CN209218192U - A kind of image collecting device and terminal device - Google Patents
A kind of image collecting device and terminal device Download PDFInfo
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- CN209218192U CN209218192U CN201821103338.XU CN201821103338U CN209218192U CN 209218192 U CN209218192 U CN 209218192U CN 201821103338 U CN201821103338 U CN 201821103338U CN 209218192 U CN209218192 U CN 209218192U
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Abstract
The utility model embodiment discloses a kind of image collecting device, image collecting device includes printing board PCB, sensor, lens mounting module and camera module, wherein, sensor, lens mounting module and camera module are disposed on the mounting surface of PCB；PCB and lens mounting module constitute chamber resettling, and sensor is placed in chamber resettling, and the image processing device of sensor and image collecting device is established and is electrically connected；Lens mounting module is used for fixing camera mould group.The utility model embodiment also discloses a kind of terminal device.The utility model embodiment can prevent the entrance of Thermal infrared bands without using optical filter, but vivo identification is carried out using face thermal infrared effect, camera module passes through the training to face and picture, it can achieve the effect of vivo identification, to which the price of people's In vivo detection equipment be greatly reduced, be conducive to the application popularization degree for promoting living body detection device.
Description
Technical field
The utility model relates to image identification technical field more particularly to a kind of image collecting devices and terminal device.
Background technique
In field of face identification, In vivo detection has sufficient necessity, and recognition of face security risk causes public extensive
Concern.Highest attention is always maintained at for the security risk of In vivo detection.Face recognition technology means were carried out repeatedly
Safety upgrade such as realizes the synchronous detection of the random lip reading of more complicated multiple digital, phonetic image, face texture analysis, mask
The various dimensions preventive means such as detection and the anti-reproduction of video, and all these means are subjected to mixing together, realize mobile terminal with after
The strength protection system of platform.
Currently, can carry out binocular In vivo detection using binocular living body detection device, binocular living body detection device includes one
A RGB (red green blue, RGB) colour imagery shot and a near-infrared black and white camera, by near-infrared camera
It is responsible for In vivo detection, whether distinguish using the face retroreflective feature different with photo is living body.
However, the cost of above-mentioned binocular living body detection device is often higher, it is unfavorable for promoting the application of living body detection device
Popularization degree.
Utility model content
The utility model embodiment provides a kind of image collecting device and terminal device, prevents without using optical filter
The entrance of Thermal infrared bands, but vivo identification is carried out using face thermal infrared effect, camera module by face and
The training of picture, can achieve the effect of vivo identification, so that the price of people's In vivo detection equipment be greatly reduced, be conducive to be promoted
The application popularization degree of living body detection device.
In view of this, the utility model first aspect provides a kind of image collecting device, described image acquisition device packet
Include printing board PCB, sensor, lens mounting module and camera module, wherein on the mounting surface of the PCB successively
It is provided with the sensor, the lens mounting module and the camera module；
The PCB and the lens mounting module constitute chamber resettling, and the sensor is placed in the chamber resettling, and
The image processing device of the sensor and described image acquisition device, which is established, to be electrically connected；
The lens mounting module is for fixing the camera module.
The utility model second aspect provides a kind of terminal device, including image collector as described in relation to the first aspect
It sets.
As can be seen from the above technical solutions, the utility model embodiment has the advantage that
In the utility model embodiment, a kind of image collecting device is provided, which includes PCB, sensing
Device, lens mounting module and camera module, wherein sensor, lens mounting module are disposed on the mounting surface of PCB
And camera module, PCB and lens mounting module constitute chamber resettling, sensor is placed in chamber resettling, and sensor with
The image processing device of image collecting device, which is established, to be electrically connected, and lens mounting module is used for fixing camera mould group.Using upper
Structure is stated, the entrance of Thermal infrared bands can be prevented without using optical filter, but be lived using face thermal infrared effect
Body identification, camera module can achieve the effect of vivo identification by the training to face and picture, so that people be greatly reduced
The price of In vivo detection equipment is conducive to the application popularization degree for promoting living body detection device.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, can also be obtained according to these attached drawings it
His attached drawing.
Fig. 1 is a configuration schematic diagram of image collecting device in the utility model embodiment；
Fig. 2 is another configuration schematic diagram of image collecting device in the utility model embodiment；
Fig. 3 is another configuration schematic diagram of image collecting device in the utility model embodiment；
Fig. 4 is another configuration schematic diagram of image collecting device in the utility model embodiment；
Fig. 5 (a) is the light H103 resin contrast schematic diagram for having optical filter in the utility model embodiment；
Fig. 5 (b) is light H103 resin contrast schematic diagram free of light filter in the utility model embodiment；
Fig. 6 is a flow diagram of monocular In vivo detection in the utility model embodiment；
Fig. 7 is an application scenarios schematic diagram of terminal device in the utility model embodiment.
Specific embodiment
The utility model embodiment provides a kind of image collecting device and terminal device, prevents without using optical filter
The entrance of Thermal infrared bands, but vivo identification is carried out using face thermal infrared effect, camera module by face and
The training of picture, can achieve the effect of vivo identification, so that the price of people's In vivo detection equipment be greatly reduced, be conducive to be promoted
The application popularization degree of living body detection device.
Description and claims of this specification and term " first ", " second ", " third ", " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiment of the present invention described herein for example can be to remove
Sequence other than those of illustrating or describe herein is implemented.In addition, term " includes " and " having " and theirs is any
Deformation, it is intended that cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, system, production
Product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for this
A little process, methods, the other step or units of product or equipment inherently.
It should be understood that the utility model is mainly used for field of face identification, particular user In vivo detection field.In bio-identification
In system, the biological characteristic to prevent malicious person from forging and stealing other people is used for authentication, and biological recognition system need to have work
Detecting functions, that is, judge whether the biological characteristic submitted comes from lived individual.
What the In vivo detection technology of general biological characteristic utilized is the physiological characteristic of people, such as living body finger print detection can be with
Temperature based on finger perspires and the information such as electric conductivity, living body faces detection can movement based on head, breathing and
The information such as red-eye effect, living body iris detection can be based on the motion information and pupil pair of iris chatter characteristic, eyelashes and eyelid
Shrinkage expansion response characteristic of visible light source intensity etc..But as face recognition technology reaches its maturity, commercial applications are further
Extensively, however face is easily replicated with modes such as photo or videos, therefore is face to the personation of legitimate user's face
The important threat of identification and authentication system safety.Currently based on dynamic video Face datection, face blink, thermal infrared and visible light
The biopsy method of the leading industries such as face association has been achieved for biggish progress.
In three-dimensional (3Dimensions) face In vivo detection scheme, the 3D human face data based on living body and non-living body, choosing
The feature of most discrimination is selected to train classifier, distinguishes living body and non-living body using trained classifier.Feature
Selection be it is vital, the feature that we select here had both contained global information, also contained local information, in this way
Feature be conducive to the stability and robustness of algorithm.Specifically, face is shot using 3D camera.Obtain corresponding face area
The 3D data in domain, are further analyzed based on these data, finally judge that this face is from living body or non-living body.
Here the source of non-living body is that comparison is extensive, include but are not limited to the media such as mobile phone and tablet computer photos and videos or
The photo etc. of the unlike material of the various printings of person.
In near-infrared face In vivo detection scheme, it is mainly based upon optical flow method and realizes.Near-infrared face In vivo detection
Cooperate without instructing, detection success rate is higher.According to optical flow method, changed using the time domain of the pixel intensity data in image sequence
" movement " that respective location of pixels is determined with correlation obtains the operation information of each pixel from image sequence, uses
Difference of Gaussian filter, local binary patterns (Local Binary Pattern, LBP) feature and support vector machines carry out data
Statistical analysis.Meanwhile optical flow field is more sensitive to object of which movement, can unify the movement of detection eyeball and blink using optical flow field.
This In vivo detection mode can realize Blind Test in the case where user is without cooperation.
And the utility model utilizes face thermal infrared effect, carries out living body knowledge according to the imaging contrast of face and photo
Not.Wherein, the figure that infrared face image is shot using the infrared ray that the reception of special infrared imaging device gives off from face
Picture, its imaging effect are only related with the infrared radiation coefficient on face surface and facial Temperature Distribution.Imaging effect independent of
Illumination is not influenced by the colour of skin and makeup.At the same time, by the training to face and photo, it can achieve vivo identification
Effect.Specifically include following several identification steps:
(1) feature location of infrared face is carried out；
(2) feature extraction of infrared face is carried out；
(3) feature selecting is carried out to the feature of extraction；
(4) classify to infrared face expression；
(5) infrared face expression is identified using classifier.
Below in conjunction with Fig. 1 to Fig. 4, describe in detail to a kind of image collecting device provided by the utility model, such as
Shown in Fig. 1, a kind of image collecting device 100 is provided, image collecting device 100 includes printed circuit board (Printed
Circuit Board) PCB 10, sensor 20, lens mounting module 30 and camera module 40, wherein the peace of PCB 10
Sensor 20, lens mounting module 30 and camera module 40 are disposed on dress face；
PCB 10 and lens mounting module 30 constitute chamber resettling, and sensor 20 is placed in chamber resettling, and sensor 20
It establishes and is electrically connected with the image processing device of image collecting device 100；
Lens mounting module 30 is used for fixing camera mould group 40.
In the utility model, image collecting device 100 includes PCB 10, placement sensor 20, sensor on PCB 10
20 establish with the image processing device of image collecting device 100 and are electrically connected, so as to take camera module 40
Image feedback analyzes image by image processing device to image processing device.Alternatively it is also possible to by camera module
40 directly carry out preliminary treatment to image, to obtain processing result, then to image processing device feedback processing as a result, by image
Manage the image analysis of device further progress and processing.And camera module 40 needs to be fixed on PCB by lens mounting module 30
On 10.PCB 10 and lens mounting module 30 constitute chamber resettling, and sensor 20 is placed in chamber resettling.
Wherein, PCB 10 can be flexible printed-circuit board (Flex Print Circuit, FPC), rigid printed circuit
Plate or Rigid Flex.FPC is the single layer made using flexible substrate, the printed circuit board of bilayer or multilayer route.It
Have the characteristics that light, thin, short, small, high density, high stability and flexible structure, except can be in addition to static buckling, moreover it is possible to it is curved to make dynamic
Bent, curling and folding etc..Rigid printed circuit boards are the printed circuit boards made of on-deformable Rigid substrate materials, are made
Used time is in flattened state.It has many advantages, such as that intensity height is not easy warpage, and surface mount elements firmly install.Rigid Flex is by rigid
It scratches and forms the special flexibility of electrical connection with plated through-hole with the selectable composition laminated together of flexible substrate, close structure
Printed circuit board.It has the characteristics that high density, filament, small-bore, small in size, light-weight, high reliablity, vibration, impact,
Its performance is still very stable under wet environment.Can be flexible, solid installation efficiently uses installation space, is widely used in mobile phone, number
In the code portable digital products such as camera and digital camera.
In the utility model embodiment, a kind of image collecting device is provided, which includes PCB, sensing
Device, lens mounting module and camera module, wherein sensor, lens mounting module are disposed on the mounting surface of PCB
And camera module, PCB and lens mounting module constitute chamber resettling, sensor is placed in chamber resettling, and sensor with
The image processing device of image collecting device, which is established, to be electrically connected, and lens mounting module is used for fixing camera mould group.Using upper
Structure is stated, the entrance of Thermal infrared bands can be prevented without using optical filter, but be lived using face thermal infrared effect
Body identification, camera module can achieve the effect of vivo identification by the training to face and picture, so that people be greatly reduced
The price of In vivo detection equipment is conducive to the application popularization degree for promoting living body detection device.
Optionally, provided by the embodiments of the present application on the basis of any one of above-mentioned Fig. 1 to Fig. 4 corresponding embodiment
In first alternative embodiment of image collecting device, lens mounting module 30 includes microscope base 301 and motor 302；
Motor 302 is installed on microscope base 301, and camera module 40 is installed on motor 302；
Motor 302 is for driving camera module 40 to focus.
In the utility model, lens mounting module 30 includes microscope base 301 and motor 302, and microscope base 301 has standoff function
Can, camera module 40 can be fixed on microscope base 301.And motor 302 is installed on microscope base 301, motor 302 has interior spiral shell
There is external screw thread camera module 40 is installed on horse by the cooperation between internal screw thread and external screw thread for line, camera module 40
Up on 302, motor 302 can be used for that camera module 40 is driven to focus.
Lens mounting module 30 further includes the first fixator 303, the second fixator 304 and motor protective cover 305, may be used also
To include coil and spring part.It is moved in magnetic field by the principle of active force by hot-wire coil, accurate control needs
By the component of some outsides, such as driving circuit, size and the time of electric current are controlled and exported by driving circuit, thus
To control the position that motor 302 needs to reach.In image collecting device 100, the information of the control of driving circuit is also sensing
What device 20 issued.Motor 302 can be the device of a reception current signal.
Secondly, in the utility model embodiment, introducing lens mounting module includes microscope base and motor, can be with by motor
Convert the current into mechanical force.Has the characteristics that high frequency sound and high-precision, to promote the practicability of image collecting device.
Optionally, provided by the embodiments of the present application on the basis of any one of above-mentioned Fig. 1 to Fig. 4 corresponding embodiment
In second alternative embodiment of image collecting device, motor 302 is stepper motor, voice coil motor or piezo-electric motor.
In the utility model, motor 302 is stepper motor, voice coil motor or piezo-electric motor.
Wherein, stepper motor is a kind of executing agency for converting electric pulse to angular displacement.When step actuator receives
As soon as pulse signal, it drives stepper motor to rotate a fixed angle by the direction of setting, its rotation is with fixation
Angle step by step run.Angular displacement can be controlled by control pulse number, to reach the mesh of accurate positionin
's.The velocity and acceleration that motor rotation can be controlled by control pulse frequency simultaneously, to achieve the purpose that speed regulation.Step
The specific type of electric machine that can be used as a kind of control into motor does not have the characteristics of accumulated error using it, is widely used in various open
Ring control.
Voice coil motor (Voice Coil Motor, VCM) is a kind of device for converting electrical energy into mechanical energy, and is realized straight
The movement of line style and limited pivot angle.In the magnetic field generated using the magnetic field from permanent-magnet steel and hot-wire coil conductor between magnetic pole
Interaction generates the device of regular movement.Because voice coil motor is a kind of non-inverting type power device, positioning accuracy
Feedback and control system are depended entirely on, it is unrelated with voice coil motor itself.Voice coil motor is a simple device, and electric current is turned
Mechanical force is turned to, so its positioning and the control of power are reached by position feedback device and controller, precision is by controlling
Device determines.
Piezo-electric motor is the motor that energy converting between mechanical is carried out using the piezoelectricity back wash effect of piezoelectrics.Its principle be based on
The common motor of electromagnetic induction is dramatically different, but basic function and classification are roughly the same.Piezo-electric motor is generally divided into exchange pressure
Electric notor and direct current piezo-electric motor.Motion mode is divided into two kinds of rotation and linear motion.Piezo-electric motor is by vibrating member and movement parts
Two parts composition, without winding, magnet and insulation system.Power density ratio general motor is much higher, but output power is restricted,
Light, thin, short and small form is preferably made.
Again, in the utility model embodiment, motor can be stepper motor, voice coil motor or piezo-electric motor, and this
The motor of three types is respectively provided with respective advantage, can be replaced and assemble according to the actual demand of user, to have
Conducive to the diversity and flexibility for promoting image collecting device design.
Optionally, provided by the embodiments of the present application on the basis of any one of above-mentioned Fig. 1 to Fig. 4 corresponding embodiment
In image collecting device third alternative embodiment, image collecting device further includes connector 60；
Connector 60 is installed on PCB 10, and connector 60 is for connecting sensor 20 and image collecting device 100
Image processing device.
In the utility model, PCB 10 is used to carry each element of image collecting device 10.The company of being additionally provided on PCB 10
Device 60 is connect, and reinforcement steel plate can be added on the opposite surface of the mounting surface of PCB 10, connector 60 is connected to PCB 10, and can
Image collecting device 100 is electrically connected to the external imaging processing device of image collecting device 100, reinforcement steel plate is for reinforcing
The intensity of PCB 10.Connector 60 and the structure and set-up mode of reinforcement steel plate can be adjusted as needed, no longer superfluous herein
It states.
Secondly, image collecting device further includes connector in the utility model embodiment, which is installed on PCB,
And connector is used to connect the image processing device of sensor and image collecting device.Using the above structure, connector is utilized
It can connect the image processor of sensor and image collecting device, thus realize the connection between device, lifting device
Practicability.
Optionally, provided by the embodiments of the present application on the basis of any one of above-mentioned Fig. 1 to Fig. 4 corresponding embodiment
In the 4th alternative embodiment of image collecting device, sensor is complementary metal oxide semiconductor cmos sensor or charge
Coupled apparatus ccd sensor.
In the utility model, sensor 20 used by image collecting device 100 can be complementary metal oxide and partly lead
Body (complementary metal-oxide-semiconductor, CMOS) sensor or charge-coupled device (charge
Coupled device, CCD) sensor
Wherein, cmos sensor is a kind of important chip in computer system, saves the most basic money of System guides
Material.The chip that CMOS refers to a kind of technology of manufacture large scale integrated chip or manufactured with this technology.CMOS
Manufacturing process is also applied to the biggish simple eye digital phase of the photosensitive element of production digital image equipment, especially piece width specification
Machine.By the functional shift of logical operation at being converted into electric energy after receiving ambient, then will through the analog-digital converter on chip
The image signal of acquisition is changed into digital-code signal output.
The supply voltage range that cmos sensor allows is wide, facilitates the design logic amplitude of oscillation of power circuit big, keeps circuit anti-
The low isolation grid structure of the strong quiescent dissipation of interference performance keeps the input resistance during CMOS very big, to make to drive during CMOS similar
The ability of logic gate is more much better than than other series
Wherein, CCD is a kind of semiconductor devices, optical image can be converted into digital signal, and what is be implanted on CCD is small
Photoactive substance is referred to as pixel, and it is the same that CCD acts like film, image pixel is converted into digital signal, CCD is upper, and there are many arrangements
Neat capacitor can incude light, and image is transformed into digital signal.Via the control of external circuit, each small capacitances energy
The electric row of its band is given to its adjacent capacitor.Ccd image sensor can directly convert optical signals into analog current letter
Number, current signal realizes the acquisition storage of image, transmission, handles and reappear by amplification and analog-to-digital conversion.
Cmos sensor and ccd sensor have different application modes.Such as:
(1) information reading manner is different, the charge information of ccd sensor storage, need to control next bit one in synchronization signal
Position ground is read after implementing transfer, and charge information transfer needs clock control circuit and three groups of different power supply phases with output is read
Cooperation, entire circuit are complex.Cmos sensor directly generates electric current or voltage signal, signal-obtaining after photoelectric conversion
Very simple.
(2) processing speed is different, and ccd sensor need to be defeated with one ground of behavior unit under the control of synchronised clock
Information out, speed are slower.And electric signal can be taken out while cmos sensor acquisition optical signal, moreover it is possible to while handling each list
The image information of member, speed are faster than ccd sensor very much.
(3) power supply and power consumption are different, and ccd sensor needs three groups of power supply power supplies mostly, and power consumption is larger.And CMOS is passed
Sensor need to only use a power supply, and power consumption is very small, only 1/8 to the 1/10 of ccd sensor, and cmos sensor is in energy-saving square
Mask has great advantage.
(4) image quality is different, and ccd sensor has some superiority with respect to cmos sensor.Due to CMOS photoelectric sensor
Integrated level is high, and distance is close between each photo electric sensitive element and circuit, and mutual light electrically and magnetically interferes more serious, noise
Picture quality is influenced very big.
(5) noise is different, and since cmos sensor integrated level is high, distance is close between each element and circuit, and interference is compared
Seriously, noise on image quality influences very big.It is high-quality for production high density with the continuous development of cmos sensor noise cancellation technology
Cmos sensor provide good condition.
Secondly, describing sensor can be cmos sensor or ccd sensor in the utility model embodiment,
Cmos sensor and ccd sensor mainly apply to camera product, and reading speed is fast, and signal-obtaining is simple, and power consumption is non-
It is often small, and cost of manufacture is relatively low.To further reduced the cost of image collecting device.
Optionally, provided by the embodiments of the present application on the basis of any one of above-mentioned Fig. 1 to Fig. 4 corresponding embodiment
In the 5th alternative embodiment of image collecting device, image collecting device 100 further includes the first elastic component 801 and the second elasticity
Part 802；
First elastic component 801 is set on camera module 40, the second elastic component 802 be set to camera module 40 it
Under；
Camera module 40 includes lens barrel；
First elastic component 801 is provided with the first inner ring, and the radius of the first inner ring is greater than the radius of lens barrel；
Second elastic component 802 is provided with the second inner ring, and the radius of the second inner ring is greater than the radius of lens barrel.
In the utility model, image collecting device 100 further includes the first elastic component 801 and the second elastic component 802, and two
Elastic component is located at the two sides up and down of camera module 40, and in this case, elastic component is able to bear and transmits vertical load, delays
With and inhibit to shake caused impact.Elastic component is divided into metal and nonmetallic two major classes according to selected material difference.
And camera module 40 further comprises a lens barrel, lens barrel extension may include external screw thread, with the first elastic component 801
The first inner ring internal screw thread being arranged matches, and matches with the second inner ring internal screw thread of the second elastic component 802 setting, thus
Fixed elastic component and camera module 40.In addition, elastic component can also directly be socketed in lens barrel, the radius of the first inner ring is greater than mirror
The radius of cylinder, and the radius of the second inner ring is greater than the radius of lens barrel.
Secondly, in the utility model embodiment, image collecting device further includes the first elastic component and the second elastic component,
One elastic component is set on camera module, and the second elastic component is set under camera module, the setting of the first elastic component 801
There is the first inner ring, the radius of the first inner ring is greater than the radius of lens barrel, and the second elastic component 802 is provided with the second inner ring, in second
The radius of circle is greater than the radius of lens barrel.Using the above structure, vibration can be reduced using two elastic components to camera module
It influences, to promote the use time of image collecting device.
Optionally, provided by the embodiments of the present application on the basis of any one of above-mentioned Fig. 1 to Fig. 4 corresponding embodiment
In the 6th alternative embodiment of image collecting device, camera module 40 includes also at least one eyeglass, and eyeglass is resin lens
Or glass lens.
In the utility model, camera module 40 also includes at least one eyeglass, and eyeglass material includes but is not limited only to glass
Glass eyeglass, resin lens, polycarbonate (polycarbonate, PC) eyeglass, Bifocal lenses.
Wherein, the use of glass lens is more universal, has the eyeglass than other materials more resistant to the characteristic scraped, but opposite its
Weight is also relatively heavy.
Resin lens are lighter than glass lens, and impact resistance is not fragile, but because its hardness is lower, so being easier than glass
There is scratch.
PC eyeglass also only only has the weight of half compared with traditional resin lens, and general PC eyeglass is needed plus anti-scratch
After protective film, can be enough to obtain more preferably timeliness in use, PC eyeglass also have the characteristics that one it is important, that is, PC mirror
Piece, which has, completely cuts off harmful ultraviolet light effect.
Bifocal lenses provide the relatively good wide near point visual field, and such eyeglass can reduce the chance of camera lens swing, glazing
Part with zero diopter be its diopter.
Again, in the utility model embodiment, camera module can also include at least one eyeglass, and eyeglass is resin mirror
Piece or glass lens.Wherein, resin lens have light, non-friable, highly-safe advantage, and can be punched and be contaminated with wire drawing
Color, resistance to fogging are fine.And glass lens have that hardness is high, be not easy to scratch, high power lens are relatively thin, high temperature resistant, non-aging
Advantage.Therefore, it can select suitable material that eyeglass is made according to actual needs, thus the practicability of lifting scheme.
Optionally, provided by the embodiments of the present application on the basis of any one of above-mentioned Fig. 1 to Fig. 4 corresponding embodiment
In the 7th alternative embodiment of image collecting device, image collecting device 100 further includes mask 50；
Mask 50 is covered on camera module 40.
In the utility model, mask covering 50 can be covered in camera module 40, which can be with
It is insulated shielding cover.
Insulated shielding cover is to be made of insulating material, for covering energized conductor or without the protective cover of electric conductor part.
According to the difference of occluding objects, mask can be hard-shell type, soft-type or deformation type, or sizing or flat-type.
In addition, a protection pedestal 70 equally can be set in the lower section of PCB 10, which can either be carried
Each element on whole PCB 10 and PBC 10, and can protect whole image acquisition device 100.
Secondly, image collecting device further includes mask in the utility model embodiment, which is covered in camera
On mould group.Using the above structure, it can protect eyeglass, reduce a possibility that eyeglass is by scratching, be conducive to promotion image and adopt
Acquisition means use the time.
Optionally, provided by the embodiments of the present application on the basis of any one of above-mentioned Fig. 1 to Fig. 4 corresponding embodiment
In the 8th alternative embodiment of image collecting device, camera module 40 is for passing through Thermal infrared bands.
In the utility model, camera module 40 can pass through arbitrary light wave, including Thermal infrared bands.Infrared thermal imaging
With the infrared ray specific band signal of photoelectric technology detection object heat radiation, convert the signal into for human vision resolution
Image and figure, and temperature value can be further calculated out.Infrared thermal imaging technique makes the mankind surmount dysopia, thus
People will be seen that the temperature distribution state of body surface.
For the ease of introducing, Fig. 5 (a) is the wavelength percent of pass curve for having optical filter camera lens, and Fig. 5 (b) is mirror free of light filter
The wavelength percent of pass curve of head.Wherein, having optical filter camera lens is common lens, and common lens refer in terminal device mould group
The conventional camera lens used, has optical filter, and the film layer of optical filter makes 650 ± 10 nanometers of cutoff frequency of camera lens.Optical filter
In the presence of for eliminating glare, enhancing color rendition effect has significant help.The camera lens of Fig. 5 (b) is that common lens remove
The light of optical filter, complete wavelength range can pass through on an equal basis.
Based on the image collecting device that above-mentioned Fig. 1 to Fig. 4 provides, living body inspection can be carried out using the image collecting device
It surveys, referring to Fig. 6, Fig. 6 is a flow diagram of monocular In vivo detection in the utility model embodiment, as shown, tool
Body:
In step S1, monocular In vivo detection is carried out using image collecting device provided by the utility model；
In step S2, if image collecting device detects the Thermal infrared bands of face, S3 is entered step；
In step S3, what determination currently recognized is living body；
In step S4, if image collecting device does not detect the Thermal infrared bands of face, S5 is entered step；
In step S5, what determination currently recognized is non-living body.
Secondly, camera module can pass through Thermal infrared bands in the utility model embodiment.Optical filter can not used
Prevent the entrance of Thermal infrared bands, but carry out vivo identification using face thermal infrared effect, camera module by pair
The training of face and picture, can achieve the effect of vivo identification, so that the price of people's In vivo detection equipment is greatly reduced, favorably
In the application popularization degree for promoting living body detection device.
Below in conjunction with attached drawing 7, describe in detail to a kind of terminal device provided by the utility model, referring to Fig. 7,
Fig. 7 is an application scenarios schematic diagram of terminal device in the utility model embodiment, and image collecting device 100 can be deployed in end
In end equipment, which can be applied to the safety inspection on station airport, cell gate inhibition, examination, finance, social security and public affairs
The scene of safety supervision control can bring safety guarantee by high-tech.
In living creature characteristic recognition system, the biological characteristic that malicious person forged and stole other people in order to prevent is recognized for identity
It demonstrate,proves, living creature characteristic recognition system needs to have the function of In vivo detection, that is, it is lived to judge whether the biological characteristic submitted comes from
Individual.The common security attack mode of field of face identification have human face photo attack, face video attack, human face segmentation attack with
And 3D model or mask attack etc..
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided by the utility model, it should be understood that disclosed system, device and method,
It may be implemented in other ways.For example, the apparatus embodiments described above are merely exemplary, for example, the list
Member division, only a kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or
Component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point is shown
The mutual coupling, direct-coupling or communication connection shown or discussed can be through some interfaces, between device or unit
Coupling or communication connection are connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit,
It can be each unit to physically exist alone, can also be integrated in one unit with two or more units.It is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, the technical solution of the utility model sheet
The all or part of the part that contributes to existing technology or the technical solution can be with software product in other words in matter
Form embodies, which is stored in a storage medium, including some instructions are used so that a meter
Machine equipment (can be personal computer, server or the network equipment etc.) is calculated to execute described in each embodiment of the utility model
The all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (read-only
Memory, ROM), random access memory (random access memory, RAM), magnetic or disk etc. is various to deposit
Store up the medium of program code.
The above, above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (10)
1. a kind of image collecting device, which is characterized in that described image acquisition device includes printing board PCB, sensor, mirror
Head installation mould group and camera module, wherein the sensor, the camera lens are disposed on the mounting surface of the PCB
Mould group and the camera module are installed；
The PCB and the lens mounting module constitute chamber resettling, and the sensor is placed in the chamber resettling, and described
The image processing device of sensor and described image acquisition device, which is established, to be electrically connected；
The lens mounting module is for fixing the camera module；
The camera module is camera module free of light filter.
2. image collecting device according to claim 1, which is characterized in that the lens mounting module include microscope base and
Motor；
The motor is installed on the microscope base, and the camera module is installed on the motor；
The motor is for driving the camera module to focus.
3. image collecting device according to claim 2, which is characterized in that the motor is stepper motor, voice coil motor
Or piezo-electric motor.
4. image collecting device according to claim 1, which is characterized in that described image acquisition device further includes connection
Device；
The connector is installed on the PCB, and the connector is for connecting the sensor and described image acquisition
The image processing device of device.
5. image collecting device according to claim 1, which is characterized in that the sensor is complementary metal oxide half
Conductor cmos sensor or charge coupled device ccd sensor.
6. image collecting device according to claim 1, which is characterized in that described image acquisition device further includes the first bullet
Property part and the second elastic component；
First elastic component is set on the camera module, and second elastic component is set to the camera module
Under；
The camera module includes lens barrel；
First elastic component is provided with the first inner ring, and the radius of first inner ring is greater than the radius of the lens barrel；
Second elastic component is provided with the second inner ring, and the radius of second inner ring is greater than the radius of the lens barrel.
7. image collecting device according to claim 6, which is characterized in that the camera module also includes at least one
Eyeglass, the eyeglass are resin lens or glass lens.
8. image collecting device according to claim 1, which is characterized in that described image acquisition device further includes masking
Cover；
The mask is covered on the camera module.
9. image collecting device according to any one of claim 1 to 8, which is characterized in that the camera module is used
In passing through Thermal infrared bands.
10. a kind of terminal device, which is characterized in that including image collecting device as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821103338.XU CN209218192U (en) | 2018-07-12 | 2018-07-12 | A kind of image collecting device and terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821103338.XU CN209218192U (en) | 2018-07-12 | 2018-07-12 | A kind of image collecting device and terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209218192U true CN209218192U (en) | 2019-08-06 |
Family
ID=67452184
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821103338.XU Active CN209218192U (en) | 2018-07-12 | 2018-07-12 | A kind of image collecting device and terminal device |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10999482B2 (en) * | 2019-07-04 | 2021-05-04 | Asia Vital Components Co., Ltd. | Image capturing device |
| CN115473976A (en) * | 2021-06-11 | 2022-12-13 | 宁波舜宇光电信息有限公司 | Lens assembly, camera module and assembling method thereof |
-
2018
- 2018-07-12 CN CN201821103338.XU patent/CN209218192U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10999482B2 (en) * | 2019-07-04 | 2021-05-04 | Asia Vital Components Co., Ltd. | Image capturing device |
| CN115473976A (en) * | 2021-06-11 | 2022-12-13 | 宁波舜宇光电信息有限公司 | Lens assembly, camera module and assembling method thereof |
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