CN103150565A - Portable two-eye iris image acquisition and processing equipment - Google Patents
Portable two-eye iris image acquisition and processing equipment Download PDFInfo
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- CN103150565A CN103150565A CN201310048183XA CN201310048183A CN103150565A CN 103150565 A CN103150565 A CN 103150565A CN 201310048183X A CN201310048183X A CN 201310048183XA CN 201310048183 A CN201310048183 A CN 201310048183A CN 103150565 A CN103150565 A CN 103150565A
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Abstract
The invention provides portable two-eye iris image acquisition and processing equipment, which comprises an acquisition unit, an illuminating unit, an interaction unit, a power supply unit, an arithmetic unit, an internal storage chip, a storage unit and a data transmission unit, wherein the acquisition unit comprises at least a set of optical lenses and an image acquisition chip and is used for acquiring iris information of users; the illuminating unit is used for providing illumination when the acquisition unit acquires the iris information; the interaction unit is used for providing an interaction function for the users, inputting user commands into the equipment and presenting information to the users; the power supply unit is used for supplying power to the equipment; the arithmetic unit is used for processing images acquired by the acquisition unit and giving out control commands to other units; the internal storage chip is used for storing information of the arithmetic unit during working; the storage unit is used for storing information which is not emptied after the equipment is powered off; and the data transmission unit is used for outputting iris image information acquired by the acquisition unit or the information processed by the arithmetic unit through an interface module.
Description
Technical field
The present invention relates to living things feature recognition and field of information security technology, relate in particular to a kind of portable Binoculus iris image acquiring and treatment facility.
Background technology
Iris is the circular zone between black pupil and white sclera in human eye, presents abundant texture.Studies show that of a large amount of medical science and computer science, the iris texture of different eyes (right and left eyes and the twinborn eyes that comprise the people) is different, and form rear 8 months and just stablize constant from the embryo, thereby iris has advantages of that uniqueness is high, stability is strong.In addition, iris is the visible internal in a kind of outside, thereby has again non-offensive advantage.These advantages make iris be particularly suitable for people's authentication and identification, and by the identity authentication that is applied to the occasions such as airport, customs, bank of success.
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, namely area little (mean diameter is 11mm approximately) and different ethnic group color distortion are large, and general image capture method can't be shot the iris image that can be used for identifying.Iris recognition must adopt the larger camera lens of magnification and active illumination.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, take dominant eye as main, can cause like this use of simple eye equipment relatively difficult when the people sees thing usually.The iris of both eyes equipment that occurs afterwards uses 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, has 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 in-problem iris authentication systems in aspect such as having the ubiquitous image acquisition difficulty of iris authentication system, ease for use, security, movability and portability now that can solve.
Summary of the invention
The object of the present invention is to provide a kind of portable iris image acquiring and treatment facility, described equipment comprises collecting unit, lighting unit, interactive unit, power supply unit, arithmetic element, memory chip, storage unit and data transmission unit, described collecting unit comprises at least one cover optical lens and image collection chip, is used for gathering user's iris information; Described lighting unit is used for providing illumination when described collecting unit gathers iris; Described interactive unit provides interactive function for the user, inputs instruction for the user to described equipment, and to user's presentation information; Described power supply unit is used to power devices; Described arithmetic element is processed the image that described collecting unit collects, and sends steering order to other unit; Information when described memory chip is used for storing described arithmetic element work; Described storage unit is used for being stored in the information that can not be cleared after device powers down; Described data transmission unit is used for iris image information that described collecting unit is collected or the information exchange after described arithmetic element is processed and crosses interface module and export.
Preferably, described interactive unit is the display screen with multi-point touch function.
Preferably, described interface module is selected from least a in USB interface, wired network interface, radio network interface, GPRS interface, 3G home control network communication protocol interface, 4G home control network communication protocol interface.
Preferably, when described interface module comprised at least two kinds of interfaces, described data transmission unit comprised that also the interface adaptation module is used for according to demand adaptive a kind of interface for described data transmission unit.
Preferably, which interface described data transmission unit has available by described interactive unit to user's prompting.
Preferably, described data transmission unit by monitor user ' the network insertion request and the corresponding interface module of automatic adaptation.
Preferably, described power supply unit comprises for the direct current load module of inputting externally fed and is used for output dc voltage for the direct current output module of described equipment and is connected to the Voltage stabilizing module that is used for voltage stabilizing therebetween.
Preferably, described power supply unit also is included as the electric battery of described power devices, and described electric battery comprises charge management module, rechargeable battery pack and boost module.
Preferably, the image that carries out of described arithmetic element is processed and is comprised that compression of images, cutting processing, mask are processed and coding is processed.
Preferably, described arithmetic element is selected from a kind of in the process chip of ARM chip, dsp chip, operation embedded Linux system.
The present invention has realized the Real-time Collection of iris of both eyes image, increases at device interior the processing operation that low power processor carries out iris image 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 not use the restriction of doing the claimed content of the present invention.
Description of drawings
With reference to the accompanying drawing of enclosing, the more purpose of the present invention, function and advantage will be illustrated by the following description of embodiment of the present invention, wherein:
Fig. 1 shows according to portable iris image acquiring of the present invention and treatment facility and is positioned at the system schematic that long-range iris authentication center communicates;
Fig. 2 schematically shows according to the portable iris image acquiring of the embodiment of the present invention and the structured flowchart for the treatment of facility;
Fig. 3 shows a kind of implementation according to power supply unit of the present invention;
Fig. 4 shows according to the structured flowchart of data transmission unit of the present invention and principle of work;
Fig. 5 is the core component diagram according to two collecting unit USB type equipment of embodiment of the present invention 1;
Fig. 6 is the core component diagram according to single collecting unit WIFI type equipment of embodiment of the present invention 2;
Fig. 7 is the core component diagram according to two collecting unit GPRS type equipment of embodiment of the present invention 3.
Embodiment
By the reference one exemplary embodiment, purpose of the present invention and function and be used for realizing that the method for these purposes and function will be illustrated.Yet the present invention is not limited to following disclosed one exemplary embodiment; Can be realized it by multi-form.The essence of instructions is only to help various equivalent modifications Integrated Understanding detail of the present invention.
Hereinafter, embodiments of the invention will be described with reference to the drawings.In the accompanying drawings, identical Reference numeral represents same or similar parts, perhaps same or similar step.Below in conjunction with drawings and Examples, the present invention is further detailed.
Fig. 1 shows according to portable iris image acquiring of the present invention and treatment facility and is positioned at the system schematic that long-range iris authentication center communicates.as shown in Figure 1, the iris image information that is used for collecting in this locality the gathered person according to portable iris image acquiring of the present invention and treatment facility 100, the iris original image that collects or the iris image after rough handling are sent to iris authentication center 200 by communication network 300, the iris authentication center is after receiving the iris image or iris feature that requires authentication, iris image is carried out further feature extraction to be processed, then compare with the Characteristic Contrast database of iris authentication center 200 storages, identity with the judgement gathered person, then collection result is sent back iris capturing equipment 100 by network again and inform authentication result, complete identification and the verification process of iris image feature.
alternatively, when the calculating of iris capturing and treatment facility 100 and processing power are not enough to offer iris authentication center 200 needed iris feature information, the iris image information that iris capturing and treatment facility 100 can be collected is sent to extra computing equipment 400 and carries out further computing, described calculated example is as extracting iris feature information from the iris image that collects, feature after extracting again sends it back iris image acquiring and treatment facility 100, and by iris image acquiring and treatment facility 100, iris feature information is sent to iris authentication center 200 and authenticate, and return to recognition result to iris image acquiring and treatment facility 100.
Be designed to portable small-sized movably equipment according to iris image acquiring of the present invention and treatment facility 100, therefore easy to 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 invention and treatment facility 100 and carry out certification work.
Fig. 2 schematically shows the structured flowchart according to the portable iris image acquiring of the embodiment of the present invention and treatment facility 100.Exemplarily, this equipment 100 comprises collecting unit 101, lighting unit 102, interactive unit 103, power supply unit 104, arithmetic element 105, memory chip 106, storage unit 107 and data transmission unit 108.Collecting unit 101, lighting unit 102, interactive unit 103, power supply unit 104, memory chip 106, storage unit 107 and data transmission unit 108 data line and/or the control line by separately respectively are connected with arithmetic element 105, are used for transmitting data and control signal.
Can be designed as independent portable mobile apparatus according to iris image acquiring of the present invention and treatment facility 100, also can be designed to can with the integrated Portable movable module of mobile computing device, in order to share some functional modules with mobile computing device, as the central processing unit that utilizes mobile computing device is as arithmetic element 105.Described mobile computing device is portable computer, smart mobile phone (for example iPhone mobile phone or Android mobile phone), multimedia terminal, panel computer (for example iPad) etc. for example.
Collecting unit 101 comprises at least one cover optical lens and image collection chip, and for example CMOS chip or CCD chip, be used for gathering user's eyes or simple eye iris information and processing by image collection chip by optical lens;
Interactive unit 103 for the user provides interactive function, is inputted instruction for the user to equipment under the control of described arithmetic element 105.And present the information such as information, iris image, authentication result to the user.Preferably, described interactive unit 103 is realized by the display screen with the multi-point touch function, in order to support simultaneously to touch input and Presentation Function.
Power supply unit 104 is that the equipment normal operation provides necessary and stable electric current output, comprises the control section that direct current is inputted, or can also the balancing cell group in order to be applicable to mobile application scenario.Fig. 3 has provided a kind of implementation of power supply unit, mainly comprises direct current load module 301, direct current output module 302 and Voltage stabilizing module 303.Power supply unit 104 according to the present invention can be operated under the direct current supply condition of 5V for example.Externally fed is converted into the required DC voltage of power supply unit 104 by direct current load module 301 with external electric energy, 5V for example, carry out voltage stabilizing by Voltage stabilizing module 303 again, each operational module that then offers iris image acquiring and treatment facility 100 by direct current output module 302 thinks that modules powers.
Preferably, the power supply of power supply input by electric battery be can't continue to obtain thereby power supply unit 104 can also comprise electric battery and iris image acquiring and treatment facility 100 work made.Electric battery comprises charge management module 304, rechargeable battery pack 305 and boost module 306.Electric battery can be selected first to charge and move the mode of using again, and when charging, charge management module 304 utilizes the direct current of direct current load module 301 inputs that rechargeable battery pack 305 is charged.At iris image acquiring and treatment facility 100 when the mobile occasion that continues the power supply supply is used, rechargeable battery pack 305 releases energy, electric current is by after boost module 306 and Voltage stabilizing module 303, for iris image acquiring and treatment facility 100 provide stable working current.Rechargeable battery pack 305 can adopt the common lithium battery in this area.
The central control unit of arithmetic element 105 for controlling and process, calculating, the processing of carrying out comprises the processing such as shears, compresses, cuts apart to the image that collects, extract iris feature, the comparison iris feature provides comparison result, and sends steering order to other unit and module.
According to the present invention, the chip that can come according to the consideration of the aspects such as the application scenario of iris image acquiring and treatment facility 100, power consumption, cost Selecting operation unit 105 neatly to use.For example, under the occasion that can't continue to obtain the power supply input, as outdoor, iris image acquiring and treatment facility 100 need electric battery to carry out the power supply of continuation, because battery capacity is limited, therefore require the power consumption of arithmetic element 105 lower, less energy intensive is to keep long normal operation.In this case, can select the chip of ARM system.Again for example, realize at lower cost iris image acquiring and treatment facility 100 at needs, and the occasion of using has in situation than the macroreticular bandwidth, the workload that needs image that iris image acquiring and treatment facility 100 carry out to process is less, optional with the comparatively simple dsp chip of function as arithmetic element 105.
Fig. 4 shows a kind of structured flowchart and principle of work of exemplary data transmission unit 108.Data transmission unit 108 comprises interface module 1081 and interface adaptation module 1082.Interface module 1081 is selected from least a in USB interface, cable network (as ICP/IP protocol) interface, wireless network (such as WiFi) interface, GPRS, 3G home control network communication protocol interface (as WCDMA agreement, CDMA2000 agreement, TDS-CDMA agreement etc.), 4G home control network communication protocol interface (as LTE agreement, TD-LTE agreement etc.) etc.Interface adaptation module 1082 is used for when interface module 1081 comprises two or more interface, according to a kind of interface of the adaptive optimums of situation such as occasion of user's needs or use for data transmission unit 108.Be understandable that, when the interface module 1081 of data transmission unit 108 only comprises a kind of interface, need not interface adaptation module 1082.
For example, wired network interface and GPRS wireless communication interface be equipped with according to the interface module 1081 of data transmission unit 108 of the present invention, when iris image acquiring and treatment facility 100 collect original image, the image size is about 300KB, interface adaptation module 1082 is selected the agreement of speed at this moment, transmit original image as wired network interface, to guarantee the real-time of identification; When iris image acquiring and treatment facility 100 collect original iris image and process image after generating the mask operation, the image size is about 2KB, and interface adaptation module 1082 is not in the situation that have wired network interface can select slow GPRS agreement to transmit iris image.
Alternatively, can to answer user's requirement to select which kind of interface to carry out adaptive for interface adaptation module 1082.Which interface data transmission unit 108 can be under the control of arithmetic element 105 have available by interactive unit 103 to user's prompting, and the user can be as required and the consideration of cost, independently selects required interface to carry out data transmission.Further alternatively, the network insertion request that data transmission unit 108 can be by monitor user ' and the corresponding interface module of automatic adaptation.For example, if in the time of on the computing equipment that the user will be inserted into other with iris image acquiring and the treatment facility 100 of USB interface, data transmission unit 108 can carry out follow-up data transmission with iris image acquiring and treatment facility 100 automatic adaptations to USB interface by interface adaptation module 1082 after monitoring the connection of USB interface; If the user has opened the 3G function of surfing the Net of iris image acquiring and treatment facility 100, whether iris image acquiring and treatment facility 100 can transmit the view data of iris capturing by interactive unit 103 prompting users by 3G network, if it is by interface adaptation module 1082, iris image acquiring and treatment facility 100 automatic adaptations to be carried out follow-up data transmission to the 3G interface that the user selects.
Embodiment 1-3 hereinafter shows three kinds according to iris image acquiring and the treatment facility 100 that can be applicable to different occasions, has nonidentity operation unit and interface module configuration of the present invention.Fig. 5-7 show respectively the physical layout schematic top plan view according to the iris image acquiring of these three kinds of embodiments and treatment facility 100.In the drawings, camera lens points to the left side eye position.
Embodiment 1:
The present embodiment has realized the portable Binoculus iris image acquiring of USB type and the treatment facility 500 of a kind of pair of collecting unit, Fig. 5 is the core component diagram of this embodiment equipment, and whole equipment 500 is made of infrared fileter 501, infrared LED 502, collecting unit 503, display screen 504, arithmetic element 505, data transmission unit 506.
Iris image acquiring and treatment facility 500 uses 502 pairs of client iris of infrared LEDs to throw light on when taking user's iris image, will be directly on display screen 504 the content feed that collects to the user, guides user positions adjustment.Simultaneously also can gather more information, as not only showing user's eye, also show simultaneously user's face, further facilitate the user to aim at.
Can control the visible light intensity that sends by display screen 504 by arithmetic element 505, because human eye is responsive to visible light, pupil can be regulated according to visible light illumination, pupil size in the time of can adjusting the approaching registration of pupil when identifying on the one hand according to this characteristic makes pupil change and causes that the impact of iris texture nonlinearities change minimizes.On the other hand, also can carry out living body iris according to the variation of pupil and detect, avoid the iris forgeries such as artificial eye.
This embodiment has realized simple Binoculus iris image acquiring, after carrying out simple image processing by arithmetic element, iris is transferred to other computing machines by USB interface to be further processed and to be sent to the 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.
Embodiment 2:
The present embodiment has realized the portable Binoculus iris image acquiring of a kind of single collecting unit WIFI type and treatment facility 600, Fig. 6 is the core component diagram of this embodiment equipment 600, and whole equipment 600 is made of infrared fileter 601, infrared LED 602, collecting unit 603, display screen 604, arithmetic element 605, data transmission unit 606, storage unit 607 and power supply unit 8.
Can use 602 pairs of client iris of infrared LEDs throw light on when taking user's iris image by arithmetic element 605, will be directly on display screen 604 the content feed that collects to the user, guides user positions adjustment.Simultaneously also can gather more information, as not only showing user's eye, also show simultaneously user's face, further facilitate the user to aim at.
Can control the visible light intensity that sends by display screen 604 by arithmetic element 605, because human eye is responsive to visible light, pupil can be regulated according to visible light illumination, pupil size in the time of can adjusting the approaching registration of pupil when identifying on the one hand according to this characteristic makes pupil change and causes that the impact of iris texture nonlinearities change minimizes.On the other hand, also can carry out living body iris according to the variation of pupil and detect, avoid the iris forgeries such as artificial eye.
This embodiment has realized Binoculus iris image acquiring and iris identifying function, the iris recognition result is transferred to other computing machines by the WIFI interface to be processed and is sent to the iris authentication center and authenticate, make degree of freedom and the convenience of the system integration greatly promote, can be widely used in the higher social security of security level required, bank, gate control system.
Embodiment 3:
The present embodiment has realized a kind of pair of portable Binoculus iris image acquiring of collecting unit GPRS type and treatment facility 700, Fig. 7 is the core component diagram of this embodiment equipment 700, and whole equipment 700 is made 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.
Infrared LED 702 is in infrared fileter 701 rears, be positioned at around collecting unit 703 or the side, formed by infrared LED array, the intensity of LED lamp can be controlled by arithmetic element 705, be used for illuminating the iris zone, display screen 704 adopts 3.7 inches 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, the tight shot focal length is 30mm, object distance is 300mm, level interval between two camera lenses is 65mm, gather simultaneously user's right and left eyes iris image, the vision signal of output directly is transferred in arithmetic element 705 on main circuit board and processes.Arithmetic element 705 is positioned at the equipment rear portion, adopt the ARM chip of low-power consumption, to the iris image that collects position, cut apart, the processing such as compression, and result is stored on storage unit 707, perhaps carry out data transmission by data transmission unit 706 and other computing machines.Arithmetic element 705 operation built-in Linux operating systems, storage unit 707 adopts the Flash chip, and data transmission unit 706 adopts the GPRS module to carry out wireless transmission.Power supply unit 708 adopts 5V, 5200mA polymer lithium rechargeable battery, and the assurance system is in the situation that be full of electric can the normal operation 4 hours.
Equipment uses 702 pairs of client iris of infrared LED to throw light on when taking user's iris image, will be directly on display screen 704 the content feed that collects to the user, guides user positions adjustment.Simultaneously also can gather more information, as not only showing user's eye, also show simultaneously user's face, further facilitate the user to aim at.
Can control the visible light intensity that sends by display screen 704 by arithmetic element 605, because human eye is responsive to visible light, pupil can be regulated according to visible light illumination, pupil size in the time of can adjusting the approaching registration of pupil when identifying on the one hand according to this characteristic makes pupil change and causes that the impact of iris texture nonlinearities change minimizes.On the other hand, also can carry out living body iris according to the variation of pupil and detect, avoid the iris forgeries such as artificial eye.
This embodiment has realized the Binoculus iris image acquiring under the mobile internet environment, iris image is transferred to other computing machines by the GPRS interface to be processed and is sent to the iris authentication center and authenticate, make the iris authentication system usable range greatly promote, provide assurance for setting up national iris identity authorization system, 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.
Above-mentioned explanation has fully disclosed specific embodiments of the present invention.It is pointed out that being familiar with any change that the person skilled in art does specific embodiments of the present invention does not all break away from the scope of claims of the present invention.Accordingly, the scope of claim of the present invention also is not limited only to the specific embodiments of telling.
Claims (10)
1. a portable iris image acquiring and treatment facility, described equipment comprises collecting unit, lighting unit, interactive unit, power supply unit, arithmetic element, memory chip, storage unit and data transmission unit,
Described collecting unit comprises at least one cover optical lens and image collection chip, is used for gathering user's iris information;
Described lighting unit is used for providing illumination when described collecting unit gathers iris;
Described interactive unit provides interactive function for the user, inputs instruction for the user to described equipment, and to user's presentation information;
Described power supply unit is used to power devices;
Described arithmetic element is processed the image that described collecting unit collects, and sends steering order to other unit;
Information when described memory chip is used for storing described arithmetic element work;
Described storage unit is used for being stored in the information that can not be cleared after device powers down;
Described data transmission unit is used for iris image information that described collecting unit is collected or the information exchange after described arithmetic element is processed and crosses interface module and export.
2. iris image acquiring as claimed in claim 1 and treatment facility, wherein said interactive unit is the display screen with multi-point touch function.
3. iris image acquiring as claimed in claim 1 and treatment facility, wherein said interface module are selected from least a in USB interface, wired network interface, radio network interface, GPRS interface, 3G home control network communication protocol interface, 4G home control network communication protocol interface.
4. iris image acquiring as claimed in claim 1 and treatment facility, wherein when described interface module comprises at least two kinds of interfaces, described data transmission unit comprises that also the interface adaptation module is used for according to demand adaptive a kind of interface for described data transmission unit.
5. iris image acquiring as claimed in claim 4 and treatment facility, which interface wherein said data transmission unit has available by described interactive unit to user's prompting.
6. iris image acquiring as claimed in claim 4 and treatment facility, wherein said data transmission unit is the corresponding interface module of automatic adaptation by the network insertion request of monitor user '.
7. iris image acquiring as claimed in claim 1 and treatment facility, wherein said power supply unit comprise for the direct current load module of input externally fed and are used for output dc voltage for the direct current output module of described equipment and are connected to therebetween Voltage stabilizing module for voltage stabilizing.
8. iris image acquiring as claimed in claim 7 and treatment facility, wherein said power supply unit also is included as the electric battery of described power devices, and described electric battery comprises charge management module, rechargeable battery pack and boost module.
9. iris image acquiring as claimed in claim 1 and treatment facility, the image that wherein said arithmetic element is carried out are processed and are comprised that compression of images, cutting processing, mask are processed and coding is processed.
10. iris image acquiring as claimed in claim 1 and treatment facility, wherein said arithmetic element are selected from a kind of in the process chip of ARM chip, dsp chip, operation embedded Linux system.
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| CN104573667A (en) * | 2015-01-23 | 2015-04-29 | 北京中科虹霸科技有限公司 | Iris recognition device improving iris image quality of mobile terminal |
| CN104680137A (en) * | 2015-02-06 | 2015-06-03 | 北京天诚盛业科技有限公司 | Embedded type monocular iris identification device and system as well as method |
| CN104700077A (en) * | 2015-02-12 | 2015-06-10 | 北京天诚盛业科技有限公司 | Embedded binocular iris recognition device, system and method thereof |
| CN105117686A (en) * | 2015-07-25 | 2015-12-02 | 合肥智凯电子科技有限公司 | Iris identity recognition system |
| CN105354562A (en) * | 2015-12-10 | 2016-02-24 | 深圳先进技术研究院 | Animal management system based on iris identification and iris acquisition hand-held machine |
| CN105791470A (en) * | 2015-07-15 | 2016-07-20 | 石家庄蜗牛科技有限公司 | Mobile phone cover integrated with iris recognition device |
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| WO2019011031A1 (en) * | 2017-07-10 | 2019-01-17 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Electronic device |
| CN111103532A (en) * | 2019-12-13 | 2020-05-05 | 青岛海信智慧家居***股份有限公司 | Method and device for detecting contact of intelligent key panel |
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