Identification method and device

A technology of identity recognition and identity attributes, which is applied in character and pattern recognition, instruments, biological neural network models, etc., can solve the problems of poor robustness of authentication results and the inability to ensure the acquisition of optimal features for authentication, etc., to achieve good robustness sticky effect

Active Publication Date: 2021-07-20
天津惊帆科技有限公司
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AI Technical Summary

Problems solved by technology

The biggest defect of artificially designed features is that it cannot guarantee to obtain the optimal features for authentication, resulting in poor robustness of authentication results

Method used

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  • Identification method and device
  • Identification method and device

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Embodiment Construction

[0118] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0119] figure 1 It is a flow chart of the identification method of an embodiment of the present invention; as figure 1 As shown, the identification method includes the following steps:

[0120] S110. Divide the acquired PPG signal of the current user into a plurality of cardiac cycle signals, perform feature extraction on each of the cardiac cycle signals, and obtain a first identity attribute feature corresponding to each of the cardiac cycle signals.

[01...

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Abstract

The invention discloses an identification method and device, wherein the identification method includes: dividing the obtained PPG signal of the current user into multiple cardiac cycle signals, performing feature extraction on each of the cardiac cycle signals, and obtaining each The first identity attribute characteristics corresponding to the cardiac cycle; each of the first identity attribute characteristics is compared with the second identity attribute characteristics of the standard PPG signal of at least one registered user in advance, and it is judged whether the two are from The same user; if the judgment result is from the same user, the pre-stored identity information of the corresponding user is used as the identity information of the current user.

Description

technical field [0001] The present invention relates to the field of biometric identification, intelligent medical care and intelligent wearable equipment, and in particular, relates to an identification method and device. Background technique [0002] With the development of artificial intelligence and deep learning, biometric recognition has more and more application requirements, and it is becoming more and more extensive. The currently well-known biometrics include fingerprints, irises, finger veins, voiceprints, faces, handwriting, gait, auricles, etc., which are applied to different occasions. [0003] The detection of PPG signals and the research and development of related technologies have brought a lot of convenience to human health monitoring. The detection of physiological signals such as oximeters, heart rate, and blood pressure based on PPG signals has also been widely used in ordinary families. Authentication and identification of users under the conditions of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00G06N3/04
Inventor 张进东丁立明崔久莉
Owner 天津惊帆科技有限公司
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