CN106339696A - Miniature anti-shake iris recognition module set and terminal device - Google Patents
Miniature anti-shake iris recognition module set and terminal device Download PDFInfo
- Publication number
- CN106339696A CN106339696A CN201610866438.7A CN201610866438A CN106339696A CN 106339696 A CN106339696 A CN 106339696A CN 201610866438 A CN201610866438 A CN 201610866438A CN 106339696 A CN106339696 A CN 106339696A
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- lens barrel
- miniature
- iris
- stabilization
- module set
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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
- G06V40/18—Eye characteristics, e.g. of the iris
- G06V40/19—Sensors therefor
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Studio Devices (AREA)
Abstract
The invention provides a miniature anti-shake iris recognition module set. The miniature anti-shake iris recognition module set comprises a camera module set body, a detection device and an anti-shake mechanism. When the module set shakes when being operated, the detection device on the camera module set body detects the displacement difference of the position of the optical axis of a lens inside a lens barrel on a photosensitive chip and the center position of the photosensitive chip; the displacement difference is converted into electrical signals, and the electrical signals are transmitted to a driving chip; the driving chip calculates displacement quantity to be compensated and controls current quantity on the coil of the lens barrel; and a magnetic attractive force or repulsive force is generated between a generated electromagnetic force and a magnetic substance, so that the relative displacement quantity of the lens barrel between the optical axis and the center position of the photosensitive chip can be compensated. According to the miniature anti-shake iris recognition module set provided by the invention, the miniature anti-shake mechanism is adopted, problems such as the problem of incapability of quickly recognizing iris images which is caused by the providing of external support and the tremble of the hands of people can be avoided, the one-time recognition success rate of a hand held iris terminal device can be improved, and an iris recognition process can be completed stably with one step.
Description
Technical field
The invention belongs to camera module technical field, set particularly to a kind of miniature stabilization iris identification module and terminal
Standby.
Background technology
In recent years, iris authentication system was applied in the middle of the safety verification of personal identification more and more.Iris identification system
System compared with fingerprint recognition system, highly appreciated because having outstanding discrimination and pinpoint accuracy by iris authentication system.Often
The angle of view used by iris recognition camera module of rule is generally all smaller, if camera lens occurs weak vibrations to may result in picture
Face is smudgy.And the stabilization mode of routine typically adopts the stabilization of external auxiliary formula to image support, or using having height
The common automatic focusing camera head that resolution image sensor is combined with voice coil motor.Because miniature iris identification module generally should
For hand-held terminal device, such as mobile phone, panel computer, wearable device etc., inevitably produce mirror when shooting iris image
Head shake, conventional stabilization mode is poorly suitable for miniature iris identification module, needs outside support to assist, or is frequently necessary to
Repeatedly shot and the optical axis of stationary lens could be adjusted to overlap with the center on sensitive chip, thus grabbing clear
Clear iris picture.Conventional stabilization mode leads to that the process of iris identification is slow more a lot of than fingerprint recognition, and Consumer's Experience is not so good.
Therefore, how to solve the problems, such as stabilization iris identification module one-off recognition, be that those skilled in the art are urgently to be resolved hurrily
Problem.
Content of the invention
The invention provides a kind of miniature stabilization iris identification module and terminal unit, carried miniature anti-in itself by module
Tremble mechanism, it is to avoid because of the need shooting problem such as provide outside support, hand tremor to lead to the iris picture cannot quickly to identify, can
Disposably complete iris identification process.
For solving above-mentioned technical problem, the present invention provides a kind of miniature stabilization iris identification module, comprising:
Camera module body, including lens barrel；
Detection means, is arranged on described camera module body, for detecting the optical axis of lens in described lens barrel in sense
Displacement difference between position on optical chip and the center of described sensitive chip；
Stabilization mechanism, including the driving chip being connected with described detection means, is arranged on this side of described camera module
The magnetisable material of wall and the coil being arranged on described lens barrel top, wherein, described driving chip is used for obtaining described displacement difference,
The displacement compensating according to needed for described displacement difference calculates described lens；Described driving chip can control described coil to produce
Electromagnetic force.
Preferably, in above-mentioned miniature stabilization iris identification module, also include can with respect to described optical axis closer or far from
Suspension shell fragment, described lens barrel is connected with described magnetisable material by described suspension shell fragment.
Preferably, in above-mentioned miniature stabilization iris identification module, described detection means is gyroscope.
Preferably, in above-mentioned miniature stabilization iris identification module, described gyroscope be 2 axle gyroscopes, 3 axle gyroscopes, 6
Axle gyroscope or 9 axle gyroscopes.
The present invention also provides a kind of terminal unit, applies above-mentioned miniature stabilization iris identification module.
Preferably, in above-mentioned terminal unit, described terminal unit is mobile phone, panel computer, notebook computer, swipes the card
Machine, wearable device OR gate access control system.
A kind of miniature stabilization iris identification module provided by the present invention, including camera module body, detection means and
Stabilization mechanism.When operating miniature iris identification module to shake, the detection means on camera module body detects lens barrel
Displacement difference between the position on sensitive chip and the center of sensitive chip for the optical axis of interior lens, displacement difference is converted into electricity
Signal is simultaneously sent to driving chip, and driving chip calculates the displacement needing to compensate, and driving chip is reached the standard grade by controlling lens barrel
The magnitude of current of circle, produces the electromagnetic force being suitable for, and with magnetisable material, magnetic attracting force or repulsive force occurs, and drives lens in lens barrel to send out
Raw displacement, and then order about lens barrel on the relative shift between the optical axis of stationary lens and the center of sensitive chip in addition
Compensate, correct the skew of optical path, thus being effectively prevented from the image fog producing because of shake.With respect to prior art, this
Miniature stabilization iris identification module and terminal unit that invention provides, by carrying miniature stabilization mechanism, it is to avoid because needing to provide
Outside support, the hand tremor shooting problem such as lead to iris picture cannot quickly identify, thus improve hand-held iris terminal set
A standby recognition success rate, can quickly, stably complete iris identification process.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing providing obtains other accompanying drawings.
Fig. 1 is the structural representation of miniature stabilization iris identification module provided by the present invention；
Fig. 2 is the structural representation when camera lens optical axis shift for the miniature stabilization iris identification module provided by the present invention
Figure；
Fig. 3 is miniature stabilization iris identification module provided by the present invention in the structural representation swinging camera lens optical axis timing
Figure；
Fig. 4 is the structural representation in translation camera lens optical axis timing for the miniature stabilization iris identification module provided by the present invention
Figure.
In figure: lens barrel 101, magnetisable material 301, suspension shell fragment 302, sensitive chip 303, optical axis 4.
Specific embodiment
The core of the present invention is to provide a kind of miniature stabilization iris identification module and terminal unit, is carried in itself by module
Miniature stabilization mechanism, it is to avoid ask because need provide outside support, hand tremor to lead to the iris picture cannot quickly to identify etc. to shoot
Topic, thus improve a recognition success rate of hand-held iris terminal unit.
In order that those skilled in the art more fully understands the technical scheme that the present invention provides, below in conjunction with accompanying drawing and
The present invention is described in further detail for specific embodiment.
Refer to Fig. 1 to Fig. 4, a kind of miniature stabilization iris identification module provided by the present invention, including camera module
Body, detection means and stabilization mechanism.Wherein, camera module body includes lens barrel 101.Detection means is arranged at shooting head mould
On group body, for detecting the center of the optical axis 4 of lens in lens barrel 101 position on sensitive chip 303 and sensitive chip 303
Displacement difference between position.Driving chip that stabilization mechanism includes being connected with detection means, it is arranged on this side of camera module
The magnetisable material 301 of wall and the coil being arranged on lens barrel 101 top, driving chip is used for obtaining displacement difference, according to displacement difference
Calculate the required displacement compensating.Driving chip is capable of the electromagnetic force of control coil generation.Magnetisable material 301 can be by magnetic field
Effect can produce the material of magnetic, produce active force by coil with magnetisable material 301, lens barrel 101 can be driven horizontal or vertical
Realize the optical anti-vibration of two dimensions to motion, optical axis 4 crosses in the center with sensitive chip 303 and overlaps.
When the end product operating miniature iris identification module is shaken, the built-in detection means of module detects lens barrel
Displacement difference, displacement difference is converted into the signal of telecommunication and is sent to driving chip, and driving chip calculates the displacement needing to compensate, and drives
Dynamic chip passes through to control the magnitude of current of lens barrel 101 coil, produces the electromagnetic force being suitable for, and occurs magnetic to inhale with magnetisable material 301
Gravitation or repulsive force, drive lens barrel 101 to be subjected to displacement, and then order about lens barrel 101 in stationary lens optical axis 4 and sensitive chip 303
The relative shift of center on be compensated for, correct optical path skew, thus be effectively prevented from because shake produce
Image fog.
In real life, under normal conditions, the camera lens of miniature stabilization iris identification module is in the state as Fig. 1, light
Axle 4 is overlapped with the center of sensitive chip 303, when camera lens is shaken, when offseting to the left or to the right, such as Fig. 2, or camera lens
Glance off, stabilization mechanism energy corrective lens position, so that camera lens is offset or translate, refer to Fig. 3 and Fig. 4, so that camera lens optical axis 4 is begun
It is in sensitive chip 303 center eventually, thus the picture of shooting clear.
With respect to prior art, the invention provides a kind of miniature stabilization iris identification module, carried in itself by module
Miniature stabilization mechanism, it is to avoid ask because need provide outside support, hand tremor to lead to the iris picture cannot quickly to identify etc. to shoot
Topic, thus improve a recognition success rate of hand-held iris terminal unit, can disposably, stably complete iris identification mistake
Journey.Have with the same convenience of fingerprint recognition, and higher person identification safety, consumer can be given more
Good, safer identification experience, possesses broad mass market prospect.
Miniature stabilization iris identification module also include can with respect to optical axis 4 closer or far from suspension shell fragment 302, Magnetic Materials
Matter 301 is arranged on lens barrel 101 side wall by suspension shell fragment 302.Miniature stabilization iris identification module in trimming process, magnetic
During the electromagnetic force of material 301 and lens barrel 101 coil occurs magnetic attracting force or repulsive force, suspension shell fragment 302 can
Swing with moving lens barrel 101 transverse translation, longitudinal translation or certain angle.
Further, detection means is gyroscope, i.e. angular-rate sensor.Gyroscope can be 2 axle gyroscopes, 3 axle gyros
Instrument, 6 axle gyroscopes or 9 axle gyroscopes.Additionally, gyroscope can also be the gyroscope of other number of axle, need according to practical application
Chosen, this application is not specifically limited.
Present invention also offers a kind of terminal unit, this terminal unit includes above iris recognition camera module.This is eventually
End equipment can be preferably mobile phone, panel computer, notebook computer, the POS, wearable device OR gate access control system etc..
The miniature stabilization iris identification module of terminal unit specifically includes that camera module body, detection means and prevents
Tremble mechanism.Detection means is arranged on camera module body, for detecting the motion track of camera module body.Stabilization machine
Structure is included the driving chip being connected with detection means, the magnetisable material 301 being arranged on lens barrel 101 side wall and is arranged on lens barrel
The coil on 101 tops, wherein, driving chip is used for obtaining motion track, the displacement compensating according to needed for motion track calculates；
Driving chip is also connected with coil.
Terminal unit provided by the present invention, using the miniature stabilization iris identification module in this programme, by module basis
Body carries miniature stabilization mechanism, it is to avoid because need provide outside support, hand tremor to lead to the iris picture cannot quickly to identify
Shooting problem, thus improve a recognition success rate of hand-held iris terminal unit, can disposably, stably complete iris and knowing
Other process.Have with the same convenience of fingerprint recognition simultaneously, and higher person identification safety, can give to disappear
More preferable, the safer identification experience of the person of expense, possesses broad mass market prospect.
Above a kind of miniature stabilization iris identification module provided by the present invention and terminal unit are described in detail.
Specific case used herein is set forth to the principle of the present invention and embodiment, and the explanation of above example is to use
Understand the method for the present invention and its core concept in help.It should be pointed out that for those skilled in the art,
Under the premise without departing from the principles of the invention, the present invention can also be carried out with some improvement and modify, these improve and modify
Fall in the protection domain of the claims in the present invention.
Claims (6)
1. a kind of miniature stabilization iris identification module is it is characterised in that include:
Camera module body, including lens barrel (101)；
Detection means, is arranged on described camera module body, for detecting the optical axis (4) of the interior lens of described lens barrel (101)
Displacement difference between the center of the position on sensitive chip (303) and described sensitive chip (303)；
Stabilization mechanism, including the driving chip being connected with described detection means, is arranged on described camera module body (1) side wall
Magnetisable material (301) and the coil being arranged on described lens barrel (101) top, wherein, described driving chip is used for obtaining institute
State displacement difference, the displacement compensating according to needed for described displacement difference calculates described lens；Described driving chip can control described
The electromagnetic force that coil produces.
2. miniature stabilization iris identification module according to claim 1 is it is characterised in that also include can be with respect to described light
Axle (4) closer or far from suspension shell fragment (302), described lens barrel (101) passes through described suspension shell fragment (302) and described Magnetic Materials
Matter (301) connects.
3. miniature stabilization iris identification module according to claim 1 is it is characterised in that described detection means is gyro
Instrument.
4. miniature stabilization iris identification module according to claim 3 is it is characterised in that described gyroscope is 2 axle gyros
Instrument, 3 axle gyroscopes, 6 axle gyroscopes or 9 axle gyroscopes.
5. a kind of terminal unit is it is characterised in that include the miniature stabilization iris identification mould described in any one of claim 1-4
Group.
6. terminal unit according to claim 5 is it is characterised in that described terminal unit is mobile phone, panel computer, notes
This computer, the POS, wearable device OR gate access control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610866438.7A CN106339696B (en) | 2016-09-29 | 2016-09-29 | Miniature anti-shake iris discernment module and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610866438.7A CN106339696B (en) | 2016-09-29 | 2016-09-29 | Miniature anti-shake iris discernment module and terminal equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106339696A true CN106339696A (en) | 2017-01-18 |
| CN106339696B CN106339696B (en) | 2020-12-15 |
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| CN201610866438.7A Active CN106339696B (en) | 2016-09-29 | 2016-09-29 | Miniature anti-shake iris discernment module and terminal equipment |
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Cited By (6)
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| CN108535471A (en) * | 2017-03-06 | 2018-09-14 | 广州万孚生物技术股份有限公司 | Immunofluorescence test light path mechanism, Immunofluorescence test instrument and its calibration method |
| CN108737737A (en) * | 2018-08-31 | 2018-11-02 | 信利光电股份有限公司 | A kind of stabilization camera module, its control method and electronic equipment |
| CN109278440A (en) * | 2018-09-25 | 2019-01-29 | 绵阳鼎飞益电子科技有限公司 | A kind of system write for parkinsonism patient |
| CN110351465A (en) * | 2019-07-18 | 2019-10-18 | 珠海格力电器股份有限公司 | Anti-shake camera module and anti-shake method thereof |
| CN111835951A (en) * | 2020-07-13 | 2020-10-27 | 杭州海康威视数字技术股份有限公司 | Adjusting method of shooting lens and shooting lens |
| CN114390203A (en) * | 2022-01-16 | 2022-04-22 | 昆山丘钛光电科技有限公司 | Anti-shake module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108535471A (en) * | 2017-03-06 | 2018-09-14 | 广州万孚生物技术股份有限公司 | Immunofluorescence test light path mechanism, Immunofluorescence test instrument and its calibration method |
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| CN111835951A (en) * | 2020-07-13 | 2020-10-27 | 杭州海康威视数字技术股份有限公司 | Adjusting method of shooting lens and shooting lens |
| CN114390203A (en) * | 2022-01-16 | 2022-04-22 | 昆山丘钛光电科技有限公司 | Anti-shake module |
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