CN102426481A - Method, device and system for remote control based on brain waves - Google Patents

Method, device and system for remote control based on brain waves Download PDF

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CN102426481A
CN102426481A CN2011103435603A CN201110343560A CN102426481A CN 102426481 A CN102426481 A CN 102426481A CN 2011103435603 A CN2011103435603 A CN 2011103435603A CN 201110343560 A CN201110343560 A CN 201110343560A CN 102426481 A CN102426481 A CN 102426481A
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brain wave
wave signal
signal
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CN102426481B (en
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方华
程志超
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Shenzhen TCL New Technology Co Ltd
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Priority to PCT/CN2012/081529 priority patent/WO2013063986A1/en
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    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/015—Input arrangements based on nervous system activity detection, e.g. brain waves [EEG] detection, electromyograms [EMG] detection, electrodermal response detection

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Abstract

The invention discloses a method, a device and a system for remote control based on brain waves. The method comprises the following steps of: receiving a brain wave signal sent by a brain wave detection device; matching the brain wave signal with a stored brain wave standard signal; and if matching is successful, producing a control signal for controlling the peripheral equipment according to the matched brain wave standard signal. In the method, the brain wave signal of the user in various states is acquired via the brain wave detection device, and the brain wave signal is matched with the brain wave standard signal so as to produce the control signal for controlling the peripheral equipment, so that remote control on the peripheral equipment is realized based on brain waves, and a realizable operating method for use of users and production of future brain wave products is provided.

Description

Carry out method, the Apparatus and system of remote control based on E.E.G
Technical field
The present invention relates to communication field, relate in particular to a kind of method, Apparatus and system that carries out remote control based on E.E.G.
Background technology
Bio-electric phenomenon is one of essential characteristic of vital movement.The human bioelectrical signals that when carrying out thinking activities, produces at brain is exactly that (electroencephalogram EEG), mainly is formed by a large amount of synchronous summations of synapse afterpotential in the cortex to E.E.G, is the result of many neuron joint activities.
Our brain is not producing E.E.G all the time.The frequency variation scope of the bioelectrical signals that these are spontaneous is usually between 0.1Hz-30Hz, and is as shown in table 1.
Table 1
Figure BDA0000105265010000011
The plasticity of brain is exactly can produce new connection between the nerve, loses old connection.Simply, why people can connect things, are that vice versa because when the neural while was movable, they will link together.When the people produces specific E.E.G according to equipment requirements, the contact between the relevant neural crowd of will automatic reinforcement useful brain state.
Therefore, measure brain wave signal, and carry out brain-machine interaction according to brain wave signal external unit is controlled through the sensor that is placed on head.(Brain Computer Interface BCI) is meant and between brain and external unit, sets up a kind of direct interchange and control channel brain-machine interaction.
The telechiric device that the control of equipment at present still is in through button carries out, and come opertaing device through brain wave signal is the target that people pursue always.
Summary of the invention
Fundamental purpose of the present invention provides a kind of method of carrying out remote control based on E.E.G, is intended to realize through brain wave signal external unit being carried out remote control.
The invention provides a kind of method of carrying out remote control, may further comprise the steps based on E.E.G:
Receive the brain wave signal that the E.E.G pick-up unit sends;
The E.E.G standard signal of said brain wave signal and storage is mated;
If mate successfully,, produce the control signal of control external unit then according to the E.E.G standard signal of coupling.
Preferably, the E.E.G standard signal of said storage is under the user the is in a certain state of a control, form the brain wave signal of corresponding relation with remote controller control function.
Preferably, the brain wave signal that is under the various states of said user obtains through following method:
The brain wave signal times of collection is set;
Brain wave signal to the user is under a certain state of a control is gathered, and obtains one group of data, repeats to gather action, up to reaching times of collection;
All image data are calculated acquisition mean value and error amount;
It is that center, error amount are the value range of positive negative difference that the E.E.G standard signal is set to mean value.
Preferably, also comprise before the step of the brain wave signal of said reception E.E.G pick-up unit transmission:
According to acquisition instructions, user's brain wave signal is gathered twice at least;
Judge that the brain wave signal gathered is whether in the error range that presets;
If then send brain wave signal;
If not, then return failure information, again user's brain wave signal is gathered.
The present invention also provides a kind of device that carries out remote control based on E.E.G, comprising:
The brain wave signal receiver module is used to receive the brain wave signal that the E.E.G pick-up unit sends;
The brain wave signal matching module is used for the E.E.G standard signal of said brain wave signal and storage is mated;
Control signal generating module is used for when the E.E.G standard signal of said brain wave signal and storage matees successfully, according to the E.E.G standard signal of coupling, produces the control signal of control external unit.
Preferably; The above-mentioned device that carries out remote control based on E.E.G also comprises the brain wave signal acquisition module; Be used for being under a certain state of a control, forming the brain wave signal of corresponding relation with remote controller control function through said E.E.G pick-up unit user; And it is handled, it is stored as said E.E.G standard signal.
Preferably, said brain wave signal acquisition module specifically comprises:
The image data acquiring unit is used to be provided with the brain wave signal times of collection; Through said E.E.G pick-up unit the brain wave signal that the user is under a certain state of a control is gathered, obtained one group of data, repeat and gather action, up to reaching times of collection;
The image data processing unit is used for all image data are calculated and obtains mean value and error amount, and it is that center, error amount are the value range of positive negative difference that the user is in that brain wave signal under this state is set to mean value.
The present invention also provides a kind of system that carries out remote control based on E.E.G, comprises being used to detect brain wave signal and with the E.E.G pick-up unit and the remote control treating apparatus of its output, wherein, the remote control treating apparatus comprises:
The brain wave signal receiver module is used to receive the brain wave signal that the E.E.G pick-up unit sends;
The brain wave signal matching module is used for the E.E.G standard signal of said brain wave signal and storage is mated;
Control signal generating module is used for when the E.E.G standard signal of said brain wave signal and storage matees successfully, according to the E.E.G standard signal of coupling, produces the control signal of control external unit.
Preferably, said E.E.G pick-up unit specifically is used for:
According to acquisition instructions, user's brain wave signal is carried out at least twice collection; Judge that the brain wave signal gathered is whether in the error range that presets; If then send brain wave signal to said remote control treating apparatus; If not, then return failure information, again user's brain wave signal is gathered.
The present invention gathers the user through the E.E.G pick-up unit and is in the brain wave signal under the various states; And itself and E.E.G standard signal mated; To produce the control signal of control external unit; Make and realize remote peripheral equipment, proposed a kind of method of operating that can realize in user's use and the commercialization of E.E.G product in the future through E.E.G.
Description of drawings
Fig. 1 the present invention is based on the schematic flow sheet that E.E.G carries out method one embodiment of remote control;
Fig. 2 the present invention is based on E.E.G to carry out obtaining the schematic flow sheet that the user is in the brain wave signal under the various states among method one embodiment of remote control;
Fig. 3 the present invention is based on the schematic flow sheet that E.E.G carries out another embodiment of method of remote control;
Fig. 4 is a kind of structural representation that carries out device one embodiment of remote control based on E.E.G of the present invention;
Fig. 5 the present invention is based on the structural representation that E.E.G carries out another embodiment of device of remote control;
Fig. 6 the present invention is based on the structural representation that E.E.G carries out one embodiment of system of remote control.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Further specify technical scheme of the present invention below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 1 is a kind of schematic flow sheet that carries out method one embodiment of remote control based on E.E.G of the present invention.
With reference to Fig. 1, this method may further comprise the steps:
The brain wave signal that step S01, reception E.E.G pick-up unit send;
The E.E.G pick-up unit is placed on user's the brain, and it is brain prefrontal cortex district that its brain wave signal is gathered induction region.When the user is in certain state following time, it will produce brain wave signal, and then the E.E.G pick-up unit will be responded to this brain wave signal, and be sent to external unit.This external unit can be radio receiving terminal or its remote control equipment, for example portable terminal, television receive terminal or its remote control equipment.
Step S02, the E.E.G standard signal of said brain wave signal and storage is mated; If mate successfully, execution in step S03 then; If execution in step S01 is then returned in the coupling failure;
External unit will be stored the E.E.G standard signal in advance, matees according to the brain wave signal and this E.E.G standard signal that receive, matees successfully then execution in step S03.Execution in step S01 is then returned in the coupling failure, receives the brain wave signal that the E.E.G pick-up unit sends again.External unit can't in time react if the brain wave signal that the E.E.G pick-up unit of this reception sends is too much, then can the brain wave signal that receive be stored on the external unit.
The E.E.G standard signal is the brain wave signal under the user the is in various states, and the state that the user is in this E.E.G standard signal and remote controller control function form corresponding relation.Enumerated user's the 8 kinds of states and the corresponding relation of remote controller control function in the present embodiment, as shown in table 2.
Table 2
Figure BDA0000105265010000051
This state of user also can be provided with flexibly, the speed that for example can set mobile scope and move in " easily state imagines that down televisor center water droplet upwards moves "; The time of closing one's eyes in " closed eyes 3 seconds " can be set to 2-10 second or the like.
Step S03, according to the E.E.G standard signal of coupling, produce the control signal of control external unit.
Suppose that the user is in the state of " easily state imagines that down televisor center water droplet upwards moves ", then the E.E.G pick-up unit will collect brain wave signal, and transfer to external unit.After then external unit matees according to this brain wave signal and E.E.G standard signal, produce " on " remote signal, thereby realize control to external unit.
The embodiment of the invention is gathered the user through the E.E.G pick-up unit and is in the brain wave signal under the various states; And itself and E.E.G standard signal mated; To produce the control signal of control external unit; Make and realize remote peripheral equipment, proposed a kind of method of operating that can realize in user's use and the commercialization of E.E.G product in the future through E.E.G.
With reference to Fig. 2, the brain wave signal that said user is under the various states obtains through following method:
Step S21, the brain wave signal times of collection is set;
The times of collection of brain wave signal at first, is set.Present embodiment is set to 10 times.
Step S22, the brain wave signal that the user is under a certain state of a control are gathered, and obtain one group of data, repeat and gather action, up to reaching times of collection;
State with " easily state imagination televisor center water droplet upwards move " down is an example, if the user is in this state following time, the E.E.G pick-up unit will be gathered it.Its acquisition method can be provided with as the case may be.For example, the acquisition method that present embodiment adopts is: it is 0.1-50Hz that interval is set, and according to getting a little of step-length 0.1Hz, then gathers 500 one group data at every turn, obtains 10 groups of data respectively after gathering 10 times.
Step S23, all image data are calculated obtain mean value and error amount;
10 groups of data to step S22 gathers are calculated acquisition mean value, and then according to carrying out Error Calculation with minimum one group of data and the mean value of mean value error, obtain error amount.
For example, suppose X=(x Ij) 10 * 500The data point matrix of be gathering, i=1 wherein ..., 10; J=1 ..., 500; I represents times of collection, and the j representative is j data point from small to large, obviously x i.=(x I1, x I2..., x I500) data vector of each node of gathering for the i time of expression, the canonical reference that defines this kind state below is following:
X ‾ = ( x ‾ . 1 , x ‾ . 2 , · · · , x ‾ . 500 ) , Wherein x ‾ . j = 1 10 Σ i = 1 10 x Ij , j = 1 , · · · , 500 ;
The data point and the distance between the standard that define the i time collection are d iAs follows:
d i = Σ j = 1 500 ( x ij - x . j ) 2 , i = 1 , · · · , 10 ;
Find out and standard value between one group of minimum data vector of distance, be not general, might as well establish i 0The data of inferior collection, that is:
i 0＝arg·min 1≤i≤10{d i}
Define i 0The percentage error of the data of inferior collection is following for the scope that fluctuates of the E.E.G under this kind of user state:
E = max 1 ≤ j ≤ 500 | x i 0 j - 1 500 Σ j = 1 500 x ‾ . j 1 500 Σ j = 1 500 x ‾ . j | × 100 % ;
It is that center, error amount are the value range of positive negative difference that step S24, user are in that E.E.G standard signal under this state is set to mean value.
After obtaining mean value and error amount, it is the value range of mean value ± error amount that the brain wave signal that the user is under this state then can be set.
Because possibly there is several factors in the user in practical operation, for example: the size of the globule of thought intensity, moving speed, the imagination, the left-handed and dextrorotation that the imagination is justified state under that collects one's thoughts also have from the roundlet to the great circle, perhaps from the great circle to the roundlet or the like.So when the acquisition user was in the brain wave signal under certain state, needs were considered above-mentioned factor and brain wave signal are handled, and calculate and ask similar value.
With reference to Fig. 3, also comprise before the said step S01:
Step S31, according to acquisition instructions, user's brain wave signal is gathered twice at least;
According to acquisition instructions, the brain wave signal to the user in the preset time interval carries out at least twice continuous acquisition.
After opening the E.E.G pick-up unit, the E.E.G pick-up unit can be got 500 electric power signal intensity levels according to step-length 0.1Hz between 0.1-50Hz, and takes following method that the data of being gathered are calculated:
If a=is (a 1..., a 500) TFor in the E.E.G gatherer process according to the resulting power strength value of step-length 0.1Hz vector, wherein a n, (1≤n≤500) are the electric power signal intensity level of gathering in the n step, establish step value and are expressed as h=0.1 (hz), then a n=a n(nh), a=(a 1(h) ..., a 500(500h)) T
Might as well establish
Figure BDA0000105265010000071
(1≤n≤500; H=0.1 (hz)) be the binary representation form of the electric power signal intensity level of n step collection, then the vector of resulting power strength value binary representation form is in the E.E.G gatherer process:
a ~ = ( a ~ 1 , · · · , a ~ 500 ) T = ( a ~ 1 ( h ) , · · · , a ~ 500 ( 500 h ) ) T ;
Step S32, judge that brain wave signal after the above-mentioned data acquisition and calculation is whether in the error range that presets; If, execution in step S33 then; Otherwise execution in step S34;
Whether the brain wave signal of judge gathering in the error range that presets, if represent that then the brain wave signal of twice collection is consistent, is useful signal; Otherwise represent inconsistently, the collection of this brain wave signal is invalid brain wave signal.
Step S33, transmission brain wave signal;
If judge that brain wave signal is a useful signal, then send brain wave signal.
Step S34, return failure information, again user's brain wave signal is gathered.
If judge that brain wave signal is an invalid signals, then return failure information, again user's brain wave signal is gathered.
Fig. 4 is a kind of structural representation that carries out device one embodiment of remote control based on E.E.G of the present invention.
With reference to Fig. 4, a kind of device 1 that carries out remote control based on E.E.G of the present invention comprises:
Brain wave signal receiver module 110 is used to receive the brain wave signal that E.E.G pick-up unit 2 sends;
E.E.G pick-up unit 2 is placed on user's the brain, and it is brain prefrontal cortex district that its brain wave signal is gathered induction region.Brain wave signal receiver module 10 receives the brain wave signal that E.E.G pick-up unit 2 sends.
Brain wave signal matching module 120 is used for the E.E.G standard signal of said brain wave signal and storage is mated;
Brain wave signal matching module 120 will be stored the E.E.G standard signal in advance, matees according to the brain wave signal and this E.E.G standard signal that receive, matees successfully then to be sent to control signal generating module 130 to the E.E.G standard signal of coupling; The coupling failure is then accepted the brain wave signal that E.E.G pick-up unit 2 sends through brain wave signal receiver module 110 again.Brain wave signal matching module 120 can't in time react if the brain wave signal that the E.E.G pick-up unit 2 that this brain wave signal receiver module 10 receives sends is too much; Then can the brain wave signal that receive be stored on the brain wave signal receiver module 110, wait for the processing of brain wave signal matching module 120.
Control signal generating module 130 is used for mating successfully at the E.E.G standard signal of said brain wave signal and storage, then according to the E.E.G standard signal of coupling, produces the control signal of control external unit 3.
Need to prove that here the above-mentioned device 1 that carries out remote control based on E.E.G can be integrated in the external unit 3.
The E.E.G standard signal of above-mentioned storage is the brain wave signal under the user the is in various states, and the state that the user is in the E.E.G standard signal and remote controller control function form corresponding relation.Enumerated user's the 8 kinds of states and the corresponding relation of remote controller control function in the present embodiment, as shown in table 2.Suppose that the user is in the state of " easily state imagines that down televisor center water droplet upwards moves ", then E.E.G pick-up unit 2 will collect brain wave signal, and transfer to external unit.After then external unit 3 matees according to this brain wave signal and E.E.G standard signal, produce " on " remote signal, thereby realize control to external unit.
The embodiment of the invention is gathered the user through E.E.G pick-up unit 2 and is in the brain wave signal under the various states; And itself and E.E.G standard signal mated; To produce the control signal of control external unit; Make and realize remote peripheral equipment, proposed a kind of method of operating that can realize in user's use and the commercialization of E.E.G product in the future through E.E.G.
With reference to Fig. 5; Said apparatus also comprises brain wave signal acquisition module 140; Be used for obtaining that said E.E.G standard signal user is under a certain state of a control and form the brain wave signal of corresponding relation with the remote control control function, and it is handled, it is stored as said E.E.G standard signal.This brain wave signal acquisition module 140 specifically comprises:
Image data acquiring unit 141 is used to be provided with the brain wave signal times of collection; Brain wave signal through 2 couples of users of said E.E.G pick-up unit are under a certain state is gathered, and obtains one group of data, repeats to gather action, up to reaching times of collection;
Image data processing unit 142 is used for all image data are calculated and obtains mean value and error amount, and it is that center, error amount are the value range of positive negative difference that the user is in that brain wave signal under this state is set to mean value.
Because possibly there is several factors in the user in practical operation, for example: the size of the globule of thought intensity, moving speed, the imagination, the left-handed and dextrorotation that the imagination is justified state under that collects one's thoughts also have from the roundlet to the great circle, perhaps from the great circle to the roundlet or the like.So when the acquisition user was in the brain wave signal under certain state, needs were considered above-mentioned factor and brain wave signal are handled, and calculate and ask similar value at image data processing unit 42.
Fig. 6 is that the present invention also provides a kind of structural representation that carries out one embodiment of system of remote control based on E.E.G.
With reference to Fig. 6, a kind of system that carries out remote control based on E.E.G of the present invention comprises remote control treating apparatus 4 and E.E.G pick-up unit 2, wherein:
E.E.G pick-up unit 2 is used to detect the brain wave signal of brain, and sends it to remote control treating apparatus 4;
Remote control treating apparatus 4 is used for the brain wave signal according to said brain, handles and produce the remote signal of control external unit.
Above-mentioned E.E.G pick-up unit 2 specifically is used for: according to acquisition instructions, user's brain wave signal is carried out at least twice collection; Judge that the brain wave signal gathered is whether in the error range that presets; If then send brain wave signal; If not, then return failure information, again user's brain wave signal is gathered.
The described device 1 that carries out remote control based on E.E.G of above-mentioned remote control treating apparatus 4 and the foregoing description is same device, with reference to Fig. 4 and Fig. 5, just repeats no more at this.Need to prove that here this remote control treating apparatus 4 can be arranged on the remote control equipment of control external unit, also can be set directly on the external unit.
The embodiment of the invention is gathered the user through E.E.G pick-up unit 2 and is in the brain wave signal under the various states; And itself and E.E.G standard signal mated; To produce the control signal of control external unit; Make and realize remote peripheral equipment, proposed a kind of method of operating that can realize in user's use and the commercialization of E.E.G product in the future through E.E.G.
The above is merely the preferred embodiments of the present invention; Be not so limit its claim; Every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to be done; Directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.

Claims (9)

1. a method of carrying out remote control based on E.E.G is characterized in that, may further comprise the steps:
Receive the brain wave signal that the E.E.G pick-up unit sends;
The E.E.G standard signal of said brain wave signal and storage is mated;
If mate successfully,, produce the control signal of control external unit then according to the E.E.G standard signal of coupling.
2. method according to claim 1 is characterized in that, the E.E.G standard signal of said storage is under the user the is in a certain state of a control, form the brain wave signal of corresponding relation with remote controller control function.
3. method according to claim 2 is characterized in that, said E.E.G standard signal obtains through following method:
The brain wave signal times of collection is set;
Brain wave signal to the user is under a certain state of a control is gathered, and obtains one group of data, repeats to gather action, up to reaching times of collection;
All image data are calculated acquisition mean value and error amount;
It is that center, error amount are the value range of positive negative difference that the E.E.G standard signal is set to mean value.
4. method according to claim 3 is characterized in that, also comprises before the step of the brain wave signal that said reception E.E.G pick-up unit sends:
According to acquisition instructions, user's brain wave signal is gathered twice at least;
Judge that the brain wave signal gathered is whether in the error range that presets;
If then send brain wave signal;
If not, then return failure information, again user's brain wave signal is gathered.
5. a device that carries out remote control based on E.E.G is characterized in that, comprising:
The brain wave signal receiver module is used to receive the brain wave signal that the E.E.G pick-up unit sends;
The brain wave signal matching module is used for the E.E.G standard signal of said brain wave signal and storage is mated;
Control signal generating module is used for when the E.E.G standard signal of said brain wave signal and storage matees successfully, according to the E.E.G standard signal of coupling, produces the control signal of control external unit.
6. device according to claim 5; It is characterized in that; Also comprise the brain wave signal acquisition module; Be used for being under a certain state of a control, forming the brain wave signal of corresponding relation, and it is handled, it is stored as said E.E.G standard signal with remote controller control function through said E.E.G pick-up unit user.
7. device according to claim 6 is characterized in that, said brain wave signal acquisition module specifically comprises:
The image data acquiring unit is used to be provided with the brain wave signal times of collection; Through said E.E.G pick-up unit the brain wave signal that the user is under a certain state of a control is gathered, obtained one group of data, repeat and gather action, up to reaching times of collection;
The image data processing unit is used for all image data are calculated and obtains mean value and error amount, and it is that center, error amount are the value range of positive negative difference that the user is in that brain wave signal under this state is set to mean value.
8. system that carries out remote control based on E.E.G; It is characterized in that; Comprise and be used to detect brain wave signal and with the E.E.G pick-up unit of its output and be used for according to said brain wave signal; Handle and produce the remote control treating apparatus of the remote signal of control external unit, said remote control treating apparatus is for requiring each described device that carries out remote control based on E.E.G in 5 to 7 like profit.
9. system according to claim 8 is characterized in that, said E.E.G pick-up unit specifically is used for:
According to acquisition instructions, user's brain wave signal is gathered twice at least; Judge that the brain wave signal gathered is whether in the error range that presets; If then send brain wave signal to said remote control treating apparatus; If not, then return failure information, again user's brain wave signal is gathered.
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