CN113568503B - Communication system based on steady-state visual evoked potential - Google Patents
Communication system based on steady-state visual evoked potential Download PDFInfo
- Publication number
- CN113568503B CN113568503B CN202110825498.5A CN202110825498A CN113568503B CN 113568503 B CN113568503 B CN 113568503B CN 202110825498 A CN202110825498 A CN 202110825498A CN 113568503 B CN113568503 B CN 113568503B
- Authority
- CN
- China
- Prior art keywords
- light source
- box
- source sub
- evoked potential
- steady
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004891 communication Methods 0.000 title claims abstract description 86
- 230000000007 visual effect Effects 0.000 title claims abstract description 72
- 230000000763 evoking effect Effects 0.000 title claims abstract description 54
- 210000004556 brain Anatomy 0.000 claims abstract description 35
- 230000003993 interaction Effects 0.000 claims abstract description 26
- 230000000638 stimulation Effects 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 10
- 210000003128 head Anatomy 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 210000001652 frontal lobe Anatomy 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 210000000869 occipital lobe Anatomy 0.000 claims description 3
- 206010033799 Paralysis Diseases 0.000 description 22
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000004936 stimulating effect Effects 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/015—Input arrangements based on nervous system activity detection, e.g. brain waves [EEG] detection, electromyograms [EMG] detection, electrodermal response detection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/01—Indexing scheme relating to G06F3/01
- G06F2203/011—Emotion or mood input determined on the basis of sensed human body parameters such as pulse, heart rate or beat, temperature of skin, facial expressions, iris, voice pitch, brain activity patterns
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Neurosurgery (AREA)
- General Health & Medical Sciences (AREA)
- Neurology (AREA)
- Health & Medical Sciences (AREA)
- Dermatology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The invention provides a communication system based on steady-state visual evoked potential, which is characterized in that a light source box is used for generating visual stimulus to a user, an electroencephalogram acquisition module is used for acquiring visual evoked potential signals generated after human brain is subjected to visual stimulus and processing the visual evoked potential signals to obtain corresponding electroencephalogram frequency components, an information interaction module is used for finding a light source sub-box watched by the user based on the electroencephalogram frequency components to obtain corresponding communication information, and the communication information is displayed to accompanying personnel through the light source box. The communication system provides a plurality of customizable light source sub-boxes, and a user can customize the light source sub-boxes into a plurality of common life intentions according to own requirements, so that the user can express the common life intentions to accompanying personnel rapidly, efficiently and accurately by using only the electroencephalogram signals through the communication system, corresponding help can be achieved more rapidly, and the life quality of the user is improved.
Description
Technical Field
The invention belongs to the field of computers and life science, and particularly relates to a communication system based on steady-state visual evoked potentials.
Background
For the paralyzed people who cannot sound due to accidental injury or diseases, the intention of the accompanying people cannot be indicated to the accompanying people in daily life, so that the life quality of the accompanying people is greatly reduced, and serious burden is brought to society and families.
The brain-computer interface technology can decode the current brain state by analyzing the brain electrical activity signals, so as to control external equipment, and the method can provide a communication mode with the outside for people with physical paralysis and incapacity of speaking, but healthy brain.
At present, various inventions based on brain-computer interfaces are used for improving the life quality of the people, such as an intelligent wheelchair system based on SSVEP steady-state visual evoked potential (patent number CN 201310163499.3) which uses brain-computer interface technology to help paralyzed people to control wheelchairs; the patent 'a double-spelling Chinese input system based on steady-state visual evoked potential' (patent number CN 201710033253.2) applies brain-computer interface technology to input characters. Aiming at the communication between paralyzed people and accompanying people, the current method has the defects. It is important that paralyzed people need to express their usual life intention quickly and efficiently under specific conditions, such as specific needs of "drinking water", uncomfortable physical state, expression of emotion "happy", even expression of "do not disturb" when they need a private space, etc., and these intentions are inefficient by typing, etc.
Disclosure of Invention
In order to solve the problems, the invention provides a communication system based on steady-state visual evoked potential, which adopts the following technical scheme:
the invention provides a communication system based on steady-state visual evoked potential, which can realize the rapid communication between a user and a attendant based on an electroencephalogram signal, and is characterized by comprising the following components: the brain electricity acquisition module is used for acquiring and processing steady-state visual evoked potential signals generated after the human brain receives visual stimulus; the information interaction module is used for generating visual stimulus, displaying communication information and carrying out face recognition and is in communication connection with the electroencephalogram acquisition module, wherein the electroencephalogram acquisition module comprises an electrode head and a signal processing circuit, the information interaction module comprises a light source box, a camera and a control circuit, the control circuit controls the light source box to generate visual stimulus to a user, and the electrode head acquires steady-state visual evoked potential signals of the user; the signal processing circuit processes the steady-state visual evoked potential signal to obtain a corresponding electroencephalogram signal frequency component, and the control circuit controls the light source box to display communication information based on the electroencephalogram signal frequency component so as to enable a attendant to confirm.
The communication system based on steady-state visual evoked potential provided by the invention can also have the technical characteristics that the electrode head comprises: two frontal She Dianji positioned in front for collecting frontal lobe brain electrical signals; two pillows She Dianji positioned at the rear for collecting pillow leaf brain signals; and a reference electrode, the steady-state visual evoked potential signals including frontal lobe brain electrical signals and occipital lobe brain electrical signals.
The communication system based on steady-state visual evoked potential can also have the technical characteristics that the light source box comprises a plurality of light source sub-boxes, wherein the light source sub-boxes comprise a start light source sub-box, a stop light source sub-box and at least one self-defined light source sub-box, the light source sub-box is provided with an LED lamp and a cover plate, and when the light source sub-box is in a stimulation working mode, the LED lamp flashes and is used for generating visual stimulation; when the light source sub-box is in the communication working mode, the LED lamp is always on and is used for indicating communication information; when the light source sub-box is in a stop working mode, the LED lamp is turned off, and the cover plate is used for defining communication information.
The communication system based on the steady-state visual evoked potential can also have the technical characteristics that when the plurality of self-defined light source sub-boxes enter a stimulation working mode, the LED lamps of the plurality of self-defined light source sub-boxes flash at different frequencies.
The communication system based on the steady-state visual evoked potential can also have the technical characteristics that the information interaction module carries out face recognition through the camera, and when the information interaction module recognizes the face and eyes of a user are right opposite to the camera, the information interaction module sets the starting light source sub-box into a stimulation working mode through the control circuit.
The communication system based on steady-state visual evoked potential provided by the invention can also have the technical characteristics that: the starting button is used for setting all the self-defined light source sub-boxes and the termination light source sub-boxes into a stimulation working mode; and the accompanying terminal is held by the accompanying person and is used for receiving communication information, the accompanying terminal is in communication connection with the signal interaction module, the communication information at least comprises starting information, and when the accompanying person receives the starting information, the accompanying person presses the starting button.
The communication system based on the steady-state visual evoked potential can also have the technical characteristics that when the light source sub-box enters the stimulation working mode for 2 seconds, the electroencephalogram acquisition module acquires steady-state visual evoked potential signals and obtains corresponding electroencephalogram signal frequency components, the information interaction module carries out corresponding operation based on the electroencephalogram signal frequency components, and when the electroencephalogram signal frequency components correspond to the starting light source sub-box, the information interaction module sends starting information to the accompanying terminal; when the brain electrical signal frequency components correspondingly terminate the light source sub-boxes, the control circuit sets all the self-defined light source sub-boxes to a stop working mode; when the brain electrical signal frequency component corresponds to one self-defined light source sub-box, the control circuit sets the self-defined light source sub-box into a communication working mode, sets other light source sub-boxes into a stop working mode, and sets all the self-defined light source sub-boxes into a stimulation working mode after 5 seconds.
The communication system based on the steady-state visual evoked potential can also have the technical characteristics that the electroencephalogram acquisition module is connected with the information interaction module through Bluetooth communication.
The actions and effects of the invention
According to the communication system based on steady-state visual evoked potential, visual stimulus is generated to a user through the light source box, visual evoked potential signals generated after human brain is subjected to the visual stimulus are collected through the brain electricity collection module and are processed to obtain corresponding brain electrical signal frequency components, based on the brain electrical signal frequency components, the information interaction module finds out the light source sub-box watched by the user to obtain corresponding communication information, and the communication information is displayed to accompanying personnel through the light source box. The user only needs to watch a certain light source sub-box for 2 seconds, and the corresponding communication information can be transmitted to the accompanying personnel. The communication system provides a plurality of customizable light source sub-boxes, and a user can customize the light source sub-boxes into a plurality of common life intentions according to own requirements, so that the user can express the common life intentions to accompanying personnel rapidly, efficiently and accurately by using only brain electrical signals through the communication system, corresponding help can be achieved more rapidly, and life quality of the user is improved.
Drawings
FIG. 1 is a schematic diagram of a communication system based on steady-state visual evoked potentials according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an electroencephalogram acquisition module according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an information interaction module according to an embodiment of the present invention;
fig. 4 is a schematic flow chart of a communication system based on steady-state visual evoked potential according to an embodiment of the present invention.
Detailed Description
In order to make the technical means, creation characteristics, achievement of the purposes and effects of the present invention easy to understand, the steady-state visual evoked potential based communication system of the present invention is specifically described below with reference to the embodiments and the accompanying drawings.
< example >
In this embodiment, the user of the communication system based on steady-state visual evoked potential is a paralyzed patient, the accompanying terminal is a mobile phone of an accompanying person, and the paralyzed patient is quickly communicated with the accompanying person through the communication system, which is described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a communication system based on steady-state visual evoked potentials according to an embodiment of the present invention.
As shown in fig. 1, a communication system 100 based on steady-state visual evoked potential (hereinafter referred to as a communication system) according to an embodiment of the present invention includes an electroencephalogram acquisition module 12 and an information interaction module 13, which are wirelessly connected by bluetooth.
FIG. 2 is a schematic diagram of an electroencephalogram acquisition module according to an embodiment of the present invention;
as shown in fig. 1 and 2, the electroencephalogram acquisition module 12 includes an electrode head 21 and a signal processing circuit 22.
The electrode headset 21 is in a circular ring shape made of elastic material, and is provided with two sections of elastic cloth belts which are magic tapes, in the embodiment, only pillow leaf signals are collected, two pillows She Dianji a and 201b are sewn on the inner side of the rear of the headset, the distance between the two pillows and the magic tapes is 1 cm, and the reference electrode 202 is connected to the middle of the right side of the electrode headset 21. After the paralyzed patient wears the electrode head 21, the pillows She Dianji a, 201b are attached to the positions of the back occipital lobe of the patient, and the reference electrode 202 is connected to the right ear.
The electrode head 21 is used for collecting steady-state visual evoked potential signals generated by the brain of a paralyzed patient after receiving visual stimulus.
The signal processing circuit 22 is adhered to the left middle part of the electrode head 21 through a magic tape. The signal processing circuit 22 is configured to process the acquired steady-state visual evoked potential signals, and obtain brain electrical signal frequency components corresponding to the stimulation frequency after signal processing.
Fig. 3 is a schematic diagram of an information interaction module according to an embodiment of the present invention.
As shown in fig. 3, the information interaction module 13 includes a light source box 31, a camera 32, and a control circuit 33.
The light source box 31 comprises a box body 301, a cover plate 302 and a start button 303, wherein the box body comprises 18 light source sub-boxes, 16 light source sub-boxes 311 are custom light source sub-boxes, the sizes of the light source sub-boxes are consistent, two light source sub-boxes positioned in the middle are a start light source sub-box 312 and a stop light source sub-box 313, and the sizes of the two light source sub-boxes are 2 times that of the custom light source sub-boxes 311. Each light source sub-box contains an LED lamp, which is controlled by a control circuit 33. The cover plate 302 is made of transparent acrylic material, the specific functions of the cover plate parts corresponding to the start light source sub-box 312 and the stop light source sub-box 313 are defined, and besides, the cover plate parts 321 corresponding to the other self-defined light source sub-boxes 311 can be used for writing and erasing self-defined information by a mark pen for defining information possibly used by paralyzed patients under different conditions. In this embodiment, the customized light source sub-box 311a is defined as "drinking water required" and the corresponding text is written on the corresponding cover plate portion 321a of the customized light source sub-box 311a with a mark pen.
The light source box 31 includes three modes of operation, standby mode, stimulus mode and communication mode.
When the standby mode is entered, the LED lamps of the light source sub-box 312 are activated to flash for generating visual stimulus, inducing brain electricity, and the LED lamps of the other light source sub-boxes are turned off.
When the stimulation mode is entered, the LED lamps of all the light source sub-boxes flash at different frequencies for generating visual stimulation and inducing brain electricity.
When entering the communication mode, only the LED lamp of one light source sub-box is always on, and is used for indicating information selected by paralyzed patients, and the LED lamps of other light source sub-boxes are off.
The start button 303 is positioned on the right side of the light source box 31, and the caregiver presses the start button 303 to place the light source box 31 into a stimulation mode.
The camera 32 is located directly over the box body of the light source box 31 and is used for face recognition detection.
The control circuit 33 is used for controlling the light source box 31 to generate visual stimulus to paralyzed patients and induce brain electricity, or to display communication information to accompanying personnel.
Fig. 4 is a schematic flow chart of a communication system based on steady-state visual evoked potential according to an embodiment of the present invention.
As shown in fig. 1 and 4, the communication system based on steady-state visual evoked potential of the present embodiment operates as follows:
in step S1, after the communication system 100 starts to operate, the camera 32 performs face recognition detection once every 5 seconds, determines whether the recognition detection is successful, recognizes a specified paralyzed patient, and detects that the eyes of the paralyzed patient are right facing the camera 32 as successful. When the judgment is no, namely the recognition detection fails, the step 1 is repeated;
step S2, when the identification detection is successful, the control circuit 33 in the information interaction module 13 sets the light source box 31 to a standby mode, at this time, the LED lamp of the light source sub-box 312 is started to flash at a specific frequency;
step S3, after the light source box 31 enters the standby mode for 2 seconds, namely, after the LED lamp of the light source sub-box 312 is started to flash for 2 seconds, the brain electricity acquisition module 12 acquires steady-state visual evoked potential signals of paralyzed patients, the steady-state visual evoked potential signals are processed by the signal processing circuit 22 to obtain corresponding brain electricity signal frequency components, the signal processing circuit 22 further identifies the brain electricity signal frequency components, judges whether the brain electricity signal frequency components are frequencies corresponding to the light source sub-box 312 or not, and returns to step 1 when the judgment is negative;
step S4, when the frequency corresponding to the start light source sub-box 312 is identified, the signal processing circuit 22 sends an instruction to the control circuit 33 through Bluetooth, and sends start information to the mobile phone of the attendant, and after the attendant receives the start information, the start button 303 is manually pressed down;
step S5, the control circuit 33 sets the light source box 31 to a stimulating mode, i.e. the LED lamps of all the light source sub-boxes flash at different frequencies;
in step S6, after the light source box 31 enters the stimulation mode for 2 seconds, the electroencephalogram acquisition module 12 acquires the steady-state visual evoked potential signal of the paralyzed patient, the signal processing circuit 22 processes the steady-state visual evoked potential signal to obtain a corresponding electroencephalogram signal frequency component, the signal processing circuit 22 further identifies the electroencephalogram signal frequency component, the light source sub-box designated by the paralyzed patient is found, the control circuit 33 sets the light source box 31 to the communication mode, that is, the LED lamp of the light source sub-box designated by the paralyzed patient is always on for 5 seconds, the LED lamps of other light source sub-boxes are turned off, and the attendant obtains the communication information through observing the light source box.
For example, in the present embodiment, in the stimulating mode, after the paralyzed patient looks at the custom light source sub-box 311a for 2 seconds, the light source box 31 enters the communication mode, the LED lamp of the custom light source sub-box 311a is always on for 5 seconds, and the accompanying person observes the on-lamp condition, and combines the text information on the corresponding cover plate portion 321a to obtain the communication information "drinking water is needed".
Step S7, judging whether the light source sub-box designated by the paralyzed patient is a termination light source sub-box, returning to step 6 to start a new round of communication when the light source sub-box designated by the paralyzed patient is judged to be no, and stopping the operation of the communication system 100 when the light source sub-box designated by the paralyzed patient is judged to be no.
Example operation and Effect
According to the communication system based on steady-state visual evoked potential, provided by the embodiment, visual stimulus is generated to a user through the light source box, visual evoked potential signals generated after human brain is subjected to the visual stimulus are collected through the electroencephalogram collection module and are processed to obtain corresponding electroencephalogram signal frequency components, based on the electroencephalogram signal frequency components, the information interaction module finds out the light source sub-box watched by the user to obtain corresponding communication information, and the communication information is displayed to accompanying personnel through the light source box. The user only needs to watch a certain light source sub-box for 2 seconds, and the corresponding communication information can be transmitted to the accompanying personnel. The communication system provides a plurality of customizable light source sub-boxes, and a user can customize the light source sub-boxes into a plurality of common life intentions according to own requirements, so that the user can express the common life intentions to accompanying personnel rapidly, efficiently and accurately by using only brain electrical signals through the communication system, corresponding help can be achieved more rapidly, and life quality of the user is improved.
The above examples are only for illustrating the specific embodiments of the present invention, and the present invention is not limited to the description scope of the above examples.
For example, in the above embodiment, the cover plate is made of transparent acrylic material, and the mark pen is used to write and erase the information, and in other embodiments of the present invention, other materials and other marking modes, such as a glass cover plate, are used to apply notes thereon to perform information customization, so that the technical effects of the present invention can be also achieved.
In the above embodiment, the number of the custom light source sub-boxes is 16, and in other schemes of the present invention, fewer or more custom light source sub-boxes may be used, so that the technical effects of the present invention can be achieved.
In the above embodiment, the accompanying terminal is a mobile phone of an accompanying person, and in other schemes of the present invention, other terminal devices, such as a pager, may also be used, so as to achieve the technical effects of the present invention.
In the above embodiment, the electroencephalogram acquisition module and the information interaction module are connected through bluetooth communication, and in other schemes of the present invention, other communication connection modes may also be used, and the technical effects of the present invention may also be achieved.
Claims (6)
1. A communication system based on steady-state visual evoked potential can realize rapid communication between a user and a accompanying person based on an electroencephalogram signal, and is characterized by comprising:
the brain electricity acquisition module is used for acquiring and processing steady-state visual evoked potential signals generated after the human brain receives visual stimulus; and
the information interaction module is used for generating the visual stimulus, displaying communication information and carrying out face recognition and is in communication connection with the electroencephalogram acquisition module,
wherein the electroencephalogram acquisition module comprises an electrode head and a signal processing circuit,
the information interaction module comprises a light source box, a camera and a control circuit,
the control circuit controls the light source box to generate the visual stimulus to the user,
the electrode head is worn to collect steady-state visual evoked potential signals of the user;
the signal processing circuit processes the steady-state visual evoked potential signal to obtain a corresponding electroencephalogram signal frequency component,
the control circuit controls the light source box to display the communication information based on the brain electrical signal frequency component to enable the accompanying person to confirm,
the light source box comprises a plurality of light source sub boxes, a cover plate and a starting button,
the plurality of light source sub-boxes comprise a start light source sub-box, a stop light source sub-box and at least one self-defined light source sub-box,
the light source sub-box is provided with an LED lamp, the visual stimulus is generated by flashing the LED lamp,
when the light source box is in a standby mode, the LED lamps of the starting light source sub-boxes flash, and the LED lamps of the other light source sub-boxes are extinguished;
when the light source box is in a stimulation mode, all the LED lamps of the light source sub-boxes flash;
when the light source box is in the communication mode, the LED lamps of the light source sub-boxes designated by the user are always on for indicating the communication information, the LED lamps of other light source sub-boxes are off,
the cover plate is used for defining the communication information, the cover plate parts corresponding to the starting light source sub-box and the ending light source sub-box are defined with specific functions, the cover plate parts corresponding to the self-defined light source sub-box are used for writing and erasing self-defined information,
the start button is used for starting the light source box to enable the light source box to enter the stimulation mode,
when the light source box is in a stimulation mode, the LED lamps of the light source sub-boxes flash at different frequencies,
after the light source box enters a stimulation mode for 2 seconds, the electroencephalogram acquisition module acquires steady-state visual evoked potential signals of the user, the steady-state visual evoked potential signals are processed by the signal processing circuit to obtain corresponding electroencephalogram signal frequency components, the signal processing circuit identifies the electroencephalogram signal frequency components in one step, the light source sub-box appointed by the user is found, the control circuit sets the light source box to be in a communication mode, namely the LED lamps of the light source sub-box appointed by the user are always on for 5 seconds, the LED lamps of other light source sub-boxes are extinguished, and the accompanying personnel obtain the communication information by observing the on-lamp condition of the light source box and combining with corresponding text information on the cover plate part.
2. The steady state visual evoked potential communication system of claim 1, wherein:
wherein, the electrode head includes:
two frontal She Dianji positioned in front for collecting frontal lobe brain electrical signals;
two pillows She Dianji positioned at the rear for collecting pillow leaf brain signals; and
the reference electrode is provided with a plurality of electrodes,
the steady-state visual evoked potential signals include the frontal lobe brain electrical signals and the occipital lobe brain electrical signals.
3. The steady state visual evoked potential communication system of claim 1, wherein:
wherein the information interaction module performs the face recognition through the camera,
when the information interaction module recognizes a human face and eyes of the user face the camera, the control circuit sets the light source box to the standby mode.
4. The steady state visual evoked potential communication system of claim 3, further comprising:
a accompany terminal held by the accompany person and used for receiving the communication information, the accompany terminal is in communication connection with the information interaction module,
the communication information at least includes start-up information,
and when the accompanying person receives the starting information, the accompanying person presses the starting button.
5. The steady state visual evoked potential communication system of claim 4, wherein:
wherein, when the light source box enters the stimulation mode for 2 seconds, the electroencephalogram acquisition module acquires the steady-state visual evoked potential signals and obtains the corresponding electroencephalogram signal frequency components, the information interaction module carries out corresponding operation based on the electroencephalogram signal frequency components,
when the electroencephalogram signal frequency components correspond to the starting light source sub-box, the information interaction module sends starting information to the accompanying terminal;
when the electroencephalogram signal frequency component corresponds to the termination light source sub-box, the communication system based on the steady-state visual evoked potential terminates operation;
when the electroencephalogram signal frequency component corresponds to one of the self-defined light source sub-boxes, the self-defined light source sub-box is the light source sub-box designated by the user, the control circuit sets the light source box to be in the communication mode, and after 5 seconds, the control circuit sets the light source box to be in the stimulation mode.
6. The steady state visual evoked potential communication system of claim 1, wherein:
the electroencephalogram acquisition module is connected with the information interaction module through Bluetooth communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110825498.5A CN113568503B (en) | 2021-07-21 | 2021-07-21 | Communication system based on steady-state visual evoked potential |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110825498.5A CN113568503B (en) | 2021-07-21 | 2021-07-21 | Communication system based on steady-state visual evoked potential |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113568503A CN113568503A (en) | 2021-10-29 |
| CN113568503B true CN113568503B (en) | 2024-02-13 |
Family
ID=78165955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110825498.5A Active CN113568503B (en) | 2021-07-21 | 2021-07-21 | Communication system based on steady-state visual evoked potential |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113568503B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2888524Y (en) * | 2005-12-08 | 2007-04-11 | 清华大学 | Brain-machine interface device based on high-frequency stable vision evoked potentials |
| CN101576772A (en) * | 2009-05-14 | 2009-11-11 | 天津工程师范学院 | Brain-computer interface system based on virtual instrument steady-state visual evoked potentials and control method thereof |
| CN102339127A (en) * | 2011-09-09 | 2012-02-01 | 中南民族大学 | Design scheme of virtual Chinese and English universal keyboard controlled by brain waves |
| KR20130125974A (en) * | 2012-05-10 | 2013-11-20 | 한양대학교 산학협력단 | Intention delivery interface and intention deciding method using visual stimulus under eyes closed state |
| GB201505539D0 (en) * | 2014-03-31 | 2015-05-13 | Rovi Guides Inc | Methods and systems for selecting media guidance applications based on a position of a brain monitoring user device |
| CN106214391A (en) * | 2016-07-21 | 2016-12-14 | 山东建筑大学 | Based on brain-computer interface intellectual nursing bed and control method |
| CN106407850A (en) * | 2015-08-06 | 2017-02-15 | 谢韬 | A multifunctional remote control computer antitheft alarm |
| CN106802723A (en) * | 2017-01-18 | 2017-06-06 | 西安电子科技大学 | A kind of Two bors d's oeuveres Chinese input system based on Steady State Visual Evoked Potential |
| CN109471530A (en) * | 2018-10-22 | 2019-03-15 | 吉林大学 | Brain control input method based on Steady State Visual Evoked Potential and Mental imagery |
| CN109992112A (en) * | 2019-04-02 | 2019-07-09 | 上海大学 | Patient with severe symptoms based on SSVEP is intended to expression system and method |
-
2021
- 2021-07-21 CN CN202110825498.5A patent/CN113568503B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2888524Y (en) * | 2005-12-08 | 2007-04-11 | 清华大学 | Brain-machine interface device based on high-frequency stable vision evoked potentials |
| CN101576772A (en) * | 2009-05-14 | 2009-11-11 | 天津工程师范学院 | Brain-computer interface system based on virtual instrument steady-state visual evoked potentials and control method thereof |
| CN102339127A (en) * | 2011-09-09 | 2012-02-01 | 中南民族大学 | Design scheme of virtual Chinese and English universal keyboard controlled by brain waves |
| KR20130125974A (en) * | 2012-05-10 | 2013-11-20 | 한양대학교 산학협력단 | Intention delivery interface and intention deciding method using visual stimulus under eyes closed state |
| GB201505539D0 (en) * | 2014-03-31 | 2015-05-13 | Rovi Guides Inc | Methods and systems for selecting media guidance applications based on a position of a brain monitoring user device |
| CN106407850A (en) * | 2015-08-06 | 2017-02-15 | 谢韬 | A multifunctional remote control computer antitheft alarm |
| CN106214391A (en) * | 2016-07-21 | 2016-12-14 | 山东建筑大学 | Based on brain-computer interface intellectual nursing bed and control method |
| CN106802723A (en) * | 2017-01-18 | 2017-06-06 | 西安电子科技大学 | A kind of Two bors d's oeuveres Chinese input system based on Steady State Visual Evoked Potential |
| CN109471530A (en) * | 2018-10-22 | 2019-03-15 | 吉林大学 | Brain control input method based on Steady State Visual Evoked Potential and Mental imagery |
| CN109992112A (en) * | 2019-04-02 | 2019-07-09 | 上海大学 | Patient with severe symptoms based on SSVEP is intended to expression system and method |
Non-Patent Citations (1)
| Title |
|---|
| 稳态视觉诱发电位的脑机接口范式及其信号处理方法研究;徐光华;张锋;谢俊;李叶平;韩丞丞;李黎黎;西安交通大学学报;第49卷(第6期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113568503A (en) | 2021-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105997021B (en) | Wearable physiology detection apparatus | |
| CN205493807U (en) | Wearable electrocardiograph detection apparatus | |
| CN105022488B (en) | Wireless BCI input systems based on SSVEP brain electric potentials | |
| US9079023B2 (en) | Portable device | |
| US6529773B1 (en) | Communication and control by means of brainwave and other processes causing voltage changes that can be measured from the body | |
| US20070032827A1 (en) | Method and apparatus for producing therapeutic and diagnostic stimulation | |
| CN106994013A (en) | Wearable physiology resonance stimulating system, electrical stimulation device and physiological activity sensing device further | |
| TWM553988U (en) | Wearable physical activity sensor, sensing device, sensing system, electrode structure, and electrical stimulation device | |
| CN205899176U (en) | Wearing formula physiology monitoring devices | |
| KR102101809B1 (en) | Sleep and arousal inducing device | |
| TW201626951A (en) | Wearable physiological monitoring device and system | |
| CN113568503B (en) | Communication system based on steady-state visual evoked potential | |
| CN216168407U (en) | Hospital bed control system based on brain waves | |
| CN115644825A (en) | Sleep stimulation adjusting method based on external environment and related equipment | |
| CN112386259A (en) | Wearable equipment for detecting brain waves | |
| WO2018092450A1 (en) | Electrotherapy device, and therapy system | |
| TWI610656B (en) | Wearable physiological monitoring device | |
| CN205268835U (en) | Sleep appearance with adjustable be provided with display screen | |
| CN213312754U (en) | Wearing device for promoting meditation and guiding dreams | |
| CN214678895U (en) | Wearable equipment for detecting brain waves | |
| CN215384121U (en) | Integrated visual evoked potential device | |
| CN219423129U (en) | Sleep auxiliary eye-shade | |
| CN113397502B (en) | Multimode data acquisition equipment based on neural feedback | |
| CN109498425A (en) | Smart myopia treatment system | |
| CN210447003U (en) | Eye cover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |