CN106557762A - A kind of personal identification device with recognition of face and fingerprint identification function - Google Patents
A kind of personal identification device with recognition of face and fingerprint identification function Download PDFInfo
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- CN106557762A CN106557762A CN201611145920.8A CN201611145920A CN106557762A CN 106557762 A CN106557762 A CN 106557762A CN 201611145920 A CN201611145920 A CN 201611145920A CN 106557762 A CN106557762 A CN 106557762A
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- face
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- personal identification
- light source
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1324—Sensors therefor by using geometrical optics, e.g. using prisms
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
- G06V40/166—Detection; Localisation; Normalisation using acquisition arrangements
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- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Optics & Photonics (AREA)
- Image Input (AREA)
- Collating Specific Patterns (AREA)
Abstract
The present invention discloses a kind of personal identification device with recognition of face and fingerprint identification function, the face fingerprint recognition arithmetic system for including fingerprint acquisition system, man face image acquiring system and being connected with above-mentioned each system, and the man face image acquiring system includes a secondary light source and electronic image acquisition means, the man face image acquiring system is provided with a dynamic regulation light filling circuit that the secondary light source intensity is controlled to adjust according to ambient light intensity.The present invention can greatly improve quality of human face image and improve the picking rate of image.
Description
Technical field
The present invention relates to field of biological recognition, more particularly to a kind of personnel's body with recognition of face and fingerprint identification function
Part identifying device.
Background technology
With the continuous development of science and technology, requirement of the people to safety precaution also more and more higher, meanwhile, national method of correlation
Laws & Regulations are also required that strengthens safety precaution work in the way of precaution by persons, equipment and techniques combines.In this context, face
Image recognition technology is also in national security, military security and public security, the administration of justice, civil administration, finance, civil aviaton, customs, border, port, guarantor
The field practical application row such as dangerous and civilian has arrived application.Such as:Public security deploy to ensure effective monitoring and control of illegal activities monitoring, prison monitoring, judicial certification, civil aviaton's safety check,
Entry and exit of the port control, customs's authentication, bank's authentication, smart identity cards, intelligent entrance guard, intelligent video monitoring, intelligence come in and go out
Control, the checking of driver's driving license, all kinds of bank cards, fiscard, the credit card, the authentication of the holder of deposit card, social insurance
Authentication etc..
Facial image is used for identity and differentiates to have the advantage that:First, it is a kind of high universality, contactless can adopt
The important biomolecule feature of collection.With the extensive application of video in network technology and table, image capture device is becoming personal meter
The standard peripherals of calculation machine, either static facial image, or dynamic face sequence, its collection are all abnormal convenient;And people
The condition that the contactless collection of face image is undoubtedly provided convenience for special applications such as security protections again.Secondly, facial image is people
Pattern the most universal in class vision, the visual information for being reflected person to person exchange and contacts in play the role of it is important and
Meaning.People in daily life, recognize around the most of people be facial image, thus facial image identification is one
Plant and be easiest to received identity identifying method.However, receiving ambient, skin color, facial hair, hair style, glasses, expression
Change with attitude affects, and simple facial image identification is judged by accident and refuses to sentence large percentage, used as two kinds of main bio-identification
The more difficult high level need for meeting client of machine of technology, simple fingerprint or the identification of simple facial image.Thus, collect face figure
As the technologies such as identification, Fingerprint recognition are increasingly closed by people in the combined equipment of the multiple-authentication mode of one
Note.
In man face image acquiring system, light is the key factor for affecting discrimination, due to being made with traditional visible ray
For light source, then, when ambient is weaker, time of exposure need to be improved, and gathers image slowly, and it is not good picture quality easily occur
The problems such as, therefore, in prior art, simple light source, such as infrared ray, purple mostly are for the light source in man face image acquiring system
Outside line, and visible ray is abandoned, but environment indoors, for other light sources, its content is relatively low for simple light source, it is also difficult to
Reach satisfied image effect.
The content of the invention
The technical problem to be solved is:A kind of fingerprint identification device with face identification functions is provided, should
Device can greatly improve quality of human face image and improve the picking rate of image.
To solve above-mentioned technical problem, the present invention is adopted the following technical scheme that:
A kind of personal identification device with recognition of face and fingerprint identification function, include fingerprint acquisition system,
Man face image acquiring system and the face fingerprint recognition arithmetic system being connected with above-mentioned each system, and the facial image is adopted
Collecting system includes a secondary light source and electronic image acquisition means, and the man face image acquiring system is provided with one according to environment
Light intensity controls to adjust the dynamic regulation light filling circuit of the secondary light source intensity.
The invention has the beneficial effects as follows:
Embodiments of the invention by man face image acquiring system arrange a dynamic regulation light filling circuit, so as to big
Improve greatly picture quality and image acquisition speed.
The present invention is described in further detail below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is one enforcement of personal identification device with recognition of face and fingerprint identification function that the present invention is provided
The composition structure chart of example.
Fig. 2 is one enforcement of personal identification device with recognition of face and fingerprint identification function that the present invention is provided
The appearance assumption diagram of example.
Specific embodiment
The fingerprint identification device with face identification functions that the present invention is provided is described in detail below with reference to Fig. 1 and Fig. 2
One embodiment.
As illustrated, the present embodiment mainly includes a kind of personnel identity with recognition of face and fingerprint identification function knowing
Other device, include fingerprint acquisition system 1, man face image acquiring system 2, and the face fingerprint that is connected with above-mentioned each system know
Other arithmetic system 3, man face image acquiring system 2 include a secondary light source 21 and electronic image acquisition means 22, in addition, face
Image capturing system 2 is provided with a dynamic regulation light filling circuit that 21 intensity of secondary light source is controlled to adjust according to ambient light intensity
23rd, and data communication interface 24.
When implementing, the electronic image acquisition means 22 include the optical lens 221, cmos image being sequentially connected
Sensor 222;And secondary light source 21 includes infrared LED array 211, and adjusts electricity with infrared LED array 211 and dynamic light filling
The PWM drive circuit 212 that road 23 is connected, wherein, the collection of cmos image sensor 222 is coloured image.Dynamic regulation light filling
The control cmos image sensor 222 of circuit 23 gathers the strength information of environment light source, and according to default parameter to light-source brightness
After offset is calculated, control 212 output pwm signal of PWM drive circuit carries out pulse width modulation control infrared LED array
211 luminous intensity light filling.The dynamic regulation light filling circuit 23 protects can the human body face light source that carry out facial image identification
Hold under conditions of stablizing at one, reduce the change of system exposure parameter, be relatively fixed exposure parameter, so as to raising system
Extract image several times, solve
Problem.Data communication interface 24 adopts USB interface, and secondary light source 22 adopts infrared or ultraviolet light source, its light filling to make
With system can effectively carry out recognition of face mainly by external environmental light source lighting, during home light source lighting, and client can set
Light filling is carried out for automatic mode.
When implementing, the face fingerprint recognition arithmetic system 3 of the present embodiment uses ARM arithmetic processor circuits,
Which is connected with 2 road locking control signal outputs, Wiegand26 outputs, alarm output device 4 etc., and adopts master-slave mode dual-CPU architecture:
Host CPU is made up of 32 624MHz ARM MIXBIO600 CPU;From CPU connect respectively liquid crystal display, 4x4 keyboards, it is real-time when
5 circuit of the peripheral hardwares such as clock, to read user's keyboard operation data, real time clock data and transmission information to be shown etc., and conduct
The pilot controller of system, when host CPU breaks down cisco unity malfunction, still can control face Fingerprint recognition from CPU
Arithmetic element carries out necessary work, so as to improve the reliability of system.
When implementing, high diffuser panel before infrared LED array 211, is equipped with, under diffuser panel effect, forms uniform
Planar light source, during installation, the projecting direction of optical lens 221 and secondary light source 21 with human body into 32 ° of angles, by setting height(from bottom)
Adjustment so that when personnel normally make the system, secondary light source 21 is had a certain degree with face's planar shaped of people, effectively
Solve as the personnel's lens surface worn glasses causes perpendicular to secondary light source 21 that the reflection light of lens surface is too strong, office
Portion's image supersaturation and cause cmos image sensor 222 not collect the problem of effective eye image etc..
In addition, the optical filter movement that the present embodiment is also included combination type narrow band pass filter 223 and is connected with optical filter 223
Device 224, optical filter 223 may include infrared fileter and visible filter, may be provided at 222 rear of cmos image sensor
Or be embedded in optical lens 221.
When implementing, optical filter mobile device 224 may particularly include:Wrap magnet exciting coil, the line of optical filter 223
Circle input lead and coil voltage control circuit described in coil voltage control circuit (not shown) are input into by the coil
Wire is the voltage that the coil is input into opposed polarity, is that Magnet in the magnet exciting coil produces the power of different directions and makes optical filtering
Piece is moved to different directions;When implementing, the optical filter mobile device 224 can arrange two critical gain values, its basis
The yield value that system is automatically adjusted judges that system works in daytime or night mode, and the above-mentioned mode of operation of correspondence with different sides
Formula mobile spectral filter, can quickly complete switching between black and white man face image acquiring pattern and photochrome drainage pattern real
Existing picture is logged in and facial image recognizes dual operation.For the environment that environment light source is changed greatly, using special filter plate come
It is optimized, reduces impact of the environment light source to system;And for environment light source changes little environment, then optical filter can be moved
Open, directly compared using visible ray light filling.
When implementing, the Fingerprint recognition of the present embodiment, facial image recognize that two kinds of checking compound modes can be appointed
Meaning combination works or works independently simultaneously.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. a kind of personal identification device with recognition of face and fingerprint identification function, includes fingerprint acquisition system, people
Face image acquiring system and the face fingerprint recognition arithmetic system being connected with above-mentioned each system, and the man face image acquiring
System includes a secondary light source and electronic image acquisition means, it is characterised in that:The man face image acquiring system is provided with
The one dynamic regulation light filling circuit that the secondary light source intensity is controlled to adjust according to ambient light intensity.
2. there is the personal identification device of recognition of face and fingerprint identification function as claimed in claim 1, its feature exists
In the face fingerprint recognition arithmetic system adopts ARM arithmetic processors.
3. there is the personal identification device of recognition of face and fingerprint identification function as claimed in claim 2, its feature exists
In the electronic image acquisition means include optical lens, cmos image sensor and the data communication being sequentially connected and connect
Mouthful;The secondary light source includes infrared LED array and adjusts what circuit was connected with the infrared LED array and dynamic light filling
PMW drive circuits.
4. there is the personal identification device of recognition of face and fingerprint identification function as claimed in claim 3, its feature exists
In the projecting direction and human body of the optical lens and secondary light source is into 32 ° of angles.
5. there is the personal identification device of recognition of face and fingerprint identification function as claimed in claim 3, its feature exists
In, the optical filter mobile device that the device is also included combination type narrow band pass filter and is connected with the optical filter, and the filter
Mating plate is arranged on the cmos image sensor rear or is embedded in the optical lens.
6. there is the personal identification device of recognition of face and fingerprint identification function as claimed in claim 5, its feature exists
In the optical filter mobile device includes magnet exciting coil, coil input lead and the coil voltage control for wrapping optical filter
Circuit.
7. there is the personal identification device of recognition of face and fingerprint identification function as claimed in claim 2, its feature exists
In the outfan of the face fingerprint recognition arithmetic element is connected with 2 tunnel lock control output devices.
8. there is the personal identification device of recognition of face and fingerprint identification function as claimed in claim 3, its feature exists
In the data communication interface is USB interface.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107483706A (en) * | 2017-07-18 | 2017-12-15 | 广东欧珀移动通信有限公司 | Mode control method and related product |
CN108197452A (en) * | 2017-12-29 | 2018-06-22 | 郑州琼佩电子技术有限公司 | A kind of more level of confidentiality integrated form information security exchange methods |
CN109120860A (en) * | 2018-09-11 | 2019-01-01 | 昆山星际舟智能科技有限公司 | Microcosmic adapting to image processing method |
CN109886240A (en) * | 2019-03-01 | 2019-06-14 | 厦门狄耐克智能科技股份有限公司 | A kind of building talkback gateway machine face identification mechanism |
CN111292455A (en) * | 2020-03-05 | 2020-06-16 | 深圳市君利信达科技有限公司 | Customs gate detection system based on face and fingerprint identification |
CN113011318A (en) * | 2021-03-16 | 2021-06-22 | 南京新知艺测科技有限公司 | Identity recognition system in on-computer evaluation |
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CN201438308U (en) * | 2009-07-31 | 2010-04-14 | 深圳市中控生物识别技术有限公司 | Fingerprint identification device with human face identification function |
CN201522710U (en) * | 2009-10-19 | 2010-07-07 | 深圳市中控生物识别技术有限公司 | Face and fingerprint identification apparatus |
CN203689590U (en) * | 2013-10-09 | 2014-07-02 | 四川空港知觉科技有限公司 | Personnel identity recognition equipment |
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CN101102193A (en) * | 2007-07-23 | 2008-01-09 | 汪铁良 | Network enthrallment system method with face recognition and fingerprint recognition |
CN201438308U (en) * | 2009-07-31 | 2010-04-14 | 深圳市中控生物识别技术有限公司 | Fingerprint identification device with human face identification function |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107483706A (en) * | 2017-07-18 | 2017-12-15 | 广东欧珀移动通信有限公司 | Mode control method and related product |
CN108197452A (en) * | 2017-12-29 | 2018-06-22 | 郑州琼佩电子技术有限公司 | A kind of more level of confidentiality integrated form information security exchange methods |
CN109120860A (en) * | 2018-09-11 | 2019-01-01 | 昆山星际舟智能科技有限公司 | Microcosmic adapting to image processing method |
CN109886240A (en) * | 2019-03-01 | 2019-06-14 | 厦门狄耐克智能科技股份有限公司 | A kind of building talkback gateway machine face identification mechanism |
CN111292455A (en) * | 2020-03-05 | 2020-06-16 | 深圳市君利信达科技有限公司 | Customs gate detection system based on face and fingerprint identification |
CN113011318A (en) * | 2021-03-16 | 2021-06-22 | 南京新知艺测科技有限公司 | Identity recognition system in on-computer evaluation |
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