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A terminal unlocking method based on lip language commands

A terminal and instruction technology, used in instruments, digital data authentication, computing, etc., can solve problems such as poor effect, no data adaptation, and instructions are easily exposed, so as to solve the problem of easy exposure, improve security, and reduce hardware performance requirements Effect

Active Publication Date: 2021-11-19
中科南京人工智能创新研究院 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The effect of this method is poor, and it does not adapt to the user's data. It can only adapt to fixed command actions, and the command is easy to be exposed.

Method used

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  • A terminal unlocking method based on lip language commands
  • A terminal unlocking method based on lip language commands
  • A terminal unlocking method based on lip language commands

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Embodiment Construction

[0068] In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, some technical features known in the art are not described in order to avoid confusion with the present invention.

[0069] The applicant believes that in the field of lip language unlocking, the existing technology relies heavily on deep learning, and a specific single command model needs to be trained on the PC side, and then deployed on the terminal for use. Users need to match fixed command actions. The effect of this method is poor, and it does not adapt to the user's data. It can only adapt to fixed instruction actions, and the instructions are easily exposed. Therefore, how to build a lip language model and continuously improve the active learning of the machine Sex is...

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Abstract

The invention relates to a terminal unlocking method based on lip language commands. In the acquisition process, several frames of images are taken to acquire faces, and some key feature points are extracted. In the verification process, the key feature points that need to be recognized are extracted in the same way, and the facenet network is used to calculate the Euclidean distance of the face features, and the comparison threshold is judged. Users can design their own instruction actions during collection, and just make the same action during recognition, so that the action instructions are not easy to be stolen by others, which improves the security of authentication. At the same time, the lip language command unlocking method does not require large-scale calculations on the terminal, which greatly reduces hardware performance requirements and improves recognition speed. The invention can avoid the problem of excessive gradient caused by accumulation in a certain quadrant in the space, improve the efficiency of network learning and training, achieve the effect of active learning and training models, and solve the problem of easy exposure of traditional fixed command actions.

Description

technical field [0001] The invention relates to a terminal unlocking method based on lip language instructions, and belongs to the technical field of image information processing. Background technique [0002] Currently, terminal unlocking methods mainly include: face, fingerprint, and iris. But these information are easy to be forged, and the static identification method is easy to be cracked, the security is poor, and it is easy to cause the leakage of private information. The present invention adopts the unlocking method of lip language instruction to realize dynamic unlocking, which can improve the safety of authentication. [0003] The existing lip language unlocking technology relies heavily on deep learning, and needs to train a specific single command model on the PC side, and then deploy it for use on the terminal. Users need to match fixed command actions. The effect of this method is poor, and it does not adapt to the user's data. It can only adapt to fixed comm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/32G06K9/00
CPCG06F21/32G06V40/161G06V40/171G06V40/172
Inventor 兰星胡庆浩
Owner 中科南京人工智能创新研究院
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