CN207882924U - A kind of facial image acquisition device - Google Patents
A kind of facial image acquisition device Download PDFInfo
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- CN207882924U CN207882924U CN201820243025.8U CN201820243025U CN207882924U CN 207882924 U CN207882924 U CN 207882924U CN 201820243025 U CN201820243025 U CN 201820243025U CN 207882924 U CN207882924 U CN 207882924U
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- light source
- camera
- iris
- image acquisition
- facial image
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- 230000001815 facial effect Effects 0.000 title claims abstract description 16
- 210000000554 iris Anatomy 0.000 claims description 73
- 210000000887 face Anatomy 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims 1
- 238000005286 illumination Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000005498 polishing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 210000003128 head Anatomy 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 210000000744 eyelid Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 210000003786 sclera Anatomy 0.000 description 1
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- Image Input (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model is related to a kind of facial image acquisition device, which includes：Distant range iris camera and the light source assembly that the pre-determined distance below distant range iris camera is set；Distant range iris camera includes at least two iris cameras every setting between the upper and lower, and face camera is provided between iris camera；Light source assembly includes the light source group that at least two groups are stacked, and light source group includes the light source of at least two-layer laminate setting.The utility model embodiment is arranged by layout pitch above and below iris camera that distant range iris camera surface is arranged, to cover the iris capturing of the user of different heights, face acquisition camera is set between iris camera simultaneously, face location for confirming user, iris camera is set quickly to carry out iris capturing according to user's face location, and detach light source assembly with iris camera, so that light source is radiated the range of bigger, to improve the efficiency of iris camera iris capturing.
Description
Technical field
The utility model is related to biometrics identification technology field more particularly to a kind of facial image acquisition devices.
Background technology
Currently, iris recognition is exactly to determine the identity of people by comparing the similitude between iris image feature.Rainbow
In general the process of film identification technology includes following four steps：
Iris image acquiring：The figure that the entire eye of people is shot, and will taken using specific apparatus for making a video recording
Image preprocessing software as being transferred to iris authentication system.
Image preprocessing：The iris image got is handled as follows, it is made to meet the needs of extraction iris feature.
Iris Location：Determine the position of inner circle, outer circle and conic section in the picture.Wherein, inner circle is iris and pupil
Boundary, outer circle be iris and sclera boundary, conic section be iris and upper lower eyelid boundary.
Iris image normalizes：By the iris size in image, it is adjusted to the fixed dimension of identifying system setting.
Image enhancement：For the image after normalization, brightness, contrast and smoothness etc. reason are carried out, is improved in image
The discrimination of iris information.
Feature extraction：Characteristic point needed for iris recognition is extracted from iris image using specific algorithm, and to it
It is encoded.
Characteristic matching：Iris image feature coding in feature coding and database that feature extraction is obtained is one by one
Match, determine whether identical iris, to achieve the purpose that identification.
Utility model content
Of the existing technology in order to solve the problems, such as, at least one embodiment of the utility model provides a kind of face figure
As harvester, including：Distant range iris camera and the light source group that the pre-determined distance below the distant range iris camera is set
Part；The distant range iris camera includes at least two iris cameras every setting between the upper and lower, between the iris camera
It is provided with face camera；The light source assembly includes the light source group that at least two groups are stacked, and the light source group includes at least
The light source of two-layer laminate setting.
Based on the above-mentioned technical proposal, the utility model embodiment can also make following improvement.
Optionally, the light source assembly further includes：Holder, the light source are in that default setting angle is detachable with the holder
Installation on the bracket.
Optionally, the light source in the same light source group is consistent with the setting angle of the holder.
Optionally, ranging from 10 ° -45 ° of the setting angle of the light source in the light source group and the holder.
Optionally, the setting spacing range of the adjacent iris camera is 60mm-160mm.
Optionally, the face camera includes：2D faces camera or 3D face cameras.
Optionally, it is both provided with lightening hole above and below the 3D faces camera.
Optionally, the distant range iris camera includes：Shell, the case surface are provided with multiple camera installations
Hole, the iris camera and the face camera are mounted in the shell, and are stretched out out of described camera mounting hole.
Optionally, the shell side is provided with heat emission hole.
Optionally, the light source includes：Near-infrared light source, the light source assembly are arranged under the distant range iris camera
At square 100m-400mm.
The above-mentioned technical proposal of the utility model has the following advantages that compared with prior art：The utility model embodiment is logical
The setting of the iris camera that distant range iris camera surface is arranged or more layout pitch is crossed, to cover the user of different heights
Iris capturing, while face acquisition camera is set between iris camera, the face location for confirming user makes iris
Camera can quickly carry out iris capturing according to user's face location, and light source assembly is detached with iris camera, make light source
The range that bigger can be radiated, to improve the efficiency of iris camera iris capturing.
Description of the drawings
Fig. 1 is a kind of facial image acquisition apparatus structure schematic diagram that the utility model embodiment provides；
Fig. 2 is the light source assembly structural schematic diagram that another embodiment of the utility model provides；
Fig. 3 is the distant range iris camera machine structural schematic diagram that another embodiment of the utility model provides.
In figure：1：Distant range iris camera；2：Light source assembly；3：Iris camera；4：Face camera；5：Light source group；
6：Light source；7：Holder；8：Lightening hole；9：Heat emission hole.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained without making creative work, all
Belong to the range of the utility model protection.
As shown in Figure 1, a kind of facial image acquisition device that the utility model embodiment provides, including：Distant range iris
Camera 1 and the light source assembly 2 that the pre-determined distance below distant range iris camera 1 is set.
In the present embodiment, distant range iris camera 1 includes upper and lower spaced at least two irises camera 3, rainbow
Face camera 4 is provided between film camera 3.
In the present embodiment, light source assembly 2 includes the light source group 5 that at least two groups are stacked, and light source group 5 includes at least two
The light source 6 of layer stackup setting.
In above-described embodiment, it is distributed setting up and down by carrying out distant range iris camera 1 and light source assembly 2, so that light
The setting angle of light source 6 on source component 2 can be freely arranged, and reduce influence of the light source assembly 2 to distant range iris camera 1,
It is thus achieved that light source 6 radiates the range of bigger, iris camera acquires the efficient higher of client iris, and by making iris
Camera 3 every setting at least two, to cover the iris position of different height personnel, avoids the iris figure collected between the upper and lower
As there is error, light source assembly 2 includes at least two groups light source group 5, includes at least two layers of light source 6 in every group of light source group 5, convenient
User is managed light source 6, and in the case where the light source of equivalent amount 6 ensures bright exposure intensity, is stacked
Light source 6 can effectively reduce width, avoid the problem that floor space is excessive.
As shown in Fig. 2, in the present embodiment, light source assembly 2 further includes：Holder 7, light source 6 are in default established angle with holder 7
Degree is detachably arranged on holder 7, and light source 6 is mounted on by installation part stacking on holder 7, light path that light source 6 is emitted with
Predetermined angle ensures required illumination when acquisition client iris to external exposure.
In the present embodiment, the setting angle of the light source 6 in same light source group 5 is consistent, and the light source 6 of different light source groups 5 is pacified
Dress angle can select identical or different setting angle according to demand, such as, it is known that the head of user is fixed on a certain region, no
Polishing with light source group 5 should concentrate in the region, because light source group 5 is to be stacked, the light source 6 in different light source groups 5 and branch
The setting angle of frame 7 should setting angle it is incremented by successively from top to bottom, when the head of user can not confirm specific position, be
Ensure that the range of illumination is sufficiently large, and uniform illumination, 6 setting angle of light source of different light sources 6 should be set as identical at this time, protects
Card illumination is uniformly distributed, but still has illumination dead angle in this way, also can according to circumstances be pacified the light source 6 of different light source groups 5
It is random setting to fill angle initialization, to improve the probability that illumination is effectively radiated at the face of user.
In the present embodiment, ranging from 10 ° -45 ° of the setting angle of the light source 6 in light source group 5 and holder 7, specifically, working as
When light source group 5 is arranged two groups, ranging from 18 ° -19 ° of the setting angle of light source 6 and holder 7 in one of which light source group 5 is another
Ranging from 19.5 ° -20.5 ° of the setting angle of light source 6 and holder 7 in group light source group 5, to ensure that the when of using provides foot to the user
Enough light, because can not confirm user at a distance from the utility model, in order to make about 6 light source radiate the range of bigger, and light
The light source 6 for the light source group 5 being disposed over and the setting angle range of holder 7 are limited to by line to face range of radiation
18 ° -19 °, the light source 6 for the light source group 5 being arranged below is limited to 19.5 ° -20.5 ° with the setting angle range of holder 7, works as light
When source group 5 is arranged multiple, the setting angle range of light source 6 in optional upper section light source group 5 and holder 7 be limited to 18 °-
19 °, light source 6 and the setting angle range of holder 7 in section below light source group 5 are limited to 19.5 ° -20.5 °.
In the present embodiment, the setting spacing range of adjacent iris camera 3 is 60mm-160mm, specifically, iris is taken the photograph
As first 3 setting spacing range is 115mm-125mm, according to the difference of iris camera size, to ensure that iris camera 3 acquires
The iris of different height personnel, according to the distribution of different crowd height gap, the range of the setting spacing of iris camera 3 is maximum
For 60mm-160mm, the minimum 115mm-125mm of setting spacing range.
As shown in figure 3, in the present embodiment, face camera 4 includes：2D faces camera 4 or 3D faces camera 4；
Specifically, when shooting the 3D information of face by 3D faces camera 4, needs the irradiation of preferable light source 6 to carry out light filling, improve
The acquisition of face 3D information is efficient, avoids secretly collecting effective 3D face informations excessively because of luminosity, therefore 3D faces image
It is both provided with lightening hole 8 above and below in the of first 4, lightening hole 8 is responsible for face polishing light filling, and setting symmetrical above and below can be to prevent
The only non-uniform problem of polishing, when carrying out acquisition face information using 2D faces camera 4, photometric requirement when to shooting is not
Height, but in order to obtain more effective face information, may also set up lightening hole 8 above and below 2D faces camera 4, for
Surrounding or other positions in face camera 4 can be arranged in the installation site of face polishing light filling, lightening hole 8 according to actual needs
It sets, details are not described herein.
In the present embodiment, light source 6 includes：Near-infrared light source 6, light source assembly 2 are arranged below distant range iris camera 1
At 100m-400mm, specifically, the setting of the light source assembly 2 at 227mm-233mm, passes through below the distant range iris camera 1
By light source group 5 at light source assembly 2 be client iris carry out polishing, improve the validity of collected iris.
As shown in figure 3, in a specific embodiment, distant range iris camera 1 includes：Shell, case surface setting
There are multiple camera mounting holes, iris camera 3 and the installation of face camera 4 inside the shell, and to be stretched out of camera mounting hole
Go out, iris camera 3 and face camera 4 are centainly protected by shell, improves device security.
In the present embodiment, shell side is provided with heat emission hole 9, by heat emission hole 9 to internal iris camera 3, people
Other components in face camera 4 and shell radiate, and ensure the working efficiency of iris camera 3 and face camera 4.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (10)
1. a kind of facial image acquisition device, which is characterized in that including：Distant range iris camera and setting are in the remote rainbow
The light source assembly of pre-determined distance below film camera；The distant range iris camera includes at least two irises every setting between the upper and lower
Camera is provided with face camera between the iris camera；The light source assembly includes what at least two groups were stacked
Light source group, the light source group include the light source of at least two-layer laminate setting.
2. facial image acquisition device according to claim 1, which is characterized in that the light source assembly further includes：Holder,
The light source is in that default setting angle is detachably arranged on the holder with the holder.
3. facial image acquisition device according to claim 2, which is characterized in that the light in the same light source group
Source is consistent with the setting angle of the holder.
4. working as facial image acquisition device according to claim 2, which is characterized in that the light source in the light source group
With ranging from 10 ° -45 ° of the setting angle of the holder.
5. facial image acquisition device according to claim 1, which is characterized in that the setting of the adjacent iris camera
Spacing range is 60mm-160mm.
6. facial image acquisition device according to claim 1, which is characterized in that the face camera includes：2D people
Face camera or 3D face cameras.
7. facial image acquisition device according to claim 6, which is characterized in that the top of the 3D faces camera and
Lower section is both provided with lightening hole.
8. facial image acquisition device according to claim 1, which is characterized in that the distant range iris camera includes：
Shell, the case surface are provided with multiple camera mounting holes, and the iris camera and the face camera are mounted on
In the shell, and stretched out out of described camera mounting hole.
9. facial image acquisition device according to claim 8, which is characterized in that the shell side is provided with heat dissipation
Hole.
10. according to any facial image acquisition device in claim 1-9, which is characterized in that the light source includes：Closely
Infrared light supply, light source assembly setting is below the distant range iris camera at 100m-400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820243025.8U CN207882924U (en) | 2018-02-09 | 2018-02-09 | A kind of facial image acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820243025.8U CN207882924U (en) | 2018-02-09 | 2018-02-09 | A kind of facial image acquisition device |
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| Publication Number | Publication Date |
|---|---|
| CN207882924U true CN207882924U (en) | 2018-09-18 |
Family
ID=63498838
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820243025.8U Active CN207882924U (en) | 2018-02-09 | 2018-02-09 | A kind of facial image acquisition device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110490096A (en) * | 2019-07-31 | 2019-11-22 | 苏州思源科安信息技术有限公司 | A kind of remote noninductive face iris all-in-one machine |
| CN112200113A (en) * | 2020-10-21 | 2021-01-08 | 天津中科智能识别产业技术研究院有限公司 | Self-adaptive light source device |
-
2018
- 2018-02-09 CN CN201820243025.8U patent/CN207882924U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110490096A (en) * | 2019-07-31 | 2019-11-22 | 苏州思源科安信息技术有限公司 | A kind of remote noninductive face iris all-in-one machine |
| CN112200113A (en) * | 2020-10-21 | 2021-01-08 | 天津中科智能识别产业技术研究院有限公司 | Self-adaptive light source device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220829 Address after: 1610, 16th floor, 101-2-16th floor, building 21, Rongda Road, Chaoyang District, Beijing 100012 Patentee after: Zhongguancun Technology Leasing Co.,Ltd. Address before: No. 57, Second Street, Economic and Technological Development Zone, Binhai New Area, Tianjin 300467 Patentee before: TIANJIN ZHONGKE HONGXING TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231023 Address after: Unit 1012, Building 1, TEDA MSD-G1, No. 57 Second Street, Binhai New Area Economic and Technological Development Zone, Tianjin, 300457 Patentee after: TIANJIN ZHONGKE HONGXING TECHNOLOGY CO.,LTD. Address before: 1610, 16th floor, 101-2-16th floor, building 21, Rongda Road, Chaoyang District, Beijing 100012 Patentee before: Zhongguancun Technology Leasing Co.,Ltd. |