Multimode biological feature fusion method and system

A biometric, fusion method technology, applied in biometric identification, the use of multiple biometrics, character and pattern recognition, etc., can solve the problem that fingerprint or facial recognition cannot accurately identify identities, and achieve the effect of ensuring accuracy.

Pending Publication Date: 2020-07-28
杭州芯影科技有限公司
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Problems solved by technology

However, when there are special circumstances (for example, a finger is injured, wearing a mask, etc.), the corresponding fingerprint or facial recognition cannot accurately identify the corresponding identity

Method used

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  • Multimode biological feature fusion method and system
  • Multimode biological feature fusion method and system
  • Multimode biological feature fusion method and system

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Embodiment Construction

[0035] 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.

[0036] In the embodiment of the present invention, the multimodal biological feature fusion system may be referred to as a fusion system for short below.

[0037] The following will be combined with figure 1 , the multimodal biological feature fusion method provided by the embodiment of the present invention is introduced in detail.

[0038] See figure 1 , which provides a schematic flow chart of a multimodal biological feature fusion method for an embodimen...

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Abstract

The embodiment of the invention discloses a multimode biological feature fusion method and system. The method comprises the following steps: performing feature comparison on the feature data corresponding to each piece of biological data in the multi-modal biological data to generate a fractional vector of the multi-modal biological data, performing piecewise linear classification processing on the fractional vector to generate a decision value corresponding to the fractional vector, and identifying identity information corresponding to the multi-modal biological data according to the decisionvalue. By adopting the method and the system, various biological characteristics are fused through the linear classifier, useful information of each biological characteristic can be reserved, identity information is extracted from a high-dimensional characteristic space, and the accuracy of identity recognition can be ensured.

Description

technical field [0001] The invention relates to the technical field of millimeter wave security inspection imaging identification technology, in particular to a multi-mode biological feature fusion method and system. Background technique [0002] Everyone has inherent biological characteristics, such as fingerprints, face, ear outline, body skeleton, iris, and gait, etc., and each biological characteristic can be used as an identity to identify a person. However, when there are special circumstances (for example, a finger is injured, wearing a mask, etc.), the corresponding fingerprint or facial recognition cannot accurately identify the corresponding identity. Contents of the invention [0003] Embodiments of the present invention provide a multi-mode biometric feature fusion method and system, which can preserve useful information of each biometric feature by fusing multiple biometric features through a linear classifier, and extract identity information in a high-dimens...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/62
CPCG06V40/70G06F18/251G06F18/253
Inventor 杨明辉吴亮
Owner 杭州芯影科技有限公司
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