CN109864750A - Based on the state of mind assessment and regulating system and its working method stimulated through cranium - Google Patents
Based on the state of mind assessment and regulating system and its working method stimulated through cranium Download PDFInfo
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Abstract
The present invention provides a kind of based on the state of mind stimulated through cranium assessment and regulating system, it is characterised in that: includes: the physiological signal collection module for acquiring subject's physiological signal；For physiological signal to be pre-processed, feature extraction and the state of mind analysis assessment obtain state of mind assessment result state of mind evaluation module；For judging state of mind assessment result and adjusting the control equipment of stimulation parameter according to state of mind assessment result；And for being carried out through cranium stimulation subject through cranium stimulation apparatus according to stimulation parameter.State of mind assessment can be adjusted the targeted state of mind of subject's progress personalization with regulating system, have good state of mind regulating effect, easy to use effective, with the advantages such as non-invasive, validity, safety, easy to operate.The present invention also provides the working methods of a kind of above-mentioned state of mind assessment and regulating system.
Description
Technical field
The present invention relates to state of mind assessments and regulation technology field, are based on stimulating through cranium more specifically to one kind
The state of mind assessment with regulating system and its working method.
Background technique
The method that the existing state of mind is adjusted is mostly self-control, for example listens the music releived to adjust the feelings of anxiety
Thread sees some videos made laughs to adjust dejected mood etc..But for the Asia with state of mind such as severe anxiety, depressions
For healthy population, self-control tends not to play the role of good, needs to adjust the state of mind by external force, for example do
Psychotherapy, drug alleviation etc..
Effectively to adjust the state of mind, also have at present using electrical stimulation method, including transcranial magnetic stimulation (TMS), through cranium electricity
(TES), TCD,transcranial Doppler stimulation (TUS) are stimulated, there is biological effect really, can be adjusted with reversible change nerve conductivity
Brains balance state and corticocerebral neuron activity, and nerve fiber is not caused to damage, that is, there is the nerve of safety to adjust
Energy saving power is suitable for affective disease and functional lesion, such as influences sleep, speech function, motor function and mood, has simultaneously
Effective, painless and noninvasive wound is easy to repeat and the clear advantages such as easy to operate.
But existing electronic stimulation or adjusting method are simple low-frequency electrical stimulation pulse, subject is in passive
Treatment or regulative mode, due to after there is no subject to receive electro photoluminescence detection feedback, cause therapeutic modality single, treated
Journey does not have data reference；And existing stimulating system is mostly that relevant stimulation parameter is selected according to the experience of professional, such as
Stimulus intensity, frequency of stimulation, stimulation time cannot carry out dynamic regulation to effect of stimulation quantification, and according to quantized result.By
Different to the tolerance stimulated through cranium in different people, tradition empirically manually selects stimulation parameter mode and is difficult to accurate judgement people
Body tolerance and adjust stimulation parameter.In conclusion empirical parameter setting and traditional stimulus modality are difficult to meet individual character
The Treatment need of change is easy to cause excessive stimulation or stimulation insufficient, cannot reach the effective or optimal state of mind and adjust
Effect.
Summary of the invention
To overcome shortcoming and deficiency of the prior art, it is based on stimulating through cranium it is an object of the present invention to provide one kind
The state of mind assessment and regulating system；State of mind assessment can carry out subject with regulating system personalized targeted
The state of mind adjust, have good state of mind regulating effect, it is easy to use effectively, have non-invasive, validity, safety
The advantages such as property, easy to operate.It is another object of the present invention to provide the works of a kind of above-mentioned state of mind assessment and regulating system
Make method；The working method adapts to demand of the different people to different tolerance power, can carry out to subject personalized targeted
The state of mind is adjusted, and has good state of mind regulating effect, easy to use effective.
In order to achieve the above object, the technical scheme is that: it is a kind of based on the essence stimulated through cranium
Refreshing status assessment and regulating system, it is characterised in that: include:
For acquiring the physiological signal collection module of subject's physiological signal；
For physiological signal to be pre-processed, feature extraction and the state of mind analysis assessment obtain the state of mind assessment knot
The state of mind evaluation module of fruit；
Control for judging state of mind assessment result and adjust stimulation parameter according to state of mind assessment result is set
It is standby；
And for being carried out through cranium stimulation subject through cranium stimulation apparatus according to stimulation parameter；
The physiological signal collection module, state of mind evaluation module, control equipment and through cranium stimulation apparatus successively signal
Connection.
The present invention adjusts the stimulation parameter of transcranial magnetic stimulation according to state of mind assessment result Intelligent Dynamic, big to subject
Brain stimulate through cranium, adjusts Cortical Neurons activity, to sway the emotion, adjusts the state of mind；It is easy to use effective,
Personalized, the targeted state of mind can be carried out to subject to adjust.The present invention is used through cranium stimulation mode, is realized to bad
The intervention and adjusting of the state of mind；It, can be with reversible change nerve with the advantages such as non-invasive, validity, safety, easy to operate
Conductivity, and nerve fiber is not caused to damage, that is, there is the nerve modulation ability of safety；It can pacify using through cranium stimulating technology
Entirely, the inferior health state of mind is effectively adjusted.
Preferably, it is wearable in intelligence to refer respectively to setting for the physiological signal collection module and state of mind evaluation module
Physiological signal collection module and state of mind evaluation module in equipment.
It preferably, further include cloud platform for storing and managing state of mind assessment result and physiological signal, cloud platform
It is connect with state of mind evaluation module signal.Cloud platform be mainly responsible for storing, handle and analyze collected physiological signal with
And state of mind assessment result, facilitate the data management and application in later period, state of mind assessment models can also be corrected.
The above-mentioned working method based on the state of mind stimulated through cranium assessment and regulating system, it is characterised in that: including such as
Lower step:
S1 step, before subject receives to stimulate through cranium, physiological signal collection module acquires the physiology letter before subject's stimulation
Number, and it is sent to control equipment；Set reference stimuli parameter；
S2 step carries out reference stimuli to subject according to reference stimuli parameter through cranium stimulation apparatus；Physiological signal collection mould
The post-stimulatory physiological signal of block acquisition subject is simultaneously sent to control equipment, the physiological signal and thorn before control equipment judgement stimulation
The amplitude of variation of physiological signal after swashing: if amplitude of variation is not up to setting range, reference stimuli parameter is adjusted, and hold again
Row S2 step；If amplitude of variation reaches setting range, the tolerance of reference stimuli matching subject this moment is determined, it will this moment
Reference stimuli parameter as initialization stimulation parameter；
S3 step, the physiological signal of physiological signal collection module acquisition subject are simultaneously sent to state of mind evaluation module；Essence
Refreshing state estimation module pre-processes physiological signal, the analysis assessment of feature extraction and the state of mind obtains state of mind assessment
As a result, state of mind assessment result includes type of emotion and intensity；
Physiological signal and state of mind assessment result are sent to control equipment by S4 step, state of mind evaluation module；Control
Equipment judges state of mind assessment result with the presence or absence of negative emotions: if type of emotion includes negative in state of mind assessment result
Face mood, then control equipment according to state of mind assessment result and initialization stimulation parameter generate control signal, and be sent to through
Cranium stimulation apparatus, and skip to S5 step；Otherwise S3 step is jumped directly to；
S5 step receives control signal through cranium stimulation apparatus, and adjusts stimulation parameter according to control signal, through cranium stimulation apparatus
Subject stimulate through cranium according to stimulation parameter, to adjust through cranium stimulation apparatus to the thorn of subject's Cortical Neurons
Swash, to adjust the state of mind of subject；After stimulating through cranium, S3 step is skipped to.
The present invention carries out stimulation parameter personalization initialization using reference stimuli, to adapt to different people to different tolerance power
Demand, and according to state of mind assessment result Intelligent Dynamic adjust transcranial magnetic stimulation stimulation parameter, to subject's brain
Stimulated through cranium, adjust Cortical Neurons activity, to sway the emotion, adjusts the state of mind；It is easy to use effective, energy
Personalized, the targeted state of mind is carried out to subject to adjust.The present invention is used through cranium stimulation mode, is realized to bad essence
The intervention and adjusting of refreshing state；It, can be with reversible change neuroelectricity with the advantages such as non-invasive, validity, safety, easy to operate
Conductance, and nerve fiber is not caused to damage, that is, there is the nerve modulation ability of safety；It can pacify using through cranium stimulating technology
Entirely, the inferior health state of mind is effectively adjusted.
Preferably, described to include any one of transcranial magnetic stimulation, electrical transcranial stimulation and TCD,transcranial Doppler stimulation through cranium stimulation
Or it is two or more；
When including transcranial magnetic stimulation through cranium stimulation, when initialization stimulation parameter includes stimulus intensity, frequency of stimulation, stimulation
Between and stimulation location；When including electrical transcranial stimulation through cranium stimulation, initialization stimulation parameter includes stimulated current size, electrode choosing
It selects and stimulation time；When including TCD,transcranial Doppler stimulation through cranium stimulation, initialization stimulation parameter includes the stimulation power of ultrasonic wave
Size, frequency of stimulation and stimulation time.
Trans-skull magnetic stimulating device is discharged by capacitor to coil, and coil generates high-intensity magnetic field, to generate induced electricity in cortex
Stream, further causes the changes of function of neuron electro physiology by induced current.Electrical transcranial stimulation is by AC power supply or directly
It connects and is powered using battery, positive and negative anodes are accessed into head both ends, electric current flows to cathode by anode, and influences cranial nerve in the process
The discharge scenario of member.The stimulation mode of electrical transcranial stimulation includes three kinds, i.e. anode excitation, cathode stimulation and pseudo- stimulation.It is general and
Speech, anode excitation can enhance the excitability of stimulation location neuron, and cathode stimulates the excitability for then reducing stimulation location neuron,
Puppet stimulation is used as a kind of control stimulation.TCD,transcranial Doppler stimulation is the high-penetration using low-frequency ultrasonic waves, in brain specific region
Stimulation inhibits nervous activity.Its mechanism of action is to adjust nervous activity by the mechanism of ultrasound.
Preferably, the physiological signal refers to one of the following two kinds mode:
One, physiological signal refers to EEG signals；
Two, physiological signal includes EEG signals, further include electromyography signal, electro-ocular signal, skin electrical signal, electrocardiosignal,
Any one of heart rate signal and broadcasting and TV pulse signal are two or more.
Preferably, in the second way, the S3 step, state of mind evaluation module locates physiological signal in advance
Reason, feature extraction and state of mind analysis assessment obtain state of mind assessment result, and refer to: state of mind evaluation module is right respectively
Various physiological signals carry out pretreatment and feature extraction, and all obtained features of extracting are carried out multi-modal Fusion Features later,
And the Emotion identification of multi-modal Fusion Features data is carried out using deep learning and width learning system, thus to the state of mind into
Row analysis assessment obtains state of mind assessment result.
Due to containing a large amount of physiologic information in EEG signals, so the existing commonly mood based on physiological signal is known
Other method is mostly to carry out Emotion identification using EEG signals.But the generation of any mood all can be along with the certain of body
Variation, such as the amplification of muscular tone, pupil, EEG signals only are used only may lost part emotion information.The present invention uses
Multi-modal data, these data can complement each other emotion information, carry out feature extraction and Fusion Features using multi-modal data,
Realize Emotion identification and state of mind assessment, accuracy rate is higher.
The present invention realizes mood classification using deep learning+width study algorithm to multi-modal Fusion Features data.It is right
It is that feature is extracted using statistical nature or frequency-domain transform mostly, such method is difficult to mention in the feature extraction of EEG signals
Abstract high-level feature is got, part emotion information can be also lost.The present invention is in addition to extracting traditional statistical nature, frequency domain change
It changes except feature, also using deep learning+width study algorithm, makes full use of deep learning that can extract abstract high-level spy
The advantages of sign and width study rapidly and efficiently, the high advantage of accuracy rate, the realization Emotion identification and the state of mind of efficiently and accurately
Assessment.
Preferably, the mood for carrying out multi-modal Fusion Features data using deep learning and width learning system is known
Not, refer to: one-dimensional multi-modal Fusion Features data being mapped as 2-D data, using the network of deep learning to 2-D data
It is handled, extracts the high-level abstract characteristics of 2-D data, mood classification is carried out using width learning system later.
Preferably, physiological signal and state of mind assessment result are also carried out realtime curve by the control equipment.
Compared with prior art, the invention has the advantages that with the utility model has the advantages that
1, spirit of that invention status assessment and regulating system are adjusted according to state of mind assessment result Intelligent Dynamic through cranium magnetic
The stimulation parameter of stimulation can carry out personalized, the targeted state of mind to subject and adjust, easy to use effective.This hair
Bright intervention and adjusting using through the realization of cranium stimulation mode to the bad state of mind；With non-invasive, validity, safety, easily
The advantages such as operation；
2, working method of the present invention carries out stimulation parameter personalization initialization using reference stimuli, to adapt to different people pair
The demand of different tolerance power；The stimulation parameter of transcranial magnetic stimulation, user are adjusted according to state of mind assessment result Intelligent Dynamic
Just effectively, personalized, the targeted state of mind can be carried out to subject to adjust；The present invention is used and is realized through cranium stimulation mode
Intervention and adjusting to the bad state of mind have the advantages such as non-invasive, validity, safety, easy to operate；
3, working method of the present invention use multi-modal data, can complement each other emotion information, using multi-modal data into
Row feature extraction and Fusion Features, realize Emotion identification and state of mind assessment, and accuracy rate is higher；
4, working method of the present invention also uses depth other than extracting traditional statistical nature, frequency-domain transform feature
The algorithm of habit+width study, the advantages of making full use of deep learning that can extract abstract high-level feature and width study are fast
Fast advantage efficient, accuracy rate is high, realization Emotion identification and the state of mind assessment of efficiently and accurately.
Detailed description of the invention
Fig. 1 is the system block diagram of spirit of that invention status assessment and regulating system；
Fig. 2 is the working principle diagram of physiological signal collection module in spirit of that invention status assessment and regulating system；
Fig. 3 is the working principle diagram of state of mind evaluation module in spirit of that invention status assessment and regulating system；
Fig. 4 is the working principle diagram that equipment is controlled in spirit of that invention status assessment and regulating system.
Specific embodiment
The present invention is described in further detail with specific embodiment with reference to the accompanying drawing.
Embodiment
As shown in Figure 1, the present embodiment is a kind of based on the state of mind stimulated through cranium assessment and regulating system, comprising:
For acquiring the physiological signal collection module of subject's physiological signal；
For physiological signal to be pre-processed, feature extraction and the state of mind analysis assessment obtain the state of mind assessment knot
The state of mind evaluation module of fruit；
Control for judging state of mind assessment result and adjust stimulation parameter according to state of mind assessment result is set
It is standby；
And for being carried out through cranium stimulation subject through cranium stimulation apparatus according to stimulation parameter；
The physiological signal collection module, state of mind evaluation module, control equipment and through cranium stimulation apparatus successively signal
Connection.
The present invention adjusts the stimulation parameter of transcranial magnetic stimulation according to state of mind assessment result Intelligent Dynamic, big to subject
Brain stimulate through cranium, adjusts Cortical Neurons activity, to sway the emotion, adjusts the state of mind；It is easy to use effective,
Personalized, the targeted state of mind can be carried out to subject to adjust.The present invention is used through cranium stimulation mode, is realized to bad
The intervention and adjusting of the state of mind；It, can be with reversible change nerve with the advantages such as non-invasive, validity, safety, easy to operate
Conductivity, and nerve fiber is not caused to damage, that is, there is the nerve modulation ability of safety；It can pacify using through cranium stimulating technology
Entirely, the inferior health state of mind is effectively adjusted.
Physiological signal collection module and state of mind evaluation module are preferably arranged in intelligent wearable device.
Modules are specifically described below:
Physiological signal collection module: as shown in Fig. 2, physiological signal collection module can be used STM32 chip carry out control and
Processing, is worn over subject head for intelligent wearable device first, makes electrode that forehead skin and scalp be steadily contacted, then carries out
Conduction choice acquires lead EEG signals, electromyography signal and the electro-ocular signal of subject, before collected physiological signal is carried out
It puts greatly, to obtain carrying out postposition amplification and filtering operation later than stronger signal, finally exporting physiological signal.
State of mind evaluation module: as shown in figure 3, state of mind evaluation module believes collected EEG signals, myoelectricity
Number and three kinds of physiological signals of electro-ocular signal be removed artefact etc. pretreatment, and respectively extract three kinds of physiological signals feature, such as
Statistical nature, differential entropy feature, power spectral density, Fourier transformation, wavelet transformation etc., then by the feature of three kinds of physiological signals
Multi-modal Fusion Features are carried out, are then known using the mood that deep learning and width learning system carry out multi-modal physiological data
Not, to assess the state of mind, such as it is normal, tired, dejected, depression and anxiety, happy, and it is several that intensity, which is arranged,
Grade, obtained state of mind assessment result includes type of emotion and intensity.
Control equipment: as shown in figure 4, control equipment includes mobile terminal APP, computer end application etc., intelligent wearable device
By physiological signal and state of mind assessment result by Bluetooth transmission to control equipment, control equipment is to physiological signal and spiritual shape
State assessment result carries out visualization display；Transcranial magnetic stimulation mode is manually selected by user in control equipment；Stimulation mode can
To select one or both of transcranial magnetic stimulation, electrical transcranial stimulation, TCD,transcranial Doppler stimulation or three kinds；Equipment is controlled according to spirit
Condition evaluation results come adjust through cranium stimulate stimulation parameter；For transcranial magnetic stimulation, stimulation parameter include stimulus intensity,
Frequency of stimulation, stimulation location, stimulation time；For electrical transcranial stimulation, stimulation parameter include electrode selection, size of current,
Stimulation time；For the stimulation of TCD,transcranial Doppler wave, when stimulation parameter includes the watt level of ultrasonic wave, frequency size, stimulation
Between.Control equipment selects stimulation parameter setting and mode to generate control signal, by Bluetooth transmission to through cranium stimulation apparatus.
Through cranium stimulation apparatus: including that transcranial magnetic stimulation, electrical transcranial stimulation and TCD,transcranial Doppler stimulate through cranium stimulation apparatus.Through cranium
Magnetic stimulating device is discharged by capacitor to coil, and coil generates high-intensity magnetic field, to generate induced current in cortex, is further passed through
Induced current causes the changes of function of neuron electro physiology.Electrical transcranial stimulation is supplied by AC power supply or directly using battery
Positive and negative anodes are accessed head both ends by electricity, and electric current flows to cathode by anode, and influences the electric discharge feelings of brain neuron in the process
Condition.The stimulation mode of electrical transcranial stimulation includes three kinds, i.e. anode excitation, cathode stimulation and pseudo- stimulation.In general, anode excitation
The excitability of stimulation location neuron can be enhanced, cathode stimulates the excitability for then reducing stimulation location neuron, puppet stimulation conduct
A kind of control stimulation.TCD,transcranial Doppler stimulation is the high-penetration using low-frequency ultrasonic waves, stimulates or presses down in brain specific region
Nervous activity processed.Its mechanism of action is to adjust nervous activity by the mechanism of ultrasound.
Control module through cranium stimulation apparatus receives the control signal transmitted from control equipment, according to control signal
Information, to select to be arranged through cranium stimulation mode through cranium stimulation parameter, then generating to subject head is stimulated through cranium, adjusts quilt
The cerebral cortex activity of examination person adjusts the state of mind to alleviate negative feeling.
State of mind assessment and regulating system further include for storing and managing state of mind assessment result and physiological signal
Cloud platform, cloud platform connect with state of mind evaluation module signal.Cloud platform is mainly responsible for storage, processing and analysis acquisition
The physiological signal and state of mind assessment result arrived, facilitates the data management and application in later period, can also comment the state of mind
Estimate model to be corrected.
In the present embodiment, physiological signal collection module acquires EEG signals, electromyography signal and electro-ocular signal；Practical application
In, physiological signal collection module can be acquisition EEG signals except, also acquisition electromyography signal, electro-ocular signal, skin electrical signal,
Any one of electrocardiosignal, heart rate signal and broadcasting and TV pulse signal are two or more.
Present system is suitable for the adjusting that sub-health population carries out unhealthy emotion (tired, depressed, dejected, anxiety etc.),
Be also applied for normal person carry out mood loosen and stress reduction.
The working method of the above-mentioned state of mind assessment and regulating system, includes the following steps:
S1 step, before subject receives to stimulate through cranium, physiological signal collection module acquires the physiology letter before subject's stimulation
Number, and it is sent to control equipment；Set reference stimuli parameter；
S2 step carries out reference stimuli to subject according to reference stimuli parameter through cranium stimulation apparatus；Physiological signal collection mould
The post-stimulatory physiological signal of block acquisition subject is simultaneously sent to control equipment, the physiological signal and thorn before control equipment judgement stimulation
The amplitude of variation of physiological signal after swashing: if amplitude of variation is not up to setting range, reference stimuli parameter is adjusted, and hold again
Row S2 step；If amplitude of variation reaches setting range, the tolerance of reference stimuli matching subject this moment is determined, it will this moment
Reference stimuli parameter as initialization stimulation parameter；
In S1 step, before subject receives to stimulate through cranium, physiological signal collection module acquires the physiology before subject's stimulation
Signal extracts neuron activity intensity data.In S2 step, physiological signal collection module acquires the post-stimulatory physiology letter of subject
Number, to obtain neuron activity intensity.Neuron activity intensity and post-stimulatory neuron before controlling equipment judgement stimulation is living
The amplitude of variation of fatigue resistance adjusts reference stimuli parameter.
S3 step, the physiological signal of physiological signal collection module acquisition subject are simultaneously sent to state of mind evaluation module；Essence
Refreshing state estimation module pre-processes physiological signal, the analysis assessment of feature extraction and the state of mind obtains state of mind assessment
As a result, state of mind assessment result includes type of emotion and intensity；
Physiological signal and state of mind assessment result are sent to control equipment by S4 step, state of mind evaluation module；Control
Equipment judges state of mind assessment result with the presence or absence of negative emotions: if type of emotion includes negative in state of mind assessment result
Face mood, then control equipment according to state of mind assessment result and initialization stimulation parameter generate control signal, and be sent to through
Cranium stimulation apparatus, and skip to S5 step；Otherwise S3 step is jumped directly to；Negative emotions include tired, depressed, dejected, anxiety；
S5 step receives control signal through cranium stimulation apparatus, and adjusts stimulation parameter according to control signal, through cranium stimulation apparatus
Subject stimulate through cranium according to stimulation parameter, to adjust through cranium stimulation apparatus to the thorn of subject's Cortical Neurons
Swash, to adjust the state of mind of subject；After stimulating through cranium, S3 step is skipped to.
The present invention carries out stimulation parameter personalization initialization using reference stimuli, to adapt to different people to different tolerance power
Demand, and according to state of mind assessment result Intelligent Dynamic adjust transcranial magnetic stimulation stimulation parameter, be easy to use
Effectively, personalized, the targeted state of mind can be carried out to subject to adjust.The present invention is used through cranium stimulation mode, is realized
Intervention and adjusting to the bad state of mind；With the advantages such as non-invasive, validity, safety, easy to operate, can be changed with invertibity
Become neural conductivity, and nerve fiber is not caused to damage, that is, there is the nerve modulation ability of safety；Using through cranium stimulating technology
It can the safe and effective adjusting inferior health state of mind.
It is described through cranium stimulation include transcranial magnetic stimulation, electrical transcranial stimulation and TCD,transcranial Doppler stimulation any one of or two kinds with
On；When through cranium stimulation include transcranial magnetic stimulation when, initialization stimulation parameter include stimulus intensity, frequency of stimulation, stimulation time and
Stimulation location；When through cranium stimulation include electrical transcranial stimulation when, initialization stimulation parameter include stimulated current size, electrode selection and
Stimulation time；When through cranium stimulation include TCD,transcranial Doppler stimulation when, initialization stimulation parameter include ultrasonic wave stimulation power size,
Frequency of stimulation and stimulation time.
The physiological signal refers to one of the following two kinds mode:
One, physiological signal refers to EEG signals；
Two, physiological signal includes EEG signals, further include electromyography signal, electro-ocular signal, skin electrical signal, electrocardiosignal,
Any one of heart rate signal and broadcasting and TV pulse signal are two or more.
In the second way, the S3 step, state of mind evaluation module pre-processes physiological signal, feature mentions
It takes and analyzes assessment acquisition state of mind assessment result with the state of mind, refer to: state of mind evaluation module is respectively to various physiology
Signal carries out pretreatment and feature extraction, all obtained features of extracting is carried out multi-modal Fusion Features later, and using deep
Degree study and width learning system carry out the Emotion identification of multi-modal Fusion Features data, comment to carry out analysis to the state of mind
Estimate and obtains state of mind assessment result.
Due to containing a large amount of physiologic information in EEG signals, so the existing commonly mood based on physiological signal is known
Other method is mostly to carry out Emotion identification using EEG signals.But the generation of any mood all can be along with the certain of body
Variation, such as the amplification of muscular tone, pupil, EEG signals only are used only may lost part emotion information.The present invention uses
Multi-modal data, these data can complement each other emotion information, carry out feature extraction and Fusion Features using multi-modal data,
Realize Emotion identification and state of mind assessment, accuracy rate is higher.
Illustrate multi-modal Fusion Features by taking three kinds of EEG signals, electromyography signal and electro-ocular signal features as an example.
Fusion Features are carried out using Multilayer networks method.
If the feature of EEG signals is A=[a1, a2, a3, a4.....an], the feature of electromyography signal be B=[b1, b2,
B3, b4....bm], the feature of electro-ocular signal is C=[c1, c2, c3, c4.....cp]；
For A feature, n classifier of training is denoted as f1, f2....fn, then carries out following operation:
Xi=fi (ai), i=1.2.3....n；
For B feature, m classifier of training is denoted as g1.g2....gn, then carries out following operation:
Yj=gj (bj), j=1.2.3....m；
For C feature, p classifier of training is denoted as h1.h2....hp, then carries out following operation:
Zk=hk (ck), k=1.2.3....p；
Three classifiers g, f, h are selected as identical model, such as are all Bayes or are all svm, and not point
The output of class device is set as classification, and is the probability of a certain classification.It is as follows as united feature that probability density is obtained in this way:
D=[x1, x2, x3.....xn, y1, y2, y3......ym, z1, z2, z3......zp]；
The present invention realizes mood classification using deep learning+width study algorithm to multi-modal Fusion Features data.It is right
It is that feature is extracted using statistical nature or frequency-domain transform mostly, such method is difficult to mention in the feature extraction of EEG signals
Abstract high-level feature is got, part emotion information can be also lost.The present invention is in addition to extracting traditional statistical nature, frequency domain change
It changes except feature, also using deep learning+width study algorithm, makes full use of deep learning that can extract abstract high-level spy
The advantages of sign and width study rapidly and efficiently, the high advantage of accuracy rate, the realization Emotion identification and the state of mind of efficiently and accurately
Assessment.
Deep learning algorithm, including CNN, RNN, DBN, LSTM, GCNN even depth learning algorithm；Width learning algorithm includes
Width learning system (BLS).
The Emotion identification that multi-modal Fusion Features data are carried out using deep learning and width learning system, is referred to: by one
The multi-modal Fusion Features data of dimension are mapped as 2-D data, are handled using the network of deep learning 2-D data, are mentioned
The high-level abstract characteristics of 2-D data are taken, mood classification is carried out using width learning system later.
It controls equipment and physiological signal and state of mind assessment result is also subjected to realtime curve.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (9)
1. a kind of based on the state of mind stimulated through cranium assessment and regulating system, it is characterised in that: include:
For acquiring the physiological signal collection module of subject's physiological signal；
For physiological signal to be pre-processed, the analysis assessment of feature extraction and the state of mind obtain state of mind assessment result
State of mind evaluation module；
For judging state of mind assessment result and adjusting the control equipment of stimulation parameter according to state of mind assessment result；
And for being carried out through cranium stimulation subject through cranium stimulation apparatus according to stimulation parameter；
The physiological signal collection module, state of mind evaluation module, control equipment and successively signal connects through cranium stimulation apparatus.
2. according to claim 1 based on the state of mind stimulated through cranium assessment and regulating system, it is characterised in that: described
The physiological signal that physiological signal collection module and state of mind evaluation module refer respectively to be arranged in intelligent wearable device is adopted
Collect module and state of mind evaluation module.
3. according to claim 1 based on the state of mind stimulated through cranium assessment and regulating system, it is characterised in that: also wrap
The cloud platform for storing and managing state of mind assessment result and physiological signal is included, cloud platform and state of mind evaluation module are believed
Number connection.
4. a kind of according to any one of claim 1 to 3 based on the state of mind stimulated through cranium assessment and regulating system
Working method, characterized by the following steps:
S1 step, before subject receives to stimulate through cranium, physiological signal collection module acquires the physiological signal before subject's stimulation, and
It is sent to control equipment；Set reference stimuli parameter；
S2 step carries out reference stimuli to subject according to reference stimuli parameter through cranium stimulation apparatus；Physiological signal collection module is adopted
The post-stimulatory physiological signal of collection subject is simultaneously sent to control equipment, after the physiological signal and stimulation before control equipment judgement stimulation
Physiological signal amplitude of variation: if amplitude of variation is not up to setting range, adjust reference stimuli parameter, and re-execute S2
Step；If amplitude of variation reaches setting range, the tolerance of reference stimuli matching subject this moment is determined, by base this moment
Quasi- stimulation parameter is as initialization stimulation parameter；
S3 step, the physiological signal of physiological signal collection module acquisition subject are simultaneously sent to state of mind evaluation module；Spiritual shape
State evaluation module pre-processes physiological signal, the analysis assessment of feature extraction and the state of mind obtains state of mind assessment knot
Fruit, state of mind assessment result include type of emotion and intensity；
Physiological signal and state of mind assessment result are sent to control equipment by S4 step, state of mind evaluation module；Control equipment
Judge state of mind assessment result with the presence or absence of negative emotions: if type of emotion includes negative feelings in state of mind assessment result
Thread then controls equipment according to state of mind assessment result and initialization stimulation parameter and generates control signal, and is sent to and pierces through cranium
Swash equipment, and skips to S5 step；Otherwise S3 step is jumped directly to；
S5 step, through cranium stimulation apparatus receive control signal, and according to control signal adjust stimulation parameter, through cranium stimulation apparatus according to
Stimulation parameter stimulate through cranium to subject, to adjust the stimulation through cranium stimulation apparatus to subject's Cortical Neurons,
To adjust the state of mind of subject；After stimulating through cranium, S3 step is skipped to.
5. working method according to claim 4, it is characterised in that: described stimulate through cranium includes transcranial magnetic stimulation, through cranium
Any one of electro photoluminescence and TCD,transcranial Doppler stimulation are two or more；
When through cranium stimulation include transcranial magnetic stimulation when, initialization stimulation parameter include stimulus intensity, frequency of stimulation, stimulation time and
Stimulation location；When through cranium stimulation include electrical transcranial stimulation when, initialization stimulation parameter include stimulated current size, electrode selection and
Stimulation time；When through cranium stimulation include TCD,transcranial Doppler stimulation when, initialization stimulation parameter include ultrasonic wave stimulation power size,
Frequency of stimulation and stimulation time.
6. working method according to claim 4, it is characterised in that: the physiological signal refer to the following two kinds mode it
One:
One, physiological signal refers to EEG signals；
Two, physiological signal includes EEG signals, further includes electromyography signal, electro-ocular signal, skin electrical signal, electrocardiosignal, heart rate
Any one of signal and broadcasting and TV pulse signal are two or more.
7. working method according to claim 6, it is characterised in that: in the second way, the S3 step, spiritual shape
State evaluation module pre-processes physiological signal, the analysis assessment of feature extraction and the state of mind obtains state of mind assessment knot
Fruit refers to: state of mind evaluation module carries out pretreatment and feature extraction to various physiological signals respectively, later by all extractions
Obtained feature carries out multi-modal Fusion Features, and carries out multi-modal Fusion Features number using deep learning and width learning system
According to Emotion identification, thus to the state of mind carry out analysis assessment obtain state of mind assessment result.
8. working method according to claim 7, it is characterised in that: it is described using deep learning and width learning system into
The Emotion identification of the multi-modal Fusion Features data of row, refers to: one-dimensional multi-modal Fusion Features data is mapped as 2-D data,
2-D data is handled using the network of deep learning, extracts the high-level abstract characteristics of 2-D data, later using width
It spends learning system and carries out mood classification.
9. working method according to claim 4, it is characterised in that: the control equipment is also by physiological signal and spiritual shape
State assessment result carries out realtime curve.
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