CN106648051A - Eye electric mouse based on eyeball movement tracking and voice control - Google Patents
Eye electric mouse based on eyeball movement tracking and voice control Download PDFInfo
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- CN106648051A CN106648051A CN201610855976.6A CN201610855976A CN106648051A CN 106648051 A CN106648051 A CN 106648051A CN 201610855976 A CN201610855976 A CN 201610855976A CN 106648051 A CN106648051 A CN 106648051A
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- 210000001508 eye Anatomy 0.000 title claims abstract description 31
- 210000005252 bulbus oculi Anatomy 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 42
- 238000004891 communication Methods 0.000 claims abstract description 24
- 230000009471 action Effects 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 13
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 230000003321 amplification Effects 0.000 claims description 8
- 229910021607 Silver chloride Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 2
- 210000000080 chela (arthropods) Anatomy 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000002452 interceptive effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
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- 230000001419 dependent effect Effects 0.000 description 1
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- 230000005236 sound signal Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—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
- G06F3/013—Eye tracking input arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback
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- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The invention provides an eye electric mouse based on eyeball movement tracking and voice control. The eye electric mouse comprises an eye electric signal collecting module for collecting an eye electric signal, an eye electric signal processing module for processing eye electric information, a communication module for making communication with a computer and a voice collecting and processing module for collecting and processing voice. The eye electric mouse has the advantages of being high in operating precision, simple to use, high in reliability, capable of being widely used for old people, patients or disabled people who are inconvenient in hands or feet and providing a man-machine interactive mode independent of limbs so that the people who are inconvenient in hands or feet can make information communication with the computer depending on the thoughts of the people.
Description
Technical field
The present invention be used for computer realm, for realize by eyes control corresponding document opening, close, click, it is double
Hit, the basic operation of upper and lower page turning.
Background technology
With the development of society, the progress of computer technology is operated using the common input equipment such as mouse, keyboard
Traditional man-machine interaction mode can not meet the requirement of people, the especially aging of population increasingly serious today,
Particularly the not nimble the elderly of trick and not nimble patient is operated to be badly in need of carrying out the people of information interchange not against limbs with hand
Machine interactive system, allow patient or disabled person can self-dependent idea, with the novel mouse that computer carries out information interchange.
The content of the invention
In view of this, present invention is primarily targeted at provide a kind of high precision, easy to use, reliability it is high based on eye
Ball action tracking and the mouse of sound control.
In order to achieve the above object, technical scheme proposed by the present invention is：
Mouse based on eyeball action tracking and sound control includes that electro-ocular signal acquisition module 1, electro-ocular signal processes mould
Block 2, communication module 3, sound collection and processing module 4；Wherein,
Electro-ocular signal acquisition module, the signal for collecting for being acquired to eye signal, processed and amplified,
Stablized, after reliable electro-ocular signal, sent to electro-ocular signal processing module；
Electro-ocular signal processing module, for processing the electro-ocular signal that electro-ocular signal acquisition module is exported, while will
The electro-ocular signal for processing is sent to communication module；
Sound collection and processing module, for gathering the voice messaging that operator says, obtain corresponding control life
Make signal；The control signal for obtaining is sent to communication module simultaneously；
Communication module, for the electro-ocular signal for receiving and voice signal to be communicated with computer.
In sum, of the present invention based on eyeball action tracking and the mouse of sound control, communication module 3 is according to eye electricity
The electro-ocular signal that signal processing module 2 is provided, obtains in real time the action message of eyeball, so as to the movement of real-time control mouse；Root
According to the voice signal that sound collection and processing module 4 are sent, the acoustic information of real-time discriminated operant person, so as to realize corresponding text
The opening of part, close, click, double-clicking, the basic operation of upper and lower page turning.Therefore, the present invention has that specification precision is higher, user
Just the characteristics of；In addition, electro-ocular signal acquisition module 1, electro-ocular signal processing module 2, communication module 3, sound that the present invention is adopted
Collection is higher with the reliability of processing module 4, therefore the present invention has higher reliability.
Description of the drawings
Fig. 1 is eye electricity mouse composition structure chart of the present invention
Fig. 2 is pre-amplification circuit (screened circuit containing right leg drive)
Fig. 3 is trap, filter circuit
Fig. 4 is main amplifying circuit
Fig. 5 is level lifting and clamp circuit
Fig. 6 is Signal acquiring and processing module diagram
Fig. 7 is communication module schematic diagram
Fig. 8 is sound collection and processing module schematic diagram
Specific embodiment
It is right below in conjunction with the accompanying drawings and the specific embodiments to make the object, technical solutions and advantages of the present invention clearer
The present invention is described in further detail.
Fig. 1 is the composition structure chart of eye electricity mouse of the present invention.As shown in figure 1, electro-ocular signal collection of the present invention
Module 1, electro-ocular signal processing module 2, communication module 3, sound collection and processing module 4；Wherein,
Electro-ocular signal acquisition module 1, the signal for collecting for being acquired to eye signal, processed and put
Greatly, stablized, after reliable electro-ocular signal, sent to electro-ocular signal processing module；
Electro-ocular signal processing module 2, for processing the electro-ocular signal that electro-ocular signal acquisition module is exported, while will
The electro-ocular signal for processing is sent to communication module；
Sound collection and processing module 4, for gathering the voice messaging that operator says, obtain corresponding control life
Make signal；The control signal for obtaining is sent to communication module simultaneously；
Communication module 3, for the electro-ocular signal for receiving and voice signal to be communicated with computer.
In a word, the eye electric signal that eye electricity mouse of the present invention is collected according to Ag-AgCl electrodes 11, by collecting
Leg signal and the speech signal that collected with processing module 4 by sound collection computer is assigned determining operator
Instruction, realize control computer complete corresponding document opening, close, click, double-clicking, the basic operation of upper and lower page turning.
Signals collecting amplifying device include pre-amplification circuit (screened circuit containing right leg drive) (Fig. 2), trap, filtered electrical
Road (Fig. 3), main amplifying circuit (Fig. 4), level lifting and clamp circuit (Fig. 5).
Fig. 2 is that electro-ocular signal acquisition module of the present invention is carried out to the eye electric signal that Ag-AgCl electrodes 11 are collected
The pre-amplification circuit (screened circuit containing right leg drive) of preposition amplification, pre-amplification circuit (screened circuit containing right leg drive) bag
Include the first operational amplifier U1, the second operational amplifier U2, the 3rd operational amplifier U3, four-operational amplifier U4, the 5th fortune
Calculate amplifier U5, the first input resistance R1, the 5th input resistance R5, the second output resistance R2, the 3rd feedback resistance R3, the 4th anti-
Feed resistance R4, the first feedback capacity C1, the 6th divider resistance R6, the 7th divider resistance R7, the 8th divider resistance R8, Ag-AgCl
The first input resistances of the signal input part Jing R1 of electrode 11 accesses the in-phase input end of the first operational amplifier U1, and the first computing is put
The inverting input of big device U1 is connected as feedback with its output end, output end and the 5th computing of the first operational amplifier U1
The inverting input of amplifier U5 is connected, the signal output part also input resistance R5 of Jing the 5th and the 4th of Ag-AgCl electrodes 11
The in-phase input end of operational amplifier U4 is connected, and the inverting input of four-operational amplifier U4 is directly connected to its output end
As feedback, while its output end is connected with the in-phase input end of the 5th operational amplifier U5, front storing is so just constituted
Big circuit, the output end of the 5th operational amplifier U5 is connected with the input of trap, filter circuit 13, the 5th operational amplifier
Two pins of U5 are connected respectively with the two ends of the 8th divider resistance R8, the 8th divider resistance R8 and the 6th divider resistance R6,
The series circuit of the 7th divider resistance R7 is in parallel, and the pin that the 6th divider resistance R6 is connected with the 7th divider resistance R7 is while with the
Three feedback resistance R3, the 4th feedback resistance R4, the inverting input of the second operational amplifier U2 and the 3rd operation amplifier U3's
In-phase input end is connected, output end Jing the second output resistance R2's and the 3rd operational amplifier U3 of the second operational amplifier U2
Output end is connected, while the output end of the second operational amplifier U2 is directly connected as feedback with its in-phase input end, the
Feedback capacities C1 of other end Jing first of three feedback resistance R3 are connected with the output end of the 3rd operational amplifier U3, the 4th feedback
The other end of resistance R4 is equally connected with the output end of the 3rd operational amplifier U3, and the output end of the 3rd operational amplifier U3 is made
For bucking electrode, while its reverse inter-input-ing ending grounding.
Fig. 3 is trap, filter circuit 13 in electro-ocular signal acquisition module 1 of the present invention, and it includes that second order active is low
Bandpass filter circuit, second order active high-pass filtering circuit, the second order being made up of the 6th electric capacity, the 7th electric capacity C7, the 13rd resistance without
Source high-pass filter, the second order passive low-pass filter being made up of the 14th resistance R14, the 15th resistance R15, the 8th electric capacity C8
Device, the 7th operational amplifier U7 and the 8th operational amplifier U8；Wherein, by the 9th resistance R9, the second electric capacity C2 and the tenth resistance
The Order RC low-pass network of R10, the 3rd electric capacity C3 composition is directly connected with the 5th operational amplifier U5, constitutes second order active low pass
Filter circuit；The ground connection of the second electric capacity C2 terminates to the output end of the 5th operational amplifier U5, forms positive feedback；By the 4th electric capacity
C4, the 11st resistance R11 and the 5th electric capacity C5, the 12nd resistance R12 composition Order RC high pass network directly with the 6th computing
Amplifier U6 be connected constitute second order active high-pass filtering circuit, its Main Function be will collect signal is filtered process,
Reduce the interference of other signals, it is ensured that signal it is accurate；The ground connection of the 11st resistance R11 terminates to the 6th operational amplifier U6's
Output end, forms positive feedback；Second order passive high three-way filter and second order passive low ventilating filter compose in parallel twin-T network, double T nets
The in-phase input end of output the 7th operational amplifier U7 of termination of network, the earth terminal of twin-T network and the 8th operational amplifier U8's
Output end is connected, and the inverting input of the 7th operational amplifier U7 is directly connected with the output end of the 7th operational amplifier U7, the
One end of 15 resistance R15 is connected with the output end of the 7th operational amplifier U7, and the other end of the 15th resistance R15 and the 8th is transported
The in-phase input end for calculating amplifier U8 is connected and is connected to ground terminal.The inverting input of the 8th operational amplifier U8 is directly with the 8th
The output end of operational amplifier U8 is connected.
Fig. 4 is the main amplifying circuit 14 of electro-ocular signal acquisition module of the present invention, electro-ocular signal Jing traps, filter circuit
Main amplifying circuit 14 is passed to after 13 process；Main amplifying circuit includes the 9th operational amplifier U9, the 16th resistance R16, the tenth
Seven resistance R17；Trap, the output line of filter circuit are connected to the in-phase input end of the 9th operational amplifier U9, its inverting input
The resistance R16 of Jing the 16th are grounded；Simultaneously its inverting input is connected by the 17th resistance R17 with its output end；9th fortune
The output end for calculating amplifier U9 is connected with the input of level lifting and clamp circuit.
Fig. 5 is the level lifting of electro-ocular signal acquisition module of the present invention and clamp circuit 15, and electro-ocular signal Jing master put
Big circuit 14 is delivered to level lifting and clamp circuit 15 after amplifying, level lifting and clamp circuit comprising the 18th resistance R18,
Tenth operational amplifier U10, the 20th resistance R20, the 19th resistance R19, the first diode D1, the second clamp diode D2,
3rd clamp diode D3, the tenth electric capacity C10；Electro-ocular signal is input into the tenth operational amplifier U10's Jing after the 18th resistance R18
In-phase input end, while the resistance R19 of its in-phase input end Jing the 19th are connected with its output end；Tenth operational amplifier U10
The resistance R20 of inverting input Jing the 20th be connected with 5V power supplys, and the first diodes of Jing D1 be grounded；Second clamp diode
D2 negative electrodes are connected with the 3rd clamp diode D3 anodes, the plus earth of the second clamp diode D2, the 3rd clamp diode D3
Negative electrode connect 3.3V power supplys, meanwhile, one filter capacitor C10 of two ends parallel connection of the second clamp diode D2 is so just constituted
One clamp circuit；Just may be used after the output end of the tenth operational amplifier U10 is connected with the negative electrode of the second clamp diode D2
Clamp down on the amplitude of output signal；The output of the tenth operational amplifier is terminated in electro-ocular signal processing module.
Fig. 6 is the structural representation of module electro-ocular signal processing module 2 of the present invention, and electro-ocular signal acquisition module is adopted
The signal of collection sends into A/D modular converters 21, dsp processor module 22 is sent to again through process, then by the letter for finally obtaining
Number it is transferred to communication module 3.
Fig. 7 is the structural representation of communication module of the present invention 3, and electro-ocular signal Jing electro-ocular signals processing module 2 is processed
Data signal is passed to afterwards data processing MCU (32) part in communication module 3, after data processing MCU (32) resume module
Signal is passed to into computer by USBD12 (31) module, is believed similarly for the speech recognition that sound identification module 42 is passed over
Number, communication module 3 is delivered on computer again after Jing data processing MCU (32) resume modules after receiving by USBD12 (31).
Fig. 8 is sound collection of the present invention and processing module 4；Speech recognition mould in sound collection and processing module 4
Signal is simultaneously carried out process and changes into digital quantity by block (42) collected sound signal, afterwards the big voice signal of digital quantity is passed to into solution
Code MCU (41) part, decoding MCU (41) partly will identification instruction after the contrast of voice signal and internal database, and will identification knot
Fruit passes to communication module 3.
This eye electricity mouse action is simple, can significantly popularize the computer utilization rate of trick individuals with disabilities, and popularization and application have
Great Social benefit and economic benefit.
In sum, presently preferred embodiments of the present invention is these are only, is not intended to limit protection scope of the present invention,
All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in the present invention's
Within protection domain.
Claims (10)
1. a kind of eye electricity mouse based on eyeball action tracking and sound control, has at electro-ocular signal acquisition module, electro-ocular signal
Reason module, communication module, sound collection and processing module；Wherein,
Electro-ocular signal acquisition module, the signal for collecting for being acquired to eye signal, processed and amplified, and is obtained
After stable, reliable electro-ocular signal, send to electro-ocular signal processing module；
Electro-ocular signal processing module, for processing the electro-ocular signal that electro-ocular signal acquisition module is exported, while will process
The electro-ocular signal crossed is sent to communication module；
Sound collection and processing module, for gathering the voice messaging that operator says, obtain corresponding control command letter
Number；The control signal for obtaining is sent to communication module simultaneously；
Communication module, for the electro-ocular signal for receiving and voice signal to be communicated with computer.
2. the eye electricity mouse based on eyeball action tracking and sound control according to claim 1, it is characterised in that described
The pre-amplification circuit (screened circuit containing right leg drive) that electro-ocular signal acquisition module is included, trap, filter circuit, master is put
Big circuit, level lifting and clamp circuit.
3. the electric mouse of the eye based on eyeball action tracking and sound control according to claim 1 or claim 2, it is special
Levy is that the preposition amplification that the electro-ocular signal acquisition module is amplified to the eye electric signal that Ag-AgCl electrodes are collected is electric
Road (screened circuit containing right leg drive), pre-amplification circuit (screened circuit containing right leg drive) include the first operational amplifier, the
It is two operational amplifiers, the 3rd operational amplifier, four-operational amplifier, the 5th operational amplifier, the first input resistance, the 5th defeated
Enter resistance, the second output resistance, the 3rd feedback resistance, the 4th feedback resistance, the first feedback capacity, the 6th divider resistance, the 7th
Divider resistance, the 8th divider resistance, the first input resistances of Ag-AgCl electrode signal input Jing access the first operational amplifier
In-phase input end, the inverting input of the first operational amplifier is connected as feedback with its output end, the first operational amplifier
Output end be connected with the inverting input of the 5th operational amplifier, the signal output part also Jing the 5th of Ag-AgCl electrodes is defeated
Enter resistance to be connected with the in-phase input end of four-operational amplifier, the inverting input of four-operational amplifier and its output end
It is directly connected to as feedback, while its output end is connected with the in-phase input end of the 5th operational amplifier, so just constitutes
Pre-amplification circuit (screened circuit containing right leg drive), output end and trap, the input of filter circuit of the 5th operational amplifier
End is connected, and two pins of the 5th operational amplifier are connected respectively with the two ends of the 8th divider resistance, the 8th divider resistance
It is in parallel with the series circuit of the 6th divider resistance, the 7th divider resistance, the 6th divider resistance and drawing that the 7th divider resistance is connected
Pin simultaneously with the 3rd feedback resistance, the 4th feedback resistance, the inverting input of the second operational amplifier and the 3rd operation amplifier
In-phase input end be connected, the output resistance of output end Jing second of the second operational amplifier and the output of the 3rd operational amplifier
End is connected, while the output end of the second operational amplifier is directly connected as feedback with its in-phase input end, the 3rd feedback
The feedback capacities of other end Jing first of resistance are connected with the output end of the 3rd operational amplifier, the other end of the 4th feedback resistance
Equally it is connected with the output end of the 3rd operational amplifier, the output end of the 3rd operational amplifier acts on bucking electrode, while
Its reverse inter-input-ing ending grounding.
4. the electric mouse of the eye based on eyeball action tracking and sound control according to claim 1 or claim 2, it is special
It is second order active low-pass filter circuit, second order active high-pass filtering circuit that the trap, filter circuit include to levy, by the 6th
Electric capacity, the 7th electric capacity, the 13rd resistance composition second order passive high three-way filter, by the 14th resistance, the 15th resistance, the 8th
Second order passive low ventilating filter, the 7th operational amplifier and the 8th operational amplifier of electric capacity composition, wherein, by the 9th resistance,
Second electric capacity and the tenth resistance, the Order RC low-pass network of the 3rd electric capacity composition are directly connected with the 5th operational amplifier, constitute
Second order active low-pass filter circuit；The ground connection of the second electric capacity terminates to the output end of the 5th operational amplifier, forms positive feedback；By
4th electric capacity, the 11st resistance and the 5th electric capacity, the Order RC high pass network of the 12nd resistance composition are directly put with the 6th computing
Big device is connected and constitutes second order active high-pass filtering circuit, its Main Function be will collect signal is filtered processs, reduction
The interference of other signals, it is ensured that signal it is accurate, the ground connection of the 11st resistance terminates to the output end of the 6th operational amplifier, shape
Into positive feedback, second order passive high three-way filter and second order passive low ventilating filter compose in parallel twin-T network, the output of twin-T network
The in-phase input end of the 7th operational amplifier is terminated, the earth terminal of twin-T network is connected with the output end of the 8th operational amplifier, the
The inverting input of seven operational amplifiers is directly connected with the output end of the 7th operational amplifier, one end of the 15th resistance and the
The output end of seven operational amplifiers is connected, and the other end of the 15th resistance is connected simultaneously with the in-phase input end of the 8th operational amplifier
Ground terminal is connected to, the inverting input of the 8th operational amplifier is directly connected with the output end of the 8th operational amplifier.
5. the electric mouse of the eye based on eyeball action tracking and sound control according to claim 1 or claim 2, it is special
Levy is that the main amplifying circuit includes the 9th operational amplifier, the 16th resistance, the 17th resistance；Trap, filter circuit
Output line is connected to the in-phase input end of the 9th operational amplifier, the resistance eutral groundings of its inverting input Jing the 16th；Simultaneously its is anti-phase
Input is connected by the 17th resistance with its output end；The output end of the 9th operational amplifier and level lifting and clamper electricity
The input on road is connected.
6. the electric mouse of the eye based on eyeball action tracking and sound control according to claim 1 or claim 2, it is special
Levy is the level lifting and clamp circuit comprising the 18th resistance, the tenth operational amplifier, the 19th resistance, the 20th electric
Resistance, the first diode, the second clamp diode, the 3rd clamp diode, the tenth electric capacity；Electro-ocular signal is defeated Jing after the 18th resistance
Enter the in-phase input end of the tenth operational amplifier, while the resistance of its in-phase input end Jing the 19th is connected with its output end；The
The resistance of inverting input Jing the 20th of ten operational amplifiers is connected with 5V power supplys, and the diodes of Jing first are grounded；Second pincers
Position diode cathode is connected with the 3rd clamp diode anode, the plus earth of the second clamp diode, the 3rd clamp diode
Negative electrode connect 3.3V power supplys, meanwhile, parallel connection one filter capacitor in the two ends of the second clamp diode so just constitutes a pincers
Position circuit；Just output signal can be clamped down on after the output end of the tenth operational amplifier is connected with the negative electrode of the second clamp diode
Amplitude；The output of the tenth operational amplifier is terminated in electro-ocular signal processing module.
7. the eye electricity mouse based on eyeball action tracking and sound control according to claim 1, it is characterised in that described
Electro-ocular signal processing module includes A/D modular converters, dsp processor module.
8. the eye electricity mouse based on eyeball action tracking and sound control according to claim 1, it is characterised in that described
Sound collection is STM32 series processors with the processor of processing module, and is mainly used in gathering the sound that user is sent
Sound control signal.
9. the eye electricity mouse based on eyeball action tracking and sound control according to claim 1, it is characterised in that described
Communication module includes USBD12 modules, data processing MCU module, so as to realize the function that mouse is communicated with computer.
10. the eye electricity mouse based on eyeball action tracking and sound control according to claim 1, it is characterised in that described
Sound collection includes decoding MCU module, sound identification module with processing module, and the module uses 32 bit processors,
Centered on dialogue management unit, speech identifying function is realized by hardware cell, system is realized using embedded OS
One task scheduling and peripherals administration.
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| CN201610855976.6A CN106648051A (en) | 2016-09-18 | 2016-09-18 | Eye electric mouse based on eyeball movement tracking and voice control |
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| CN201610855976.6A CN106648051A (en) | 2016-09-18 | 2016-09-18 | Eye electric mouse based on eyeball movement tracking and voice control |
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