Smart home continuous user authentication method and system based on fine-grained finger gestures

A user authentication, smart home technology, applied in transmission systems, instruments, character and pattern recognition, etc., can solve the problems of not being able to authenticate user identity, not considering user experience, reducing user experience, etc. requirements, and the effect of improving the accuracy of authentication

Active Publication Date: 2019-03-01
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

At present, the authentication of smart home is mostly one-time, and the user's identity cannot be continuously authenticated according to the user's posture.
Some systems implement continuous

Method used

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  • Smart home continuous user authentication method and system based on fine-grained finger gestures
  • Smart home continuous user authentication method and system based on fine-grained finger gestures
  • Smart home continuous user authentication method and system based on fine-grained finger gestures

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Embodiment Construction

[0019] Such as figure 1 As shown, it is a smart home continuous user authentication system based on fine-grained finger gestures involved in this embodiment, including: a registration phase module and a service phase module, wherein: the registration phase module transmits the registered user's finger information to the service phase module .

[0020] The registration stage module includes: a deep neural network, a sample generation unit, a multi-classifier, a single classifier, a Wi-Fi signal transmitting unit and a wireless network card unit, wherein: the Wi-Fi signal transmitting unit continuously transmits Wi-Fi signals , the wireless network card unit is connected with the sample generation unit and transmits finger movement sample data information, the deep neural network is connected with the sample generation unit and transmits the extracted finger feature information, and the multi-classifier is connected with the deep neural network and provides multi-user authentica...

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Abstract

The invention discloses a smart home continuous user authentication method and system based on fine-grained finger gestures. The method comprises the following steps: extracting behavior features fromfinger gestures of different users in a login stage to perform multi-user authentication; and in an interaction stage, recognizing identities through continuous authentication by a lightweight classifier according to history finger gestures and a current gesture. According to the method, continuous user authentication is performed by sensing the peculiarity of the finger gestures of each user during operation of smart home appliances with a Wi-Fi signal, so that good user experience is achieved with relatively short response time.

Description

technical field [0001] The present invention relates to a technology in the field of wireless communication, in particular to a smart home continuous user authentication method and system for identifying fine-grained finger gestures through Wi-Fi signals, with the help of CSI (Channel State Information) data of Wi-Fi signals Perform perception, use algorithms in the field of deep learning to achieve multi-user authentication, and use lightweight single classifiers to achieve continuous authentication. Background technique [0002] At present, smart home user authentication often requires additional data collection equipment, such as cameras, fingerprint readers, and even wearable devices, etc., which results in high deployment costs and requirements, and greatly reduces its applicability. Secondly, the current increasingly high security requirements make continuous identity authentication of users more and more important. At present, the authentication of smart home is most...

Claims

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Application Information

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IPC IPC(8): H04L29/06G06K9/62G06K9/00
CPCH04L63/08H04L63/0861G06V40/28G06F18/214G06F18/241
Inventor 俞嘉地孔浩卢立
Owner SHANGHAI JIAO TONG UNIV
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