CN207164775U - A kind of iris identification device and terminal - Google Patents
A kind of iris identification device and terminal Download PDFInfo
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- CN207164775U CN207164775U CN201721223281.2U CN201721223281U CN207164775U CN 207164775 U CN207164775 U CN 207164775U CN 201721223281 U CN201721223281 U CN 201721223281U CN 207164775 U CN207164775 U CN 207164775U
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- iris
- infrared light
- light compensating
- compensating lamp
- processor
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Abstract
The utility model embodiment is related to iris recognition technology field, and in particular to a kind of iris identification device and terminal, device are applied to terminal, and terminal includes being stored with the first processor of iris information, and device includes：Iris image acquiring device, the first infrared light compensating lamp, the second infrared light compensating lamp and second processor.The utility model embodiment by two infrared light compensating lamps by being set in qually spaced in iris image acquiring device both sides and two infrared light compensating lamps and iris image acquiring device are located on straight line, two infrared light compensating lamps carry out light filling to iris image acquiring device, can extend iris image acquiring distance；And iris image processing and iris recognition are individually carried out by newly-increased iris image processor (second processor), iris recognition speed can be improved.
Description
Technical field
The utility model embodiment is related to iris recognition technology field, and in particular to a kind of iris identification device and terminal.
Background technology
Iris is the visual annular tissue between human eye pupil and the white of the eye, is a kind of lifelong identity mark of reliable human-body biological
Know, iris recognition technology is a kind of biometrics identification technology based on human eye iris recognition, and it is relative to face recognition technology
There is higher accuracy and security with fingerprint identification technology.The iris image acquiring distance of current iris identification device is logical
It is often short distance (20cm or so), iris image acquiring visual angle is narrow viewing angle, while the iris recognition used time is longer that (used time is 1.2
More than second).
With becoming increasingly popular for intelligent terminal (such as smart mobile phone), iris recognition technology is higher by fingerprint as level of security
Identification and the technology of recognition of face, it is trend to be grafted onto intelligent terminal, and from the point of view of the size of intelligent terminal and application scenarios,
Iris identification device needs to realize the iris image acquiring of remote (40-50cm) iris image acquiring and wide viewing angle, simultaneously
Need the speed of raising iris recognition (used time is within 1.2 seconds).
The description of the above-mentioned discovery procedure to problem, it is only used for auxiliary and understands the technical solution of the utility model, not generation
Table recognizes that the above is prior art.
Utility model content
In order to solve the above-mentioned technical problem or at least in part solves above-mentioned technical problem, the utility model embodiment carries
A kind of iris identification device and terminal are supplied.
In view of this, in a first aspect, the utility model embodiment provides a kind of iris identification device, applied to terminal, institute
Stating terminal includes first processor, and iris information is stored with the first processor, it is characterised in that including：Iris image
Collector, the first infrared light compensating lamp, the second infrared light compensating lamp and second processor；
Iris image acquiring device, the first infrared light compensating lamp and the second infrared light compensating lamp are located on straight line, and iris figure
As collector is arranged between the first infrared light compensating lamp and the second infrared light compensating lamp, and the first distance is equal to second distance；It is described
First distance is the distance between iris image acquiring device and the first infrared light compensating lamp；The second distance is iris image acquiring
The distance between device and the second infrared light compensating lamp；
Iris image acquiring device, the first infrared light compensating lamp, the second infrared light compensating lamp and second processor connect first respectively
Processor；Second processor carries out iris knowledge based on the iris image that the iris information gathers to the iris image acquiring device
Not, and by iris recognition result it is sent to the first processor.
Optionally, the iris image acquiring device, first infrared light compensating lamp and second infrared light compensating lamp are located at
The same face of the terminal, and the optical axis of the optical axis of the iris image acquiring device, first infrared light compensating lamp and described
The optical axis of two infrared light compensating lamps is each perpendicular to the face.
Optionally, the visual angle of the iris image acquiring device collection image is 120 °.
Optionally, first distance and the second distance are 15mm.
Optionally, the wavelength phase for the infrared light that first infrared light compensating lamp and second infrared light compensating lamp are sent
Together.
Optionally, the wavelength of the infrared light is 850nm or more than 850nm.
Second aspect, the utility model embodiment also propose a kind of terminal, including first processor, the first processor
In be stored with iris information, the terminal also includes iris identification device as described in relation to the first aspect.
Compared with prior art, the iris identification device and terminal that the utility model embodiment proposes, by infrared by two
Light compensating lamp is set in qually spaced in iris image acquiring device both sides, and two infrared light compensating lamps and iris image acquiring device are located at one
On bar straight line, two infrared light compensating lamps carry out light filling to iris image acquiring device, can extend iris image acquiring distance；And lead to
Cross newly-increased iris image processor and individually carry out iris image processing and iris recognition, iris recognition speed can be improved so that rainbow
Film identifies the used time within 1.2 seconds.
Further, the iris identification device and terminal that the utility model embodiment proposes, by being by two wavelength
Equidistantly (unilateral 15mm) is arranged on iris image acquiring device both sides for 850nm or infrared light compensating lamp more than 850nm, and two red
Outer light compensating lamp and iris image acquiring device is located on straight line, through experiment, unilateral 15mm and 850nm or more than 850nm
The power of infrared light iris capturing distance can be made to reach 40~50cm.
Further, the iris identification device and terminal that the utility model embodiment proposes, use visual angle as 120 ° of rainbow
Film image collector, add the visual angle of iris image acquiring.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, embodiment or prior art will be retouched below
The required accompanying drawing used is briefly described in stating, it should be apparent that, drawings in the following description are only the utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of iris identification device disclosed in the utility model embodiment.
Embodiment
It should be appreciated that specific embodiment described herein is not used to limit this only to explain the utility model
The protection domain of utility model.
As shown in figure 1, the utility model embodiment discloses a kind of iris identification device, applied to terminal 1, terminal 1 includes
First processor not shown in Fig. 1, iris information is stored with the first processor.Iris identification device includes：Iris figure
As the second processor not shown in collector 2, the first infrared light compensating lamp 3, the second infrared light compensating lamp 4 and Fig. 1.
Because iris identification device disclosed in the present embodiment is applied to terminal, the size limitation of terminal is considered, terminal can not
The infrared light compensating lamp of three and the above is set, and due to that only can not realize that distant range iris image is adopted with an infrared light compensating lamp
Collection, therefore iris identification device disclosed in the present embodiment only includes two infrared light compensating lamps.
In the present embodiment, iris image acquiring device 2, the first infrared light compensating lamp 3 and the second infrared light compensating lamp 4 are straight positioned at one
On line, and iris image acquiring device 2 is arranged between the first infrared light compensating lamp 3 and the second infrared light compensating lamp 4, and first distance etc.
In second distance；First distance is the distance between infrared light compensating lamp 3 of iris image acquiring device 2 and first；Described second
Distance is the distance between infrared light compensating lamp 4 of iris image acquiring device 2 and second.
In the present embodiment, iris image acquiring device 2, the first infrared light compensating lamp 3 and the second infrared light compensating lamp 4 are straight positioned at one
On line, it can be understood as the center of iris image acquiring device 2, the center of the first infrared light compensating lamp 3 and the second infrared light compensating lamp 4
It is centrally located on straight line.
It can be seen that iris identification device disclosed in the present embodiment, by the way that two infrared light compensating lamps are set in qually spaced in into iris
Image acquisition device both sides, and two infrared light compensating lamps and iris image acquiring device are located on straight line, two infrared light fillings
Lamp carries out light filling to iris image acquiring device, can extend iris image acquiring distance.
In the present embodiment, iris image acquiring device 2, the first infrared light compensating lamp 3, the second infrared light compensating lamp 4 and second processing
Device connects first processor respectively；The rainbow that second processor is gathered based on the iris information to the iris image acquiring device 2
Film image carries out iris recognition, and iris recognition result is sent into the first processor.
In the present embodiment, iris that second processor is gathered based on the iris information to the iris image acquiring device 2
Image carries out iris recognition, and iris recognition result is sent into the first processor, is specially：
First processor sends iris image process instruction to second processor, and second processor is received at iris image
After reason instruction, the iris image gathered to iris image acquiring device 2 is handled (Processing Algorithm continues to use existing algorithm)；At second
Reason device is disposed backward first processor feedback status information, and the status information is used to indicate that second processor completes iris figure
As processing；After first processor receives the status information, iris recognition instruction is sent to second processor, second processor connects
After receiving iris recognition instruction, the iris information based on first processor storage realizes that iris is known according to existing Algorithm of Iris Recognition
Not, and by iris recognition result first processor is sent to, first processor can store iris recognition result, can also know iris
Other result is shown by the display screen of terminal 1.
In the present embodiment, terminal 1 can be smart mobile phone.First processor can be already present processor in terminal 1,
Such as high pass master chip, high pass master chip coordinate other chips to may make up high-pass platform, such as the platform of high pass 8916.Second processing
Device is the processor increased newly in terminal 1, such as special iris image processor, such as SILICON companies
SII0680ACLU144 image processors.
It can be seen that terminal generally completes iris recognition by first processor in the prior art, because first processor can
Multiple functions are performed, therefore, terminal also can only be high priority by setting the priority of Algorithm of Iris Recognition in the prior art
To improve iris recognition speed, but the iris recognition used time is still longer (used time is more than 1.2 seconds).And disclosed in the present embodiment
Iris identification device, iris image processing and iris recognition (iris recognition calculation are individually carried out by newly-increased iris image processor
Method continues to use existing algorithm), iris recognition speed can be improved so that the iris recognition used time is within 1.2 seconds.
In the present embodiment, terminal 1 also includes camera 5 and receiver 6.Camera 5 and receiver 6 and the camera of existing terminal
It is identical with receiver, repeat no more.
In a specific example, the iris image acquiring device 2, the first infrared light compensating lamp 3 and second shown in Fig. 1 are red
Outer light compensating lamp 4 is located at the same face of terminal 1, as shown in Figure 1.The optical axis of iris image acquiring device 2, first infrared light compensating lamp 3
Optical axis and the optical axis of the second infrared light compensating lamp 4 are each perpendicular to the face.It will be appreciated by those skilled in the art that the setting side of optical axis
Formula can adjust according to the flexible shapes of terminal 1.
In a specific example, the visual angle that the iris image acquiring device 2 shown in Fig. 1 gathers image is 120 °.Can
See, iris identification device disclosed in the present embodiment, use visual angle to add iris image for 120 ° of iris image acquiring device and adopt
The visual angle of collection.
In a specific example, it is contemplated that the big light diverging of spacing, the small light of spacing focus on, and through experiment, spacing 15mm is
Most preferably, therefore, the first distance in the present embodiment shown in Fig. 1 and second distance are 15mm.
In a specific example, what the first infrared light compensating lamp 3 and the second infrared light compensating lamp 4 shown in Fig. 1 were sent
The wavelength of infrared light is identical.
In the present embodiment, the wavelength of infrared light is 850nm or more than 850nm.The power satisfaction 40 of 850nm infrared lamps~
50cm remote captures, it is more preferable more than 850nm effects, but be less than 850nm can also, effect reduces, but cost also reduces
.
To sum up, the iris identification device that above example proposes, by being 850nm or more than 850nm's by two wavelength
Equidistantly (unilateral 15mm) is arranged on iris image acquiring device both sides, and two infrared light compensating lamps and iris figure to infrared light compensating lamp
Picture collector is located on straight line, and through experiment, the power of unilateral 15mm and 850nm or the infrared light more than 850nm can make
Iris capturing distance reaches 40~50cm.
The utility model embodiment also provides a kind of terminal, including first processor, is stored with the first processor
Iris information, the terminal also include the iris identification device that any of the above embodiment proposes.
The effect and explanation of terminal disclosed in the present embodiment can be found in above iris identification device embodiment, and the present embodiment is not
Repeat again.
It should be noted that herein, the relational terms of such as " first " and " second " or the like are used merely to one
Individual entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operate it
Between any this actual relation or order be present.
Preferred embodiment of the present utility model is these are only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (7)
1. a kind of iris identification device, applied to terminal, the terminal includes first processor, is stored in the first processor
There is iris information, it is characterised in that including：Iris image acquiring device, the first infrared light compensating lamp, the second infrared light compensating lamp and second
Processor；
Iris image acquiring device, the first infrared light compensating lamp and the second infrared light compensating lamp are located on straight line, and iris image is adopted
Storage is arranged between the first infrared light compensating lamp and the second infrared light compensating lamp, and the first distance is equal to second distance；Described first
Distance is the distance between iris image acquiring device and the first infrared light compensating lamp；The second distance be iris image acquiring device with
The distance between second infrared light compensating lamp；
Iris image acquiring device, the first infrared light compensating lamp, the second infrared light compensating lamp and second processor connect the first processing respectively
Device；Second processor carries out iris recognition based on the iris image that the iris information gathers to the iris image acquiring device,
And iris recognition result is sent to the first processor.
2. device according to claim 1, it is characterised in that the iris image acquiring device, the first infrared light filling
Lamp and second infrared light compensating lamp are located at the same face of the terminal, and the optical axis of the iris image acquiring device, described
The optical axis of one infrared light compensating lamp and the optical axis of second infrared light compensating lamp are each perpendicular to the face.
3. device according to claim 1, it is characterised in that the visual angle of the iris image acquiring device collection image is
120°。
4. device according to claim 1, it is characterised in that first distance and the second distance are 15mm.
5. according to the device described in any one of Claims 1-4, it is characterised in that first infrared light compensating lamp and described
The wavelength for the infrared light that two infrared light compensating lamps are sent is identical.
6. device according to claim 5, it is characterised in that the wavelength of the infrared light is 850nm or is more than
850nm。
7. a kind of terminal, including first processor, iris information is stored with the first processor, it is characterised in that described
Terminal also includes the iris identification device as described in any one of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721223281.2U CN207164775U (en) | 2017-09-21 | 2017-09-21 | A kind of iris identification device and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721223281.2U CN207164775U (en) | 2017-09-21 | 2017-09-21 | A kind of iris identification device and terminal |
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| Publication Number | Publication Date |
|---|---|
| CN207164775U true CN207164775U (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721223281.2U Expired - Fee Related CN207164775U (en) | 2017-09-21 | 2017-09-21 | A kind of iris identification device and terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107480659A (en) * | 2017-09-21 | 2017-12-15 | 深圳普创天信科技发展有限公司 | A kind of iris identification device and terminal |
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2017
- 2017-09-21 CN CN201721223281.2U patent/CN207164775U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107480659A (en) * | 2017-09-21 | 2017-12-15 | 深圳普创天信科技发展有限公司 | A kind of iris identification device and terminal |
| WO2019056623A1 (en) * | 2017-09-21 | 2019-03-28 | 深圳普创天信科技发展有限公司 | Iris recognition device and terminal |
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Granted publication date: 20180330 Termination date: 20190921 |