CN107784255B - Head-wearing type user iris information acquisition equipment - Google Patents
Head-wearing type user iris information acquisition equipment Download PDFInfo
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- CN107784255B CN107784255B CN201610771347.5A CN201610771347A CN107784255B CN 107784255 B CN107784255 B CN 107784255B CN 201610771347 A CN201610771347 A CN 201610771347A CN 107784255 B CN107784255 B CN 107784255B
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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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Abstract
The invention provides a head-mounted user iris information acquisition device, which comprises: the frame is used for wearing the head-mounted user iris information acquisition equipment on the head of the user; the invisible light source is arranged on the frame and used for irradiating the iris of the human eye; the optical waveguide lens is arranged on the frame and is used for receiving and transmitting image information reflected by the iris of the human eye, wherein the optical waveguide lens is provided with an optical input end and an optical output end, and the optical input end is arranged in front of the human eye; and the optical sensor is arranged at the light output end and is used for sensing the image information so as to obtain iris information of the user. The invention can collect the iris information of the user on the basis of influencing the normal watching of the user to the real world, and has good user experience.
Description
Technical Field
The invention relates to the technical field of optics, in particular to equipment for acquiring iris information of human eyes, and specifically relates to equipment for acquiring iris information of a head-mounted user.
Background
The iris recognition technology is to perform identity recognition based on the iris in eyes and is applied to places with high security requirements such as entrance guard. The human eye structure is composed of sclera, iris, pupil lens, retina, etc. The iris is an annular portion between the black pupil and the white sclera that contains numerous interlaced spots, filaments, crowns, fringes, crypts, etc. of detail. And the iris will remain unchanged throughout the life cycle after the fetal development stage has formed. These features determine the uniqueness of the iris features and also the uniqueness of the identification. Therefore, the iris characteristics of the eyes can be used as the identification object of everyone, and the uniqueness, the stability and the anti-counterfeiting property of the iris and the non-contact property of the iris identification technology are greatly advantageous compared with other biological identification technologies.
The existing iris recognition system generally needs to be in a closed environment and can effectively collect iris images by adopting necessary shading measures to shade interference of ambient light under good illumination, so that the existing iris recognition system generally has a large volume, and after the existing iris recognition system is generally put into use, the position of equipment is basically fixed and has no portable characteristic, and therefore the existing iris recognition technology cannot be applied to modern life and work such as online payment, identity authentication, attendance recording and the like.
In recent years, a great deal of head-mounted electronic devices such as associated glasses, google glasses, virtual Reality (VR) game glasses, etc., and Virtual Reality (VR), augmented Reality (Augmented Reality, AR), and Mixed Reality (MR) technologies are gradually coming into our daily lives. The modern life of people is being changed silently by the head-mounted electronic device due to the characteristics of portability, entertainment and the like.
Therefore, how to integrate the iris recognition technology into the existing increasingly popular head-mounted electronic devices, or develop a portable head-mounted iris recognition device, so as to overcome the defects of the traditional iris recognition device, is a long-term urgent problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the technical problem to be solved by the invention is to provide the head-mounted user iris information acquisition equipment, which solves the problem that people cannot randomly apply the iris recognition technology in daily life.
In order to solve the above technical problems, a specific embodiment of the present invention provides a head-mounted user iris information acquisition device, including: the frame is used for wearing the head-mounted user iris information acquisition equipment on the head of the user; the invisible light source is arranged on the frame and used for irradiating the iris of the human eye; the optical waveguide lens is arranged on the frame and is used for receiving and transmitting image information reflected by the iris of the human eye, wherein the optical waveguide lens is provided with an optical input end and an optical output end, and the optical input end is arranged in front of the human eye; and the optical sensor is arranged at the light output end and is used for sensing the image information so as to obtain iris information of the user.
According to the specific embodiment of the invention, the head-mounted user iris information acquisition device has at least the following beneficial effects: the iris recognition technology can be widely applied to the fields of identity authentication, online payment and the like, meets the requirements of modern work and life of people, and accords with the development trend of informatization, networking and digitalization; convenient carrying and operation, and good user experience.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the scope of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the principles of the invention.
Fig. 1 is a block diagram of an embodiment one of a head-mounted user iris information acquisition device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a conducting path of image information according to an embodiment of the present invention;
FIG. 3 is a schematic view of an optical waveguide lens according to an embodiment of the present invention;
fig. 4 is a block diagram of a second embodiment of a headset user iris information acquisition device according to an embodiment of the present invention;
fig. 5 is a block diagram of an embodiment three of a head-mounted user iris information acquisition device according to an embodiment of the present invention;
Fig. 6 is a schematic diagram of another conducting path of image information according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the spirit of the present disclosure will be clearly described in the following drawings and detailed description, and any person skilled in the art, after having appreciated the embodiments of the present disclosure, may make alterations and modifications by the techniques taught by the present disclosure without departing from the spirit and scope of the present disclosure.
The exemplary embodiments of the present invention and the descriptions thereof are intended to illustrate the present invention, but not to limit the present invention. In addition, the same or similar reference numerals are used for the same or similar parts in the drawings and the embodiments.
The terms "first," "second," …, etc. as used herein do not denote a particular order or sequence, nor are they intended to limit the invention, but rather are merely used to distinguish one element or operation from another in the same technical term.
With respect to directional terms used herein, for example: upper, lower, left, right, front or rear, etc., are merely references to the directions of the drawings. Thus, directional terminology is used for purposes of illustration and is not intended to be limiting.
As used herein, the terms "comprising," "including," "having," "containing," and the like are intended to be inclusive and mean an inclusion, but not limited to.
As used herein, "and/or" includes any or all combinations of such things.
The terms "about," "approximately" and the like as used herein are used to modify any quantitative or positional deviation that could vary slightly without such slight variation or positional deviation altering its nature. In general, the range of slight variations or errors modified by such terms may be 20% in some embodiments, 10% in some embodiments, 5% in some embodiments, or other values. It should be understood by those skilled in the art that the above mentioned values can be adjusted according to the actual requirements, and are not limited thereto.
Certain words used to describe the application will be discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the application.
Fig. 1 is a block diagram of an embodiment of a headset user iris information acquisition device according to an embodiment of the present invention, and fig. 2 is a schematic diagram of a transmission path of image information according to an embodiment of the present invention; FIG. 3 is a schematic view of an optical waveguide lens according to an embodiment of the present invention; fig. 5 is a block diagram of an embodiment three of a head-mounted user iris information acquisition device according to an embodiment of the present invention; fig. 6 is a schematic diagram of another transmission path of image information provided in an embodiment of the present invention, as shown in fig. 1-3, fig. 5, and fig. 6, an invisible light source is used to illuminate an iris of a human eye, reflected light (i.e., image information) of the iris of the human eye is transmitted to an optical sensor through an optical waveguide lens, and the optical sensor senses the reflected light to obtain iris information of a user, so that the iris information can be obtained while the user is not influenced to normally watch the real world.
In the specific embodiment shown in the figure, the iris information collection device for the head-mounted user comprises a frame 10, an invisible light source 20, an optical waveguide lens 30 and an optical sensor 40, wherein the frame 10 is used for wearing the iris information collection device for the head-mounted user on the head of the user; an invisible light source 20 is provided on the frame 10, the invisible light source 20 being for illuminating the iris of a human eye; an optical waveguide lens 30 is disposed on the frame 10, and the optical waveguide lens 30 is configured to receive and transmit image information reflected by the iris of a human eye, wherein the optical waveguide lens 30 has an optical input end 301 and an optical output end 302, and the optical input end 301 is disposed in front of the human eye; a light sensor 40 is arranged at said light output 302, the light sensor 40 being arranged to sense said image information for obtaining iris information of the user.
In a specific embodiment of the present invention, the optical input 301 is configured to capture the image information and couple the image information into the optical waveguide lens 30 so as to transmit the image information in the optical waveguide lens 30 using the principle of total reflection; the light output 302 is used to disrupt the total reflection condition to eject the image information out of the optical waveguide lens 30 and to resize the image information to conform to the size and imaging location of the light sensor 40.
Specifically, the optical input 301 is a holographic grating for capturing the image information and coupling into the optical waveguide lens 30; the light output end 302 may be a holographic grating 2 (shown in fig. 1-3) for outputting and resizing the image information from the optical waveguide lens 30. The hologram grating 2 has not only a function of outputting input image information but also a function of adjusting the size of the image information, compared with the hologram grating 2. For example, the holographic grating 2 may output and resize the image information to accommodate the light sensor 40.
Furthermore, the light input end 301 is a first holographic grating for inputting the image information. The light output end 302 further comprises a second holographic grating 3021 and an optical lens 3022, wherein the second holographic grating 3021 is used for outputting the image information from the optical waveguide lens 30; an optical lens 3022 is disposed between the holographic grating 3021 and the photosensor 40, and the optical lens 3022 is used to adjust the size of the image information to conform to the size and imaging position of the photosensor 40 (as shown in fig. 5 and 6). In the embodiment of the present invention, the optical lens 3022 may be a convex lens, a concave lens, or the like according to the distance between the optical sensor 40 and the optical waveguide lens 30 and the specific dimensions of the optical sensor 40 and the light output end 302, which is not limited to the present invention.
Further, the invisible light source 20 can be an infrared LED light source, the wavelength of the infrared LED light source can be 850nm or 980nm, the infrared light is invisible light, the normal watching of the user can not be influenced, and the user experience is good. The invisible light source 20 may be disposed obliquely below, obliquely above, or laterally to the eyes of the user without affecting the normal viewing of the real world by the user.
Further, the optical waveguide lens 30 may be a planar lens, and light in the real world is not refracted through the planar lens, so that the user is not affected to watch the real world normally, and wearing the head-mounted iris information collection device by the user is not different from wearing a planar lens in appearance, so that iris information collection can be completed without any feeling of the user.
Further, the light sensor 40 may be a NIR CMOS image sensor, and the NIR CMOS image sensor may be disposed at the temple 101 of the frame 10 (as shown in fig. 1). The NIR CMOS image sensor is provided at the temple 101 of the frame 10, not affecting the normal viewing of the user, but also not affecting the overall aesthetic appeal of the head-mounted user's iris information collection device.
Referring to fig. 1-3 and fig. 5-6, the iris information acquisition device of the head-wearing user can be glasses, helmets, masks and the like, the invention is not limited by this, the iris information of the user is obtained while the user is not influenced to watch the real world normally, and miniaturization and portability of the iris information acquisition device are realized, so that the iris recognition technology can be widely applied to the fields of identity authentication, online payment, attendance record and the like, the requirements of modern work and life of people are met, the development trend of informatization, networking and digitization is met, and the user experience is good.
Fig. 4 is a block diagram of a second embodiment of a headset user iris information collection device according to an embodiment of the present invention, where, as shown in fig. 4, a processor may compare iris information of a user obtained by a light sensor with iris information stored in advance, so as to perform operations such as identity authentication, online payment, and attendance recording.
In the specific embodiment shown in the figure, the device for collecting iris information of the head-mounted user further includes a processor 50, where the processor 50 is connected to the light sensor 40, and the processor 50 is used for performing identity authentication according to the iris information of the user.
Referring to fig. 4, the iris information of the user may be stored in a memory (not shown) in advance or stored in a remote server (not shown) through a wireless transceiver (not shown), and the processor 50 compares the iris information of the user obtained by the optical sensor 40 with the iris information stored in advance, so as to perform operations such as identification, online payment, attendance recording, etc.
In other specific embodiments of the present invention, the head-mounted user iris information collection device may further include a memory and a wireless transceiver, where the user iris information is stored in the memory in advance, or stored in a remote server through the wireless transceiver, and the processor compares the user iris information obtained by the optical sensor with the user iris information stored in advance, so as to perform operations such as identity authentication, online payment, attendance recording, and the like. In addition, the iris information of the user can be stored in the mobile terminal (such as a mobile phone, a tablet personal computer, a PDA and the like) in advance, the head-mounted iris information acquisition equipment performs information interaction with the mobile terminal through the wireless transceiver, and the processor compares the iris information of the user obtained by the optical sensor with the iris information of the user stored in the mobile terminal, so that the operations such as identity authentication, online payment, attendance recording and the like are performed. In order to reduce the cost, the head-mounted user iris information collection device may further include a close-range communication module (for example, WI-FI module or bluetooth module), the head-mounted user iris information collection device performs information interaction with the mobile terminal by using the close-range communication module, so as to obtain pre-stored user iris information from a remote server, and finally the processor compares the user iris information obtained by the light sensor with the user iris information stored in the mobile terminal, so as to perform operations such as identity authentication, online payment, attendance recording, and the like.
The invention provides a head-mounted user iris information acquisition device, which irradiates the iris of a user by using an invisible light source, reflected light (namely image information) of the iris of the human eye is conducted to an optical sensor through an optical waveguide lens, the optical sensor senses the reflected light to obtain iris information of the user, the iris information of the user can be obtained while the user is not influenced to watch the real world normally, the miniaturization and portability of the iris information acquisition device are realized, the operation is simple, the use is convenient, the iris recognition technology can be widely applied to the fields of identity authentication, online payment and the like, the requirements of modern work and life of people are met, the development trend of informatization, networking and digitalization is met, and the user experience is good.
The embodiments of the invention described above may be implemented in various hardware, software code or a combination of both. For example, embodiments of the invention may also be program code for performing the above-described methods in a data signal Processor (DIGITAL SIGNAL Processor, DSP). The invention may also relate to various functions performed by a computer processor, digital signal processor, microprocessor, or field programmable gate array (Field Programmable GATE ARRAY, FPGA). The processor described above may be configured in accordance with the present invention to perform specific tasks by executing machine readable software code or firmware code that defines the specific methods disclosed herein. The software code or firmware code may be developed in different programming languages and in different formats or forms. The software code may also be compiled for different target platforms. However, the different code patterns, types and languages of software code and other types of configuration code that perform tasks according to the invention do not depart from the spirit and scope of the invention.
The foregoing is merely illustrative of the embodiments of this invention and any equivalent and equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this invention.
Claims (8)
1. A head-mounted user iris information acquisition apparatus, characterized in that the head-mounted user iris information acquisition apparatus comprises:
a frame (10) for wearing the head-mounted user iris information acquisition device on the user's head;
an invisible light source (20) arranged on the frame (10) for illuminating the iris of a human eye;
An optical waveguide lens (30) arranged on the frame (10) and used for receiving and transmitting image information reflected by the iris of a human eye, wherein the optical waveguide lens (30) is a plane lens and is provided with an optical input end (301) and an optical output end (302), and the optical input end (301) is arranged in front of the human eye and is used for capturing the image information and coupling the image information into the optical waveguide lens so as to transmit the image information in the optical waveguide lens by utilizing the principle of total reflection; -the light output (302) is adapted to disrupt the total reflection condition so as to eject the image information out of the optical waveguide lens (30) and to adjust the size of the image information to conform to the size and imaging position of the light sensor (40); and
And a light sensor (40) arranged at the light output end (302) and used for sensing the image information so as to obtain iris information of the user.
2. The head-mounted user iris information collection device according to claim 1, wherein the light input (301) is a holographic grating for capturing the image information and coupling into the optical waveguide lens (30);
The light output (302) is a holographic grating 2 for outputting and resizing the image information from the optical waveguide lens (30).
3. The head-mounted user iris information collection device according to claim 1, wherein the light input end (301) is a first holographic grating for inputting the image information;
The light output end (302) further comprises:
a second holographic grating (3021) for outputting the image information from the optical waveguide lens (30); and
An optical lens (3022) disposed between the holographic grating (3021) and the photosensor (40) for adjusting the size of the image information to conform to the size and imaging position of the photosensor (40).
4. A head-mounted user iris information collection device as claimed in claim 3, wherein the optical lens (3022) is a convex lens.
5. The head-mounted user iris information collection apparatus of claim 1, wherein the head-mounted user iris information collection apparatus further comprises:
and the processor (50) is connected with the optical sensor (40) and is used for carrying out identity authentication according to the iris information of the user.
6. The head-mounted user iris information collection device according to claim 1, wherein the invisible light source (20) is an infrared LED light source.
7. The head-mounted user iris information acquisition device according to claim 1, wherein the light sensor (40) is a NIR CMOS image sensor.
8. The head-mounted user iris information acquisition device according to claim 7, wherein the NIR CMOS image sensor is provided at a temple (101) of the frame (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771347.5A CN107784255B (en) | 2016-08-30 | 2016-08-30 | Head-wearing type user iris information acquisition equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610771347.5A CN107784255B (en) | 2016-08-30 | 2016-08-30 | Head-wearing type user iris information acquisition equipment |
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| CN107784255A CN107784255A (en) | 2018-03-09 |
| CN107784255B true CN107784255B (en) | 2024-05-14 |
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| CN201610771347.5A Active CN107784255B (en) | 2016-08-30 | 2016-08-30 | Head-wearing type user iris information acquisition equipment |
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| CN111881852A (en) * | 2020-07-30 | 2020-11-03 | 维沃移动通信有限公司 | Wearable device, iris information acquisition method and storage medium |
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| CN203773562U (en) * | 2013-02-06 | 2014-08-13 | 北京中科虹霸科技有限公司 | Portable two-eye iris image acquisition and processing equipment |
| CN104570353A (en) * | 2015-01-08 | 2015-04-29 | 浙江大学 | Color visual display method, optical system and wearable device using holographic waveguide |
| CN104834381A (en) * | 2015-05-15 | 2015-08-12 | 中国科学院深圳先进技术研究院 | Wearable device for sight focus positioning and sight focus positioning method |
| CN206270977U (en) * | 2016-08-30 | 2017-06-20 | 北京亮亮视野科技有限公司 | Wear-type client iris information collecting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9494799B2 (en) * | 2014-09-24 | 2016-11-15 | Microsoft Technology Licensing, Llc | Waveguide eye tracking employing switchable diffraction gratings |
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- 2016-08-30 CN CN201610771347.5A patent/CN107784255B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203773562U (en) * | 2013-02-06 | 2014-08-13 | 北京中科虹霸科技有限公司 | Portable two-eye iris image acquisition and processing equipment |
| CN104570353A (en) * | 2015-01-08 | 2015-04-29 | 浙江大学 | Color visual display method, optical system and wearable device using holographic waveguide |
| CN104834381A (en) * | 2015-05-15 | 2015-08-12 | 中国科学院深圳先进技术研究院 | Wearable device for sight focus positioning and sight focus positioning method |
| CN206270977U (en) * | 2016-08-30 | 2017-06-20 | 北京亮亮视野科技有限公司 | Wear-type client iris information collecting device |
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