CN208255900U - A kind of micro- expression acquisition device of human face - Google Patents
A kind of micro- expression acquisition device of human face Download PDFInfo
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- CN208255900U CN208255900U CN201820533264.7U CN201820533264U CN208255900U CN 208255900 U CN208255900 U CN 208255900U CN 201820533264 U CN201820533264 U CN 201820533264U CN 208255900 U CN208255900 U CN 208255900U
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Abstract
The utility model discloses a kind of micro- expression acquisition devices of human face, belong to micro- Expression Recognition technical field.The above-mentioned micro- expression acquisition device of human face includes chassis, photosensitive driving device, the bracket being mounted on chassis and the display screen being arranged on bracket, camera is provided at the top of display screen, image pre-processing module is additionally provided on chassis, camera acquisition data are sent to image pre-processing module and are pre-processed；Photosensitive driving device includes the control module for being mounted on photosensitive sensor at the top of display screen, being arranged on chassis, and is mounted on the universal wheel of tray bottom and the steering engine for driving universal wheel to rotate；Camera includes the camera lens of shell and setting inside housings；Camera aperture is provided on shell, camera aperture is used for exposure lens；Shell around camera aperture protrudes from camera lens.The utility model improves the ability of expression picture identification using the advantages such as big data, network, high-efficient, speed is fast.It can move freely, therefore it is more preferable to improve lighting effect.
Description
Technical field
The utility model relates to micro- Expression Recognition technical fields, particularly relate to a kind of micro- expression acquisition device of human face.
Background technique
The frequency and amplitude that micro- expression occurs are all very low, and ordinary people only observes by the naked eye, not to its recognition capability
It is high.The capturing efficiency for how improving micro- expression enhances the recognition capability of micro- expression, is the problem for needing to solve.Along with
How the emergence of today's society artificial intelligence, area of pattern recognition combines collected expression and artificial intelligence, big data etc.
Get up, high efficiency, which captures the identification micro- expression of the mankind, becomes a problem.
In the prior art, human facial expressions' acquisition device also has relevant report:
Patent CN106326879A provides a kind of micro- expression recognition apparatus (see figure 1) of exception, and the device is by camera, display
Screen, pedestal, fore-stock, after-poppet, rotating device, image processing unit, Android device, Wi-fi module, power module, road
By device, USB line, image processing unit current supply line, rotating device current supply line, photosensitive sensor, microcontroller, steering engine group
At described device can be tested the movable at heart of personnel according to micro- Expression analysis, and this method foundation is having occurred and that micro- expression
On the basis of, the classification of micro- expression is judged using computer, is had quickly, easy-operating advantage.
Light source is one of part the most key in NI Vision Builder for Automated Inspection, and machine vision light source directly influences the matter of image
Amount, in some instances it may even be possible to reduce the accuracy rate of expression classification.The adverse effect for how reducing and improving illumination for picture is a urgency
Problem to be solved.But the rotating module in foregoing invention in image collecting device, do not clearly state rotation direction and
Angle.It is judged that being all difficult to make biggish rotation in any case, i.e. the effect of alleviation illumination effect is very little.Meanwhile respectively
Power supply line or supply lines between module is exposed on pedestal, on the one hand unsightly, may influence image collection effect；Separately
One side route is easy to aging, influences the service life of device.Existing camera uses common camera, when acquiring image,
The interference shone vulnerable to lateral light.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of micro- expression acquisition devices of human face, pass through computer
Internet is connected, using resources such as big datas, quickly, efficiently judges expression picture, Expression Recognition time length, efficiency before improving
Low disadvantage.
In order to solve the above technical problems, the utility model offer technical solution is as follows:
The utility model provides a kind of micro- expression acquisition device of human face, including chassis, photosensitive driving device, is mounted on
The display screen of bracket and setting on the bracket on the chassis, the display screen top are provided with camera, the bottom
Image pre-processing module is additionally provided on disk, the camera acquisition data are sent to described image preprocessing module and are located in advance
Reason；
The photosensitive driving device includes being mounted on the photosensitive sensor at the top of the display screen, being arranged on the chassis
Control module, and be mounted on the tray bottom universal wheel and for drive universal wheel rotate steering engine；
The camera includes shell and the camera lens that the enclosure interior is arranged in；It is provided with camera aperture on the shell,
The camera aperture is for exposing the camera lens；Shell around the camera aperture protrudes from the camera lens.
Further, the micro- expression acquisition device of above-mentioned human face further includes Wifi module, router and computer, described
Wifi module is arranged on the chassis, and the Wifi module receives the image of described image preprocessing module, converts it into
Wireless signal is launched；The router receives the wireless signal of the Wifi module and transmits it to the computer.
Further, the micro- expression acquisition device of above-mentioned human face further includes power module, and the power module is described
Display screen, photosensitive sensor, control module, steering engine, camera, image pre-processing module and Wifi module provide electric energy.
Preferably, the bracket is scalability bracket.
Preferably, the photosensitive sensor is 2, is separately positioned on the camera shooting both sides of head.
Preferably, the chassis is discoid.
The utility model has the following beneficial effects:
In the utility model, testee's head held earphone (discharge external interference) observes the video occurred in display screen；It takes the photograph
As head acquisition measured's facial expression, image pre-processing module is sent it to, video interception is pre-processed；After pretreatment
Image through wireless transmission be eventually sent to computer, computer judges the classification of image, and finally provides measured's mood shape
State (the big expression of the mankind seven: contempt, is detested, is surprised sad, frightened, glad, indignation)；Thus judge the psychology of measured at that time
Activity；If ambient enviroment such as illumination etc. changes in image acquisition process, control module receives two senses above display screen
The signal of optical sensor determines the moving direction of acquisition device, then controls according to the light signal that two photosensitive sensors transmit
Servo driving universal wheel processed is mobile, and acquisition device is moved to the suitable position of illumination, continues Image Acquisition.Photosensitive driving
Device can accurate judgement light problem, and can move freely, light source effect can be improved；And the shell around camera aperture is convex
For camera lens, guarantee to improve the quality of acquisition image without surveying light interference in collection process.The device utilizes big data, net
The superior resources such as network realize the identification rapidly and efficiently of the micro- expression of human face.
Detailed description of the invention
Fig. 1 is micro- expression recognition apparatus structural schematic diagram in the prior art；
Fig. 2 is the structural schematic diagram of the micro- expression acquisition device of human face of the utility model；
Fig. 3 is the structural schematic diagram of the camera of the micro- expression acquisition device of human face of the utility model；
Fig. 4 is each section connection relationship diagram of the micro- expression acquisition device of human face of the utility model；Wherein, arrow
Head indicates electric wire connection, and solid line indicates to connect by signal wire；Dotted line is represented to be connected by wireless signal；
Fig. 5 is the image processing flow figure of the micro- expression acquisition device of human face of the utility model；
Fig. 6 is the work flow diagram of the photosensitive driving device of the micro- expression acquisition device of human face of the utility model.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
On the one hand, the utility model provides a kind of micro- expression acquisition device of human face, as in Figure 2-4, including chassis
4, photosensitive driving device, the display screen 7 of the bracket 6 that is mounted on chassis 4 and setting on the frame 6 are provided at the top of display screen 7
Camera 9, is additionally provided with image pre-processing module 5 on chassis 4, camera 9 acquire data be sent to image pre-processing module 5 into
Row pretreatment；
Photosensitive driving device includes the photosensitive sensor 8 for being mounted on 7 top of display screen, the control mould being arranged on chassis 4
Block 2, and it is mounted on the universal wheel 10 of 4 bottom of chassis and the steering engine 11 for driving universal wheel 10 to rotate；
Camera 9 includes shell 9-1 and the camera lens (not shown) being arranged in inside shell 9-1；Camera lens is provided on shell
Hole 9-2, camera aperture are used for exposure lens；Shell around camera aperture 9-2 protrudes from camera lens, and shell protrudes from camera lens 15-30mm.
In the utility model, testee's head held earphone (discharge external interference) observes the video occurred in display screen；It takes the photograph
As head acquisition measured's facial expression, image pre-processing module is sent it to, video interception is pre-processed；After pretreatment
Image through wireless transmission be eventually sent to computer, computer judges the classification of image, and finally provides measured's mood shape
State (the big expression of the mankind seven: contempt, is detested, is surprised sad, frightened, glad, indignation)；Thus judge the psychology of measured at that time
Activity；If ambient enviroment such as illumination etc. changes in image acquisition process, control module receives two senses above display screen
The signal of optical sensor determines the moving direction of acquisition device, then controls according to the light signal that two photosensitive sensors transmit
Servo driving universal wheel processed is mobile, and acquisition device is moved to the suitable position of illumination, continues Image Acquisition.Photosensitive driving
Device can accurate judgement light problem, and can move freely, light source effect can be improved；And the shell around camera aperture is convex
For camera lens, guarantee to improve the quality of acquisition image without surveying light interference in collection process.The device utilizes big data, net
The superior resources such as network realize the identification rapidly and efficiently of the micro- expression of human face.
Further, the micro- expression acquisition device of above-mentioned human face further includes Wifi module 1, router 12 and computer
13, Wifi modules 1 are arranged on chassis 4, and image pre-processing module 5 receives the image that camera 9 transmits, then Wifi module 1
The image for receiving image pre-processing module 5, converts it into wireless signal and launches；Router 12 receives Wifi module 1
Wireless signal simultaneously transmits it to computer 13.Image pre-processing module 5 and camera 9, Wifi module 1 and image preprocessing mould
Block 5 is connected by signal wire, and Wifi module 1 and router 12, router 12 and computer 13 are all to pass through wireless communication
Number connection, convenient for the quick transmission of image.
Further, the micro- expression acquisition device of above-mentioned human face further includes power module 3, and power module 3 is display screen
7, photosensitive sensor 8, control module 2, steering engine 11, camera 9, image pre-processing module 5 and Wifi module 1 provide electric energy.Electricity
It between source module 3 and each part mentioned above is connected by electric wire, is between control module 2 and photosensitive sensor 8 and steering engine 11
Signal wire connection, institute is wired to be arranged at chassis interior or internal stent, avoids the exposed influence of line beautiful, prevents simultaneously
Aging circuit extends the service life of device.
Preferably, photosensitive sensor 8 is 2, is separately positioned on 9 two sides of camera, control module can be photosensitive according to two
The light signal difference of sensor transmissions, determines the moving direction of acquisition device, then controls the movement of servo driving universal wheel, will
Acquisition device is moved to the suitable position of illumination, continues Image Acquisition.
As another preferred embodiment of the utility model, bracket 1 is scalability bracket, it is in the prior art can
Retractility bracket, repeats no more again.The scalability of bracket, can be aobvious according to adjusting the case where the height of tester
The height of display screen and camera.
As another preferred embodiment of the utility model, chassis 4 be it is discoid, be easier compared to rectangular chassis
Avoidance.
The image processing flow of the micro- expression acquisition device of the human face of the utility model as shown in figure 5, specifically include as
Under several processes:
Facial expression image acquires (S1): the facial expression image sequence of measured is acquired by camera, camera surrounding contains
There is shell, it is not damaged on the one hand to can protect camera；On the other hand the light for laterally entering camera lens can be blocked, effectively solved
Certainly ambient light interference problem obtains more good facial expression image sequence.
Facial expression image pre-processes (S2): carrying out corresponding normalized, including geometry normalizing to S1 acquired image
Change and gray scale normalization.Geometrical normalization is also referred to as position correction, is to find one group of invariant parameter using the not bending moment of image to make
It can be avoided the influence that other transforming function transformation functions convert image, it will be helpful to correction due to image-forming range or face posture
Size difference and angle tilt caused by variation, and face dimensional variation and face Rotation are solved with this；Then gray scale
Normalizing solves the problems, such as that gray difference caused by uneven illumination is big.
Feature extraction (S3): extracting image using improved local binary patterns (DLBP), obtains effective special
Sign point.
Tagsort (S4): operation is carried out to characteristic point using ELM algorithm, realizes the classification to image.
Expression judgement (S5): by the expression classification to great amount of images, finally judge the expression shape change of measured, push away
The psychological condition of disconnected measured out.
In facial expression image collection process, ambient lighting intensity changes, and the control module on pedestal receives photosensitive biography
The signal of sensor, control servo driving universal wheel is mobile, and acquisition device is moved to the suitable position of illumination, image is carried out and adopts
Collection, is specifically shown in Fig. 6.
Control module used in the utility model is model: IAP15F2K61S2 single-chip microcontroller；Photosensitive sensor is type
Number: TELESKY photosensitive resistance sensor；Camera is model: TELESKY ov7670 camera module.Each part mentioned above exists
There is sale in the market, no longer illustrate one by one herein.
To sum up, the micro- expression acquisition device of the human face of the utility model sends out image processing module treated picture
Computer is given, using superior resources such as big data, networks, improves the ability of expression picture identification, it is high-efficient, speed is fast.Dress
It sets because that can move freely, therefore it is more preferable to improve lighting effect.The device camera take around shell protrude from pick-up lens, hide
Lateral light is kept off, lateral light interference problem is solved, improves the quality of acquisition image.Data line, power supply line between module is complete
Portion is built-in and inside chassis more can protect route while beautiful and clean, slows down aging circuit, and enhancement device uses the longevity
Life.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, it can also make several improvements and retouch, these improvement
It also should be regarded as the protection scope of the utility model with retouching.
Claims (5)
1. a kind of micro- expression acquisition device of human face, which is characterized in that including chassis, photosensitive driving device, be mounted on it is described
The display screen of bracket on chassis and setting on the bracket, is provided with camera at the top of the display screen, on the chassis
It is additionally provided with image pre-processing module, the camera acquisition data are sent to described image preprocessing module and are pre-processed；
The photosensitive driving device includes the control for being mounted on the photosensitive sensor at the top of the display screen, being arranged on the chassis
Molding block, and it is mounted on the universal wheel of the tray bottom and the steering engine for driving universal wheel to rotate；
The camera includes shell and the camera lens that the enclosure interior is arranged in；Camera aperture is provided on the shell, it is described
Camera aperture is for exposing the camera lens；Shell around the camera aperture protrudes from the camera lens；
The micro- expression acquisition device of human face further includes Wifi module, router and computer, the Wifi module setting
On the chassis, the Wifi module receives the image of described image preprocessing module, converts it into wireless signal transmitting
It goes out；The router receives the wireless signal of the Wifi module and transmits it to the computer.
2. the micro- expression acquisition device of human face according to claim 1, which is characterized in that the micro- expression of human face
Acquisition device further includes power module, and the power module is the display screen, photosensitive sensor, control module, steering engine, camera shooting
Head, image pre-processing module and Wifi module provide electric energy.
3. the micro- expression acquisition device of human face according to claim 2, which is characterized in that the bracket is scalability
Bracket.
4. the micro- expression acquisition device of human face according to claim 3, which is characterized in that the photosensitive sensor is 2
It is a, it is separately positioned on the camera shooting both sides of head.
5. the micro- expression acquisition device of human face according to claim 4, which is characterized in that the chassis is discoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820533264.7U CN208255900U (en) | 2018-04-16 | 2018-04-16 | A kind of micro- expression acquisition device of human face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820533264.7U CN208255900U (en) | 2018-04-16 | 2018-04-16 | A kind of micro- expression acquisition device of human face |
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| Publication Number | Publication Date |
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| CN208255900U true CN208255900U (en) | 2018-12-18 |
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| CN201820533264.7U Expired - Fee Related CN208255900U (en) | 2018-04-16 | 2018-04-16 | A kind of micro- expression acquisition device of human face |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112261258A (en) * | 2020-10-20 | 2021-01-22 | 深圳信息职业技术学院 | Image identification data acquisition equipment |
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2018
- 2018-04-16 CN CN201820533264.7U patent/CN208255900U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112261258A (en) * | 2020-10-20 | 2021-01-22 | 深圳信息职业技术学院 | Image identification data acquisition equipment |
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Granted publication date: 20181218 Termination date: 20190416 |