CN204595881U - Iris collection device and there is the iris authentication system of this device - Google Patents
Iris collection device and there is the iris authentication system of this device Download PDFInfo
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- CN204595881U CN204595881U CN201520269064.1U CN201520269064U CN204595881U CN 204595881 U CN204595881 U CN 204595881U CN 201520269064 U CN201520269064 U CN 201520269064U CN 204595881 U CN204595881 U CN 204595881U
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- iris
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- human eye
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Abstract
The utility model discloses a kind of iris collection device and there is the iris authentication system of this device, belong to field of biological recognition.Described iris identification device comprises housing, camera lens is provided with in described housing, the front end of described housing is provided with the open-work corresponding with described camera lens, described through-hole position is provided with the annular human eye keeper for making human eye be positioned at the field depth of described camera lens, is provided with visible ray light compensating apparatus in described housing.The utility model conveniently can carry out human eye location when gathering iris image, image effect is good.
Description
Technical field
The utility model relates to field of biological recognition, refers to a kind of iris collection device especially and has the iris authentication system of this device.
Background technology
The eyes of people are made up of parts such as sclera, iris, pupil crystalline lens, retinas.Iris is the annular formations between black pupil and white sclera, and it includes much interlaced spot, filament, crown, the minutia such as striped, crypts.And iris is after prenatal development stage is formed, to remain unchanged in whole life course, these characteristics determined uniqueness of iris feature.Therefore, can using the identification object of the iris feature of eyes as everyone.
The acquisition of iris image is the first step of iris recognition, and obtaining iris image clearly needs to carry out Iris Location fast and accurately.Existing iris collection device, in the process gathering iris data, often needs human eye repeatedly to adjust position back and forth relative to iris collection device, just can collect high-quality iris data when time in the field depth that human eye is in iris collection device inner lens.
Utility model content
The utility model provides a kind of iris authentication system of locating convenient and swift, that image effect is good iris collection device and having this device.
For solving the problems of the technologies described above, the utility model provides technical scheme as follows:
A kind of iris collection device, comprise housing, camera lens is provided with in described housing, the front end of described housing is provided with the open-work corresponding with described camera lens, described through-hole position is provided with the annular human eye keeper for making human eye be positioned at the field depth of described camera lens, is provided with visible ray light compensating apparatus in described housing.
A kind of iris authentication system, comprise iris identification device and above-mentioned iris collection device, described iris identification device and iris collection device are structure as a whole or Split type structure.
The utility model has following beneficial effect:
Iris collection device of the present utility model, when gathering iris image, human eye is moved to the annular human eye keeper of through-hole position, because the distance between annular human eye keeper and camera lens is certain, therefore the distance between human eye and camera lens is also certain substantially, does not need the distance adjusted back and forth between human eye and camera lens that camera lens just can be made conveniently to collect iris image.Visible ray light compensating apparatus in housing, can prevent too dark in housing and cause eye pupil to expand, thus the image effect of the iris image of impact collection.The utility model conveniently can carry out human eye location when gathering iris image, image effect is good.
Accompanying drawing explanation
Fig. 1 is the longitudinal profile structural representation one of iris collection device of the present utility model;
The longitudinal profile structural representation two that Fig. 2 is iris collection device shown in Fig. 1;
The one-piece construction schematic diagram that Fig. 3 is iris collection device shown in Fig. 1;
The structural representation of the human eye keeper that Fig. 4 is iris collection device shown in Fig. 1;
The horizontal section structural representation that Fig. 5 is iris collection device shown in Fig. 1.
Embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
On the one hand, the utility model provides a kind of iris collection device, as shown in Figures 1 to 5, comprise housing 1, camera lens 2 is provided with in housing 1, the front end of housing 1 is provided with the open-work 3 corresponding with camera lens 2, and open-work 3 place is provided with the annular human eye keeper 4 for making human eye be positioned at the field depth of described camera lens, is provided with visible ray light compensating apparatus in housing 1.
Iris collection device of the present utility model, when gathering iris image, human eye is moved to the annular human eye keeper of through-hole position, because the distance between annular human eye keeper and camera lens is certain, therefore the distance between human eye and camera lens is also certain substantially, does not need the distance adjusted back and forth between human eye and camera lens just conveniently can collect iris image.Visible ray light compensating apparatus in housing, can prevent too dark in housing and cause eye pupil to expand, thus the image effect of the iris image of impact collection.The utility model conveniently can carry out human eye location when gathering iris image, image effect is good.
Improve as one of the present utility model, open-work 2 is one, and camera lens 3 is also one; Or open-work 3 is two, camera lens 2 is one or two.When the quantity of open-work and camera lens is one, corresponding is gather monocular iris image; When open-work is two, corresponding can gather binocular iris image simultaneously.Wherein two human eye keepers have been made integrative-structure, having been identified, gathering the accuracy that binocular iris image can improve identification further by gathering binocular iris image by Fig. 4 to be open-work be situation of two.
Improve as another kind of the present utility model, the material of human eye keeper 4 can be silica gel material.Because silica gel material is soft material, after human eye moves to human eye keeper, can contact with human eye keeper around human eye, silica gel material can make eye with of the present utility model contact softer.
In order to external light source can be allowed to enter in housing, human eye keeper 4 is preferably the silica gel material of 70%-80% for transparency.Carry out light filling in housing to a certain extent in this way, the light filling amount of visible ray light compensating apparatus can be reduced to a certain extent, economize energy.
Further, preferably circumocular radian adapts the radian of the front end of human eye keeper 4 with people.The structure of this man-machine design designed is carried out according to the forehead of people and cheekbone curve in the front end of human eye keeper, better can be fitted eye (comprising eye socket, nose etc.) in the front end of human eye keeper, can ensure that transparent silica gel does not interfere with nose while laminating eye socket and cheekbone.
For enabling the utility model adapt to crowd widely, as shown in Figure 1, the distance between the front end of human eye keeper 4 and camera lens 2 is preferably 125-155mm.Because face's curve of user is variant, than if any eyes relative to cheekbone look outstanding a bit, some eyes look more flat relative to cheekbone, some eyes have looked a bit recessed relative to cheekbone, these situations can cause small impact to the distance between human eye and camera lens when carrying out iris image location, and the distance therefore between the front end of human eye keeper and camera lens has the error range of 30mm.Wherein, the situation that eyes are looked a bit recessed relative to cheekbone, the situation that we can adopt eyes more flat relative to cheekbone does reference.
Preferably, visible ray light compensating apparatus is the adjustable visible ray light compensating apparatus of brightness.Visible ray light compensating apparatus in housing can adjust the brightness in housing, because the size of eye pupil can adjust to some extent along with the adjustment of brightness, light is stronger, and pupil diminishes, and the more weak then pupil of light becomes large, like this can by the brightness in visible ray light compensating apparatus adjustment housing.When carrying out iris image registration, register respectively light in housing more by force, more weak and normal time the iris image of object that is identified.When carrying out iris recognition, when gathering iris image, also can gather respectively light in housing more by force, more weak and normal time the iris image of object that is identified.Such one side can guarantee the accuracy rate identified, also can prove on the other hand to be identified to as if live body because the pupil of photo can not change along with the Strength Changes of light.
Further, visible ray light compensating apparatus can be the LED (not shown) that is arranged in housing 1 and the light guide plate 5 arranged that matches with LED.This structure is simple, with low cost.Or light compensating apparatus can adopt the mode of placing fluorescent powder in housing to realize, but fluorescent powder has the restriction of use, and it could discharge light source after must absorbing light source.Certainly, other modes that those skilled in the art also can be adopted easily to expect carry out light filling in housing.
Improve as another kind of the present utility model, preferably, be provided with transparent inner sleeve 6 in housing 1, camera lens 2 and open-work 3 preferably lay respectively at the two ends of inner sleeve 6, and light guide plate 5 is arranged between inner sleeve 6 and housing 1.When inner sleeve is transparent, light guide plate is placed between inner sleeve and housing, has both maintained light source on average soft, also make inside more overall (inner sleeve can shelter from some structures outside housing, such as rib and screw column etc.).
Or be provided with opaque inner sleeve in housing, camera lens and open-work lay respectively at the two ends of inner sleeve, and inner sleeve is provided with fluting, and light guide plate is arranged in fluting.This mode also can realize adjusting the light intensity in housing, and the structure such as the rib sheltered from outside housing and screw column.The front end of enclosure interior can also be provided with the support member for fixed support inner sleeve.
In the utility model, as shown in Figure 5, one end of inner sleeve 6 is preferably provided with lens bracket, optical filter (not shown) can also be provided with between inner sleeve and lens bracket, the one side of optical filter can be bonded in the end of inner sleeve 6 by two-sided gum foam 8, another side also can be bonded on lens bracket by two-sided gum foam 8.Two-sided gum foam design between optical filter and transparent inner core, can prevent optical filter from rocking and preventing dust or water from entering the inside of inner sleeve, the two-sided gum foam between lens bracket and optical filter can prevent dust or water from entering.Or housing rear end can also be provided with prompting mirror or LED warning light, can remind the collection situation of the iris image of the object be identified like this.
Further, as shown in Figure 3, the surface of housing 1 can be coated with rubberbase paint, and the hand position of housing 1 is preferably provided with multiple horizontal stripe projection 7.The rubberbase paint of surface of shell adds wearing quality of the present utility model and scratch-proofness, and horizontal stripe projection can increase friction force, facilitates hand-held the utility model, and not easily skidding comes off.
On the other hand, the utility model also provides a kind of iris authentication system, and comprise iris identification device and above-mentioned iris collection device, iris identification device and iris collection device are structure as a whole or Split type structure.Use-pattern and beneficial effect as described above, repeat no more herein.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (12)
1. an iris collection device, comprise housing, camera lens is provided with in described housing, it is characterized in that, the front end of described housing is provided with the open-work corresponding with described camera lens, described through-hole position is provided with the annular human eye keeper for making human eye be positioned at the field depth of described camera lens, is provided with visible ray light compensating apparatus in described housing.
2. iris collection device according to claim 1, is characterized in that, described open-work is one, and described camera lens is also one; Or described open-work is two, described camera lens is one or two.
3. iris collection device according to claim 1, is characterized in that, the material of described human eye keeper is silica gel material.
4. iris collection device according to claim 3, is characterized in that, the silica gel material of described human eye keeper to be transparency be 70%-80%.
5. iris collection device according to claim 1, is characterized in that, radian and the circumocular radian of people of the front end of described human eye keeper adapt.
6. iris collection device according to claim 1, is characterized in that, the distance between the front end of described human eye keeper and described camera lens is 125-155mm.
7. iris collection device according to claim 1, is characterized in that, described visible ray light compensating apparatus is the adjustable visible ray light compensating apparatus of brightness.
8. the iris collection device according to claim arbitrary in claim 1-7, is characterized in that, described visible ray light compensating apparatus is the LED and the light guide plate arranged that matches with described LED that are arranged in described housing.
9. iris collection device according to claim 8, is characterized in that, is provided with transparent inner sleeve in described housing, and described camera lens and open-work lay respectively at the two ends of described inner sleeve, and described light guide plate is arranged between described inner sleeve and housing;
Or be provided with opaque inner sleeve in described housing, described camera lens and open-work lay respectively at the two ends of described inner sleeve, and described inner sleeve is provided with fluting, and described light guide plate is arranged in described fluting.
10. iris collection device according to claim 9, it is characterized in that, one end of described inner sleeve is provided with lens bracket, also optical filter is provided with between described inner sleeve and lens bracket, the one side of described optical filter is bonded in the end of described inner sleeve by two-sided gum foam, another side is also bonded on described lens bracket by two-sided gum foam.
11. iris collection devices according to claim 10, is characterized in that, the surface spraying of described housing has rubberbase paint, and the hand position of described housing is provided with multiple horizontal stripe projection.
12. 1 kinds of iris authentication systems, is characterized in that, comprise arbitrary described iris collection device in iris identification device and claim 1-11, described iris identification device and iris collection device are structure as a whole or Split type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269064.1U CN204595881U (en) | 2015-04-27 | 2015-04-29 | Iris collection device and there is the iris authentication system of this device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520260433 | 2015-04-27 | ||
| CN2015202604330 | 2015-04-27 | ||
| CN201520269064.1U CN204595881U (en) | 2015-04-27 | 2015-04-29 | Iris collection device and there is the iris authentication system of this device |
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| Publication Number | Publication Date |
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| CN204595881U true CN204595881U (en) | 2015-08-26 |
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| CN201520269064.1U Active CN204595881U (en) | 2015-04-27 | 2015-04-29 | Iris collection device and there is the iris authentication system of this device |
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| CN (1) | CN204595881U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105354904A (en) * | 2015-11-20 | 2016-02-24 | 北京天诚盛业科技有限公司 | Biological recognition entrance guard device, and working method thereof |
| CN106022299A (en) * | 2016-06-01 | 2016-10-12 | 北京天诚盛业科技有限公司 | Iris identification device having light supplement function, iris identification method, and light supplement method |
| CN109165594A (en) * | 2018-08-22 | 2019-01-08 | 深圳先牛信息技术有限公司 | A kind of iris collection device |
-
2015
- 2015-04-29 CN CN201520269064.1U patent/CN204595881U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105354904A (en) * | 2015-11-20 | 2016-02-24 | 北京天诚盛业科技有限公司 | Biological recognition entrance guard device, and working method thereof |
| CN106022299A (en) * | 2016-06-01 | 2016-10-12 | 北京天诚盛业科技有限公司 | Iris identification device having light supplement function, iris identification method, and light supplement method |
| CN106022299B (en) * | 2016-06-01 | 2019-10-25 | 北京眼神智能科技有限公司 | A kind of iris identification device with light filling function, recognition methods and light compensation method |
| CN109165594A (en) * | 2018-08-22 | 2019-01-08 | 深圳先牛信息技术有限公司 | A kind of iris collection device |
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| C14 | Grant of patent or utility model | ||
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