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Brain wave and eye tracking based headset equipment control system and method, and medium

A technology of eye tracking and head-mounted equipment, which is applied in the fields of eye testing equipment, medical science, digital data authentication, etc., and can solve the problem of not being able to predict the expected operation of the user's gaze point

Pending Publication Date: 2021-07-06
上海趣立信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it cannot predict the user's gaze point and perform the next expected operation

Method used

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  • Brain wave and eye tracking based headset equipment control system and method, and medium
  • Brain wave and eye tracking based headset equipment control system and method, and medium
  • Brain wave and eye tracking based headset equipment control system and method, and medium

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Experimental program
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Effect test

Embodiment 1

[0037] According to the head-mounted device control system based on brainwave and eye tracking provided by the present invention, it includes a controller CPU, a brainwave detection module, an eyetracking module, and an identification module; the brainwave detection module includes electrodes connected in series, Preamplifier circuit, band-pass filter, notch filter, main amplifier circuit, A / D conversion circuit and controller CPU, obtain user information through detected changes in brain waves; the eye tracking module includes controller CPU , an IR circuit and an eye-tracking CAM; the controller CPU acquires user information according to the change of the user's fixation point obtained through the cooperation of the IR circuit and the eye-tracking CAM, so as to perform control operations within a preset range. The identity recognition module recognizes the identity of the user, and the identity recognition methods include: iris recognition, retina recognition, fingerprint rec...

Embodiment 2

[0044] According to the present invention, a head-mounted device control scheme based on brain waves and eye tracking includes:

[0045] The structure of the circuit:

[0046] figure 1 It is a brain wave eye tracking control solution, mainly composed of three parts: controller CPU, brain wave detection and eye tracking;

[0047] figure 2 It is a schematic block diagram of EEG signal acquisition, mainly composed of electrodes, preamplifier circuit, 0.05-100HZ bandpass filter, 50HZ power frequency notch filter, main amplifier circuit, A / D conversion circuit and main controller CPU and other parts ;

[0048] image 3 It is a block diagram of the original circuit of eye tracking, mainly composed of main controller CPU, IR circuit, eye tracking CAM and other parts.

[0049] How the circuit works:

[0050] Such as figure 1 , the brain wave detection circuit can detect the change of the user's brain wave when using the device, extract and process it and transmit it to the CPU...

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Abstract

The invention provides a brain wave and eye tracking based headset equipment control system and method, and a medium. The control system includes a controller CPU, a brain wave detection module and an eye tracking module; the brain wave detection module includes an electrode, a preamplifier circuit, a band pass filter, a notch filter, a main amplifying circuit, an A / D converting circuit and the controller CPU which are successively connected in series, and obtains user information through detected brain wave change; the eye tracking module includes the controller CPU, an IR circuit and an eye tracking CAM; and the controller CPU obtains the user information according to the user fixation point change obtained through the cooperation use of the IR circuit and the eye tracking CAM, so as to perform control operation within a preset range. Through a technology of combining brain wave detection and eye tracking, a problem that all operation of an existing MR need to user both hands can be solved.

Description

technical field [0001] The present invention relates to the technical field of brain wave and eye movement tracking, and in particular, to a control system, method and medium for a head-mounted device based on brain wave and eye movement tracking. Background technique [0002] The current AR and VR control is still based on gestures or handle operations. On the one hand, the operation is cumbersome, and the hands are fixed and cannot be freed to do more things; on the other hand, the efficiency is relatively low. [0003] Patent document CN211094132U (application number: CN201921925023.8) discloses a multi-modal immersive synchronous acquisition system based on eye movement tracking-brain function activities, including a VR display device, which has a built-in display module and an eye movement acquisition module , cerebral blood oxygen collection module and communication module, the eye movement collection module is used to collect the eye image of the subject, the cerebral...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/369A61B3/113G06F21/32
CPCA61B3/113G06F21/32
Inventor 黄正江张弘
Owner 上海趣立信息科技有限公司
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