CN106237515A - Facial self adaptation stimulating system based on user behavior feedback and method - Google Patents
Facial self adaptation stimulating system based on user behavior feedback and method Download PDFInfo
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- CN106237515A CN106237515A CN201610786103.4A CN201610786103A CN106237515A CN 106237515 A CN106237515 A CN 106237515A CN 201610786103 A CN201610786103 A CN 201610786103A CN 106237515 A CN106237515 A CN 106237515A
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- user
- eyes
- user behavior
- stimulating
- self adaptation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/36014—External stimulators, e.g. with patch electrodes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0077—Devices for viewing the surface of the body, e.g. camera, magnifying lens
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1103—Detecting eye twinkling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
Abstract
The invention provides a kind of facial self adaptation stimulating system based on user behavior feedback and method, comprise the steps: when user uses for the first time, first start a start-up mode, this pattern can with obtain the processing result image of user behavior according to detection module, the suitable value of intensity adjustments to that will stimulate；The processing result image obtaining user behavior according to detection module draws intensity of illumination, selects to enter day mode or Night；While stimulating unlatching, also can open Pain management pattern, be possible to prevent the user when stimulating to produce pain；When the processing result image that detection module obtains user behavior detects that user is in sleep state, system can enter sleep pattern, and adjusts stimulus intensity to adapt to sleep.Native system make use of the processing result image of user behavior, obtains user behavior feedback and environmental factors, in order to regulate stimulus intensity, to adapt to the demand of different users, thus reaches optimum effect of stimulation.
Description
Technical field
The present invention relates to technical field of image processing, in particular it relates to a kind of face based on user behavior feedback is adaptive
Answer stimulating system and method.
Background technology
Transcutaneous electric nerve stimulation (Transcuataneous electrical nerve stimulation, TENS) refers to
In the case of not destroying skin of face, face nerve is imposed electricity irritation, be by defeated for specific low frequency pulse current by skin
Enter the human body electrotherapeutic method with treatment pain, and electricity irritation has proven to safe.
Current electrical stimulation waveforms mainly has: the bi-directional square wave that (1) is symmetrical；(2) in unidirectional square-wave frequency modulation or high-frequency electrical
Stream；(3) symmetrical bidirectional pulse；(4) unidirectional square wave；(5) asymmetric bidirectional pulse.The feature of electric stimulus wave is: frequency height,
Pulse width and intensity are suitable.
Clinicing aspect transcutaneous electric nerve stimulation technology can induce the specific facial muscle movements of facial paralysis patient, therefore passes through
Regulate its intensity and waveform, it is possible to recover the facial muscle movements of facial paralysis patient to a certain extent, and then reach facial paralysis patient
Rehabilitation.
Summary of the invention
For defect of the prior art, it is an object of the invention to provide a kind of face based on user behavior feedback adaptive
Answer stimulating system and method.
The facial self adaptation stimulating system based on user behavior feedback provided according to the present invention, including detection module, puts
Big module, grade control module and Fructus Rubi group, the pulse width modulated wave of Fructus Rubi group output is carried out voltage amplitude and puts by amplification module
After big, output is to stimulating electrode, by stimulating electrode electricity irritation face nerve；Fructus Rubi group is for obtaining the use that detection module obtains
The processing result image of family behavior is also converted into the control signal of grade control circuit；Described grade control circuit is sent according to Fructus Rubi
The control signal regulation amplification module of output exports the galvanism size of stimulating electrode.
Preferably, the preposition eye monitoring that the user behavior image acquisition device that described detection module is used is wearable is taken the photograph
As head.
Preferably, described amplification module is resistance, NPN type low-power transistor 9013, positive-negative-positive low-power transistor 8550
And the amplifying circuit that miniature transformer is formed.
Preferably, described grade control module is mainly made up of chip CD4066BE and user's control handle.
The facial self adaptation stimulating method based on user behavior feedback provided according to the present invention, comprises the steps:
Pre-stimulation step: when user uses first, obtains user's eye by detection module and produces the optimal of eye-closed reaction
Stimulus intensity, and preserve the value of this stimulus intensity；
Mode handoff procedures: reacted by monitoring of environmental brightness or user's eye, change different mode of operations, described
Mode of operation includes: day mode, night mode and sleep pattern；
Pain management step: whether monitoring user produces pain, is automatically adjusted stimulus intensity according to monitoring result.
Preferably, described pre-stimulation step includes: user uses facial self adaptation thorn based on user behavior feedback first
When swashing system, gather user's eyes image, according to volume by the wearable preposition eye monitoring camera in detection module
That amasss neural network algorithm analysis eyes opens closed state, if eye closing do not occur in patient's Ipsilateral face eyes after electricity irritation
Reaction, then will incrementally increase stimulus intensity, until stimulus intensity makes user eye-closed reaction occur, this stimulus intensity value is as most preferably
Stimulus intensity.
Preferably, when detecting that ambient brightness is greater than or equal to threshold value T1 set, then regard as daytime, switch to daytime
The eyes image of mode treatment user, obtains user's Ipsilateral according to the result of eyes image, healthy both sides, side eyes are opened and closed
The behavior feedback of eye state, regulates stimulus intensity so that user's Ipsilateral, healthy both sides, side eyes can be opened simultaneously be closed；
When detecting that ambient brightness is less than threshold value T1 of setting, then regard as night, switch to night mode, open infrared
Lamp, processes user's eyes image with night mode, obtains user's Ipsilateral, healthy side two branch hole according to the result of eyes image
Eyeball opens and closes eyes the behavior feedback of state, regulates stimulus intensity so that user's Ipsilateral, healthy both sides, side eyes can be opened simultaneously be closed；
When detecting that user health branch hole eyeball is in closure state, and the time of Guan Bi exceedes threshold value t of setting, then open
User's Ipsilateral eyes are stimulated by sleep pattern with the user's average stimulus frequency when non-sleep state.
Preferably, described Pain management step: judge whether user produces pain according to user's eyes image result,
When user produces pain, then reduce stimulus intensity.
Compared with prior art, the present invention has a following beneficial effect:
1, the stimulating system in the present invention can effectively amplify the signal of telecommunication that Fructus Rubi sends (card form computer) to export, and passes through
The size of control module regulation output voltage, provides the intensity of electric stimulus needed for different patient flexibly.
2, the stimulating method in the present invention can switch different mode of operations according to the change of surrounding, especially in thorn
When swashing user's eye, it is possible to adjust mode of operation according to the intensity of illumination of external environment, user is stimulated step by step, adjust also
The optimal stimulus intensity that record user uses, thus obtain good therapeutic effect.
Accompanying drawing explanation
By the detailed description non-limiting example made with reference to the following drawings of reading, the further feature of the present invention,
Purpose and advantage will become more apparent upon:
The circuit theory diagrams of the facial self adaptation stimulating system based on user behavior feedback that Fig. 1 provides for the present invention；
Fig. 2 is face nerve internal anatomy；
Fig. 3 is the variation diagram of stimulus intensity.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in the technology of this area
Personnel are further appreciated by the present invention, but limit the present invention the most in any form.It should be pointed out that, the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, it is also possible to make some changes and improvements.These broadly fall into the present invention
Protection domain.
The facial self adaptation stimulating system based on user behavior feedback that the present invention provides, by electricity irritation to facial paralysis patient
Effect and observation to facial paralysis patient, specifically, sent image procossing and the thorn of (card form computer) by Fructus Rubi in system
Swash algorithm and outside stimulus circuit realizes electricity irritation regular to patient so that they can symmetrical transport by facial muscle
Dynamic, and then avoid the various complications that facial paralysis brings.
Facial self adaptation stimulating system based on user behavior feedback, controls mould including detection module, amplification module, grade
Block and Fructus Rubi group, the pulse width modulated wave voltage amplitude amplification of Fructus Rubi group output is exported stimulating electrode by amplification module, in order to
Electricity irritation face nerve；The processing result image of the user behavior that detection module is then obtained by Fructus Rubi group, is converted into grade control
The control signal of circuit, and grade control circuit exports thorn according to the control signal of Fructus Rubi group output in order to regulate amplification module
Swash the big small intensity of galvanism of electrode.
Described based on user behavior feedback facial self adaptation stimulating system include: amplification module, grade control module with
And Fructus Rubi sends (card form computer, single-chip microcomputer etc.), the amplitude of the pulse width modulated wave of Fructus Rubi group output is amplified by amplification module；Grade
The output signal that control module is sent according to Fructus Rubi, utilizes chip CD4066BE to achieve the intensity etc. that 16 kinds of different outputs stimulate
The control of level, additionally includes user's knob, and described user's knob is used for finely tuning pulse strength.
The input input of amplification module is by the pulse width modulated wave that amplitude is 3.3V of Fructus Rubi group generation and from lithium electricity
The voltage of the 7.4 of pond, it will produce the pulse that voltage amplitude is 100～200V at stimulating electrode two ends.Grade control module connects
Controlled by the signal of universal input output (General Purpose Input Output, GPIO) and the input of user's knob
The electricity irritation grade of output.
Specifically, described amplification module contains three bipolar junction transistors (BJT), a transformator and several resistance
Amplifying the PWM ripple from the output of Fructus Rubi group, power supply is the lithium battery group of a 7.4V.The model of bipolar junction transistor is
9013NPN type, is a kind of NPN diode with low power consumption, is mainly used in audio frequency and amplifies and radio-frequency push-pull output.The class of PNP BJT
Type is 8550, it is characterized by small-signal, low pressure and high electric current, and is usually used in switch and radio frequency amplification.Transformator is by 3.3V
PWM ripple be amplified to about 200V.The material of stimulating electrode is conduction ointment, and it can adsorb on skin and have good leading
Electrically, electrode spacing elects 3.3cm as to ensure effective stimulation according to experimental result and clinical trial.Conduction ointment can be regular
Change to keep health and its electric conductivity.
Described grade control module is mainly made up of four bilateral analog switch chip CD4066BE and a slide rheostat.
Four bilateral analog switch chips export (General Purpose Input Output, GPIO) signal change according to universal input
Access the size of the resistance of circuit, and then change the electric pressure of output.In the present system, it is achieved that the stimulation etc. of 16 kinds of outputs
Level.Also using user's knob (slide rheostat) simultaneously and enable a patient to the most manual fine setting output voltage intensity.
Owing to there is unpredictable factor such as temperature, humidity and skin shape, the electric conductivity of skin in stimulating
Not only because of people, and according to specific time and site and different.It is impossible for accurately stimulus intensity being arranged to a fixed value, it is therefore desirable to
One adaptive algorithm can regulate suitable stimulus intensity for any user.
The self adaptation stimulating method processed based on eyes image provided according to the present invention, comprises the steps:
Step A: start-up mode, when user uses this facial self adaptation stimulating system based on user behavior feedback first,
Wearable preposition eye monitoring camera in detection module gathers user's eyes image, according to convolutional neural networks algorithm
That analyzes eyes opens closed state, if there is not the reaction closed one's eyes in patient's Ipsilateral face eyes after electricity irritation, then and will progressively
Increasing stimulus intensity, until stimulus intensity makes user eye-closed reaction occur, this stimulus intensity value will be as optimal stimulus intensity.
Step B: day mode, when detecting that intensity of illumination is good, this pattern will start.Place according to eyes image
The behavior feedback of state that reason result obtains user's Ipsilateral, healthy both sides, side eyes open and close eyes, regulates stimulus intensity so that user suffers from
Side, healthy both sides, side eyes can be opened simultaneously be closed；
Step C: night mode, when detecting that illumination is less than certain threshold value, this pattern will start, and open infrared lamp,
Image will process with the model at night.Result according to eyes image obtains user's Ipsilateral, healthy both sides, side eyes
The behavior feedback of the state that opens and closes eyes, regulates stimulus intensity so that user's Ipsilateral, healthy both sides, side eyes can be opened simultaneously be closed；
Step D: Pain management pattern, this pattern runs with daytime or night mode simultaneously, once processing result image
Display patient produces pain, it is possible to be automatically adjusted stimulus intensity to effectively but the relatively low value of intensity；
Step E: sleep pattern, when detecting that user health branch hole eyeball is in closure state, and the time of Guan Bi exceedes and sets
Fixed threshold value t, then open sleep pattern.With the average stimulus frequency of non-sleep pattern, Ipsilateral eye is stimulated, and have class
Safety measure like Pain management pattern.
Below in conjunction with specific embodiment, the present invention is done more detailed description.
Embodiment one:
Allow test object experience all of test sight, and record stimulation by measuring the output voltage of stimulating electrode
The change of grade, Fig. 3 is the stimulus intensity variation diagram of test object.
From 0 moment to 12 moment is startup stage, stimulation levels persistently rises according to the feedback of image procossing, when it reaches
Eyes closed can be made then to stop increasing stimulation levels, and voltage reaches stable.13 moment to 18 moment are first Pain management rank
Section (manually), at this moment patient feels mild pain, regulates stimulus intensity by vernier knob, but this regulation will not change thorn
Swash grade.50 moment started second Pain management stage, owing at this moment patients' feeling to stronger pain and shuts
Strong branch hole, so starts to reduce stimulation levels step by step, just can not make eyes closed until stimulating, at this moment can be again stimulation etc.
Level heightens one-level.After 100 moment, user enters sleep, and system detects that strong branch hole closes for a long time and opens sleep guarantor
Protecting, system can attempt declining stimulation levels in a certain time interval, if can not cause closing one's eyes, heightens a grade, this
During sample sleep, stimulation levels maintains a relatively low level always.
Embodiment two:
The lithium battery using 7.4V is powered to stimulation circuit, allows circuit run without interruption to weigh battery life, runtime
Between system work under different scenes, stimulate algorithm to reach energy-conservation by self adaptation.The lithium battery of 7.4V can supply after tested
Stimulation circuit normally works more than 48 hours, enough patient every days make power consumption.
One skilled in the art will appreciate that except realizing, in pure computer readable program code mode, the system that the present invention provides
And beyond each device, completely can by method step is carried out system that programming in logic makes the present invention provide and
Each device is with the form of gate, switch, special IC, programmable logic controller (PLC) and embedded microcontroller etc.
Realize identical function.So, system and every device thereof that the present invention provides are considered a kind of hardware component, and right
Include in it can also be considered as the structure in hardware component for the device realizing various function；Can also realize being used for respectively
The device of kind of function is considered as not only being the software module of implementation method but also can be the structure in hardware component.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make a variety of changes within the scope of the claims or revise, this not shadow
Ring the flesh and blood of the present invention.In the case of not conflicting, the feature in embodiments herein and embodiment can any phase
Combination mutually.
Claims (8)
1. a facial self adaptation stimulating system based on user behavior feedback, it is characterised in that include detection module, amplify mould
Block, grade control module and Fructus Rubi group, after the pulse width modulated wave of Fructus Rubi group output is carried out voltage amplitude amplification by amplification module
Output is to stimulating electrode, by stimulating electrode electricity irritation face nerve；Fructus Rubi group is for obtaining user's row that detection module obtains
For processing result image and be converted into the control signal of grade control circuit；Described grade control circuit is according to the output of Fructus Rubi group
Control signal regulation amplification module export the galvanism size of stimulating electrode.
Facial self adaptation stimulating system based on user behavior feedback the most according to claim 1, it is characterised in that described
The user behavior image acquisition device that detection module is used is wearable preposition eye monitoring camera.
Facial self adaptation stimulating system based on user behavior feedback the most according to claim 1, it is characterised in that described
Amplification module is resistance, NPN type low-power transistor 9013, positive-negative-positive low-power transistor 8550 and miniature transformer institute group
The amplifying circuit become.
Facial self adaptation stimulating system based on user behavior feedback the most according to claim 1, it is characterised in that described
Grade control module is mainly made up of chip CD4066BE and user's control handle.
5. a facial self adaptation stimulating method based on user behavior feedback, it is characterised in that comprise the steps:
Pre-stimulation step: when user uses first, obtains user's eye by detection module and produces the optimal stimulus of eye-closed reaction
Intensity, and preserve the value of this stimulus intensity；
Mode handoff procedures: reacted by monitoring of environmental brightness or user's eye, change different mode of operations, described work
Pattern includes: day mode, night mode and sleep pattern；
Pain management step: whether monitoring user produces pain, is automatically adjusted stimulus intensity according to monitoring result.
Facial self adaptation stimulating method based on user behavior feedback the most according to claim 5, it is characterised in that described
Pre-stimulation step includes: when user uses facial self adaptation stimulating system based on user behavior feedback first, by detection mould
Wearable preposition eye monitoring camera in block gathers user's eyes image, according to convolutional neural networks Algorithm Analysis eye
Eyeball open closed state, if patient's Ipsilateral face eyes after electricity irritation do not occur close one's eyes reaction, then will incrementally increase thorn
Swashing intensity, until stimulus intensity makes user eye-closed reaction occur, this stimulus intensity value is as optimal stimulus intensity.
Facial self adaptation stimulating method based on user behavior feedback the most according to claim 5, it is characterised in that work as inspection
Measure ambient brightness threshold value T1 greater than or equal to setting, then regard as daytime, switch to day mode and process the eye of user
Image, obtains user's Ipsilateral according to the result of eyes image, healthy both sides, side eyes open and close eyes the behavior feedback of state, adjusts
Joint stimulus intensity so that user's Ipsilateral, healthy both sides, side eyes can be opened simultaneously be closed；
When detecting that ambient brightness is less than threshold value T1 of setting, then regard as night, switch to night mode, open infrared lamp,
Process user's eyes image with night mode, obtain user's Ipsilateral, healthy both sides, side eyes according to the result of eyes image
The behavior feedback of the state that opens and closes eyes, regulates stimulus intensity so that user's Ipsilateral, healthy both sides, side eyes can be opened simultaneously be closed；
When detecting that user health branch hole eyeball is in closure state, and the time of Guan Bi exceedes threshold value t of setting, then open sleep
User's Ipsilateral eyes are stimulated by pattern with the user's average stimulus frequency when non-sleep state.
Facial self adaptation stimulating method based on user behavior feedback the most according to claim 5, it is characterised in that described
Pain management step: judge whether user produces pain according to user's eyes image result, when user produces pain, then
Reduce stimulus intensity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610786103.4A CN106237515A (en) | 2016-08-30 | 2016-08-30 | Facial self adaptation stimulating system based on user behavior feedback and method |
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| CN201610786103.4A CN106237515A (en) | 2016-08-30 | 2016-08-30 | Facial self adaptation stimulating system based on user behavior feedback and method |
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| CN201610786103.4A Pending CN106237515A (en) | 2016-08-30 | 2016-08-30 | Facial self adaptation stimulating system based on user behavior feedback and method |
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| CN108229376A (en) * | 2017-12-29 | 2018-06-29 | 百度在线网络技术（北京）有限公司 | For detecting the method and device of blink |
| CN110913947A (en) * | 2017-05-30 | 2020-03-24 | Gsk消费者健康有限公司 | Apparatus and method for automatically controlling transcutaneous electrical nerve stimulation based on current and forecasted weather conditions |
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| CN110913947A (en) * | 2017-05-30 | 2020-03-24 | Gsk消费者健康有限公司 | Apparatus and method for automatically controlling transcutaneous electrical nerve stimulation based on current and forecasted weather conditions |
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