CN109697046A - Brain wave graphic display method and system based on browser - Google Patents
Brain wave graphic display method and system based on browser Download PDFInfo
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- CN109697046A CN109697046A CN201910142045.5A CN201910142045A CN109697046A CN 109697046 A CN109697046 A CN 109697046A CN 201910142045 A CN201910142045 A CN 201910142045A CN 109697046 A CN109697046 A CN 109697046A
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- browser
- brain wave
- eeg data
- patient
- graphic display
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- 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
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/369—Electroencephalography [EEG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/40—Detecting, measuring or recording for evaluating the nervous system
- A61B5/4076—Diagnosing or monitoring particular conditions of the nervous system
- A61B5/4094—Diagnosing or monitoring seizure diseases, e.g. epilepsy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/725—Details of waveform analysis using specific filters therefor, e.g. Kalman or adaptive filters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/7264—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems
- A61B5/7267—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems involving training the classification device
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H15/00—ICT specially adapted for medical reports, e.g. generation or transmission thereof
Abstract
The present invention provides a kind of brain wave graphic display method and system based on browser, and the brain wave graphic display method based on browser includes: to detect user to check operation comprising patient information by what browser inputted；Based on the operation of checking detected, eeg data corresponding with patient information is obtained；Corresponding brain wave figure is drawn according to the timing of eeg data on a web browser；The brain wave figure that Dynamic Display is drawn on browser interface.
Description
Technical field
The present invention relates to computer fields, and in particular to a kind of brain wave graphic display method based on browser and are
System.
Background technique
Epilepsy is a kind of brain chronic disease, influences various countries crowd in the world.The feature of the disease is recurrent exerbation.Epilepsy
When breaking-out, a certain position of body or the of short duration nonautonomy twitch (i.e. partial seizures or generalized seizures) of entire body, sometimes
With the loss of consciousness and urinary incontinence.Epileptic attack is caused by one group of brain cell paradoxical discharge, and the different parts of brain all may
Site as paradoxical discharge.Breaking-out is reflected into the twitch of serious and duration from the very short loss of consciousness or muscle and differs；Hair
Difference also may be present in the frequency of work, from annual breaking-out less than once, differs several times to breaking-out daily.Because epileptic attack is special
Property and not timing, bring very big trouble to the trip of patient.There is emergentness, doctors also to have no way of for epileptic attack
Solve the real-time electroencephalogram waveform of patient's various actions in daily life.
Most brain wave acquisitions and software can only can just check patient's static state under hospital outpatient or Hospitalization situation at present
EEG signals, but the real-time electroencephalogram waveform in patient's daily life can not be observed.Although occurring portable brain on the market
Electricity acquisition equipment, patient can body-worn portable brain electric acquisition equipment realize the real-time acquisitions of EEG signals, shape after acquisition
It is sent on client software at brain wave figure.Doctor carries out checking for data by specific client software, thus real
Now long-range monitoring.In this long-range monitor mode, electroencephalogram shape can only check that this will seek medical advice on specified client software
The raw computer used, which must install specified software, can just check electroencephalogram waveform, can not accomplish cross-platform no additional software installation
Demand, it is inconvenient to use, bring difficulty to remote real-time monitoring.
Secondly as brain wave figure is dynamic and its data is very huge, the transmission of current brain wave figure
Mode is transmitted by way of figure or video, figure or video council is more or less is distorted after transmission.And
Epileptic condition reflection to the variation on brain wave figure be it is very subtle, the figure after distortion can seriously affect the judgement of lesion.
Summary of the invention
The present invention is in order to overcome existing brain wave long-distance monitoring method that can look into woth no need to install specific client software
The problem of seeing provides a kind of brain wave graphic display method and system based on browser that cross-platform can be checked.
To achieve the goals above, the present invention provides a kind of brain wave graphic display method based on browser comprising:
Detection user checks operation comprising patient information by what browser inputted；
Based on the operation of checking detected, eeg data corresponding with patient information is obtained；
Corresponding brain wave figure is drawn according to the timing of eeg data on a web browser；
The brain wave figure that Dynamic Display is drawn on browser interface.
An embodiment according to the present invention, patient acquire eeg data, Huan Zhesuo by wearing portable brain electric equipment
The mobile terminal held controls portable brain electric equipment and receives the eeg data of acquisition, obtains brain electricity number corresponding with patient information
According to including:
In response to the operation of checking detected, the mobile terminal for checking request to patient is sent；
The transmitted eeg data of request is checked in the mobile terminal response for receiving patient.
An embodiment according to the present invention, before drawing corresponding brain wave figure, further includes:
After receiving the eeg data that the mobile terminal from patient is sent, coding compresses the eeg data received；
Browser, which receives, to be encoded compressed eeg data and unzips it decoding.
An embodiment according to the present invention, carries out coding pressure to the eeg data received by the way of lossless compression
Contracting.
An embodiment according to the present invention, when showing the brain wave figure drawn, detection is for the aobvious of brain wave figure
Show operation；
In response to the display operation detected, repaints and show brain wave figure.
An embodiment according to the present invention, the display operation for brain wave figure include lead handover operation, amplitude tune
Whole operation, chart drive speed adjustment operation and filtering operation.
An embodiment according to the present invention, the brain wave graphic display method based on browser further include:
The brain wave figure of drafting is identified and marks brain electrical anomaly event；
When anomalous event occurs in the eeg data of acquisition, in the browser-presented anomalous event.
An embodiment according to the present invention, the brain wave graphic display method based on browser further include:
Confirmation operation of the detection for the anomalous event shown；
In response to the confirmation operation for the anomalous event shown, indicating risk information is sent to patient.
It is corresponding, the brain wave graphic display system based on browser that the present invention also provides a kind of comprising detection mould
Block, data acquisition module, graphic plotting module and display module.Detection module detects user by what browser inputted
Patient information checks operation.Data acquisition module obtains brain electricity corresponding with patient information based on the operation of checking detected
Data.Graphic plotting module draws corresponding brain wave figure according to the timing of eeg data on a web browser.Display module exists
The brain wave figure that Dynamic Display is drawn on browser interface.
An embodiment according to the present invention, data acquisition module include real time data transit module, and patient is by wearing just
Formula brain electric equipment is taken to acquire eeg data, the mobile terminal control portable brain electric equipment that patient is held and the brain for receiving acquisition
Electric data, real time data transit module receive mobile terminal output eeg data and by eeg data coding compression after export to
Browser.
In conclusion the brain wave graphic display method and system provided by the invention based on browser, on a web browser
Detection user's input checks operation to obtain eeg data, and browser is drawn after receiving eeg data according to eeg data
Corresponding brain wave figure, to realize the real-time exhibition of brain wave figure on a web browser.User can it is cross-platform
Real time inspection brain wave figure on the browser of the system remotes terminal such as windows, linux, macOS, without installing any spy
Fixed client software, use are very convenient.In addition, it is eeg data, mistake of the eeg data in transmission that browser is received
The problem of being not in distortion brought by conventional pictures or transmission of video in journey, therefore drawn on a web browser according to eeg data
Produce the brain wave figure come be it is clear and accurate, doctor can capture the subtle change in brain wave figure by various operations
Change, to find lesion or pathological information before the onset.
For above and other objects of the present invention, feature and advantage can be clearer and more comprehensible, preferred embodiment is cited below particularly,
And cooperate attached drawing, it is described in detail below.
Detailed description of the invention
Fig. 1 show the flow chart of the brain wave figure methods of exhibiting based on browser of one embodiment of the invention offer.
Fig. 2 show the step flow chart of step S20 in Fig. 1.
Fig. 3 show the schematic diagram for the brain wave figure display systems based on browser that one embodiment of the invention passes through.
Specific embodiment
Brain wave graphic display method provided in this embodiment based on browser includes: that detection user is defeated by browser
What is entered checks operation (step S10) comprising patient information.Based on the operation of checking detected, obtain corresponding with patient information
Eeg data (step S20).Corresponding brain wave figure (step S30) is drawn according to the timing of eeg data on a web browser.
The brain wave figure (step S40) that Dynamic Display is drawn on browser interface.This reality is discussed in detail below in conjunction with Fig. 1 and Fig. 2
The working principle of the brain wave graphic display method based on browser of example offer is provided.
Brain wave graphic display method provided in this embodiment based on browser starts from step S10.It is in this step
The continuous detection user of system checks operation comprising patient information by what browser interface inputted.The information of patient includes characterization
The identification code of patient identity, such as ID card No., phone number or the outpatient service number of hospital of patient.It is insane generally for having
For the patient of epilepsy medical history, eeg data monitoring many times can be done, therefore in that case, the patient information can yet wrap
Include the monitoring number either monitoring time for needing to check.Either browsed after the identification code that user inputs characterization patient identity
The eeg monitoring that device will show that patient is done according to the mode of descending on browser interface, user select the monitoring to be checked
Coding or monitoring time.
Once system detection to after checking operation, in response to the operation, system will be according to the identification code of characterization patient identity
Corresponding eeg data is obtained with monitoring number (or monitoring time).In this present embodiment, patient is portable by wearing
Formula brain electric equipment acquires eeg data in real time, and the mobile terminal control portable brain electric equipment that patient is held simultaneously receives acquisition
Eeg data.However, the present invention is not limited in any way this.It is provided by the invention based on browser in other embodiments
Brain wave graphic display method is equally applicable to the collected EEG signals of institute in hospital workstations.For example, work as hospital workstations
The brain wave graphic display method based on browser that can be provided through the invention after EEG signals is collected in remote terminal
The brain wave figure of monitoring is shown on browser.
In this present embodiment, step S20 include: when detect check operation after, browser by transmission check request to suffer from
The mobile terminal (step S201) of person.Request is checked in response to this, and the mobile terminal of patient exports the brain electricity number detected in real time
According to.The transmitted eeg data (step S202) of request is checked in the mobile terminal response that system receives patient.Due to eeg data
It is the signal in brain in patients cortex, signal complexity is high, and data volume is very huge, and dynamically shows and even more aggravate
The burden of data transmission.In order to solve this problem, step S20 further include: when receive from patient's mobile terminal send
After eeg data, coding compresses the eeg data received and exports to browser (step S203), and browser receives coding pressure
Eeg data after contracting simultaneously unzips it decoding (step S204).A large amount of eeg data, which is compressed with, substantially reduces storage
Space, to also significantly improve the transmission rate of data.
For the accuracy for guaranteeing eeg data, in this present embodiment, the coding boil down to lossless coding pressure in step S203
Contracting.Huffman coding is typically considered a kind of compression method and coding in lossless compression method with forced coding efficiency
It realizes and is easy；But its coding rate is very slow, and impracticable.The present embodiment is on the basis of traditional Huffman coding
A kind of adaptive H uffman coding is proposed, specific cataloged procedure is as follows:
Step 1, whether the character for judging coding is the symbol encountered for the first time；
Step 2, if so, including step 21: replacing original NYT with comprising the word tree of new symbol and new NYT node；Step
22: the coding that output is guided by escape code；Step 23: former NYT and new leaf node are assigned to weight 1；Step 24: prosthomere is worked as in change
Point is NYT node and enters step, 7.
Step 3, if it is not, then carrying out coding output to symbol.
Step 4, judge whether number is maximum in block.
Step 5, if so, node weights add 1 and enter step 7；
Step 6, if it is not, there is the node of maximum number in exchange present node block and enter step 5.
Step 7, judge whether present node is root node, if then terminating to encode.
Step 8, it is father node and enters step in 4 if it is not, changing present node.
It only includes a leaf node that adaptive H uffman coding, which enables the original state of code tree, its weighted value is 0, symbol
Number be NYT.NYT is different with the symbol of coding, it is the guidance encoded to the symbol first appeared.Particularly as being
Adaptive H uffman method is NYT+ to the symbolic coding first appeared in data flow when encoding to data stream
The form of symbol.For decoding end in decoding, decoder just recognizes subsequent eight if the coding for decoding a NYT symbol
Binary stream not instead of Huffman coding, a character not occurred in metadata streams are realized to according with for the first time
It number is encoded.
With the increase of data volume, the total compression efficiency of algorithm can increase adaptive H uffman method provided in this embodiment
Add.However, the present invention is not limited in any way the mode of lossless compression.LZW coding can also be used in other embodiments or calculate
Art coding.
In step S204, browser carries out the eeg data received according to the coding rule of adaptive H uffman
Decompression decoding obtains the real-time eeg data of the EEG signals of true 24 lossless precision, executes step S30 later,
Corresponding brain wave figure is drawn according to the timing of eeg data on browser.Specifically: the canvas built in browser is inserted
Part generates painting canvas, specifies region to draw grid in painting canvas.It reads and decompresses decoded eeg data.Finally, big according to painting canvas
The eeg data parsed is plotted to corresponding position by small, sizing grid etc., and then each point is connected in turn.So
And the present invention is not limited in any way this.In other embodiments, other picture plug-in units can be used and carry out brain wave figure
It draws.Step S40 is executed later, the brain wave figure that Dynamic Display is drawn on browser interface.
Image is generallyd use in traditional brain wave figure methods of exhibiting or the mode of video is transmitted, due to data volume
It is huge, image and video are required to be transmitted to remote terminal after overcompression, and image and video will appear distortion after transport,
To seriously affect the judgement of interpreting blueprints doctor.Brain wave graphic display method provided in this embodiment based on browser is not only real
The cross-platform real-time display on windows, linux, macOS system remote terminal browser of brain wave figure is showed；Into one
Step, in eeg data transmission process, EEG signals data carry out specific coding lossless compression and are transmitted, cross-platform
Decoding is unziped it according to specific coding rule on windows, linux, macOS system terminal browser, is got true
Lossless brain wave data information, then brain wave graphic plotting is carried out on a web browser.The transmission of eeg data is not in lose
The problems such as true, and in compressed encoding using lossless compression, therefore the browser brain that eeg data is drawn based on the received is electric
Wave figure is accurate and clear, greatly facilitates reading of the interpreting blueprints doctor for brain wave figure.
Reading for convenience of interpreting blueprints doctor to brain wave figure, in this present embodiment, the brain wave figure based on browser
Display methods further include: when showing the brain wave figure drawn, detection is directed to the display operation (step of brain wave figure
S50).In response to the display operation detected, repaints and show brain wave figure (step S60).For brain wave figure
Display operation include but is not limited to lead handover operation, range-adjusting operation, chart drive speed adjustment operation and filtering behaviour
Make.For example, when detecting range-adjusting operation of the interpreting blueprints doctor for brain wave figure, reality is adjusted according to the requirement of operation
Waveform amplitude.
Further, the brain wave graphic display method provided in this embodiment based on browser further include: to drafting
Brain wave figure is identified and marks brain electrical anomaly event (step S70).When there is anomalous event in the eeg data of acquisition,
In the browser-presented anomalous event (step S80).Confirmation operation (step S90) of the detection for the anomalous event shown；It rings
Ying Yu sends the mobile terminal (step S100) of indicating risk information to patient for the confirmation operation of the anomalous event shown,
Prompt patient takes the necessary measures various risks caused by evading epileptic attack.
Specifically, the label of brain electrical anomaly event uses following steps: first by obtaining a large amount of brain wave figure
Sample carries out time-domain snapshots division to each brain wave figure sample respectively and obtains the time domain parameter and frequency domain ginseng of each segment
Number, to obtain one group of characteristic parameter corresponding to each segment.Random forest grader is trained with these characteristic parameter groups
Interior multiple decision trees form Random Forest model.Time-domain snapshots division is carried out to the brain wave figure of drafting and is obtained each
The time domain parameter and frequency domain parameter of segment, to obtain one group of feature ginseng corresponding to each segment of the brain wave figure of drafting
Number marks the anomalous event on EEG signals in the Random Forest model of multiple groups characteristic parameter input foundation from time domain.So
And the present invention is not limited in any way the mark mode of abnormal eeg data.It is eeg data, Yu Qi since browser is received
In its embodiment, brain electrical anomaly event can also be marked according to eeg data.
Corresponding with the above-mentioned brain wave graphic display method based on browser, the present invention also provides one kind to be based on browser
Brain wave graphic display system 300 comprising detection module 1, data acquisition module 2, graphic plotting module 3, display module 4
And indicating risk module 5.Detection module 1 detects user and checks operation comprising patient information by what browser inputted.Number
According to module 2 is obtained based on the operation of checking detected, eeg data corresponding with patient information is obtained.Graphic plotting module 3 exists
Corresponding brain wave figure is drawn according to the timing of eeg data on browser.The dynamic exhibition on browser interface of display module 4
Show the brain wave figure of drafting.The anomalous event on brain wave figure that the label of indicating risk module 5 is drawn, which is concurrently blown, nearly to be believed
It ceases to the mobile terminal of patient.
In this present embodiment, for detection module 1 when showing the brain wave figure drawn, detection is for the aobvious of brain wave figure
Show operation.Graphic plotting module 3 repaints in response to the display operation detected and shows brain wave figure.
In this present embodiment, data acquisition module 2 includes real time data transit module 21 and browser data receiving module
22, patient acquires eeg data by wearing portable brain electric equipment 100, and the mobile terminal 200 that patient is held controls portable
Formula brain electric equipment and the eeg data for receiving acquisition, real time data transit module 21 receive the brain electricity number that mobile terminal 200 exports
According to and by export after eeg data coding compression to browser, the specific compression process that encodes is as described in step S20.
Indicating risk module 5 includes anomalous event mark module 51 and risk information sending module 52, anomalous event label
Module 51 is identified to brain wave figure and is marked brain electrical anomaly event, and display module 4 is in the browser-presented anomalous event.
The detection of module 1 is detected for the confirmation operation of the anomalous event shown, risk information sending module 52 is in response to for displaying
Anomalous event confirmation operation, send indicating risk information to patient mobile terminal 200.
The concrete operating principle of brain wave graphic display system based on browser such as above-mentioned steps S10 is to step S110 institute
It states, repeats no more again.
In conclusion the brain wave graphic display method and system provided by the invention based on browser, on a web browser
Detection user's input checks operation to obtain eeg data, and browser is drawn after receiving eeg data according to eeg data
Corresponding brain wave figure, to realize the real-time exhibition of brain wave figure on a web browser.User can it is cross-platform
Real time inspection brain wave figure on the browser of the system remotes terminal such as windows, linux, macOS, without installing any spy
Fixed client software, use are very convenient.In addition, it is eeg data, mistake of the eeg data in transmission that browser is received
The problem of being not in distortion brought by conventional pictures or transmission of video in journey, therefore drawn on a web browser according to eeg data
Produce the brain wave figure come be it is clear and accurate, doctor can capture the subtle change in brain wave figure by various operations
Change, to find lesion or pathological information before the onset.
Although the present invention is disclosed above by preferred embodiment, however, it is not intended to limit the invention, this any known skill
Skill person can make some changes and embellishment without departing from the spirit and scope of the present invention, therefore protection scope of the present invention is worked as
Subject to claims range claimed.
Claims (10)
1. a kind of brain wave graphic display method based on browser characterized by comprising
Detection user checks operation comprising patient information by what browser inputted；
Based on the operation of checking detected, eeg data corresponding with patient information is obtained；
Corresponding brain wave figure is drawn according to the timing of eeg data on a web browser；
The brain wave figure that Dynamic Display is drawn on browser interface.
2. the brain wave graphic display method according to claim 1 based on browser, which is characterized in that patient passes through pendant
Portable brain electric equipment is worn to acquire eeg data, the mobile terminal control portable brain electric equipment that patient is held simultaneously receives acquisition
Eeg data, obtaining corresponding with patient information eeg data includes:
In response to the operation of checking detected, the mobile terminal for checking request to patient is sent；
The transmitted eeg data of request is checked in the mobile terminal response for receiving patient.
3. the brain wave graphic display method according to claim 2 based on browser, which is characterized in that corresponded to drawing
Brain wave figure before, further includes:
After receiving the eeg data that the mobile terminal from patient is sent, coding compresses the eeg data received；
Browser, which receives, to be encoded compressed eeg data and unzips it decoding.
4. the brain wave graphic display method according to claim 3 based on browser, which is characterized in that use lossless pressure
The mode of contracting carries out coding compression to the eeg data received.
5. according to the brain wave graphic display method described in claim 1 based on browser, which is characterized in that
When showing the brain wave figure drawn, detection is directed to the display operation of brain wave figure；
In response to the display operation detected, repaints and show brain wave figure.
6. according to the brain wave graphic display method based on browser described in claim 5, which is characterized in that be directed to brain wave figure
The display operation of shape includes lead handover operation, range-adjusting operation, chart drive speed adjustment operation and filtering operation.
7. the brain wave graphic display method according to claim 1 based on browser, which is characterized in that be based on browser
Brain wave graphic display method further include:
Brain wave figure is identified and marks brain electrical anomaly event；
When anomalous event occurs in the eeg data of acquisition, in the browser-presented anomalous event.
8. the brain wave graphic display method according to claim 7 based on browser, which is characterized in that be based on browser
Brain wave graphic display method further include:
Confirmation operation of the detection for the anomalous event shown；
In response to the confirmation operation for the anomalous event shown, indicating risk information is sent to patient.
9. a kind of brain wave graphic display system based on browser characterized by comprising
Detection module, detection user check operation comprising patient information by what browser inputted；
Data acquisition module obtains eeg data corresponding with patient information based on the operation of checking detected；
Graphic plotting module draws corresponding brain wave figure according to the timing of eeg data on a web browser；
Display module, the brain wave figure that Dynamic Display is drawn on browser interface.
10. the brain wave graphic display system according to claim 9 based on browser, which is characterized in that data acquisition
Module includes real time data transit module, and patient acquires eeg data by wearing portable brain electric equipment, what patient was held
Mobile terminal control portable brain electric equipment and the eeg data for receiving acquisition, it is defeated that real time data transit module receives mobile terminal
Eeg data out and by output after eeg data coding compression to browser.
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