time, and has strong practicability.

Description

technical field [0001] The invention relates to the field of biological identification, in particular to a pulse wave-based biological identification method and related devices. Background technique [0002] With the development of science and technology, people have higher and higher requirements for various information security, which stimulates the continuous development and progress of modern biometric identification. [0003] At present, before the application research of identification methods based on biometric identification technology, it mainly focuses on external features such as fingerprints and faces. However, technologies such as counterfeit fingerprints that have emerged in recent years have greatly affected people's information security. The pulse wave has the characteristics that vary from person to person, and can reflect the health conditions such as blood vessel elasticity and heart function. Therefore, people began to use the pulse wave as a physiologica...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/02
CPCA61B5/02A61B5/7235
Inventor 董瑛楚尧刘慧梁韩留洋王晓浩
Owner SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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