CN208141396U - A kind of face identification device - Google Patents
A kind of face identification device Download PDFInfo
- Publication number
- CN208141396U CN208141396U CN201721863295.0U CN201721863295U CN208141396U CN 208141396 U CN208141396 U CN 208141396U CN 201721863295 U CN201721863295 U CN 201721863295U CN 208141396 U CN208141396 U CN 208141396U
- Authority
- CN
- China
- Prior art keywords
- face
- chip microcontroller
- infrared
- ultrasonic
- identification device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a kind of face identification devices, belong to technical field of face recognition.The face identification device includes：Ultrasonic sensing mechanism；Infrared induction mechanism；Single-chip microcontroller is connect with the ultrasonic sensing mechanism and infrared induction mechanism；Time movement is connect with the single-chip microcontroller.The utility model face identification device can three-dimensionally detect the concave-convex situation at each position of face, can effectively improve the sensitivity and accuracy of recognition of face by sound ranging.
Description
Technical field
The utility model relates to technical field of face recognition, in particular to a kind of face identification device.
Background technique
Face identification device of today compares (general designations of various computer calculations), infrared face image using image
Technologies such as (thermograms) uniquely determine identity.But under the influence of or ambient temperature poor for light, the spirit of these identification approach
Sensitivity and accuracy will will be greatly reduced.Or in the case where band adornment identification, whether machine can be accurately identified also with " figure
As comparing " it is insurmountable.Infrared thermogram in the prior art can with the variation of environment temperature, physiology and psychological factor and
Variation, so as to cause the sharply decline of infrared face recognition performance, influences the sensitivity and accuracy of recognition of face.
Utility model content
The utility model provides a kind of face identification device, solves or part solves infrared thermogram in the prior art
It can change with the variation of environment temperature, physiology and psychological factor, so as to cause the sharply decline of infrared face recognition performance,
The technical issues of influencing the sensitivity and accuracy of recognition of face.
In order to solve the above technical problems, the utility model provides a kind of face identification device includes：Ultrasonic sensing machine
Structure；Infrared induction mechanism；Single-chip microcontroller is connect with the ultrasonic sensing mechanism and infrared induction mechanism；Time movement, and it is described
Single-chip microcontroller connection；Wherein, the single-chip microcontroller sends enabling signal, the ultrasound to the ultrasonic sensing mechanism and time movement
Wave induction mechanism emits ultrasonic wave to face, and the face is reflected ultrasonic wave to the ultrasonic sensing mechanism, the ultrasonic wave
Ultrasonic signal after reflection is sent to the single-chip microcontroller by induction mechanism, and time signal is sent to described by the time movement
Single-chip microcontroller, the single-chip microcontroller send enabling signal to the infrared induction mechanism, and the infrared induction mechanism transmitting infrared ray is extremely
The face, for the face reflection infrared ray to the infrared induction mechanism, the infrared induction mechanism will be infrared after reflection
Line signal is sent to the single-chip microcontroller.
Further, the ultrasonic sensing mechanism includes：Supersonic generator is connect with the single-chip microcontroller；Ultrasonic wave
Receiver is connect with the single-chip microcontroller.
Further, the position of the supersonic generator is corresponding with the position of the ultrasonic receiver.
Further, energy converter is provided between the supersonic generator and ultrasonic receiver and the face.
Further, the energy converter includes：Energy converter is arranged in the supersonic generator and ultrasonic receiver
Between the face.
Further, the infrared induction mechanism includes：Infrared generator is connect with the single-chip microcontroller；Infrared ray connects
Device is received, is connect with the single-chip microcontroller.
Further, the position of the infrared generator is corresponding with the position of institute infrared receiver.
Further, the time movement includes：Timer is connect with the single-chip microcontroller.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages：
Since single-chip microcontroller is connect with ultrasonic sensing mechanism and infrared induction mechanism, time movement is connect with single-chip microcontroller, single
Piece machine sends enabling signal to ultrasonic sensing mechanism and time movement, and ultrasonic sensing mechanism emits ultrasonic wave to face, people
Face is reflected ultrasonic wave to ultrasonic sensing mechanism, and the ultrasonic signal after reflection is sent to the monolithic by ultrasonic sensing mechanism
Time signal is sent to single-chip microcontroller by machine, time movement, so, single-chip microcontroller is according to the ultrasonic signal and time signal after reflection
The each sense organ of face is obtained to the distance of ultrasonic sensing mechanism, the longitudinally opposed distance of each sense organ is then obtained, can survey
The concave-convex degree of facial contour and each sense organ out, single-chip microcontroller send enabling signal, infrared induction machine to infrared induction mechanism
Structure emits infrared ray to face, and face reflects infrared ray to infrared induction mechanism, and infrared induction mechanism is by the infrared ray after reflection
Signal is sent to single-chip microcontroller, so, single-chip microcontroller obtains facial contour according to the infrared ray that face reflects and each sense organ is rough flat
Face shape, single-chip microcontroller is by the concave-convex degree of the facial contour measured and each sense organ and obtains facial contour and each sense organ is big
The flat shape of cause makes facial image in three-dimensional space, greatly improves identification accuracy, can effectively improve recognition of face
Sensitivity and accuracy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of face identification device provided by the embodiment of the utility model；
Fig. 2 is the schematic diagram of face identification device provided by the embodiment of the utility model；
Fig. 3 is the schematic diagram of ultrasound data provided by the embodiment of the utility model processing；
Fig. 4 is the distribution map of ultrasonic wave measuring point provided by the embodiment of the utility model.
Specific embodiment
Referring to Fig. 1-4, the utility model embodiment provides a kind of face identification device and includes：Ultrasonic sensing mechanism 1,
Infrared induction mechanism 2, single-chip microcontroller 3 and time movement 4.
Single-chip microcontroller 3 is connect with ultrasonic sensing mechanism 1 and infrared induction mechanism 2.
Time movement 4 is connect with single-chip microcontroller 3.
Wherein, the single-chip microcontroller sends enabling signal, the ultrasonic wave to the ultrasonic sensing mechanism and time movement
Induction mechanism emits ultrasonic wave to face, and the face is reflected ultrasonic wave to the ultrasonic sensing mechanism, the ultrasonic wave sense
Answer mechanism that the ultrasonic signal after reflection is sent to the single-chip microcontroller, time signal is sent to the list by the time movement
Piece machine, the single-chip microcontroller send enabling signal to the infrared induction mechanism, and the infrared induction mechanism emits infrared ray to institute
State face, the face reflects infrared ray to the infrared induction mechanism, and the infrared induction mechanism is by the infrared ray after reflection
Signal is sent to the single-chip microcontroller.
The application specific embodiment is since single-chip microcontroller is connect with ultrasonic sensing mechanism and infrared induction mechanism, timing machine
Structure is connect with single-chip microcontroller, and single-chip microcontroller sends enabling signal, ultrasonic sensing mechanism hair to ultrasonic sensing mechanism and time movement
Ultrasonic wave is penetrated to face, face is reflected ultrasonic wave to ultrasonic sensing mechanism, and ultrasonic sensing mechanism is by the ultrasonic wave after reflection
Signal is sent to the single-chip microcontroller, and time signal is sent to single-chip microcontroller by time movement, so, single-chip microcontroller is according to super after reflection
Acoustic signals and time signal obtain each sense organ of face to the distance of ultrasonic sensing mechanism, then obtain the vertical of each sense organ
To relative distance, the concave-convex degree of facial contour and each sense organ can be measured, single-chip microcontroller is opened to the transmission of infrared induction mechanism
Dynamic signal, infrared induction mechanism emit infrared ray to face, and face reflects infrared ray to infrared induction mechanism, infrared induction mechanism
Infrared signal after reflection is sent to single-chip microcontroller, so, single-chip microcontroller according to the infrared ray that face reflects obtain facial contour and
Each rough flat shape of sense organ, single-chip microcontroller is by the concave-convex degree of the facial contour measured and each sense organ and obtains face
Profile and the rough flat shape of each sense organ make facial image in three-dimensional space, greatly improve identification accuracy, energy
Effectively improve the sensitivity and accuracy of recognition of face.
The structure of ultrasonic sensing mechanism is discussed in detail.
The ultrasonic sensing mechanism includes：Supersonic generator 1-1 and ultrasonic receiver 1-2.
The supersonic generator 1-1 is connect with the single-chip microcontroller 3, and the supersonic generator 1-1 receives the monolithic
The enabling signal that machine 3 is sent sends ultrasonic wave to face.
The ultrasonic receiver 1-2 is connect with the single-chip microcontroller 3, and the ultrasonic receiver 1-2 receives face reflection
Ultrasonic signal after reflection is sent to the single-chip microcontroller 3 by ultrasonic wave, the ultrasonic receiver 1-2.
The position of the supersonic generator 1-1 is corresponding with the position of the ultrasonic receiver 1-2.
Energy converter 5, institute are provided between the supersonic generator 1-1 and ultrasonic receiver 1-2 and the face
State energy converter 5 for amplify, filter, shaping ultrasonic wave.
The structure of energy converter is discussed in detail.
The energy converter includes：Energy converter 5-1.
The energy converter 5-1 is arranged between the supersonic generator and ultrasonic receiver and the face.
The structure of infrared induction mechanism is discussed in detail.
The infrared induction mechanism includes：Infrared generator 2-1 and infrared receiver 2-2.
The infrared generator 2-1 is connect with the single-chip microcontroller 3, and the infrared generator 2-1 receives the monolithic
The enabling signal that machine 3 is sent sends infrared ray to face.
The infrared receiver 2-2 is connect with the single-chip microcontroller 3, and the infrared receiver 2-2 receives face reflection
Infrared signal after reflection is sent to the single-chip microcontroller 3 by infrared ray, the infrared receiver 2-2.
The position of the infrared generator is corresponding with the position of institute's infrared receiver.
The structure of time movement is discussed in detail.
The time movement includes：Timer 4-1.
The timer 4-1 is connect with the single-chip microcontroller 3, is used for the 3 sending time signal of single-chip microcontroller.
The utility model embodiment is introduced in order to become apparent from, is given from the application method of the utility model embodiment below
It introduces.
Single-chip microcontroller 3 sends enabling signal to supersonic generator 1-1, and supersonic generator 1-1 passes through energy converter 5-1 to people
Each measuring point of face sends ultrasonic wave, and single-chip microcontroller 3 starts timer 4-1 and starts timing at this time, and ultrasonic wave encounters the measuring point of face
It reflects and is received by same energy converter 5-1 afterwards, after amplification, filtering, shaping, the ultrasonic wave that will reflect back into is sent to
Ultrasonic receiver 1-2, the ultrasonic signal that ultrasonic receiver 1-2 will reflect back into are sent to single-chip microcontroller 3, trigger single-chip microcontroller 3
Timer 4-1 is closed after receiving ultrasonic signal.It is each that the ultrasonic wave launch point of supersonic generator 1-1 is built in face
Sense organ face position, so that it may collect distance of each sense organ apart from recognition screen, spread speed is ultrasonic wave in air
340m/s records time t according to timer 4-1, so that it may which calculating distance s of the launch point away from face, (such as nose to ultrasonic wave is sent out
Give birth to the reference distance S of ultrasonic wave launch point of device 1-1, the relative distance of the relative distance S1 of mouth to nose, forehead to nose
The relative distance S3 of S2 and ear to nose), i.e. these data are inputted computer, any one sense organ conduct by s=340t/2
Reference point calculates the longitudinally opposed distance of each sense organ, which can measure the bumps of facial contour and each sense organ
Degree.
Single-chip microcontroller 3 sends enabling signal, each measuring point of the infrared generator 2-1 to face to infrared generator 2-1
Infrared ray is sent, infrared ray will reflect back into red after encountering face back to infrared receiver 2-2, infrared receiver 2-2
Outside line signal is sent to single-chip microcontroller 3, since the infra-red intensity that each position of face radiates is different, can detecte out face
Profile and the rough flat shape of each sense organ.By the concave-convex degree of the facial contour measured and each sense organ and detect
Facial image can be made in three-dimensional space after facial contour and the rough flat shape integration of each sense organ, greatly improved
Identification accuracy.
It should be noted last that the above specific embodiment is only to illustrate the technical solution of the utility model rather than limits
System, although the utility model is described in detail referring to example, those skilled in the art should understand that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (8)
1. a kind of face identification device, which is characterized in that including：
Ultrasonic sensing mechanism；
Infrared induction mechanism；
Single-chip microcontroller is connect with the ultrasonic sensing mechanism and infrared induction mechanism；
Time movement is connect with the single-chip microcontroller；
Wherein, the single-chip microcontroller sends enabling signal, the ultrasonic sensing to the ultrasonic sensing mechanism and time movement
Mechanism emits ultrasonic wave to face, and the face is reflected ultrasonic wave to the ultrasonic sensing mechanism, the ultrasonic sensing machine
Ultrasonic signal after reflection is sent to the single-chip microcontroller by structure, and time signal is sent to the monolithic by the time movement
Machine, the single-chip microcontroller send enabling signal to the infrared induction mechanism, and the infrared induction mechanism emits infrared ray to described
Face, the face reflect infrared ray to the infrared induction mechanism, and the infrared induction mechanism believes the infrared ray after reflection
Number it is sent to the single-chip microcontroller.
2. face identification device according to claim 1, which is characterized in that the ultrasonic sensing mechanism includes：
Supersonic generator is connect with the single-chip microcontroller；
Ultrasonic receiver is connect with the single-chip microcontroller.
3. face identification device according to claim 2, it is characterised in that：
The position of the supersonic generator is corresponding with the position of the ultrasonic receiver.
4. face identification device according to claim 2, it is characterised in that：
Energy converter is provided between the supersonic generator and ultrasonic receiver and the face.
5. face identification device according to claim 4, which is characterized in that the energy converter includes：
Energy converter is arranged between the supersonic generator and ultrasonic receiver and the face.
6. face identification device according to claim 1, which is characterized in that the infrared induction mechanism includes：
Infrared generator is connect with the single-chip microcontroller；
Infrared receiver is connect with the single-chip microcontroller.
7. face identification device according to claim 5, it is characterised in that：
The position of the infrared generator is corresponding with the position of institute's infrared receiver.
8. face identification device according to claim 1, which is characterized in that the time movement includes：
Timer is connect with the single-chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721863295.0U CN208141396U (en) | 2017-12-27 | 2017-12-27 | A kind of face identification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721863295.0U CN208141396U (en) | 2017-12-27 | 2017-12-27 | A kind of face identification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208141396U true CN208141396U (en) | 2018-11-23 |
Family
ID=64284302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721863295.0U Expired - Fee Related CN208141396U (en) | 2017-12-27 | 2017-12-27 | A kind of face identification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208141396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112989884A (en) * | 2019-12-16 | 2021-06-18 | 浙江宇视科技有限公司 | Personnel detection method, device, data processing equipment and storage medium |
-
2017
- 2017-12-27 CN CN201721863295.0U patent/CN208141396U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112989884A (en) * | 2019-12-16 | 2021-06-18 | 浙江宇视科技有限公司 | Personnel detection method, device, data processing equipment and storage medium |
| CN112989884B (en) * | 2019-12-16 | 2024-04-09 | 浙江宇视科技有限公司 | Personnel detection method, device, data processing equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI535265B (en) | Handheld device, object positioning method and computer-readable recording medium | |
| CN105866742B (en) | A kind of shell burst point positioning system and localization method | |
| CN108968905A (en) | Method, apparatus, system and the computer readable storage medium to give a test of one's eyesight | |
| CN105044676A (en) | Energy-based sound source localization method | |
| CN208141396U (en) | A kind of face identification device | |
| WO2022116467A1 (en) | Millimeter-wave radar-based non-contact identity recognition method and system | |
| CN105869251A (en) | Switchgear equipment and authentication method thereof as well as switch system | |
| CN107080524A (en) | Intelligent physical examination all-in-one | |
| KR101759444B1 (en) | Expression recognition sysyem and method using a head mounted display | |
| CN102197996B (en) | Method for obtaining pulse wave velocity of aorta by using pulse wave of radial artery | |
| CN110378274A (en) | A kind of living body finger print recognition methods, device and computer readable storage medium | |
| CN103514449B (en) | A kind of image collecting device and method | |
| CN114814832A (en) | Millimeter wave radar-based real-time monitoring system and method for human body falling behavior | |
| Vasconcelos et al. | Counting mosquitoes in the wild: An internet of things approach | |
| CN110353729B (en) | Sound wave transit time detection method based on bidirectional long-short term memory network | |
| CN206896773U (en) | A kind of remote throwing event automatic range unit of athletic competition | |
| CN104013401B (en) | A kind of human body electroencephalogram's signal and action behavior signal synchronous collection system and method | |
| CN107041840B (en) | Based on the ultrasonic imaging acupuncture point identifier of database table method and its recognition methods | |
| TW202107487A (en) | Vital sign signal matching method of biological object in image and vital sign signal matching system | |
| CN102670252B (en) | Intracranial pressure non-invasive measuring method and system | |
| CN109562012A (en) | Portable environment sensor device | |
| CN110261850B (en) | Imaging algorithm for tree internal defect detection data | |
| CN106303810A (en) | Sound bearing based on directional sound sensor judgment means and method | |
| CN206249339U (en) | Infrared detecting device and identity recognition device | |
| CN112261718B (en) | Indoor positioning method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181123 Termination date: 20191227 |