CN203773562U - Portable two-eye iris image acquisition and processing equipment - Google Patents
Portable two-eye iris image acquisition and processing equipment Download PDFInfo
- Publication number
- CN203773562U CN203773562U CN201420054691.9U CN201420054691U CN203773562U CN 203773562 U CN203773562 U CN 203773562U CN 201420054691 U CN201420054691 U CN 201420054691U CN 203773562 U CN203773562 U CN 203773562U
- Authority
- CN
- China
- Prior art keywords
- iris
- iris image
- treatment facility
- pair
- image acquiring
- 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 - Lifetime
Links
- 238000012545 processing Methods 0.000 title claims abstract description 12
- 230000000007 visual effect Effects 0.000 claims abstract description 10
- 230000002452 interceptive effect Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 abstract 4
- 210000000554 iris Anatomy 0.000 description 96
- 238000005516 engineering process Methods 0.000 description 6
- 210000001747 pupil Anatomy 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 210000000162 simple eye Anatomy 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 210000001161 mammalian embryo Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000003786 sclera Anatomy 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Image Input (AREA)
Abstract
The utility model provides portable two-eye iris image acquisition and processing equipment, which comprises a casing, a pair of infrared optical filters, a visual feedback screen, illumination units, an image acquisition unit and a circuit board unit. The infrared optical filters are arranged in the front of the casing at positions corresponding to the two eyes; the visual feedback screen is clamped between the two infrared optical filters, and arranged in the front of the casing, and displays acquired eye images and other interactive information in real time; the illumination units are used for illuminating an iris area and respectively arranged right behind the infrared optical filters; the image acquisition unit is positioned around or near the illumination units and acquires iris images of the left and right eyes of a user at the same time; and the circuit board unit is positioned in the inner rear portion of the casing, and processes and stores the acquired iris images.
Description
Technical field
The utility model relates to living things feature recognition and field of information security technology, relates in particular to a kind of portable Binoculus iris image acquiring and treatment facility.
Background technology
Iris is the circular region between black pupil and white sclera in human eye, presents abundant texture.The research of a large amount of medical science and computer science shows, the iris texture of different eyes (right and left eyes and the twinborn eyes that comprise people) is different, and from embryo, form latter 8 months and just stablize constant, thereby iris has advantages of that uniqueness is high, stability is strong.In addition, iris is the visible internal in a kind of outside, because of and there is non-offensive advantage.These advantages make iris be particularly suitable for people's authentication and identification, and are successfully applied to the identity authentication of the occasions such as airport, customs, bank.
The first step of iris recognition technology is exactly obtaining of iris image, and this is also more difficult step simultaneously, needs the integrated application of light, mechanical, electrical technology.Due to the special nature of iris, little (the about 11mm of mean diameter) of area and different ethnic group color distortion are large, and general image capture method cannot be shot and can be used for the iris image of identification.Iris recognition must adopt camera lens and the active illumination that magnification is larger.Westerner's iris color is more shallow, visible illumination just can, and Asians's iris color is darker, must adopt infrared illumination just can obtain image clearly.
Traditional iris image acquisition device is divided into simple eye collecting device and eyes collecting device.Early stage equipment mostly is simple eye collection, mainly comprises active illumination unit, camera lens and annex, and imager chip etc.Yet, because people's eyes have dividing of dominant eye and secondary eye, when people sees thing conventionally, take dominant eye as main, can cause like this use of simple eye equipment relatively difficult.The iris of both eyes equipment occurring is afterwards used more natural than simple eye iris equipment, make iris image obtain and processing is more prone to, the application of iris recognition technology is had very important significance.
Because the operand of iris recognition process is very large, separately carry out iris capturing and iris recognition iris identification equipment production commercial city the earliest, iris capturing is completed by special iris capturing equipment, iris recognition is placed in central server carries out, and such way has caused the deployment of iris authentication system to have certain limitation.Rise along with embedded system, people are more and more higher to the requirement of iris identification equipment, there is computing independence, portable, low-power consumption, volume is little, rich interface, be easy to install and dispose, the iris identification equipment with networked function, data security and mobile interconnecting function is the developing direction of iris recognition technology from now on.
Therefore, need a kind of energy to solve the in-problem iris authentication systems in aspect such as the ubiquitous image acquisition difficulty of existing iris authentication system, ease for use, security, movability and portability.
Utility model content
The purpose of this utility model is to provide a kind of portable iris image acquiring and treatment facility, and described equipment comprises: split type shell, and front is seen as elongated glasses shape, and cutting is from the side first half shell and latter half of shell; A pair of infrared fileter, described infrared fileter is arranged in leptosomatic first half shell front side two ends, and corresponding to people's eyes location arrangements, the distance between described a pair of infrared fileter is approximately the distance between people's eyes position; Visual feedback screen, described visual feedback screen is clipped between described a pair of infrared fileter, is arranged in described first half shell front side middle part, shows in real time eye image and other interactive information collecting; A pair of lighting unit, for illuminating iris region, correspondence is arranged in the dead astern of described a pair of infrared fileter respectively; Image acquisition units, is positioned at around described lighting unit, gathers user's right and left eyes iris image simultaneously; Circuit board unit, is positioned at described latter half of shell, and the iris image collecting is stored and image processing.
Preferably, described display screen is the LCDs with multi-point touch function.
Preferably, described circuit board unit also comprises data transmission unit, and described data transmission unit is transferred to other computing machines by iris information by USB interface, WIFI or GPRS interface and is further processed and is sent to iris authentication center and authenticate.
Preferably, image acquisition units comprises the cmos sensor module that a resolution is 5,000,000, and tight shot focal length is 16mm, and object distance is 300mm.
Preferably, lighting unit comprises a pair of infrared LED array.
The utility model has been realized the Real-time Collection of iris of both eyes image, increases the processing operation that low power processor carries out iris image at device interior simultaneously, introduce as charging cell module again, thus ease for use, security and the portability of lifting iris authentication system.
The description and the follow-up detailed description that should be appreciated that aforementioned cardinal principle are exemplary illustration and explanation, should the restriction to the claimed content of the utility model with do.
Accompanying drawing explanation
With reference to the accompanying drawing of enclosing, the more object of the utility model, function and advantage are illustrated the following description by the utility model embodiment, wherein:
Fig. 1 shows the appearance effect schematic diagram according to portable iris image acquiring of the present utility model and treatment facility;
Fig. 2 schematically shows according to the decomposition diagram of the portable iris image acquiring of the utility model embodiment and treatment facility;
Fig. 3 shows according to portable iris image acquiring of the present utility model and treatment facility and is positioned at the system schematic that long-range iris authentication center communicates;
Fig. 4 schematically shows according to the structured flowchart of another example of the portable iris image acquiring of the utility model embodiment and treatment facility.
Embodiment
By reference to one exemplary embodiment, the purpose of this utility model and function and will be illustrated for realizing the method for these objects and function.Yet the utility model is not limited to following disclosed one exemplary embodiment; Can to it, be realized by multi-form.The essence of instructions is only to help various equivalent modifications Integrated Understanding detail of the present utility model.
Hereinafter, embodiment of the present utility model will be described with reference to the drawings.In the accompanying drawings, identical Reference numeral represents same or similar parts, or same or similar step.Below in conjunction with drawings and Examples, the utility model is further detailed.
Below show according to iris image acquiring of the present utility model and treatment facility 100.
Fig. 1 shows the appearance effect schematic diagram according to portable iris image acquiring of the present utility model and treatment facility, the decomposition diagram that Fig. 2 is this equipment.
As shown in Figure 1, according to portable iris image acquiring of the present utility model and the similar a pair of glasses for the treatment of facility 100 profile, be slender type.As shown in Figure 2, according to portable iris image acquiring of the present utility model and treatment facility 100, comprise infrared fileter 111 and 111 ', lighting unit 112 and 112 ', image acquisition units 113, visual feedback screen 114, circuit board unit 115 and shell 118.
Whole outer casing frontispiece is seen as elongated glasses shape, and cutting is from the side first half shell and latter half of shell.Infrared fileter 111 and 111 ' is arranged in shell 118 front portions, and corresponding to people's eyes location arrangements, the distance between described a pair of infrared fileter is approximately the distance between people's eyes position.Visual feedback screen 114 is clipped between infrared fileter 111 and 111 ', is also arranged in shell 118 front portions, is convenient to and user interactions.Lighting unit 112 and 112 ' is for illuminating iris region, and correspondence is arranged in infrared fileter 111 and 111 ' rear respectively, is positioned at image acquisition units 113 around or side.Lighting unit can be comprised of infrared LED array.
Visual feedback screen 114 adopts 3.0 inches of semi-transparent semi-reflecting glass, can show in real time the eye image or other the necessary information that collect.Image acquisition units 113 comprises the cmos sensor module that a resolution is 5,000,000, tight shot focal length is 16mm, object distance is 300mm, gathers user's right and left eyes iris image simultaneously, and the vision signal of output is directly transferred in circuit board unit 115 and processes.Collecting unit 113 has certain acquisition angles and field depth, can guarantee to collect user's clear iris image in a big way.Circuit board unit 115 is positioned at equipment rear portion, and the iris image collecting is carried out to image processing and storage.
Iris image acquiring and treatment facility 100 used 112 pairs of client iris of infrared LEDs to throw light on when taking user's iris image, on display screen 114 by directly the content feed collecting to user, guides user positions adjustment.Also can gather more information, as not only shown user's eye, also show user's face simultaneously, further facilitate user to aim at simultaneously.
This embodiment has realized simple Binoculus iris image acquiring and image is processed, iris information after processing is transferred to other computing machines by USB interface, WIFI or GPRS interface and is further processed and is sent to iris authentication center and authenticate, effectively reduce the manufacturing cost of iris capturing equipment, can be widely used in the higher social security of security level required, bank, gate inhibition, computer login system.
Fig. 3 shows according to portable iris image acquiring of the present utility model and treatment facility and is positioned at the system schematic that long-range iris authentication center communicates.As shown in Figure 3, according to portable iris image acquiring of the present utility model and treatment facility 100 for collect gathered person's iris image information in this locality, iris image after the iris original image collecting or rough handling is sent to iris authentication center 200 by communication network 300, iris authentication center is after receiving the iris image or iris feature that requires authentication, iris image is carried out to further feature extraction processing, then compare with the Characteristic Contrast database of iris authentication center 200 storages, identity with judgement gathered person, then collection result is sent back to iris capturing equipment 100 by network again and inform authentication result, complete identification and the verification process of iris image feature.
According to iris image acquiring of the present utility model and treatment facility 100, be designed to elongated glasses shape, whole positive horizontal and vertical size is slightly larger than the size of people's eyes substantially, farthest dwindled the volume of equipment, be convenient for carrying use, can be used as flow-type iris capturing equipment and be applied to multiple occasion, identity authentication service such as community-based population, the identity identifying and authenticating services of the public place such as hospital, school etc., the personnel that are responsible for authentication can carry easily according to iris image acquiring of the present utility model and treatment facility 100 and carry out certification work.
Fig. 4 is that whole equipment 700 consists of infrared fileter 701, infrared LED 702, collecting unit 703, display screen 704, arithmetic element 705, data transmission unit 706, storage unit 707 and power supply unit 708 according to the portable Binoculus iris image acquiring of two collecting unit GPRS type of another embodiment of the present utility model and the core component diagram for the treatment of facility 700.
Infrared LED 702 is in infrared fileter 701 rears, be positioned at around collecting unit 703 or side, by infrared LED array, formed, the intensity of LED lamp can be controlled by arithmetic element 705, be used for illuminating iris region, display screen 704 adopts 3.7 inches of touch-screens, can show in real time the eye image or other the necessary information that collect, also can carry out information interaction with equipment.Collecting unit 703 comprises the cmos sensor module that two resolution are 640*480, tight shot focal length is 30mm, object distance is 300mm, level interval between two camera lenses is 65mm, gather user's right and left eyes iris image, the vision signal of output is directly transferred in the arithmetic element 705 on main circuit board and processes simultaneously.Arithmetic element 705 is positioned at equipment rear portion, to the iris image collecting position, cut apart, the processing such as compression, and result is stored in storage unit 707, or carries out data transmission by data transmission unit 706 and other computing machines.For example, arithmetic element 705 operation built-in Linux operating systems, storage unit 707 adopts Flash chip, and data transmission unit 706 adopts GPRS module to carry out wireless transmission.Power supply unit 708 adopts 5V, 5200mA polymer lithium rechargeable battery, and assurance system is being full of electric in the situation that and can normally working 4 hours.
Equipment is used 702 pairs of client iris of infrared LED to throw light on when taking user's iris image, on display screen 704 by directly the content feed collecting to user, guides user positions adjustment.Also can gather more information, as not only shown user's eye, also show user's face simultaneously, further facilitate user to aim at simultaneously.
Can be by controlling the visible light intensity sending by display screen 704, because human eye is responsive to visible ray, pupil can regulate according to visible ray illumination, pupil size in the time of can adjusting the approaching registration of pupil when identifying on the one hand according to this characteristic, changes pupil and causes that the impact of iris texture nonlinearities change minimizes.On the other hand, also can carry out living body iris detection according to the variation of pupil, avoid the irises such as artificial eye to forge.
This embodiment has realized the Binoculus iris image acquiring under mobile internet environment, iris image is transferred to other computing machines by GPRS interface to be processed and is sent to iris authentication center and authenticate, iris authentication system usable range is promoted greatly, for setting up national iris identity authorization system, provide assurance, can be widely used in the higher social security of security level required, bank, gate inhibition, be open to the custom, the system such as examination.
The utility model has the advantage of:
1. simple in structure, compact appearance, is easy to carry.
2. by display screen and user, undertaken alternately, guiding user locates adjustment, improves recognition efficiency.
3. can gather user's right and left eyes iris image simultaneously, carry out simple image processing, iris information after processing is transferred to other computing machines by USB interface, WIFI or GPRS interface and is further processed and is sent to iris authentication center and authenticate, and effectively reduces the manufacturing cost of iris capturing equipment.
Above-mentioned explanation has fully disclosed specific embodiments of the present utility model.It is pointed out that being familiar with any change that person skilled in art does specific embodiments of the present utility model does not all depart from the scope of claims of the present utility model.Accordingly, the scope of claim of the present utility model is also not limited only to told specific embodiments.
Claims (6)
1. portable Binoculus iris image acquiring and a treatment facility, described equipment comprises:
Split type shell, front is seen as elongated glasses shape, and cutting is from the side first half shell and latter half of shell;
A pair of infrared fileter, described infrared fileter is arranged in leptosomatic first half shell front side two ends, and corresponding to people's eyes location arrangements, the distance between described a pair of infrared fileter is approximately the distance between people's eyes position;
Visual feedback screen, described visual feedback screen is clipped between described a pair of infrared fileter, is arranged in described first half shell front side middle part, shows in real time eye image and other interactive information collecting;
A pair of lighting unit, for illuminating iris region, correspondence is arranged in the dead astern of described a pair of infrared fileter respectively;
Image acquisition units, is positioned at around described lighting unit, gathers user's right and left eyes iris image simultaneously; With
Circuit board unit, is positioned at described latter half of shell, and the iris image collecting is stored and image processing.
2. iris image acquiring as claimed in claim 1 and treatment facility, wherein said visual feedback screen is semi-transparent semi-reflecting minute surface or the LCDs with multi-point touch function.
3. iris image acquiring as claimed in claim 1 and treatment facility, wherein said circuit board unit also comprises data transmission unit, and described data transmission unit is transferred to other computing machines by iris information by USB interface, WIFI or GPRS interface and is further processed and is sent to iris authentication center and authenticate.
4. iris image acquiring as claimed in claim 1 and treatment facility, wherein image acquisition units comprises at least one cmos sensor module.
5. iris image acquiring as claimed in claim 1 and treatment facility, wherein lighting unit comprises a pair of infrared LED array.
6. iris image acquiring as claimed in claim 1 and treatment facility, wherein said circuit board unit comprises arithmetic element, storage unit and power supply unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054691.9U CN203773562U (en) | 2013-02-06 | 2014-01-28 | Portable two-eye iris image acquisition and processing equipment |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320070783.1 | 2013-02-06 | ||
| CN201320070783 | 2013-02-06 | ||
| CN201420054691.9U CN203773562U (en) | 2013-02-06 | 2014-01-28 | Portable two-eye iris image acquisition and processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203773562U true CN203773562U (en) | 2014-08-13 |
Family
ID=51290726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420054691.9U Expired - Lifetime CN203773562U (en) | 2013-02-06 | 2014-01-28 | Portable two-eye iris image acquisition and processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203773562U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107784255A (en) * | 2016-08-30 | 2018-03-09 | 北京亮亮视野科技有限公司 | Wear-type client iris information collecting device |
| CN109190610A (en) * | 2018-11-15 | 2019-01-11 | 茂莱（南京）仪器有限公司 | Single channel iris detection equipment |
-
2014
- 2014-01-28 CN CN201420054691.9U patent/CN203773562U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107784255A (en) * | 2016-08-30 | 2018-03-09 | 北京亮亮视野科技有限公司 | Wear-type client iris information collecting device |
| CN107784255B (en) * | 2016-08-30 | 2024-05-14 | 北京亮亮视野科技有限公司 | Head-wearing type user iris information acquisition equipment |
| CN109190610A (en) * | 2018-11-15 | 2019-01-11 | 茂莱（南京）仪器有限公司 | Single channel iris detection equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204542052U (en) | For the handset type constructional device of fundus imaging | |
| CN103150565A (en) | Portable two-eye iris image acquisition and processing equipment | |
| WO2016184107A1 (en) | Wearable apparatus for sight line focus positioning and method for sight line focus positioning | |
| CN109840475A (en) | Face identification method and electronic equipment | |
| CN209328043U (en) | With the electronic equipment shielded comprehensively | |
| CN209170442U (en) | Electronic equipment with high screen accounting | |
| CN205318022U (en) | Wearable intelligent vision enhancement equipment | |
| CN103729981A (en) | Child sitting posture monitoring intelligent terminal | |
| CN101533473B (en) | Equipment for acquisition and processing of binocular iris images with single USB interfaces | |
| CN103049744A (en) | User recognition device for access control | |
| CN103106401A (en) | Mobile terminal iris recognition device with human-computer interaction mechanism and method | |
| CN104143086A (en) | Application technology of portrait comparison to mobile terminal operating system | |
| CN104992141A (en) | Smart biological feature monitoring assembly and method based on double-iris, stereoscopic human face and vocal print recognition | |
| CN102799878B (en) | Iris face fusion acquisition device | |
| CN205485072U (en) | Wear -type display device | |
| CN207037682U (en) | A kind of iris image acquiring device of alternately polishing | |
| CN110059585B (en) | Virtual reality equipment with iris acquisition function | |
| CN105320941A (en) | Biometric identification apparatus based on fusion of iris and human face and biometric identification method using apparatus | |
| CN104992163A (en) | Optical device for simultaneously acquiring human face image and iris image and identity authentication method thereof | |
| WO2017112310A1 (en) | Facial contour recognition for identification | |
| CN205540806U (en) | Three -dimensional facial image recognition device | |
| CN105205481A (en) | Iris recognition equipment | |
| CN104751156A (en) | Dimmable finger vein image acquiring system | |
| CN103679878A (en) | Access control system based on finger vein recognition | |
| CN202533963U (en) | Single image sensor binocular iris identification equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |
|
| CX01 | Expiry of patent term |