CN110090018A - A kind of focus analysis system based on brain dateline band - Google Patents
A kind of focus analysis system based on brain dateline band Download PDFInfo
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- A61B5/168—Evaluating attention deficit, hyperactivity
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Abstract
The present invention discloses a kind of focus analysis system based on brain dateline band, for solving the problems, such as how to analyze and calculate focus by brain dateline band and carry out showing and how reasonably storing focus record；Including brain dateline band, data acquisition module, data statistics module, processor, analysis module, memory module and display module；The present invention acquires brain wave signal and the deflection number of times by data collecting module collected head by brain dateline band, then judgement status is carried out by the image watched eyes, the focus under the state is then analyzed by analysis module and carries out real-time display on the display module；Utilize formulaAcquire focus Zi；Detect that number and the time of β wave and the appearance of γ wave are more, focus is bigger；The deflection number of times of head is more, and focus is smaller.
Description
Technical field
The present invention relates to electroencephalogramsignal signal analyzing technical fields more particularly to a kind of focus based on brain dateline band to analyze system
System.
Background technique
EEG signals are the synthesis for local neuron's electrical activity that scalp is recorded out of tall and big brainpan or outside cranium, include
Physiologic information abundant, can be used for evaluating and testing the attention and allowance of wearer；
Existing brain dateline analyzes the state that can not analyze wearer and analysis with focus and calculates focus and goes forward side by side
The record of row display and reasonable storage focus.
Summary of the invention
The purpose of the present invention is to provide a kind of focus analysis systems based on brain dateline band.
The technical problems to be solved by the invention are as follows:
(1) focus how is analyzed and calculated by brain dateline band and is shown；
(2) focus record how is reasonably stored.
The purpose of the present invention can be achieved through the following technical solutions: a kind of focus analysis system based on brain dateline band
System, including brain dateline band, data acquisition module, data statistics module, processor, analysis module, memory module and display module；
The brain dateline band includes electroencephalogramsignal signal acquisition module and TGAM module；The electroencephalogramsignal signal acquisition module is for adopting
Collection brain wave signal is simultaneously sent to TGAM module；TGAM module receives the brain wave signal that electroencephalogramsignal signal acquisition module is sent and is divided
The number and total time that analysis output rhythm and pace of moving things wave and rhythm and pace of moving things wave occur；The rhythm and pace of moving things wave includes δ wave, θ wave, α wave, β wave and γ wave；
TGAM module is by the number that rhythm and pace of moving things wave and rhythm and pace of moving things wave occur and total time is sent to processor；Processor receives rhythm and pace of moving things wave and the rhythm and pace of moving things
Number and total time that wave occurs simultaneously are sent to memory module and are stored；
The data acquisition module is used to acquire the deflection number of times of user's head and image and the transmission of eyes viewing
To data statistics module；The data statistics module receive user's head that data acquisition module is sent deflection number of times and
The image of eyes viewing is simultaneously counted, and specific statistic procedure is as follows:
Step 1: using place between the eyebrows as basic point, selecting comparison direction, is that head deflection is primary when place between the eyebrows deviates comparison direction；
Step 2: the image that eyes are watched is compared with contrast images；
Step 3: judge the state of user；State includes reading state, sees video state and play game state；
The state of the deflection number of times of the head of acquisition and user is sent to processor by the data statistics module；Institute
It states processor the state of the deflection number of times of head and user is sent to memory module and store；The analysis module is used
In the focus for calculating user, steps are as follows for specific calculating:
S1: the deflection number of times of number and total time and head that the rhythm and pace of moving things wave inside memory module occurs is extracted；
S2: the setting rhythm and pace of moving things is designated as Aj, j=1 ... 5；A1, A2, A3, A4, A5 respectively correspond δ wave, θ wave, α wave, β wave and
γ wave；Set the rhythm and pace of moving things wave appearance correspondence number as Bi, i=1 ... n；Total time is denoted as Tj, j=1 ... 5；Head it is inclined
Turn number and is denoted as Pi, i=1 ... n；
S3: default focus proportionality coefficient is set to Aj；The corresponding focus proportionality coefficient of Aj is denoted as vj, j=1 ... 5；
v1<v2<v3<v4<v5；Default focus scale factor is set to Tj；The corresponding focus scale factor of Tj is denoted as wj, j=
1……5；w1<w2<w3<w4<w5；
S4: formula is utilizedAcquire focus Zi；Wherein, Pi >
Qk；Qk is the deflection number of times threshold values of head；K value is 1,2 or 3；Wherein, Q1 indicates the deflection number of times of the head under reading state
Threshold values；Q2 is the deflection number of times threshold values for the head seen under video state；Q3 is the deflection number of times valve for playing the head under game state
Value；Yk is expressed as preset ratio fixed value；Y1 is the preset ratio fixed value under reading state；Y2 be see it is pre- under video state
If ratio fixed value；Y3 is the preset ratio fixed value played under game state；It can be obtained by formula, detect that β wave and γ wave go out
Existing number and time is more, and focus is bigger；The deflection number of times of head is more, and focus is smaller；
Preferably, the focus of calculating is sent to memory module and processor by the analysis module；Memory module receives
The focus of analysis module transmission is simultaneously stored；Processor receives the focus that analysis module is sent and is sent to display module
Carry out real-time display；
Preferably, the enquiry module is used to inquire the focus stored in memory module and display；The memory module
It inside further include statistic unit, computing unit and compression unit；The statistic unit is used to count the storage time of focus record
And inquiry times；The computing unit is used to calculate the end storage time of focus, and steps are as follows for specific calculating:
SS1: setting the initial storage time of focus as Di, i=1 ... n；Inquiry times are denoted as Ei, i=1 ... n；
SS2: being acquired using formula F i=Di+Ei*z1 terminates storage time Fi, wherein z1 is preset ratio coefficient
Fixed value；
SS3: when terminating, storage time Fi is identical as system current date, and computing unit sends the compression instruction of the focus
To compression unit；Compression unit receives compression and instructs and carry out compression storage to the focus；
Preferably, the image of the viewing of eyes described in step 2 and contrast images compare that detailed process is as follows:
A: the characteristic image set for setting reading is denoted as Hi, i=1 ... n；See that the characteristic image set of video is denoted as Si, i
=1 ... n；The characteristic image set for playing game is denoted as Ri, i=1 ... n；
B: the image that eyes are watched is matched with Hi, Si, Ri, and counts the image of Hi, Si, Ri and eyes viewing
With the successful number of characteristic image；
C: the successful number of statistical match characteristic image respectively；Take the success of matching characteristic image the largest number of for current shape
State；It is reading characteristic image set when the success of matching characteristic image is the largest number of, then current state is reading state；Similarly,
It can must see video state and play game state.
Beneficial effects of the present invention:
(1) present invention by brain dateline band acquisition brain wave signal and passes through the deflection time of data collecting module collected head
Number, then carries out judgement status by the image watched eyes, is then analyzed by analysis module special under the state
Note degree simultaneously carries out real-time display on the display module；
(2) present invention compares the image of eyes viewing with contrast images, judges the state of user；Eyes are seen
The image seen is matched with Hi, Si, Ri, and counts the characteristic image set of reading, the characteristic image set of video, video
The successful number of images match characteristic image of characteristic image set and eyes viewing；Statistical match characteristic image is successful respectively
Number；Take the success of matching characteristic image the largest number of for current state；It is to see when the success of matching characteristic image is the largest number of
Book characteristic image set, then current state is reading state；Similarly, it can must see video state and play game state；
(3) present invention extracts the number and total time and head that the rhythm and pace of moving things wave inside memory module occurs
Deflection number of times；Default focus proportionality coefficient is set to Aj；Default focus scale factor is set to Tj；Utilize formulaAcquire focus Zi；It can be obtained by formula, detect β wave and γ wave
The number of appearance and time are more, and focus is bigger；The deflection number of times of head is more, and focus is smaller；
(4) present invention inquires the focus stored in memory module and display by enquiry module；Computing unit is based on
The end storage time for calculating focus, being acquired using formula F i=Di+Ei*z1 terminates storage time Fi；When end stores
Time Fi is identical as system current date, and the compression that computing unit sends the focus is instructed to compression unit；Compression unit connects
Compression is received to instruct and carry out compression storage to the focus；In order to reasonable compression, memory space is saved.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is a kind of functional block diagram of the focus analysis system based on brain dateline band of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Refering to Figure 1, the present invention be a kind of focus analysis system based on brain dateline band, including brain dateline band,
Data acquisition module, data statistics module, processor, analysis module, memory module and display module；
Brain dateline band includes electroencephalogramsignal signal acquisition module and TGAM module；Electroencephalogramsignal signal acquisition module is for acquiring E.E.G letter
Number and be sent to TGAM module；TGAM module receives the brain wave signal that electroencephalogramsignal signal acquisition module is sent and carries out analysis output section
Restrain the number and total time that wave and rhythm and pace of moving things wave occur；Rhythm and pace of moving things wave includes δ wave, θ wave, α wave, β wave and γ wave；δ wave table shows very tired
Tired, sleep state；θ wave table shows sleepy, fatigue state；α wave table show it is awake loosen, calm state；β wave table shows attention collection
Middle state；γ wave table shows attention very collected state；
TGAM module is by the number that rhythm and pace of moving things wave and rhythm and pace of moving things wave occur and total time is sent to processor；Processor receives the rhythm and pace of moving things
Number and total time that wave and rhythm and pace of moving things wave occur simultaneously are sent to memory module and are stored；
Data acquisition module is used to acquire the deflection number of times of user's head and the image of eyes viewing and is sent to number
Module according to statistics；Data statistics module receives deflection number of times and the eyes viewing for user's head that data acquisition module is sent
Image and counted, specific statistic procedure is as follows:
Step 1: using place between the eyebrows as basic point, selecting comparison direction, is that head deflection is primary when place between the eyebrows deviates comparison direction；
Step 2: the image that eyes are watched is compared with contrast images；
Step 3: judge the state of user；State includes reading state, sees video state and play game state；
The state of the deflection number of times of the head of acquisition and user is sent to processor by data statistics module；Processor
The state of the deflection number of times of head and user is sent to memory module to store；Analysis module is for calculating user
Focus, it is specific to calculate that steps are as follows:
S1: the deflection number of times of number and total time and head that the rhythm and pace of moving things wave inside memory module occurs is extracted；
S2: the setting rhythm and pace of moving things is designated as Aj, j=1 ... 5；A1, A2, A3, A4, A5 respectively correspond δ wave, θ wave, α wave, β wave and
γ wave；Set the rhythm and pace of moving things wave appearance correspondence number as Bi, i=1 ... n；Total time is denoted as Tj, j=1 ... 5；Head it is inclined
Turn number and is denoted as Pi, i=1 ... n；
S3: default focus proportionality coefficient is set to Aj；The corresponding focus proportionality coefficient of Aj is denoted as vj, j=1 ... 5；
v1<v2<v3<v4<v5；Default focus scale factor is set to Tj；The corresponding focus scale factor of Tj is denoted as wj, j=
1……5；w1<w2<w3<w4<w5；
S4: formula is utilizedAcquire focus Zi；Wherein, Pi >
Qk；Qk is the deflection number of times threshold values of head；K value is 1,2 or 3；Wherein, Q1 indicates the deflection number of times of the head under reading state
Threshold values；Q2 is the deflection number of times threshold values for the head seen under video state；Q3 is the deflection number of times valve for playing the head under game state
Value；Yk is expressed as preset ratio fixed value；Y1 is the preset ratio fixed value under reading state；Y2 be see it is pre- under video state
If ratio fixed value；Y3 is the preset ratio fixed value played under game state；It can be obtained by formula, detect that β wave and γ wave go out
Existing number and time is more, and focus is bigger；The deflection number of times of head is more, and focus is smaller；
The focus of calculating is sent to memory module and processor by analysis module；Memory module receives analysis module and sends
Focus and stored；Processor receives the focus that analysis module is sent and is sent to display module and shown in real time
Show；
Enquiry module is used to inquire the focus stored in memory module and display；It further include that statistics is single in memory module
Member, computing unit and compression unit；Statistic unit is used to count the storage time and inquiry times of focus record；Computing unit
For calculating the end storage time of focus, steps are as follows for specific calculating:
SS1: setting the initial storage time of focus as Di, i=1 ... n；Inquiry times are denoted as Ei, i=1 ... n；
SS2: being acquired using formula F i=Di+Ei*z1 terminates storage time Fi, wherein z1 is preset ratio coefficient
Fixed value；
SS3: when terminating, storage time Fi is identical as system current date, and computing unit sends the compression instruction of the focus
To compression unit；Compression unit receives compression and instructs and carry out compression storage to the focus；
The image and contrast images of the eyes viewing of step 2 compare that detailed process is as follows:
A: the characteristic image set for setting reading is denoted as Hi, i=1 ... n；See that the characteristic image set of video is denoted as Si, i
=1 ... n；The characteristic image set for playing game is denoted as Ri, i=1 ... n；
B: the image that eyes are watched is matched with Hi, Si, Ri, and counts the image of Hi, Si, Ri and eyes viewing
With the successful number of characteristic image；
C: the successful number of statistical match characteristic image respectively；Take the success of matching characteristic image the largest number of for current shape
State；It is reading characteristic image set when the success of matching characteristic image is the largest number of, then current state is reading state；Similarly,
It can must see video state and play game state；
The working principle of the invention: the present invention acquires brain wave signal by brain dateline band and passes through data acquisition module
The deflection number of times for acquiring head, then carries out judgement status by the image watched eyes, then passes through analysis mould
Focus under the block analysis state simultaneously carries out real-time display on the display module；By the image and contrast images of eyes viewing
It compares, judges the state of user；The image that eyes are watched is matched with Hi, Si, Ri, and counts the spy of reading
Levy the images match characteristic pattern of image collection, the characteristic image set of video, the characteristic image set of video and eyes viewing
As successful number；The successful number of statistical match characteristic image respectively；Take the success of matching characteristic image the largest number of to work as
Preceding state；It is reading characteristic image set when the success of matching characteristic image is the largest number of, then current state is reading state；Together
Reason can must see video state and play game state；Extract memory module inside rhythm and pace of moving things wave occur number and total time and
The deflection number of times of head；Default focus proportionality coefficient is set to Aj；Default focus scale factor is set to Tj；Utilize formulaAcquire focus Zi；It can be obtained by formula, detect β wave and γ wave
The number of appearance and time are more, and focus is bigger；The deflection number of times of head is more, and focus is smaller；Enquiry module is for looking into
Ask the focus stored in memory module and display；Computing unit is used to calculate the end storage time of focus, utilizes formula
Fi=Di+Ei*z1, which is acquired, terminates storage time Fi；When terminating, storage time Fi is identical as system current date, calculates single
The compression that member sends the focus is instructed to compression unit；Compression unit receives compression instruction and carries out compression to the focus and deposits
Storage；In order to reasonable compression, memory space is saved.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (4)
1. a kind of focus analysis system based on brain dateline band, which is characterized in that including brain dateline band, data acquisition module,
Data statistics module, processor, analysis module, memory module and display module；
The brain dateline band includes electroencephalogramsignal signal acquisition module and TGAM module；The electroencephalogramsignal signal acquisition module is for acquiring brain
Wave signal is simultaneously sent to TGAM module；TGAM module receives the brain wave signal that electroencephalogramsignal signal acquisition module is sent and analyze defeated
The number and total time that rhythm and pace of moving things wave and rhythm and pace of moving things wave occur out；The rhythm and pace of moving things wave includes δ wave, θ wave, α wave, β wave and γ wave；TGAM mould
Block is by the number that rhythm and pace of moving things wave and rhythm and pace of moving things wave occur and total time is sent to processor；Processor receives rhythm and pace of moving things wave and rhythm and pace of moving things wave occurs
Number and total time and be sent to memory module and stored；
The data acquisition module is used to acquire the deflection number of times of user's head and the image of eyes viewing and is sent to number
Module according to statistics；The data statistics module receives the deflection number of times and eyes for user's head that data acquisition module is sent
The image of viewing is simultaneously counted, and specific statistic procedure is as follows:
Step 1: using place between the eyebrows as basic point, selecting comparison direction, is that head deflection is primary when place between the eyebrows deviates comparison direction；
Step 2: the image that eyes are watched is compared with contrast images；
Step 3: judge the state of user；State includes reading state, sees video state and play game state；
The state of the deflection number of times of the head of acquisition and user is sent to processor by the data statistics module；The place
The state of the deflection number of times of head and user is sent to memory module and stored by reason device；The analysis module is based on
The focus of user is calculated, steps are as follows for specific calculating:
S1: the deflection number of times of number and total time and head that the rhythm and pace of moving things wave inside memory module occurs is extracted；
S2: the setting rhythm and pace of moving things is designated as Aj, j=1 ... 5；A1, A2, A3, A4, A5 respectively correspond δ wave, θ wave, α wave, β wave and γ
Wave；Set the rhythm and pace of moving things wave appearance correspondence number as Bi, i=1 ... n；Total time is denoted as Tj, j=1 ... 5；The deflection of head
Number is denoted as Pi, i=1 ... n；
S3: default focus proportionality coefficient is set to Aj；The corresponding focus proportionality coefficient of Aj is denoted as vj, j=1 ... 5；v1<
v2<v3<v4<v5；Default focus scale factor is set to Tj；The corresponding focus scale factor of Tj is denoted as wj, j=1 ...
5；w1<w2<w3<w4<w5；
S4: formula is utilizedAcquire focus Zi；Wherein, Pi > Qk；Qk
For the deflection number of times threshold values of head；K value is 1,2 or 3；Wherein, Q1 indicates the deflection number of times threshold values of the head under reading state；
Q2 is the deflection number of times threshold values for the head seen under video state；Q3 is the deflection number of times threshold values for playing the head under game state；Yk
It is expressed as preset ratio fixed value；Y1 is the preset ratio fixed value under reading state；Y2 is the default ratio seen under video state
Example fixed value；Y3 is the preset ratio fixed value played under game state；It can be obtained by formula, detect what β wave and γ wave occurred
Number and time are more, and focus is bigger；The deflection number of times of head is more, and focus is smaller.
2. a kind of focus analysis system based on brain dateline band according to claim 1, which is characterized in that the analysis
The focus of calculating is sent to memory module and processor by module；Memory module receives the focus that analysis module is sent and goes forward side by side
Row storage；Processor, which receives the focus that analysis module is sent and is sent to display module, carries out real-time display.
3. a kind of focus analysis system based on brain dateline band according to claim 1, which is characterized in that the inquiry
Module is used to inquire the focus stored in memory module and display；Further include statistic unit in the memory module, calculate list
Member and compression unit；The statistic unit is used to count the storage time and inquiry times of focus record；The computing unit
For calculating the end storage time of focus, steps are as follows for specific calculating:
SS1: setting the initial storage time of focus as Di, i=1 ... n；Inquiry times are denoted as Ei, i=1 ... n；
SS2: being acquired using formula F i=Di+Ei*z1 terminates storage time Fi, wherein z1 is that preset ratio coefficient is fixed
Value；
SS3: when terminating, storage time Fi is identical as system current date, and the compression that computing unit sends the focus is instructed to pressure
Contracting unit；Compression unit receives compression and instructs and carry out compression storage to the focus.
4. a kind of focus analysis system based on brain dateline band according to claim 1, which is characterized in that step 2 institute
The image and contrast images for the eyes viewing stated compare that detailed process is as follows:
A: the characteristic image set for setting reading is denoted as Hi, i=1 ... n；See that the characteristic image set of video is denoted as Si, i=
1……n；The characteristic image set for playing game is denoted as Ri, i=1 ... n；
B: the image that eyes are watched is matched with Hi, Si, Ri, and the images match for counting Hi, Si, Ri and eyes viewing is special
Levy the successful number of image；
C: the successful number of statistical match characteristic image respectively；Take the success of matching characteristic image the largest number of for current state；
It is reading characteristic image set when the success of matching characteristic image is the largest number of, then current state is reading state；Similarly, it can obtain
It sees video state and plays game state.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112545517A (en) * | 2020-12-10 | 2021-03-26 | 中国科学院深圳先进技术研究院 | Attention training method and terminal |
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