CN206195921U - Device is taken a candid photograph to moving target people face iris - Google Patents
Device is taken a candid photograph to moving target people face iris Download PDFInfo
- Publication number
- CN206195921U CN206195921U CN201621226667.4U CN201621226667U CN206195921U CN 206195921 U CN206195921 U CN 206195921U CN 201621226667 U CN201621226667 U CN 201621226667U CN 206195921 U CN206195921 U CN 206195921U
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- China
- Prior art keywords
- camera
- control device
- zoom lens
- target face
- casing
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Abstract
The utility model discloses a device is taken a candid photograph to moving target people face iris is equipped with first camera, second camera, zoom lens control device and controlling means in its box, offered the slotted hole on the box lateral wall, first camera, second camera be zoom, both intervals in the box set up and the shooting angle all up, set up first reflector in the light path of first camera, set up the second reflector in the light path of second camera, treat that the photographing area image passes behind the slotted hole to get into corresponding camera by the reflector refraction, form binocular disparity, first camera, second camera and zoom lens control device all link to each other with controlling means, zoom lens control device links to each other respectively with first camera and second camera for adjust the focus of first camera and second camera, the box on vertically set up the pivot, make the box pivot be the center rotation. This device can be trailed people's face motion target image at a distance, shoots the high definition image who satisfies iris discernment.
Description
Technical field
The utility model belongs to technical field of computer vision, and in particular to a kind of mobile target face iris captures dress
Put.
Background technology
Safety problem is always one of key problem of public's concern.Suspect or crime are recognized using monitoring system
Molecule is its critical function, such as carries out artificial interpretation using captured target image or is compared with face, iris in database
Pair or, automatic identification is suspicious, have previous conviction or fugitive personnel, plays safe early warning, assist the effect of investigation, if the target figure for shooting
As not enough clearly, then monitoring system function is difficult to play.
Photograph currently employed in monitoring system, camera gun are essentially all tight shot.For example, in traffic
The candid photograph that crossing is made a dash across the red light to automobile, exactly employs tight shot, to specific track, the automobile that makes a dash across the red light of specific distance
Captured.But, in many occasions, because the position of mobile monitor target, distance, direction are all different, cause using fixed
Monitoring objective is smudgy in the monitored picture that zoom lens are absorbed.In fact, being so largely reducing the prison of monitoring system
Control effect.Want solve problem, using the camera of ultrahigh resolution, but so can not only considerably increase setting for system
Standby Meteorological, but also the load of video storage overhead and network transmission can be dramatically increased.
The content of the invention
The purpose of this utility model is to solve remote mobile target face iris to capture difficulty technical problem higher,
And there is provided a kind of mobile target face iris grasp shoot device.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
Mobile target face iris grasp shoot device, including casing, are provided with the first camera, second camera, change in casing
Coke installation and control device, open up grooved hole on wall box；Described the first camera, second camera are varifocal mirror
Head, both interval settings and shooting angle is upward in casing；First reflective mirror, second are set in the light path of the first camera
Second reflective mirror is set in the light path of camera, area image to be captured through after slotted eye through being refracted into accordingly by reflective mirror
In camera, binocular parallax is formed；First camera, second camera and zoom lens control device are connected with control device；Zoom is filled
Put and be respectively connected with the first camera and second camera, the focal length for adjusting the first camera and second camera；It is described
Casing on longitudinally disposed rotating shaft, casing is rotated centered on rotating shaft.
Preferably, described zoom lens control device includes two groups of stepper motors and its driver, two drivers respectively with control
Device processed is connected；Zoom ring on each camera respectively with a Gear Contact, each gear is respectively by screw mandrel by one
Driving stepper motor, for rotating zoom ring to adjust camera focal length.
As it is further preferably, two groups of stepper motors and its driver and corresponding screw mandrel model all same are synchronous
Zoom is carried out to the first camera and second camera.
Preferably, the first described camera and second camera are infrared camera.
Preferably, casing outside is additionally provided with the flash lamp for illuminating target to be captured.
Preferably, described rotating shaft is driven by motor rotate, and motor is controlled by described control device.
Preferably, the pixel of the first described camera and second camera is not less than 10,000,000.
Preferably, the focal range of the first described camera and second camera is 80-400mm.
The beneficial effects of the utility model are：By two binocular parallaxs of camera, mesh to be captured can be quickly determined
The distance between mark and camera, so as to adjust the focal length of camera, must reach the moving target of face iris recognition requirement
Image.And due to being provided with two pancratic cameras simultaneously, the process of the zoom that can constantly repeat first to find range again,
Step up the quality of shooting image.Show through overtesting, the present apparatus can be to face moving target at a distance (up to about 30 meters)
Image is tracked, and photographs the high-definition image for meeting iris recognition.Iris grasp shoot device is thus substantially reduced to figure
As the performance requirement of capture apparatus, cost is reduced.
Brief description of the drawings
Fig. 1 is a kind of basic structure schematic diagram of mobile target face iris grasp shoot device.
Fig. 2 is a kind of synchronous driving process schematic diagram of mobile target face iris grasp shoot device；
Fig. 3 is a kind of mobile preferred implementation structural representation of target face iris grasp shoot device.
In figure：In figure：Target to be captured 1, the first reflective mirror 2, the first camera 3, the second reflective mirror 4, second camera
5th, zoom lens control device 6, control device 7, the first stepper motor 8 (including screw mandrel and gear), the second stepper motor 9 (including screw mandrel and
Gear), casing 10, slotted eye 11, support 12, flash lamp 13 and rotating shaft 14.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings, because facilitating a better understanding of.Technology in the present invention is special
Levy on the premise of not colliding with each other, can be mutually combined, be not construed as limiting.
As shown in figure 1, be a kind of basic structure schematic diagram of mobile target face iris grasp shoot device, for simplicity,
Part support structures or attachment structure are simplified.The main body of whole device is a casing 10, plays protection and mounts
The effect of various assemblies.The first camera 3, second camera 5, zoom lens control device 6 and control device 7, casing are provided with casing 10
A rectangular-shaped slotted eye 11 is offered on 10 side walls.Depending on the area size that the big I of slotted eye 11 shoots as needed, when need
When wanting shooting area larger, slotted eye 11 is also required to increase therewith.First camera 3, second camera 5 are zoom lens.The
Mutually across a certain distance, specific spacing size is defined by that can form binocular parallax for one camera 3, second camera 5.Two shootings
The camera lens of head is set upward, and the first reflective mirror 2 is set in the light path of the first camera 3, is set in the light path of second camera 5
The second reflective mirror 4 is put, two sheets of mirrors is read ° angle and set horizontal by about 45, the image of target to be captured 1 is passed through rectangle
After slotted eye 11, then via reflective mirror refraction vertically into corresponding camera.Due to two cameras phases across a certain distance, it is right
The camera site of same target is different, therefore, it is possible to form binocular parallax.First camera 3, second camera 5 and control device
7 are connected.Control device 7 can using that can realize the device that data processing and equipment are automatically controlled, such as single-chip microcomputer, MCU, PLC or
Other microcomputers, industrial computer, computer etc..Data processing and equipment control can be realized by a control device 7, it is also possible to set up separately with
On many motors control device 7, or realize remote computation with control.Its operation principle is illustrated in figure 2, two cameras shoot
Transmitted into control device 7 in time after to image, it is analyzed by control device 7, find target, and according to corresponding binocular
Vision range finding algorithm obtains distance of the camera apart from the target.Meanwhile, also distinguish on the first camera 3 and second camera 5
Zoom lens control device 6 is connected with, and zoom lens control device 6 is connected with control device 7, according to the distance that control device 7 is calculated, feedback synchronization
Two cameras of control carry out identical focus adjustment, so as to clearly photographic subjects facial photo.
The device can be divided into two stages, initial phase and working stage using process.
Initial phase：Scaler is needed to position before camera, to define the corrected parameter of distance.
Working stage：Target to be captured 1 sends scenery light and projects the first camera 3, second camera 5 respectively, this
When picture frame is formed in the control device 7, according to principle of parallax, can measure moving object distance camera distance (depending on
Difference is exactly that the direction difference produced by same target is observed from two points for having certain distance).Zoom lens control device 6 is according to measurement
The partial distance for drawing, adjusts corresponding camera.Due to being provided with two pancratic cameras simultaneously, can be continuous
Repetition first find range again the process of zoom, step up the quality of shooting image.After zoom lens control device 6 mixes up accurate focal length, control
Make corresponding camera photographic subjects image.Herein be used for shooting image camera may be selected two cameras in definition compared with
High one, it is also possible to which two carry out shooting the final selection preferable image of imaging effect simultaneously.
Can be fixed in rotating shaft 14 by bearing with longitudinally disposed rotating shaft 14, casing 10 on casing 10, make the casing 10 can
Rotated centered on rotating shaft 14.Rotating shaft 14 can in addition set a motor and be driven rotation, and motor can also be by controlling
Device 7 carries out coordinated signals.Thus, the device is placed in the depletion region on square etc, and peripheral regions are carried out with unenhanced, reality
Now comprehensively monitoring and candid photograph, improves the utilization rate of device.
Reflective mirror is set primarily to reducing the space of its occupancy in device shown in Fig. 1, in the light path of camera, is made
It being capable of compact in design.If being not provided with reflective mirror, camera is laterally disposed side by side, and needs to maintain a certain distance between the two
To meet vision range finding requirement.The fuselage of camera is typically more huge and heavy, may also need to be supported, thus can be big
The big volume for increasing whole device.Therefore the design of reflective mirror can be such that both vertically place, and reduce volume and improve laying
Convenience.Further, if desired, can also make the angle adjustable of reflective mirror, to control two shooting angle of camera
With emphasis shooting area.
Zoom lens control device 6 can be built in zoom lens, directly receive the control letter of control single chip computer equal controller 7
Number, it would however also be possible to employ external device.Fig. 3 can use following form as a kind of preferred implementation, zoom lens control device 6：Its
Including two groups of stepper motors：First stepper motor 8 (connection wire rod and gear on its output shaft), (its output of the second stepper motor 9
Connection wire rod and gear on axle) and two stepper motor drivers supporting with it, two drivers respectively with control device 7
Be connected the signal that simultaneously receiving control device 7 sends, then the corresponding stepper motor of feedback control, and driver is carried out by 220V power supplys
Power supply.Using the zoom ring control focal length commonly used in general camera on each camera.It is surround on zoom ring and is laid with dentation
Projection, matching is carried out by a gear and the projection on zoom ring and is contacted, by pinion rotation drive zoom ring rotate.Often
Individual gear connects the output shaft of stepper motor by a screw mandrel respectively, is rotated by the zoom ring that rotarily drives of stepper motor,
To adjust camera focal length.The combination that each camera has one set drive+stepper motor+screw mandrel+gear is driven, figure
In the first camera 3 driven by the second stepper motor 9, the stepper motor 8 of second camera 5 first drives.
In order to keep two synchronisms of camera zoom, two groups of stepper motors and its driver and corresponding screw rod type
Number all same.Thus, control device 7 can send identical drive signal to two stepper motor drivers, synchronous to be taken the photograph to first
As first 3 and second camera 5 carry out zoom.When two camera focal lengths synchronously change, can complete once to find range and become again
It is defocused, target is found range again, further accurately adjusting focal length.When target range camera farther out when, can repeatedly weigh
Process of the repetition measurement away from simultaneously zoom, to improve the accuracy of focusing as far as possible, to photograph clearly target facial image.
Other existing synchronous driving modes or synchronous drive device can certainly be used, as long as can be imaged to two
Head synchronizes zoom.
When shooting area brightness is inadequate, the outside of casing 10 can be provided for illuminating the flash lamp 13 of target to be captured 1.
Flash lamp 13 is supported in outside casing 10 by bracket with foldable 12, and towards direction to be captured (as shown in Figure 3).Flash lamp
13 can also be connected with control device 7, be linked with camera.But if regional luminance when meeting photographing request enough, can not
Set.
The moving target dark for scene, camera is replaced by infrared pick-up head, so can solve background not
Enough bright scenes.During to the image for realizing higher precision requirement, the first camera 3, second camera 5 use infrared phase
Machine.
By experiment, when the pixel of the first camera 3 and second camera 5 is not less than 10,000,000, can clearly shoot
To the image for meeting face iris recognition, therefore need to meet the minimum pixel requirement when type selecting is carried out to camera.In addition,
Show by test, when the focal range of the first camera 3 and second camera 5 is 80-400mm, can be remote in the range of 30m
Distance clearly photographs the facial image of moving object, meets iris recognition requirement.
Embodiment described above is preferably scheme more of the invention, and so it is not intended to limiting the invention.Have
The those of ordinary skill for closing technical field, without departing from the spirit and scope of the present invention, can also make various changes
Change and modification.For example, the device can be used not only for shooting face iris recognition image, it can also be used to photographic subjects recent photograph, make
It is other purposes.Accompanying drawing of the invention is only used for aiding in illustrating, and part detailed structure is simplified, should be with specification word
Capable understanding is partially incorporated into, without limitation.Therefore the technical side that all modes for taking equivalent or equivalent transformation are obtained
Case, all falls within protection scope of the present invention.
Claims (8)
1. a kind of mobile target face iris grasp shoot device, it is characterised in that be provided with including casing, in casing the first camera,
Second camera, zoom lens control device and control device, open up grooved hole on wall box；Described the first camera, the second shooting
Head is zoom lens, both interval settings and shooting angle is upward in casing；Is set in the light path of the first camera
One reflective mirror, sets the second reflective mirror in the light path of second camera, area image to be captured is passed through by reflective mirror after passing through slotted eye
It is refracted into corresponding camera, forms binocular parallax；First camera, second camera and zoom lens control device are filled with control
Put connected；Zoom lens control device is respectively connected with the first camera and second camera, for adjusting the first camera and the second shooting
The focal length of head；Longitudinally disposed rotating shaft on described casing, makes casing to be rotated centered on rotating shaft.
2. it is as claimed in claim 1 to move target face iris grasp shoot device, it is characterised in that described zoom lens control device includes
Two groups of stepper motors and its driver, two drivers are connected with control device respectively；Zoom ring difference on each camera
With a Gear Contact, each gear taken the photograph with adjusting respectively by screw mandrel by a driving stepper motor for rotating zoom ring
As head focal length.
3. it is as claimed in claim 2 to move target face iris grasp shoot device, it is characterised in that two groups of stepper motors and its drive
Dynamic device and corresponding screw mandrel model all same, it is synchronous that zoom is carried out to the first camera and second camera.
4. target face iris grasp shoot device as claimed in claim 1 mobile, it is characterised in that described the first camera and
Second camera is infrared camera.
5. target face iris grasp shoot device as claimed in claim 1 mobile, it is characterised in that casing outside be additionally provided with for
Illuminate the flash lamp of target to be captured.
6. it is as claimed in claim 1 to move target face iris grasp shoot device, it is characterised in that described rotating shaft is driven by motor
Rotation is moved, and motor is controlled by described control device.
7. target face iris grasp shoot device as claimed in claim 1 mobile, it is characterised in that described the first camera and
The pixel of second camera is not less than 10,000,000.
8. target face iris grasp shoot device as claimed in claim 1 mobile, it is characterised in that described the first camera and
The focal range of second camera is 80-400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621226667.4U CN206195921U (en) | 2016-11-11 | 2016-11-11 | Device is taken a candid photograph to moving target people face iris |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621226667.4U CN206195921U (en) | 2016-11-11 | 2016-11-11 | Device is taken a candid photograph to moving target people face iris |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206195921U true CN206195921U (en) | 2017-05-24 |
Family
ID=58725703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621226667.4U Expired - Fee Related CN206195921U (en) | 2016-11-11 | 2016-11-11 | Device is taken a candid photograph to moving target people face iris |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206195921U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107343174A (en) * | 2017-07-26 | 2017-11-10 | 浙江树人学院 | The false proof face iris grasp shoot device of mobile target and method at a distance |
| CN110726669A (en) * | 2019-08-31 | 2020-01-24 | 苏州国科测试科技有限公司 | Flying probe is camera subassembly and flying probe test equipment for test equipment |
| WO2020057570A1 (en) * | 2018-09-18 | 2020-03-26 | AI Gaspar Limited | System and process for identification and illumination of anatomical sites of a person and articles at such sites |
| US20220180629A1 (en) * | 2018-09-26 | 2022-06-09 | Nec Corporation | Information providing device, information providing method, and storage medium |
| CN114688987A (en) * | 2022-03-29 | 2022-07-01 | 北华航天工业学院 | In-situ measurement device and method |
-
2016
- 2016-11-11 CN CN201621226667.4U patent/CN206195921U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107343174A (en) * | 2017-07-26 | 2017-11-10 | 浙江树人学院 | The false proof face iris grasp shoot device of mobile target and method at a distance |
| WO2020057570A1 (en) * | 2018-09-18 | 2020-03-26 | AI Gaspar Limited | System and process for identification and illumination of anatomical sites of a person and articles at such sites |
| US20220180629A1 (en) * | 2018-09-26 | 2022-06-09 | Nec Corporation | Information providing device, information providing method, and storage medium |
| US11816927B2 (en) | 2018-09-26 | 2023-11-14 | Nec Corporation | Information providing device, information providing method, and storage medium |
| US11816928B2 (en) | 2018-09-26 | 2023-11-14 | Nec Corporation | Information providing device, information providing method, and storage medium |
| CN110726669A (en) * | 2019-08-31 | 2020-01-24 | 苏州国科测试科技有限公司 | Flying probe is camera subassembly and flying probe test equipment for test equipment |
| CN110726669B (en) * | 2019-08-31 | 2022-05-24 | 苏州国科测试科技有限公司 | Flying probe is camera subassembly and flying probe test equipment for test equipment |
| CN114688987A (en) * | 2022-03-29 | 2022-07-01 | 北华航天工业学院 | In-situ measurement device and method |
| CN114688987B (en) * | 2022-03-29 | 2023-10-20 | 北华航天工业学院 | In-situ measurement device and method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20171111 |