KR20170092757A - System for providing concentration distinction contents using electroencephalogram, and method thereof - Google Patents

Abstract

The present invention relates to a system and a method for providing concentration distinction content by using electroencephalogram. According to the present invention, the system for providing the concentration distinction content by using the electroencephalogram includes an electroencephalogram measuring device obtaining electroencephalogram raw data (EEG raw data). The system for providing concentration distinction content by using electroencephalogram provides a concentration distinction content game control UI screen by providing a concentration index (CI) obtained by a concentration training program after loading the concentration training program stored in a storage unit on a memory when the concentration index (CI) is completely obtained from the electroencephalogram raw data (EEG raw data) after receiving the electroencephalogram raw data (EGG raw data) from the electroencephalogram measuring device by a Bluetooth communication method. Therefore, the system and the method for providing the concentration distinction content by using the electroencephalogram can improve concentration in a daily life after predetermined training by providing concentration increasing training by using the concentration distinction content. In other words, the system and the method for providing the concentration distinction content by using the electroencephalogram can obtain effect of improving the concentration before and after the training by providing a concentration training method and improving the concentration based on the electroencephalogram measuring device conveniently worn to provide the concentration distinction content based on electroencephalogram measurement and a user device such as a smartphone and a smart pad wirelessly interfacing with the electroencephalogram measuring device.

Description

[0001] The present invention relates to a system and a method for providing concentration-discriminating contents using brain waves,

The present invention relates to a system and method for providing concentration-based discrimination contents using EEG, and more particularly, to a brain-wave measuring instrument that is easy to wear for providing contents of discrimination based on EEG measurement, a smart phone, And more particularly, to a system and method for providing concentration-based discrimination contents using brain waves to obtain an effect of improving concentration of the user before and after training by providing concentration and concentration training methods based on the same user device.

Attention Deficit Hyperactivity Disorder (ADHD), which is a typical symptom of attention deficit and deprivation, is a common symptom in childhood, but recently ADHD symptoms are increasing in adults.

The lack of attention and lack of attention and the resulting decrease in work and learning efficiency are suggested to be symptoms due to ADHD.

Concentration improvement training is needed as a method to solve these ADHD symptoms, and product development is actively carried out to maximize related research and treatment effects.

The conventional concentration training training uses an EEG measurement system for concentration measurement and analyzes EEG characteristics occurring during the concentration between 8 and 20 Hz. In this way, the existing concentration-enhancing program is conducting neurofeedback-based concentration training. However, it is difficult to standardize the concentration according to individual differences, and it is difficult to objectively confirm whether the concentration is increased because the concentration that reflects individual characteristics is not reflected.

Accordingly, in the related art, there is a need to develop a technique for realizing contents that can be trained step by step from a generalized concentration index by applying a generalization process for measuring a real-time brain wave and minimizing a user-specific deviation of the measured data .

Korean Patent Registration Bulletin No. 10-1553854 entitled " Game-based exercise rehabilitation system and method using EEG concentration feedback " Korean Patent Registration No. 10-0282733 entitled " Real Time EEG Measurement Device Using Headband " Korean Patent Laid-Open Publication No. 10-2015-0028451 entitled "

In order to solve the above-described problems, the present invention provides a concentration-discriminating content using an EEG to improve the concentration index by receiving EEG signals from bio-signals and providing data through concentration and discrimination contents for concentration training through data collection System and method.

In order to accurately implement a game control UI screen on the content of discriminating power of concentration, the present invention improves the precision by improving the S / N ratio of extracted EEG signals and removing motion artifacts and artefacts A system and method for providing concentration-based discrimination contents using an EEG to provide a high control success rate in a control signal generation process for controlling a device to be controlled by performing a preprocessing process for state classification for device control .

However, the objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a system for providing a concentration-based content discrimination using an EEG, including: an EEG-RAW-DATA; And receiving the EEG RAW-DATA via the Bluetooth communication method from the EEPROM and then acquiring the concentration index (CI) from the EEG RAW-DATA, (CI) obtained by the training program after loading the concentration training program stored in the game program on the system memory, UI screen 'is provided.

In order to achieve the above object, a method for providing concentration-based discrimination contents using an EEG according to an embodiment of the present invention includes acquiring EEG RAW-DATA from an EEPROM, To a device; After the user device completes the acquisition of the concentration index (CI) from the EEG RAW-DATA, the user device loads the concentration training program stored in the storage unit onto the system memory, A second step of providing a concentration index (CI) obtained by a training program; And the training program use a concentration index (CI) to determine the concentration of the content. The content control game control (Game Control), which matches with the concentration index of the left and right according to the game control, UI screen '; .

In this case, the EEG RAW-DATA obtained in the first step may include a left channel signal of the subject with a first channel EEG signal measured on the first channel EEG signal of the EEG instrument, It is preferable that the right channel signal of the subject is acquired by the second channel EEG signal measured by the second channel EEG and then obtained by analog-digital conversion.

In the second step, the user device performs the first channel EEG data and the second channel EEG data in accordance with Fast Fourier Transform (FFT) / CI (Concentration Index) It is desirable to calculate the concentration index (CI) using dynamic noise, artifact removed SMR (Sensory Motor Rhythm) wave, m-Beta (middle beta) wave and Theta wave.

The system and method for providing concentration-based discrimination contents using EEG according to an embodiment of the present invention provides an effect of increasing the concentration power in daily life after a certain training by providing concentration-increasing training through concentration-discriminating contents.

In other words, by providing user-device-based concentration and concentration training methods such as a brain-wave measuring instrument that is easy to wear to provide concentration-discriminating contents based on EEG measurement and a smart phone and a smart pad that wirelessly interface with it, The effect can be obtained.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing a configuration of a brain-wave measuring device and a system for providing a concentration-based discriminating content using an EEG according to an embodiment of the present invention. FIG.
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]
FIG. 3 is a view showing a UI screen of a concentration-determining content game control (Game Control) implemented in a user device in a system for providing concentration-based content discrimination using brain waves according to an embodiment of the present invention;
FIG. 4 is a graph illustrating a result of concentration training by a system for providing concentration-based content discrimination using brain waves according to an embodiment of the present invention; FIG.
FIG. 5 is a flowchart illustrating a method for providing concentration-based content discrimination using brain waves according to an embodiment of the present invention. FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a detailed description of preferred embodiments of the present invention will be given with reference to the accompanying drawings. In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In the present specification, when any one element 'transmits' data or signals to another element, the element can transmit the data or signal directly to the other element, and through at least one other element Data or signal can be transmitted to another component.

FIG. 1 is a diagram showing a configuration of a system for providing a content of discrimination using brain waves (FIG. 1A) and an electroencephalogram (EEG) instrument 100 according to an embodiment of the present invention. Referring to FIG. 1, a system for providing a concentration-based discriminating content using EEG includes an EEG instrument 100 and an Android device 200.

The EEG 100 measures the EEG signal for real-time EEG measurement of the subject and performs measurement for each channel of the left and right brain in a mono-polar manner using the EEG measurement technique. Thus, the first channel EEG signal (1CH EEG signal) And acquires a second channel EEG signal (2CH EEG signal).

1B, the EEPROM 100 includes an MPU 110, an I / O interface 120, a first channel electropherogram 121, a second channel EEP 122 and a Bluetooth communication module 130, Respectively.

Here, the first channel electroencephalogram plate 121 is formed to obtain a left channel signal of a subject which is a first channel EEG signal (1CH EEG signal), and the second channel electroencephalogram plate 122 is formed to obtain a second channel EEG signal ) ≪ / RTI >

The first channel electroencephalogram plate 121 and the second channel electroencephalogram plate 122 transmit and receive signals and data through the MPU 110 and the I / O interface 120. The MPU 110 transmits and receives signals and data through the Bluetooth communication module (1CH EEG signal) and a second channel EEG signal (2CH EEG signal) to the user device 200 through the channel 130.

On the other hand, the input range of the EEG 100 signal is ± 393 μV, and the analog signal is acquired through 15-bit resolution and sampling of 250 Hz.

The MPU 110 of the brainwave instrument 100 transmits a first channel EEG signal and a second channel EEG signal, which are analog signals, before transmitting data to the user device, the Android device 200, (1CH EEG Data) and second channel brain wave data (2CH EEG Data) which are digital data.

FIG. 2 is a diagram illustrating a configuration of a user device 200 in a system for providing concentration-based content discrimination using brain waves according to an embodiment of the present invention. 2, the user device 200 includes a touch screen 210, a communication module 220, a control unit 230, and a storage unit 240. The control unit 230 includes a bandpass filter 231, a noise cancellation module 232, a CI calculation module 233, and a concentration determination content providing module 234.

The band pass filter 231 receives first channel brain wave data (1CH EEG Data) and second channel brain wave data (2CH EEG Data) from the brainwave measuring instrument 100 in a Bluetooth manner through the communication module 220.

The band pass filter 231 analyzes SMR (Sensory Motor Rhythm) waves among the various signals of the brain waves to analyze the concentration of the subject on the first channel brain wave data (1CH EEG Data) and the second channel brain wave data (2CH EEG Data) m-Beta (middle beta) wave, SMR (Sensory Motor Rhythm) wave and m-Beta (middle beta) wave through a bandpass filter to apply theta wave appearing when the frequency of motion, , And theta (theta) wave in the frequency domain.

After the correction by the band pass filter 231 is completed, the noise removal module 232 applies the technique of improving the S / N ratio of the extracted signal and removing motion artifacts and artefacts. In one embodiment of the present invention, the noise cancellation module 232 extracts a root mean square (RMS) parameter to secure a signal size, and then performs a point moving average filter an average filter may be applied to derive the result values of the first channel and the second channel.

In addition, the noise removing module 232 may utilize an algorithm that uses a constraint to separate the original EEG component and the body motion component when the artifact is removed.

The CI calculation module 233 finally detects the concentration index CI, and uses the following equation (1) to calculate the concentration index CI.

That is, the CI calculation module 233 calculates the SMR (Sensory Motor Rhythm) wave in which motion artifacts and artifacts are removed from the first channel brain wave data (1CH EEG Data) and the second channel brain wave data (2CH EEG Data) -Beta (middle beta) wave and Theta (theta) waves are used to calculate the concentration index (CI).

The concentration-determination-content providing module 234 loads a concentration-training program corresponding to concentration-focused content stored on the storage unit 140 onto the system memory, A UI screen of a concentration-determining content game control (Game Control) matching with a concentration index (CI) of a left wave and a right wave calculated by the CI calculating module 233 after displaying a concentration UI training training content UI (User Interface) .

In the present invention, the concentration-discriminating content is implemented in the Android-based mobile smart device to evaluate the concentration power corresponding to the concentration index (CI), and the implemented result is the UI screen of the ' Which corresponds to the UI screen shown in FIG.

As shown in FIG. 3, the content implemented in the UI screen is made of an Android-based application. In order to evaluate the concentration training, the change in the concentration index based on the brain waves for a limited time is measured and averaged to reflect the score. The implemented contents can be trained step by step of 5 seconds and if the high concentration is maintained, the focus can be collected at the center of the bull's-eye and the real time concentration state can be distinguished.

On the other hand, to evaluate the performance of the concentration - discriminating contents implemented in the Android - based mobile smart device among the contents providing system using the EEG, 5 concentration students were trained and the concentration index The results are shown in the graph of FIG.

In other words, the experimental result shown in FIG. 4 is a result of analyzing the concentration of brain waves for 5 minutes according to the experiment stage, and it is confirmed that the concentration index is significantly changed by the concentration training. In addition, it is possible to confirm the usefulness of the concentration-enhanced contents implemented through the experimental results.

FIG. 5 is a flowchart illustrating a method of providing concentration-based discrimination contents using EEG according to an embodiment of the present invention. Referring to FIG. 5, the EEG instrument 100 acquires EEG RAW-DATA (S100) and transmits it to the user device 200 through a Bluetooth communication method (S200).

The EEG RAW-DATA obtained in the step S100 is converted into the left channel signal of the subject by the first channel EEG signal measured on the first channel EEPROM 121 of the EEPROM 100 , And the right channel signal of the subject is acquired by the second channel EEG signal measured by the second channel electroencephalogram plate 122 and then obtained by analog-digital conversion.

In step S200, the user device 200 receives the concentration-training program stored in the storage unit 240 when the concentration index (CI) acquisition is completed through an FFT (Fast Fourier Transform) / CI (CI) obtained by a training program (S300) after loading the training program into the system memory. Here, the user device 200 generates motion noise and artifacts in each of the first channel brain wave data (1CH EEG Data) and the second channel brain wave data (2CH EEG Data) by Fast Fourier Transform (CFT) / CI Calculate concentration index (CI) using SMR (Sensory Motor Rhythm) wave, m-Beta (middle beta) wave, and Theta (theta) wave removed.

Accordingly, the training program uses the concentration index (CI) to determine the concentration of the game based on the content of the game, Control UI screen '(S400).

The present invention can also be embodied as computer-readable codes on a computer-readable recording medium. A computer-readable recording medium includes all kinds of recording apparatuses in which data that can be read by a computer system is stored.

Examples of the computer-readable recording medium include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device and the like, and also implemented in the form of a carrier wave (for example, transmission over the Internet) .

The computer readable recording medium may also be distributed over a networked computer system so that computer readable code can be stored and executed in a distributed manner. And functional programs, codes, and code segments for implementing the present invention can be easily inferred by programmers skilled in the art to which the present invention pertains.

As described above, preferred embodiments of the present invention have been disclosed in the present specification and drawings, and although specific terms have been used, they have been used only in a general sense to easily describe the technical contents of the present invention and to facilitate understanding of the invention , And are not intended to limit the scope of the present invention. It is to be understood by those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.

100: EEG 110: MPU
120: I / O interface 121: First channel EEG electrode
122: second channel EEG electrode 130: Bluetooth communication module
200: user device 210: touch screen
220: communication module 230:
231: Bandpass filter 232: Noise canceling module
233: CI operation module
234: Concentration determination content providing module 240:

Claims (4)

An EEG instrument acquiring EEG RAW-DATA; And
After the EEG RAW-DATA is received from the EEPROM through the Bluetooth communication method and the acquisition of the concentration index (CI) from the EEG RAW-DATA is completed, (CI) obtained by a training program after loading a stored concentration training program (Training Program) onto a system memory, thereby providing a 'concentration control game content control game control UI Screen 'is provided to the user.
A first step of acquiring EEG RAW-DATA from an EEG instrument and transmitting the EEG RAW-DATA to a user device via a Bluetooth communication method;
After the user device completes the acquisition of the concentration index (CI) from the EEG RAW-DATA, the user device loads the concentration training program stored in the storage unit onto the system memory, A second step of providing a concentration index (CI) obtained by a training program; And
The training program uses a concentration index (CI) to determine the concentration of the content. The content control game (Game Control) UI that matches with the left and right concentration index (CI) A third step of providing a screen '; The method of claim 1, further comprising:
The method according to claim 2, wherein the EEG RAW-DATA obtained in the first step includes:
(2CH EEG signal) measured by the second channel EEG signal measured by the second channel EEPR signal measured by the first channel EEG signal measured on the first channel EEG signal of the EEPROM Wherein the right ear signal of the subject is acquired and then obtained by analog-digital conversion.
4. The method of claim 3,
The user device removes motion artifacts and artifacts from the first channel brain wave data (1CH EEG data) and the second channel brain wave data (2CH EEG data) by a Fast Fourier Transform (FFT) / CI Wherein a concentration index (CI) is calculated using an SMR (Sensory Motor Rhythm) wave, an m-Beta (middle beta) wave, and a Theta (theta) wave.

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