Visual stimulation system, visual stimulation production method and a BCI (brain-computer interface) system

A technology of visual stimuli and generation methods, applied in the field of human-computer interaction, can solve the problems of few types of visual stimuli and wrong instructions, and achieve the effect of expanding diversity

Active Publication Date: 2017-10-24
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the EEG signals used for BCI are inseparable from visual stimuli. Most of the current visual stimuli are provided

Method used

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  • Visual stimulation system, visual stimulation production method and a BCI (brain-computer interface) system
  • Visual stimulation system, visual stimulation production method and a BCI (brain-computer interface) system
  • Visual stimulation system, visual stimulation production method and a BCI (brain-computer interface) system

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Embodiment Construction

[0045] In the following description, numerous details are provided in order to provide a thorough understanding of the invention. It will be appreciated, however, to those skilled in the art that the following description is merely illustrative of preferred embodiments of the invention, and that the invention may be practiced without one or more of these details. In addition, in order to avoid confusion with the present invention, some technical features known in the art are not described in detail.

[0046] According to one aspect of the present invention, a visual stimulation system is provided. figure 1 Various components or parts comprised in the visual stimulation system are shown. In order to understand the positions and functions of these components or parts in the visual stimulation system, the visual stimulation system is firstly described as a whole, so as to thoroughly understand the present invention.

[0047] The visual stimulation system of the present inventio...

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PUM

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Abstract

The invention discloses a visual stimulation system, a visual stimulation production method and a BCI (brain-computer interface) system. The visual stimulation system comprises a first display screen system and a second display screen system. The first display screen system comprises a first display screen and a first control host connected with the same; the first display screen is an LCD-based transparent display. The second display screen system comprises a second display screen and a second control host connected with the same. The second display screen is arranged at the right back of the first display screen and is spaced from the first display screen; the orthogonal projection of the second display screen on the first display screen completely locates on the first display screen; the angle of polarization of light emitted from the second display screen is consistent with that of light emitted from the side, opposite to the second display screen, of the first display screen. By the perspective transparent display, the front visual stimulation and the back visual stimulation are superposed to stimulate the people under test, diversity of the visual stimulation is expanded while new type of stimulation can be produced by combination of different visual stimulation.

Description

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Claims

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Application Information

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Owner TSINGHUA UNIV
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