CN208355453U - A kind of emotion signal acquiring system - Google Patents
A kind of emotion signal acquiring system Download PDFInfo
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- CN208355453U CN208355453U CN201720819772.7U CN201720819772U CN208355453U CN 208355453 U CN208355453 U CN 208355453U CN 201720819772 U CN201720819772 U CN 201720819772U CN 208355453 U CN208355453 U CN 208355453U
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Abstract
The utility model discloses a kind of emotion signal acquiring systems, including VR video playback apparatus, electromyographic signal collection electrode, pulse signal acquisition sensor, human body temperature signal acquisition sensor, electromyography signal conditioning module, pulse signal conditioning module, human body temperature signal conditioning module, data collecting card and computer.The utility model, virtual reality video playback apparatus is introduced into emotion signal acquiring system, the film for inducing human emotion is played by VR video playback apparatus, while human body electromyography signal, pulse signal, temperature signals are acquired as emotion recognition signal by electromyographic signal collection electrode, pulse signal acquisition sensor, human body temperature signal acquisition sensor respectively；Virtual reality video playback apparatus gives true emotional experience, greatly strengthen the stimulation of the induction to the emotion of people, with performer deliberately perform or common video projection compared with, ensure that the authenticity of human emotion, thus improve emotion signal differentiation accuracy.
Description
Technical field
The utility model belongs to emotion Signal Collection Technology field, and in particular to a kind of emotion signal acquiring system.
Background technique
Emotion recognition is a critical issue of affection computation, is to establish one of basis of harmonious man-machine environment, it is answered
With extremely extensively, the interest of numerous affection computation researchers is caused in foreign countries in recent years, but is still in starting state at home.
Such as the emotion jewelry of MIT Media Lab proposition, Emotional Teaching, the emotion monitoring of driver, emotion CD, emotion toy, emotion
Blanket, emotion mouse, emotion glasses etc..
At present for emotion recognition there are two types of mode, one is detection physiological signal such as breathing, the rhythm of the heart, electrocardio, brain it is electric and
Body temperature etc., another kind are detection affective behavior such as facial characteristics Expression Recognition, speech emotion recognition and gesture recognitions.It is at present to adopt more
With facial expression, common questionnaire method on body posture and speech signal analysis method and psychology, result usually by
Subject and main examination subjective factor influence, and physiological change only by people autonomic nerves system and endocrine system dominate, not by
The subjective control of people, thus physiological signal measurements method is applied, the data obtained is more objective.The deep discovery of research, different emotions
Different muscular movement modes can be generated, emotion can be identified according to the feature for extracting different electromyography signals completely, so
By electromyography signal be applied to emotion recognition it is also receive more and more attention and research.
The physiological activation of emotion needs certain energy, activation of these energy from human body physiological function, including nerve
Endocrine variation, blood pressure raising, increased heart rate, pupil amplification, contraction of muscle etc..U.S. Ekman et al. passes through experimental summary
Different emotions has different physiological reactions such as out: Albinus' muscle shrinkage expansion is frequent when glad；Palpitate quickly when angry, breathe plus
Fastly；Increase discharge adrenaline etc. when frightened.Such as people's cheek when laughing at rises, circumocular muscle is piled up, left hemisphere
Electrical activity increase.Electromyography signal can preferably embody the muscle strength level of muscle activity, local fatigue degree, motor unit excitement
The changing rule of a variety of muscle activities and maincenter controlling feature such as conduction of velocity, polymyarian group's harmony, according to these regular myoelectricities
Signal can embody the variation of mood from some aspects, and EMG signal is used for affective state identification and is had great importance, both at home and abroad
It is very rapid to the research and development of electromyography signal.
At abroad, the MIT media experiment group that professor Picard leads proves the side using physiological signal to emotion recognition
Method is feasible.The physiological signal that Picard professor and Elias acquire 20 days when 1 famous actor deliberately performs 8 kinds of emotions therefrom mentions
Statistical characteristics is taken to obtain 83% emotion recognition rate using Fisher Projection.The Kim Bang and Kim of South Korea
(2004) 50 subjects are acquired and use Support Vector after the physiological signal under the induction of natural mood extracts feature
Machine has reached 71.4% to the discrimination of 3 kinds of emotions.German Augsburg university Johannes Wagner et al. is to 1
25 days myoelectricities (EMG) when tetra- kinds of emotions of joy, anger, sadness, pleasure that subject generates under the induction of music
Physiological signal data carries out emotion recognition.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of emotion signal acquiring system.
The utility model is achieved through the following technical solutions:
A kind of emotion signal acquiring system, including the acquisition of VR video playback apparatus, electromyographic signal collection electrode, pulse signal
Sensor, human body temperature signal acquisition sensor, electromyography signal conditioning module, pulse signal conditioning module, human body temperature signal
Conditioning module, data collecting card and computer,
VR video playback apparatus control circuit and calculating mechatronics, computer send video letter to VR video playback apparatus
Number, video is played by VR video playback apparatus；
Electromyographic signal collection electrode connects electromyography signal conditioning module, the signal output end connection of electromyography signal conditioning module
To the input end of analog signal of data collecting card；
Pulse signal acquires sensor and connects pulse signal conditioning module, and the signal output end of pulse signal conditioning module connects
It is connected to the input end of analog signal of data collecting card；
Human body temperature signal acquisition sensor connects human body temperature signal conditioning module, human body temperature signal conditioning module
Signal output end is connected to the input end of analog signal of data collecting card；
Data collecting card is connected to computer.
In the above-mentioned technical solutions, electromyography signal conditioning module includes pre-amplification circuit and filter circuit, preposition amplification
Circuit selects INA128 amplifier, and electromyographic signal collection electrode includes detection electrode, the first reference electrode and the second reference electrode,
Detection electrode, the first reference electrode are connected to the differential input terminal of INA128, the second reference electrode ground connection；The signal of INA128 is defeated
Outlet is connected to filter circuit and is filtered, and filter circuit signal output end is connected to the analog signal input of data collecting card
End.
In the above-mentioned technical solutions, data collecting card uses M series DAQ data collecting card.
In the above-mentioned technical solutions, pulse signal acquisition sensor uses sc0073 pulse micro-pressure sensor.
In the above-mentioned technical solutions, human body temperature signal acquisition sensor uses high precision thermosensitive resistor temperature sensor
MF-52E。
It the advantages of the utility model and has the beneficial effect that
Virtual reality (VR) video playback apparatus is introduced into emotion signal acquiring system, passes through VR by the utility model
Video playback apparatus plays the film for inducing human emotion, while passing through electromyographic signal collection electrode, pulse signal acquisition sensing
Device, human body temperature signal acquisition sensor acquire human body electromyography signal, pulse signal, temperature signals respectively to be believed as emotion recognition
Number；Virtual reality (VR) video playback apparatus gives true emotional experience, greatly strengthens the thorn of the induction to the emotion of people
Swash, with performer deliberately perform or common video projection compared with, ensure that the authenticity of human emotion, to improve emotion
The accuracy that signal differentiates.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the circuit diagram of the pre-amplification circuit of electromyography signal conditioning module.
Specific embodiment
The technical solution of the utility model is further illustrated combined with specific embodiments below.
A kind of emotion signal acquiring system, referring to attached drawing 1, including VR video playback apparatus 1, electromyographic signal collection electrode,
Pulse signal acquires sensor 3, human body temperature signal acquisition sensor 4, electromyography signal conditioning module 5, pulse signal and improves mould
Block 6, human body temperature signal conditioning module 7, data collecting card 8 and computer 9,
VR video playback apparatus control circuit and calculating mechatronics, computer send video letter to VR video playback apparatus
Number, video is played by VR video playback apparatus；
Electromyographic signal collection electrode includes detection electrode 2-1, the first reference electrode 2-2 and the second reference electrode 2-3, myoelectricity
Signal conditioning module 5 includes pre-amplification circuit and filter circuit, and referring to attached drawing 2, the U.S. BB that pre-amplification circuit is selected is public
The INA128 amplifier of department, the chip size is small (5.00mm × 6.20mm × 1.75mm, surface mount packages), (power supply electricity low in energy consumption
Stream only has 700 μ A), low maladjustment voltage (50 μ V max), low drifting (0.5 μ V/ DEG C max), high cmrr (120dB
Min), high input impedance (10G Ω), low output impedance, bandwidth (when G=100,200KHz) are very suitable to apply in physiology
In the design of pre-amplification circuit.Detection electrode 2-1, the first reference electrode 2-2 are connected to the differential input terminal of INA128, and second
Reference electrode 2-3 ground connection connects adjustable resistance R1 to obtain different gains between the pin 1 and pin 8 of INA128；INA128
Signal output end be connected to filter circuit and be filtered, filter circuit signal output end is connected to the simulation letter of data collecting card
Number input terminal；
Pulse signal acquires sensor 3 and uses sc0073 pulse micro-pressure sensor, uses piezoelectric membrane as transducing material
Dynamic pressure signal is converted into a kind of electric signal by the effect of film by material, last output voltage signal, and sc0073 pulse is micro-
Pressure sensor high sensitivity, small in size, easy to operate cost is not high, and in addition to this, sc0073 pulse micro-pressure sensor can also be compared with
Good resistance foreign impacts wave and overload phenomenon, interference free performance is also relatively good.Pulse signal acquires sensor 3 and passes through pulse
Signal conditioning module 6 is connected to the input end of analog signal of data collecting card 8；
Human body temperature signal acquisition sensor 4 uses high precision thermosensitive resistor temperature sensor MF-52E, MF-52E temperature
Not only acquisition precision is high but also at low cost for sensor, easy to use.Human body temperature signal acquisition sensor 4 passes through human body
Temperature signal regulation module 7 is connected to the input end of analog signal of data collecting card 8；
Data collecting card 8 uses M series DAQ data collecting card (plate), a minimum of 16 tunnel simulation input of M series DAQ, 24
Digital I/O line and two counter/timers.Trendy M series DAQ equipment is using the unprecedented new spy of plug-in type DAQ card
Property and while new technology, reduce the cost in every road analog and digital signal channel by increasing port number.It is adopted by data
Truck to after conditioning electromyography signal, pulse signal, human body temperature signal is acquired and analog-to-digital conversion, then pass to calculating
Machine 9.
Illustrative description has been done to the utility model above, it should explanation, in the core for not departing from the utility model
In the case where the heart, it is any it is simple deformation, modification or other skilled in the art can not spend creative work etc.
The protection scope of the utility model is each fallen with replacement.
Claims (5)
1. a kind of emotion signal acquiring system, it is characterised in that: including VR video playback apparatus, electromyographic signal collection electrode, arteries and veins
Signal acquisition of fighting sensor, human body temperature signal acquisition sensor, electromyography signal conditioning module, pulse signal conditioning module, people
Fluid temperature signal conditioning module, data collecting card and computer,
VR video playback apparatus and calculating mechatronics, computer send vision signal to VR video playback apparatus, are regarded by VR
Frequency playback equipment plays video；
Electromyographic signal collection electrode connects electromyography signal conditioning module, and the signal output end of electromyography signal conditioning module is connected to number
According to the input end of analog signal of capture card；
Pulse signal acquires sensor and connects pulse signal conditioning module, and the signal output end of pulse signal conditioning module is connected to
The input end of analog signal of data collecting card；
Human body temperature signal acquisition sensor connects human body temperature signal conditioning module, the signal of human body temperature signal conditioning module
Output end is connected to the input end of analog signal of data collecting card；
Data collecting card is connected to computer.
2. a kind of emotion signal acquiring system according to claim 1, it is characterised in that: electromyography signal conditioning module includes
Pre-amplification circuit and filter circuit, pre-amplification circuit select INA128 amplifier, and electromyographic signal collection electrode includes detection
Electrode, the first reference electrode and the second reference electrode, detection electrode, the first reference electrode are connected to the differential input of INA128
End, the second reference electrode ground connection；The signal output end of INA128 is connected to filter circuit and is filtered, the output of filter circuit signal
End is connected to the input end of analog signal of data collecting card.
3. a kind of emotion signal acquiring system according to claim 1, it is characterised in that: data collecting card is using M series
DAQ data collecting card.
4. a kind of emotion signal acquiring system according to claim 1, it is characterised in that: pulse signal acquisition sensor is adopted
With sc0073 pulse micro-pressure sensor.
5. a kind of emotion signal acquiring system according to claim 1, it is characterised in that: human body temperature signal acquisition sensing
Device uses high precision thermosensitive resistor temperature sensor MF-52E.
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| CN201720819772.7U CN208355453U (en) | 2017-07-07 | 2017-07-07 | A kind of emotion signal acquiring system |
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| CN201720819772.7U CN208355453U (en) | 2017-07-07 | 2017-07-07 | A kind of emotion signal acquiring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109840827A (en) * | 2019-01-14 | 2019-06-04 | 苏州乐轩科技有限公司 | Film recommendation system and film recommendation method |
| CN113364916A (en) * | 2021-06-07 | 2021-09-07 | 维沃移动通信有限公司 | Method and device for determining emotion information, electronic equipment and storage medium |
-
2017
- 2017-07-07 CN CN201720819772.7U patent/CN208355453U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109840827A (en) * | 2019-01-14 | 2019-06-04 | 苏州乐轩科技有限公司 | Film recommendation system and film recommendation method |
| CN113364916A (en) * | 2021-06-07 | 2021-09-07 | 维沃移动通信有限公司 | Method and device for determining emotion information, electronic equipment and storage medium |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190111 Termination date: 20190707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |