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Living body identity authentication method based on FMCW radar and face tracking recognition

An identity authentication and radar technology, applied in the field of identity recognition, can solve problems such as photo and video distinction, and achieve the effect of avoiding deception and strong ability to resist the influence of environmental factors

Pending Publication Date: 2021-02-12
HARBIN INST OF TECH
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  • Summary
  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0005] The present invention is to solve the problem that the existing face recognition technology is difficult to accurately distinguish deceptive means such as photos, videos, modeling, etc., and now provides a living identity authentication method based on FMCW radar and face tracking and recognition

Method used

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  • Living body identity authentication method based on FMCW radar and face tracking recognition
  • Living body identity authentication method based on FMCW radar and face tracking recognition
  • Living body identity authentication method based on FMCW radar and face tracking recognition

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specific Embodiment approach 1

[0069] Specific Embodiment 1: The living identity authentication method based on FMCW radar and face tracking and recognition described in this embodiment has certain differences in facial features and breathing rate strength between people, so this embodiment The function of living identity authentication in face tracking and recognition is realized by means of facial feature extraction and breathing state feature extraction based on FMCW radar.

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Abstract

The invention discloses a living body identity authentication method based on FMCW radar and face tracking recognition, and relates to the technical field of identity recognition. The invention aims to solve the problem that the existing face recognition technology is difficult to distinguish deception means such as photos, videos, modeling and the like accurately. The method comprises the steps that firstly, breathing and heartbeat signals of a measured object are detected through an FMCW radar, when the measured object has the breathing and heartbeat signals, a human face is detected, tracked and subjected to feature extraction, and breathing signal features of a current measured person are extracted through the FMCW radar; and finally, the extracted facial features and person breathingfeatures are compared with samples in a training set, it is determined that identity recognition succeeds when comparison results of the two parts are both yes, and it is determined that recognition fails if one or more of no exist.

Description

technical field [0001] The invention belongs to the technical field of identification. Background technique [0002] With the rapid development of computer network technology, identification and authentication technology has been paid more and more attention as an important means to protect people's basic rights and interests. Successful verification of personnel identity is the prerequisite for the next step. Face is a biometric feature that is completely open source, easy to collect, easy to use, high in accuracy, fast in detection speed, and high in robustness. Therefore, face recognition verification technology is one of the important components of current biometric-based identity verification technology. [0003] The existing living body identity authentication method for face tracking and recognition is through image photoplethysmography (iPPG), and the non-contact heart rate measurement is realized by recording the change, so as to achieve the purpose of living body ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/62G01S13/88
CPCG01S13/88G06V40/161G06V40/172G06F18/214
Inventor 王启松刘丹董哲宁唐嘉泽钟小聪张美妍曹天傲孙金玮
Owner HARBIN INST OF TECH
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