CN207037685U - One kind illuminates adjustable iris collection device - Google Patents
One kind illuminates adjustable iris collection device Download PDFInfo
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- CN207037685U CN207037685U CN201720833293.0U CN201720833293U CN207037685U CN 207037685 U CN207037685 U CN 207037685U CN 201720833293 U CN201720833293 U CN 201720833293U CN 207037685 U CN207037685 U CN 207037685U
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Abstract
One kind illuminates adjustable iris collection device, including adjustable illumination device, algorithm processing module, camera module, wherein the adjustable illumination device includes light source, light-source angle adjusting means, light source arrangement for adjusting height, slide rail, control unit and power set；The utility model passes through adjustable illumination device and algorithm processing module, camera module co-ordination, realize freely controlling for lighting device position and angle, thus the hot spot that iris region is blocked on eyeglass is removed, solving the problems, such as to wear glasses, user's eyeglass during using iris identification equipment is reflective to be interfered to iris recognition, meet that user's normal use iris identification equipment in the case of wearing spectacles carries out authentication, improve Consumer's Experience, the automatic adjusument of other lighting device can enable client iris uniformly sufficiently illuminate, high-visible iris texture is presented, ensure that iris recognition is smoothed out.
Description
Technical field
It the utility model is related to a kind of image collecting device, and in particular to one kind illuminates adjustable iris collection device.
Background technology
Iris authentication system performance is largely influenceed by iris sample quality, iris coverage extent, iris line
Reason readability is to restrict the primary factor of iris sample quality, but during iris capturing, eyeglass is reflective, illumination is uneven
Phenomena such as even, happens occasionally, and existing iris identification equipment does not solve the above problems fundamentally, but to sacrifice user's body
Test is that cost is provided with many restrictions to use process.
User is needed to take off one's glasses during most of iris identification device experience, its main cause is because eyeglass can be right
The light of light source transmitting is reflected, and the light collection reflected is imaged onto in iris identification device, causes the iris figure obtained
As a large amount of hot spots be present, these hot spots very likely block iris region texture information so that the nothing from the iris image of acquisition
Method obtains enough iris informations and is identified.
To solve the experience sex chromosome mosaicism that glasses reflection is brought, mentioned in related iris device system patent more using multi-angle
The mode of supplementary lighting sources, by controlling multiple supplementary lighting sources in different angle, light filling is opened according to certain order and quantity
Light source, image of the shooting user under Difference angles light source, records glasses reflective information, so that it is determined which angle opened
The supplementary lighting sources of degree can ensure that obtaining best iris image is identified, but not only device complexity needs multiple light fillings to this mode
Light source, recognition speed are relatively low compared with slow and recognition success rate.For the settling mode of multiple supplementary lighting sources, subsequently there is research to pass through
Registration and the iris feature image of supplementary lighting sources number as many when iris is registered, are entered in identification by changing supplementary lighting sources
Row identification is to improve recognition speed and success rate, but it is comparatively laborious that iris therefore can be caused to register, and storage data quantity is big, and entirely
Identifying processing mechanism is complicated.
Utility model content
For above-mentioned problem, the utility model provides a kind of adjustable iris collection device of illumination, apparatus structure
Simply, by adjusting angle and the position of lighting device, the degree of accuracy and the client iris of client iris identification of wearing glasses are improved
The uniformity coefficient of regional luminance.
The technical solution of the utility model：One kind illuminates adjustable iris collection device, including adjustable illumination device, algorithm
Processing module, camera module, it is characterised in that adjustable illumination device includes light source, light-source angle adjusting means, light source height
Adjusting means, slide rail, control unit and power set；
The light-source angle adjusting means includes light source vertical angle adjusting means, light source levels angle regulator, light
Source vertical angle adjusting means is placed in above light source levels angle regulator, is fixed by fastener；
The light source arrangement for adjusting height is placed in below light source levels angle regulator, is fixed by fastener, light source
Arrangement for adjusting height sets base；
The slide rail sets groove, and the base of the light source arrangement for adjusting height is placed in groove, along impression orbit water
It is smooth dynamic；
The light source is placed in light source vertical angle adjusting means；
The power set are connected with light-source angle adjusting means, light source arrangement for adjusting height, slide rail respectively, are light source angle
Degree regulation, light source, which highly adjust to slide with light source levels, provides power；
Described control unit is connected with power set, for adjusting the angles and positions of the light source；
During iris capturing, adjustable illumination device and algorithm processing module, camera module co-ordination, at algorithm
Manage the iris image that camera module gathers under module analysis current lighting state, send light-source angle and position adjusting information to
The control unit of adjustable illumination device, control unit send instructions to the angles and positions regulation that power set enter line light source, made
The iris image of collection can be normally carried out iris recognition.
Preferably, light-source angle adjusting means is arranged to all-directional rotation head, has two motors inside head, respectively
The rotation of head both vertically and horizontally is controlled, and with vertical, horizontal limited bolt and microswitch, works as angle of rotation
When degree reaches set in advance spacing, microswitch is cut off the electricity supply, and head stops operating, and the light source arrangement for adjusting height is set
For lifting screw.
Preferably, straight line where the illuminating ray of the light source and the camera and people's eye iris of camera module connection institute
Angle between straight line is not less than 5 °.
Preferably, the light-source angle adjustable range is not more than 30 °, and light source position adjustable range is not more than 15cm.
Preferably, described control unit electrically connects with power set.
Preferably, described control unit includes stepper controller, and the stepper controller can adjust the light by gear
The angles and positions in source.
Preferably, the upper surface for the groove that the slide rail is set sets corresponding number of division, the groove center position pair
Initial position is answered, number of division 0cm, mark initial position is positive direction to the right, and mark initial position is negative direction to the left.
Preferably, described camera module is arranged to one or more, and described adjustable illumination device is arranged to one
It is or multiple.
The beneficial effects of the utility model：One kind illuminates adjustable iris collection device, by adjustable illumination device with calculating
Method processing module, camera module co-ordination, realize freely controlling for lighting device angles and positions, thus remove eyeglass
On block the hot spot of iris region, solve and wear glasses that user's eyeglass during using iris identification equipment is reflective to be known to iris
The problem of not interfering, meet that user's normal use iris identification equipment in the case of wearing spectacles carries out authentication,
The automatic adjusument of other lighting device can enable client iris uniformly sufficiently illuminate, and high-visible iris line is presented
Reason, ensures that iris recognition is smoothed out.
It should be appreciated that foregoing description substantially and follow-up description in detail are exemplary illustration and explanation, should not
As the limitation to the claimed content of the utility model.
Brief description of the drawings
With reference to the accompanying drawing enclosed, the more purposes of the utility model, function and advantage will pass through the utility model embodiment party
The described below of formula is illustrated, wherein：
Fig. 1 a~Fig. 1 c show the theory structure schematic diagram of adjustable illumination device of the present utility model；
Fig. 2 shows the utility model iris collection device fundamental diagram；
Adjustable illumination design factors of the present utility model and position adjustments schematic diagram are shown respectively in Fig. 3 a1~Fig. 3 d2；
Fig. 4 shows that iris collection device of the present utility model prevents the reflective algorithm process flow chart of eyeglass；
Fig. 5 a1~Fig. 5 e2 are shown respectively adjustable illumination device of the present utility model and remove hot spot process schematic；
Fig. 6 a1~Fig. 6 c2 are shown respectively actual acquisition before and after adjustable illumination device of the present utility model regulation and worn glasses use
The iris image comparative examples at family；
Fig. 7 a1~Fig. 7 b2 show that the actual acquisition image comparison of improvement iris brightness uniformity degree of the present utility model is shown
Example.
Embodiment
By reference to one exemplary embodiment, the purpose of this utility model and function and for realizing these purposes and function
Method will be illustrated.However, the utility model is not limited to one exemplary embodiment as disclosed below；Can be by not
It is realized with form.The essence of specification is only to aid in various equivalent modifications Integrated Understanding the utility model
Detail.
Hereinafter, embodiment of the present utility model will be described with reference to the drawings.In the accompanying drawings, identical reference represents
Same or similar part, or same or like step.
Fig. 1 a~Fig. 1 c show adjustable illumination apparatus structure schematic diagram of the present utility model.It is adjustable photograph as shown in Figure 1a
The front view of bright device, Fig. 1 b show the left view of adjustable illumination device, and Fig. 1 c show adjustable illumination device top view.Can
Lighting device is adjusted to include light source 101, light source vertical angle adjusting means 102, light source levels angle regulator 103, light source high
Spend adjusting means 104 and slide rail 105, control unit (not shown), power set (not shown).
Light source vertical angle adjusting means 102 is placed in the top of light source levels angle regulator 103, is consolidated by fastener
It is fixed；
The light source arrangement for adjusting height 104 is placed in the lower section of light source levels angle regulator 103, is consolidated by fastener
Fixed, light source arrangement for adjusting height 104 sets base；
The slide rail 105 is provided with groove, and the base of the light source arrangement for adjusting height 104 is placed in the groove, along
Impression orbit is horizontal to be slided；
The groove is provided with corresponding number of division, the groove center position correspondence initial position, number of division 0cm, mark
Remember that initial position is positive direction to the right, mark initial position is negative direction to the left；
The light source 101 is placed in light source vertical angle adjusting means 102；
The power set include light-source angle regulation power set, light source highly adjusts power set and light source levels are slided
Dynamic power set, are electrically connected with light-source angle adjusting means, light source arrangement for adjusting height, slide rail respectively；
Described control unit electrically connects with power set, for adjusting the angles and positions of the light source.
Fig. 2 show the fundamental diagram of iris collection device of the present utility model.As shown in Fig. 2 the shooting head mould
The collection client iris image of group 201, and it is transferred to algorithm processing module 202；The iris figure that the processing of algorithm processing module 202 receives
As data, light-source angle and position adjusting information are generated, is sent to the control unit 204 of adjustable illumination device 203；Control unit
204 receiving angles and position adjusting information, stepping position adjusts the angles and positions of lighting device, to adjustable illumination device 203
Power set 205 send regulating command；Information is completed in the backward feedback regulation of control unit 204 that power set 205 complete regulation；
After control unit 204 receives regulation completion information, collection image command is sent to camera module 201, resurveys iris
Image simultaneously carries out Algorithm Analysis；If algorithm processing module 202 judges that present image can be normally carried out iris recognition, including rainbow
Diaphragm area be not affected by hot spot block, brightness uniformity etc., then terminate regulation process.
Wherein, described camera module 201 and adjustable illumination device 203 could be arranged to one or more, can include
3 kinds of situations below：
1) camera module 201 and adjustable illumination unit 203 are disposed as 1；
2) camera module 201 is arranged to 1, and adjustable illumination unit 203 is arranged to 2 or multiple, wherein, it is multiple adjustable
Lighting unit, which can work independently, to work simultaneously；
3) camera module 201 and adjustable illumination unit 203 are both configured to 2 or multiple, wherein, multiple camera modules
It can individually open, work independently, together can also open while work, multiple adjustable illumination units can be opened individually, independent work
Make, together can also open while work.
Fig. 3 a1~Fig. 3 d2 show adjustable illumination design factors of the present utility model and position adjustments schematic diagram, such as scheme
3a1, Fig. 3 a2 show light source vertical angle regulation schematic diagram, and the luffing angle of light source irradiation light is adjusted by rotary head,
It is by rotary head that the irradiation light direction of light source is horizontal as Fig. 3 b1, Fig. 3 b2 show light source levels angular adjustment schematic diagram
To rotation, such as Fig. 3 c1, schematic diagram is highly adjusted for light source described in Fig. 3 c2, the lifting of light source position is realized by lifting screw,
As Fig. 3 d1~Fig. 3 d2 show light source levels position adjustments schematic diagram, slided along impression orbit and realize that light source moves left and right.
Preferably, straight line where the illuminating ray of light source and the camera and people's eye iris of camera module connection place are straight
Angle between line is not less than 5 °.
Preferably, angle of regulation range is not more than 30 °, and position adjustments scope is not more than 15cm.
Fig. 4, which show adjustable illumination device of the present utility model, prevents the reflective algorithm process flow chart of eyeglass, at algorithm
After reason module receives iris image, prevent the reflective algorithm process process of eyeglass from comprising the following steps：
401) Glasses detection is carried out to the client iris image currently gathered；
402) judge user whether wearing spectacles, if detecting user's wearing spectacles, need to judge whether glasses are deposited
In reflective phenomenon, into step 403；Otherwise line light source regulation need not be entered, prevent the reflective algorithm process process of eyeglass from terminating；
403) spot area in image is positioned, calculates spot area area；
404) judge whether facula area exceedes default facula area threshold value, if it exceeds default facula area threshold value, should
Light-source angle and position adjustments scheme are formulated into step 408；Otherwise the positioning of iris inside and outside circle is continued；
405) iris inside and outside circle positioning is carried out to the iris image of collection, obtains Iris Location information；
406) spot location information and Iris Location information are combined, the hot spot for calculating iris region blocks fraction；
407) judge whether the hot spot coverage extent of iris in image hinders iris recognition to be smoothed out, set hot spot to block
Threshold value, if the hot spot for calculating gained blocks fraction and is higher than hot spot occlusion threshold, light-source angle and position are formulated into step 408
Put regulation scheme；Otherwise line light source regulation need not be entered, prevent the reflective algorithm process process of eyeglass from terminating；
408) according to spot location information and Iris Location information, light source regulation scheme is formulated, sends light source regulation information
To the control unit of adjustable illumination device.
Wherein, the facula area threshold value in step 404 can be set according to the view picture iris image size of collection.
The iris region blocked in step 406 by hot spot meets following formula：
|Ispc(x,y)-I(x0-y0)|≤Rout-Rin
Wherein, Ispc(x, y) represents the hot spot point coordinates positioned at iris region, I (x0-y0) iris center point coordinate is represented,
RoutRepresent iris exradius, RinRepresent iris inner circle radius.
Step 407 is judged to hot spot and blocked after fraction is higher than default hot spot occlusion threshold, qualifications can be set up, when image is adopted
When the number of algorithm processing module transmission light source regulation information exceedes pre-set limit during collection, prompting user can be generated and remove eye
The information of mirror, termination prevent the reflective algorithm process process of eyeglass.
The formulation light source regulation scheme of step 408 is arranged to light source position regulation, according to the relative position of hot spot and iris
And hot spot scope, regulation light source position hot spot is removed into iris region, when hot spot respectively be located at iris of both eyes upper half area,
Hot spot can move upward out iris region, and light source position should adjust upward；When hot spot is located at the lower half region of iris of both eyes, light respectively
Spot can downward out iris region, light source position should adjust downwards；When hot spot is located at the left area of iris of both eyes, hot spot respectively
Iris region can be removed to the left, and light source position should adjust to the left；When hot spot is located at the right half area of iris of both eyes respectively, hot spot can
Move right out iris region, and light source position should adjust to the right.
Step 408 may be arranged as the light-source angle regulation scheme harmonious with light source position regulation scheme, reduce
Facula area, and make illumination more uniform.When light source position adjusts upward, light-source angle can be adjusted downwards；Work as light source
When position adjusts upward, light-source angle can be adjusted downwards；When light source position adjusts to the left, light-source angle can be adjusted to the right
It is whole；When light source position adjusts to the right, light-source angle can be adjusted to the left.
Step 408 can also determine intensity of light source regulation scheme, reduce facula area by increasing light intensity.
The formulation light source regulation scheme of step 408, can be according to the position of hot spot if being not received by Iris Location information
With scope, light source position is adjusted.
Fig. 5 a1~Fig. 5 e2 show that adjustable illumination device regulation light source of the present utility model removes hot spot schematic diagram, including 5
Kind hot spot and the situation of iris of both eyes difference relative position.
Fig. 5 a1 are the schematic diagram for the upper half area adjustment light source position that hot spot is located at iris of both eyes.Wherein, including iris
511a, hot spot 512a, adjustable illumination device 513a and irradiation light 514a positioned at the upper half area of iris of both eyes；Fig. 5 a2 are
Light source position be adjusted up after schematic diagram, including iris 521a, remove hot spot 522a, the adjustable photograph in iris of both eyes region
Bright device 523a, irradiation light 524a；After adjustable illumination device 513a light source position is adjusted up so that originally position
Hot spot 512a in the upper half area of iris of both eyes moves upward out the iris region of eyes, and iris of both eyes region shows completely.
Light-source angle can downwards be adjusted accordingly during this, ensure that ocular is able to Uniform Illumination.
Fig. 5 b1 are the schematic diagram for the lower half region adjustment light source position that hot spot is located at iris of both eyes.Wherein, including iris
511b, the hot spot 512b positioned at the lower half region of iris of both eyes, adjustable illumination device 513b, irradiation light 514b；Fig. 5 b2 are light
Schematic diagram after the regulation downwards of source position, including iris 521b, hot spot 522b, the adjustable illumination in removal iris of both eyes region
Device 523b, irradiation light 524b；By by after adjustable illumination device 513b light source position downwards regulation so that be originally located at
The iris region of the downward out eyes of hot spot 512b in the lower half region of iris of both eyes, iris of both eyes region shows completely.Herein
During light-source angle can be adjusted up accordingly, ensure that ocular is able to Uniform Illumination.
Fig. 5 c1 are the schematic diagram for the left area adjustment light source position that hot spot is located at iris of both eyes.Wherein, including iris
511c, positioned at iris of both eyes left area hot spot 512c, adjustable illumination device 513c, irradiation light 514c；Fig. 5 c2 are light
Schematic diagram after source position is adjusted to the left, including iris 521c, the hot spot 522c, the adjustable illumination device that remove iris of both eyes region
523c, irradiation light 524c.After adjustable illumination device 513c light source position is adjusted to the left so that originally positioned at eyes
The hot spot 512c of the left area of iris removes the iris region of eyes to the left, and iris of both eyes region shows completely.In this process
In light-source angle can be adjusted to the right accordingly, ensure that ocular is able to Uniform Illumination.
Fig. 5 d1 are the schematic diagram for the right half area adjustment light source position that hot spot is located at iris of both eyes.Wherein, including iris
511d, the hot spot 512d positioned at the right half area of iris of both eyes, adjustable illumination device 513d, irradiation light 514d；Fig. 5 d2 are light
Schematic diagram after source position is adjusted to the right, including iris 521d, the hot spot 522d, the adjustable illumination device that remove iris of both eyes region
523d, irradiation light 524d.After adjustable illumination device 513d light source position is adjusted to the right so that originally positioned at eyes
The hot spot 512d of the left area of iris removes to the right the iris region of eyes, and iris of both eyes region shows completely.In this process
In light-source angle can be adjusted to the left accordingly, ensure that ocular is able to Uniform Illumination.
Fig. 5 e1 are that the schematic diagram that iris of both eyes region adjusts light source position is completely covered in hot spot.Wherein, including it is completely covered
Hot spot 511e, adjustable illumination device 512e, the irradiation light 513e in iris of both eyes region；Fig. 5 e2 are that light source position is adjusted to the right
Schematic diagram afterwards, including iris 521e, the hot spot 522e for removing iris of both eyes region, adjustable illumination device 523e, irradiation light
524e.After adjustable illumination device 512e light source position is adjusted to the right so that iris of both eyes hot spot is originally completely covered
511e removes to the right the iris region of eyes, and iris of both eyes region shows completely.In the process can be accordingly by light source angle
Degree is adjusted to the left, ensures that ocular is able to Uniform Illumination.
Actual acquisition wears glasses user's before and after Fig. 6 a1~Fig. 6 c2 show adjustable illumination device regulation of the present utility model
Iris image comparative examples.
The width image of Fig. 6 a1, Fig. 6 b1 and Fig. 6 c1 tri- is the iris figure for three users that wear glasses that light source regulation gathers before
Picture, wherein Fig. 6 a2, Fig. 6 b2 and Fig. 6 c2 are that three user's light sources of wearing glasses corresponding to Fig. 6 b1 and Fig. 6 c1 adjust it with Fig. 6 a1
The iris image gathered afterwards, the annular region in figure between white roundlet and white great circle is iris, and white high bright region is mirror
The hot spot of the reflective formation of piece.It can be seen that regulation light source can effective occlusion removal iris region hot spot, present and clearly may be used
The iris texture seen.
Fig. 6 a1 are the iris image of first lower collection of user's primary light source irradiation of wearing glasses, and are existed above iris region
The hot spot of larger area, iris region are blocked by scattered hot spot, and iris texture obscures, and can not carry out iris recognition；Fig. 6 a2 are
First iris image that the regulation of user's light source gathers afterwards of wearing glasses, black picture frame is moved to by adjusting light source by hot spot
Upper right edge, away from iris region, make iris texture high-visible, iris recognition can be normally carried out.
Fig. 6 b1 are that second is worn glasses the iris image of the lower collection of user's primary light source irradiation, and iris region upper right side is deposited
In the hot spot of larger area, and cause a certain degree of hot spot in iris region and block, the definition of iris texture is big
It is big to weaken, be not suitable for carrying out iris recognition；Fig. 6 b2 are that second is worn glasses the iris image that gathers afterwards of user's light source regulation,
Hot spot is moved right by adjusting light source, removes iris region, strengthens iris texture definition, iris knowledge can be normally carried out
Not.
Fig. 6 c1 are the iris image of the 3rd lower collection of user's primary light source irradiation of wearing glasses, and iris region exists larger
The hot spot of area, causes iris region to be seriously blocked, and can not obtain complete iris texture, is not suitable for carrying out iris recognition；
Fig. 6 c2 are the 3rd iris image that gathers afterwards of user's light source regulation of wearing glasses, by adjusting light source by hot spot to upper right side
It is mobile, iris region is removed, iris texture is completely clearly presented, iris recognition can be normally carried out.
Fig. 7 a1~Fig. 7 b2 show that the actual acquisition image comparison of improvement iris brightness uniformity degree of the present utility model is shown
Example, the iris image for two users that wherein Fig. 7 a1, Fig. 7 b1 two images gather before for light source regulation, Fig. 7 a2, Fig. 7 b2
For the iris image that gathers afterwards of two user's light sources corresponding with Fig. 7 a1, Fig. 7 b1 regulation, it can be seen that regulation light source can be with
Improve the uniformity coefficient that client iris is illuminated, high-visible iris texture is presented.
Fig. 7 a1 are the iris image of the lower collection of first user's primary light source irradiation, and left eye brightness is moderate, and right eye compared with
Secretly, the iris texture for causing right eye is difficult to differentiate, and can not carry out iris recognition；Fig. 7 a2 are after first user's light source is adjusted
The iris image of collection, makes the brightness of right eye increase by adjusting light source, so as to which cognizable iris line can be presented in right and left eyes
Reason, can be normally carried out iris recognition.
Fig. 7 b1 are the iris image of the lower collection of second user primary light source irradiation, and right and left eyes brightness is seriously uneven, left eye
Cross bright, and right eye is partially dark, is not suitable for carrying out iris recognition；Fig. 7 b2 are the iris figure that the regulation of second user light source gathers afterwards
Picture, make right and left eyes brightness uniformity by adjusting light source, add the definition of iris texture, iris recognition can be normally carried out.
With reference to the explanation of the present utility model disclosed here and practice, other embodiment of the present utility model is for this area
Technical staff will be readily apparent and understand.Illustrate and embodiment be to be considered only as it is exemplary, it is of the present utility model really
Scope and spirit are defined in the claims.
Claims (7)
1. one kind illuminates adjustable iris collection device, including adjustable illumination device, algorithm processing module and camera module, its
It is characterised by, adjustable illumination device includes light source, light-source angle adjusting means, light source arrangement for adjusting height, slide rail, control unit
And power set；
The light-source angle adjusting means includes light source vertical angle adjusting means, light source levels angle regulator, and light source hangs down
Fixed between squareness adjusting means and light source levels angle regulator by fastener；
Fixed between the light source arrangement for adjusting height and light-source angle adjusting means by fastener, light source arrangement for adjusting height
Base is set；
The slide rail sets groove, and the base of the light source arrangement for adjusting height is placed in groove, is slided along impression orbit is horizontal；
The light source is placed in above light-source angle adjusting means；
The power set are connected with light-source angle adjusting means, light source arrangement for adjusting height, slide rail respectively, are adjusted for light-source angle
Section, light source, which highly adjust to slide with light source levels, provides power；
Described control unit is connected with power set, for adjusting the angles and positions of the light source.
2. a kind of adjustable iris collection device of illumination according to claim 1, it is characterised in that the light-source angle is adjusted
Regulating device is arranged to rotary head, and the light source arrangement for adjusting height is arranged to lifting screw.
A kind of 3. adjustable iris collection device of illumination according to claim 1, it is characterised in that the illuminating ray of light source
Angle between straight line where place straight line and the connection of the camera and people's eye iris of camera module is not less than 5 °.
A kind of 4. adjustable iris collection device of illumination according to claim 1, it is characterised in that the adjustable illumination dress
The angles and positions for adjusting the light source are put, wherein the angle of regulation range is not more than 30 °, position adjustments scope is not more than
15cm。
A kind of 5. adjustable iris collection device of illumination according to claim 1, it is characterised in that described control unit energy
The angles and positions of the light source are enough adjusted by gear.
6. a kind of adjustable iris collection device of illumination according to claim 1, it is characterised in that what the slide rail was set
The upper surface of groove sets corresponding number of division, and the groove center position correspondence initial position, number of division 0cm, mark is just
Beginning, position moved right as positive direction, mark initial position to left movement be negative direction.
A kind of 7. adjustable iris collection device of illumination according to claim 1, it is characterised in that described shooting head mould
Group is arranged to one or more, and described adjustable illumination device is arranged to one or more.
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| CN201720833293.0U CN207037685U (en) | 2017-07-11 | 2017-07-11 | One kind illuminates adjustable iris collection device |
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| CN108872265A (en) * | 2018-07-23 | 2018-11-23 | 珠海格力智能装备有限公司 | Detection method, apparatus and system |
| CN109394168A (en) * | 2018-10-18 | 2019-03-01 | 天目爱视（北京）科技有限公司 | A kind of iris information measuring system based on light control |
| CN109394170A (en) * | 2018-10-18 | 2019-03-01 | 天目爱视（北京）科技有限公司 | A kind of iris information measuring system of no-reflection |
| CN110567371A (en) * | 2018-10-18 | 2019-12-13 | 天目爱视（北京）科技有限公司 | Illumination control system for 3D information acquisition |
| CN111582005A (en) * | 2019-02-18 | 2020-08-25 | Oppo广东移动通信有限公司 | Image processing method, image processing device, computer readable medium and electronic equipment |
| 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 |
| CN115314641A (en) * | 2022-08-09 | 2022-11-08 | 福思(杭州)智能科技有限公司 | Control method and device for image pickup apparatus, storage medium, and electronic device |
| EP4109329A4 (en) * | 2020-04-10 | 2024-04-03 | Eyecool Tech Co Ltd | Method and apparatus for acquiring facial image and iris image, readable storage medium, and device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872265A (en) * | 2018-07-23 | 2018-11-23 | 珠海格力智能装备有限公司 | Detection method, apparatus and system |
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