CN204440516U - A kind ofly various features identification is adopted to combine the aviation security inspection device of certification - Google Patents
A kind ofly various features identification is adopted to combine the aviation security inspection device of certification Download PDFInfo
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- CN204440516U CN204440516U CN201520100266.3U CN201520100266U CN204440516U CN 204440516 U CN204440516 U CN 204440516U CN 201520100266 U CN201520100266 U CN 201520100266U CN 204440516 U CN204440516 U CN 204440516U
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Abstract
A kind ofly various features identification is adopted to combine the aviation security inspection device of certification, it comprises the face recognition device 1, finger vein features information collecting device 2, facial vein pattern information collecting device 3 and the nail recognition device 4 that are connected to each other, this authenticate device is arranged on the stage body 5 on the side of automatic customs detector gate in addition, and is connected with the control device of detector gate.This authenticate device has higher security and practicality, and improves the precision of certification.
Description
Technical field
The utility model relates to a kind of technical field utilizing biological characteristic to carry out identification and certification, particularly a kind ofly adopt face recognition, facial vena identification, finger vena identification and the aviation security inspection device of nail identification in conjunction with certification.
Background technology
In recent years, the frequent generation of terrorist incident, the terrorist of various countries and the activity wildness of hostile force caused the world's more and more destabilization.In the safety check station institute such as civil aviaton, frontier defense, customs of country, and state security department often will check the certificate entrained by the foreign tourist of passenger and entry and exit and passport.The current world is regarded as terrorist world peace biggest threat, and therefore struggle against terror has become the first-class work that security for all countries department safeguards national security.Worldwide hit terrorist, stop the offender of harm national security to flee and terrified criminal activity, most important work is exactly management and the inspection of strengthening certificate, is hit offender and terrorist by national security internet.As everyone knows, the movable everywhere object of the gang of terrorist or criminal group wakes a snake event and escape criminal strike exactly, manufacturing false papers is the important content that the gang of terrorist or criminal group's movable and escape are everywhere hit, along with the development of computer technology and universal, make false papers more and more easier, also more and more difficult to the identification work of false papers.Current authentication mode mostly is and carries out manpower comparing pair, such as face-image or printed document is identified, the existing in actual applications deficiency of this kind of mode is inefficiency, discrimination is low, comparison scope is little, error is large, intensity of workers is large, and offender is from the probability rising escaped under one's eyes.
Social desirability can not be met completely based on traditional safety practices such as password, PIN (Personal Identification Number), magnetic card and keys.Under such background, people have invested biometrics identification technology sight---and the physiological characteristic utilizing human body intrinsic or behavioural characteristic are to carry out discriminating or the confirmation of identity.In prior art, common biometrics identification technology such as comprises fingerprint recognition, recognition of face etc., fingerprint recognition can be subject to a lot of restriction, the unexpected change of inevitable finger skin can affect the effect of fingerprint recognition, in addition, the fingerprint of groups of people or some colony, because feature is less, is therefore difficult to imaging, and there is finger wear or finger pollution etc. and cause degree of accuracy to be affected; In addition, the profile of face is very unstable, people can produce a lot of expression by the change of face, and in different viewing angle, the visual pattern of face also differs greatly, in addition, face recognition is also by the impact of the many factors such as a lot of overcovers (such as mouth mask, sunglasses, hair, beard etc.), age of illumination condition (such as day and night, indoor and outdoors etc.), face.Difference between face recognition Different Individual is little, and the structure of all faces is all similar, and even the construction profile of face organ is all very similar, and it is disadvantageous for distinguishing human individual for utilization face.
The finger vena identification technology that the basis of above-mentioned biometrics identification technology is developed starts to occur in recent years, and it is a kind of new biometrics identification technology, and it utilizes the vein distributed image in finger to carry out identification.During identification, contact is few even need not contact, and does not have fingertip surface features by the danger of third party's fraudulent copying; The feature of just existence when what system obtained is finger live body, the finger of non-living body can not get vein image feature, thus also just cannot to fake but hand back vein still may change along with age and physiological change, permanently not yet to be confirmed, although possibility is less, but still exist cannot successful registration registration possibility.Thus from current authentication method, there is certification degree not high, cause appearance that is dangerous or other problem.And the damage of finger surface, wearing and tearing, drying or too wet etc. also can bring cognitive disorders, make the precision of certification and accuracy be affected.Do not consider in prior art in addition to point the impact that brings certification of angle, make verification process there is precision and accuracy is affected.
Summary of the invention
The utility model is intended to solve above-mentioned technical matters, proposes a kind ofly to have the shortcoming overcoming current biometrics identification technology, makes authenticate device can have higher security and practicality, and improves the precision of certification.The utility model, in order to solve the problems of the technologies described above, can be realized by following mode.
The employing face recognition that the utility model provides, facial vena identification, finger vena identification comprise with the aviation security inspection device of nail identification in conjunction with certification: the face recognition device be connected to each other, facial vein pattern information collecting device, finger vein features information collecting device and nail recognition device, and this authenticate device also comprises characteristic information storage unit, data processing division, matching characteristic information comparison portion, controller and IO interface in addition.Above-mentioned employing face recognition, facial vena identification, finger vena identification and nail identification are arranged on the side of airport gate detector gate in conjunction with the aviation security inspection device of certification, and are connected with the control device of detector gate.
Wherein face recognition device gathers the information that face recognition needs, finger vein features information collecting device is responsible for the information gathering finger vena identification needs, face vein pattern information collecting device gathers the information that facial hand vein recognition needs, and nail recognition device gathers the information required for nail identification.Above-mentioned face recognition device gathers the information that face recognition needs, the information that the finger vena identification that finger vein features information collecting device gathers needs, the facial information of hand vein recognition needs and the information required for nail identification of nail recognition device collection of the collection of face vein pattern information collecting device are saved in characteristic information storage unit, characteristic information comparison portion transfers corresponding biological information from above-mentioned characteristic information storage unit and compares, this characteristic information comparison portion comprises image extraction unit and sample data storage unit, image extraction unit its by the face feature information of real-time reception, finger vein features information, face vein pattern information and nail characteristic information carry out analyzing and processing, extract the eigenwert of authenticator, sample data cell stores has the face feature information of the authenticator gathered in advance obtained by IO interface, finger vein features information, face vein pattern information and nail characteristic information.In addition, above-mentioned IO interface also can be connected to the network, to be further connected with long-range master server, carries out the transmission of data message or the checking of authentication information, can schedule backup, can with the seamless connection of WIS database.
Above-mentioned face recognition device comprises facial specific features information collecting device, image processing apparatus, facial information communication module and image-display units; Wherein face recognition device is provided with power switch, when authenticator needs to carry out characteristic information certification, mode by opening switch is carried out, also human body sensor can be set, when certification people is near this device, authenticate device enters open state automatically, camera be connected face's specific features information collecting device respectively, image-display units connects, face specific features information collecting device is connected with image processing apparatus, image processing apparatus is connected with facial information communication module again, and facial specific features information collecting device is preferably infrared camera.
Above-mentioned finger vein features information collecting device comprises housing, the first infrared imaging light source, the first infreared imaging device, finger position sensor, finger angular transducer, finger placement rack, and finger placement rack is provided with the first platform placing finger, its middle shell is provided with power switch, when authenticator needs to carry out characteristic information certification, mode by opening switch is carried out, also human body sensor can be set, when certification people is near this device, authenticate device enters open state automatically, the center section of housing is provided with one for stretching into the semi-circular hole of finger, position just to finger placement rack in the middle of semi-circular hole inner top is provided with many row's infrared imaging light sources, when lambda1-wavelength is at 720 nm to 1100 nm, bone and muscle can be penetrated preferably, show out blood vessel structure especially, this wavelength coverage belongs near infrared light.By the Comparability test of the infrared light supply of some groups of different wave lengths, we find that wavelength is that the infrared light of 810 nm has better contrasting effects, and image is more clear.In scheme selection, preferred use two groups of wavelength are all 810 nm, and can both divide into groups to control, the continuously adjustable infrarede emitting diode of brightness is as the polishing light source of vein image, in order to obtain good picture quality, infrared LED luminotron head can be cut into plane and polish, before adopting scattering sheet to be installed at the first infrared light supply, to obtain uniform discrete infrared light; Two finger angular transducers are respectively arranged with in the both sides of semi-circular hole madial wall, a finger angular transducer is respectively being set with the both sides of finger placement rack concordant horizontal level, is respectively arranging one in the both sides that the horizontal position concordant with finger placement rack is set to miter angle place and point angle sensor.The placed angle of the finger extend in semi-circular hole housing is detected by described finger angular transducer, the method of test is detected the angle of finger nail by four finger angular transducers, namely the top of nail radian and the angle of surface level is detected by four finger angular transducers, determine to point the placed angle relative to finger placement rack surface level by this angle, judge the more specific location information of the finger extend in semi-circular hole housing, after determined the placed angle of finger relative to finger placement rack surface level, carry out the collection of finger vein features information again, described first infrared imaging light source is used for the illumination of finger vena, an infrared fileter and a reverse infrared filter is provided with before first infreared imaging device, for reflects infrared light and transmission visible red, computer processing system is connected with the first described infreared imaging device by data transmission interface, the characteristic quantity of the finger vein features information with finger angle extracted from the image that the first infreared imaging device exports, and above-mentioned characteristic quantity is input to data processing division.
Face vein pattern information collecting device is connected with the harvester of finger vein features information, and its septum reset vein pattern information collecting device comprises shell, the second infrared imaging light source, the second infreared imaging device, facial positions sensor, head position judgment means, sound prompt device, facial vein pattern information comparison device and data transmission interface.Shell comprises left plate, right plate and front plate, the two ends of front plate that what left plate, right plate were parallel to each other be arranged on and vertical with front plate respectively, and the area of space that wherein left plate, right plate and front are formed is the collection of head vein characteristic information; Left plate is provided with two and ranked second infrared imaging light source, right plate is provided with the second infreared imaging device, front plate is provided with facial positions sensor, front plate also can be provided with human body sensor simultaneously, when certification human body head can near this device time, authenticate device enters open state automatically.When lambda1-wavelength is at 720 nm to 1100 nm, can penetrate bone and facial muscles preferably, show out facial blood vessel structure especially, this wavelength coverage belongs near infrared light.By the Comparability test of the infrared light supply of some groups of different wave lengths, we find that wavelength is that the infrared light of 850 nm has better contrasting effects, and facial vein image is more clear.In scheme selection, preferred use two groups of wavelength are all 850 nm, and can both divide into groups to control, the continuously adjustable infrarede emitting diode of brightness is as the polishing light source of vein image, in order to obtain good picture quality, infrared LED luminotron head can be cut into plane and polish, before adopting scattering sheet to be installed at infrared light supply, to obtain uniform discrete infrared light.What described second infreared imaging device adopted is hotness imaging camera head, carries out infrared scan to the face of user, facial positions sensor setting is in front plate, when authenticator enters induction region and makes facial vein pattern information collecting device enter duty, the image taken by facial positions sensor judges head, and whether front is in the face of front plate, namely judge that whether head position has deflection relative to front plate or bow, torticollis phenomenon occurs, if be judged as that the head of authenticator does not have front in the face of front plate through the image of facial positions sensor shooting, then head position judgment means sends signal to sound prompt device, control sound prompt device is sounded and is informed authenticator's moving-head position, then the head photo of authenticator taken again by facial positions sensor, again through the judgement of head position judgment means, until judged result is that head front is when front plate, sound prompt device sends prompting, authenticator is reminded to stop headwork, start to carry out facial vein pattern information acquisition.Described second infrared imaging light source is used for the illumination of facial vein, is provided with an infrared fileter and reverse infrared filter, for reflects infrared light and transmission visible red before the second infreared imaging device; Computer processing system is connected with the second described infreared imaging device by data transmission interface, the characteristic quantity with facial vein pattern information extracted from the image that the second infreared imaging device exports, and above-mentioned characteristic quantity is also input to data processing division.
Above-mentioned wherein nail characteristic information harvester comprises the second platform, the 3rd light source, the 4th light source, detecting element, wherein the 3rd light source is arranged on the second platform, detecting element is movably arranged on the second platform, 4th light source is arranged on below the first platform of placement finger, facing to the detecting unit of the second platform.3rd light source and the 4th light source adopt the light source sent as the object absorbing wavelength measured, as near-infrared light source.
3rd light source is for determining the position of nail, by the mensuration of two the 3rd light sources, determine the region that will detect, be the cortex of the contact transitional region of nail surface and wrist cortex, to when lambda1-wavelength is at 720 nm to 1100 nm, the wavelength information of reflection can be received preferably by detecting element.In such scheme is chosen, preferred use wavelength is 810 nm, and can both divide into groups to control, the continuously adjustable infrarede emitting diode of brightness is as the polishing light source measured, described 4th light source is arranged on below the first platform, the near infrared light of its injection, and wavelength has good inter-hole testing effect when 1780-1850nm, above-mentioned near infrared light is detected by detecting element after passing finger tip and nail, and is also input to above-mentioned characteristic quantity with data processing division.
Face recognition, facial vena identification, finger vena identification is adopted with nail identification in conjunction with in the aviation security inspection device of certification in employing of the present utility model, this device gathers compares with face feature information that the is authenticator gathered in advance, finger vein features information and facial vein pattern information, nail identifying information the eigenwert of authenticator can be separately, and the result of comparison is sent to master controller; Master controller is connected with characteristic information comparison portion, master controller controls employing face recognition of the present utility model according to the comparison result signal in characteristic information comparison portion, facial vena identification, finger vena identification, nail identification certification send in conjunction with the automatic airport safety check apparatus of certification or show comparison result, whether passes through certification to inform; In addition, above-mentioned IO interface also can be connected to the network, to be further connected with long-range master server, carries out the transmission of data message or the checking of authentication information, can schedule backup, can with the seamless connection of WIS database.
Accompanying drawing explanation
Fig. 1 is employing face recognition of the present utility model, facial vena identification, finger vena identification and the structural representation of nail identification in conjunction with the aviation security inspection device of certification.
Fig. 2 is employing face recognition of the present utility model, facial vena identification, finger vena identification and the structural representation of nail identification in conjunction with the finger vena identification division of the aviation security inspection device of certification.
Fig. 3 is employing face recognition of the present utility model, facial vena identification, finger vena identification and the face recognition of nail identification in conjunction with the aviation security inspection device of certification and the structural representation of facial hand vein recognition part.
Fig. 4 is employing face recognition of the present utility model, facial vena identification, finger vena identification and the structural representation of nail identification in conjunction with the nail identification division of the aviation security inspection device of certification.
Fig. 5 is employing face recognition of the present utility model, facial vena identification, finger vena identification and the schematic diagram of nail identification in conjunction with the nail recognition site of the collection of the aviation security inspection device of certification.
Embodiment
Below in conjunction with accompanying drawing, by the description to concrete embodiment, the effect and principle of work etc. of embodiment of the present utility model as the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part are described in further detail.
Fig. 1-5 is employing face recognition of the present utility model, face vena identification, finger vena identification and the structural representation of nail identification in conjunction with the aviation security inspection device of certification, according to corresponding accompanying drawing, it comprises the face recognition device 1 be connected to each other, finger vein features information collecting device 2, face vein pattern information collecting device 3 and nail recognition device 4, this authenticate device also comprises stage body 5 in addition, wherein characteristic information storage unit, data processing division, matching characteristic information comparison portion, controller is all arranged at the inside of this stage body 5, the sidepiece of this stage body 5 is provided with IO interface 6, above-mentioned employing face recognition, face vena identification, finger vena identification and nail identification are arranged on the stage body 5 on the side of the automatic detector gate in airport in conjunction with the aviation security inspection device of certification, and be connected with the control device of detector gate.
Finger vein features information collecting device 2 and nail recognition device 4 are arranged on the surface of stage body 5, nail recognition device 4 is arranged on the rear portion of finger vein features information collecting device 2, finger vein features information collecting device 2 comprises housing 21, first infrared imaging light source 22, first infreared imaging device 23, finger angular transducer 24, finger placement rack 25, and finger placement rack 25 is provided with the first platform placing finger.Its middle shell is provided with power switch or human body sensor, when certification people is near this device, authenticate device enters open state automatically, the center section of housing 21 is provided with one for stretching into the semi-circular hole of finger, finger placement rack 25 is arranged in above-mentioned semi-circular hole, position just to finger placement rack in the middle of semi-circular hole inner top is provided with and ranked first infrared imaging light source 22 more, two finger angular transducers 24 are respectively arranged with in the first infrared imaging light source 22 both sides of semi-circular hole madial wall, in the both sides of the horizontal level concordant with finger placement rack 25, a finger angular transducer is respectively set, point angle sensor respectively arranging one with the both sides that the concordant horizontal position of finger placement rack is set to miter angle place, the transmitting device be connected with the characteristic information storage unit in stage body 5, data processing division, matching characteristic information comparison portion, controller is provided with bottom housing 21.
Face vein pattern information collecting device 3 comprises shell 34, second infrared imaging light source 35, second infreared imaging device 36, head position judgment means 38, sound prompt device 39.Shell 34 comprises left plate, right plate and front plate, the two ends of front plate that what left plate, right plate were parallel to each other be arranged on and vertical with front plate respectively, and the area of space that wherein left plate, right plate and front are formed is the collection of head vein characteristic information; Left plate is provided with two and ranked second infrared imaging light source 35, right plate is provided with the device 37 of the second infreared imaging device 36 and face recognition, front plate is also provided with the whether close human body sensor of perception authenticator simultaneously, be provided with the transmitting device be connected with the characteristic information storage unit in stage body 5, data processing division, matching characteristic information comparison portion, controller in addition in base, transmitting device is connected with the control device of detector gate.
Face recognition device 1 comprises facial specific features information collecting device, image processing apparatus, facial information communication module and image-display units; Wherein face recognition device is provided with power switch, and facial specific features information collecting device is camera.When authenticator needs to carry out characteristic information certification, mode by opening switch is carried out, also human body sensor can be set, when certification people is near this device, authenticate device enters open state automatically, camera be connected face's specific features information collecting device respectively, image-display units connects, face specific features information collecting device is connected with image processing apparatus, image processing apparatus is connected with facial information communication module again, and facial specific features information collecting device is preferably infrared camera.
Above-mentioned nail characteristic information harvester 4 comprises the second platform 41, the 3rd light source 42, the 4th light source 43, detecting element 44, wherein the 3rd light source 42 is arranged on the second platform 41, detecting element 44 is movably arranged on the second platform 41,4th light source 43 is arranged on below the first platform of placement finger, facing to the detecting unit 44 of the second platform 41.3rd light source 42 and the 4th light source 43 adopt the light source sent as the object absorbing wavelength measured, as near-infrared light source.
3rd light source is for determining the position of nail, by the mensuration of two the 3rd light sources, determine the region that will detect, be the cortex of the contact transitional region of nail surface and finger section cortex, to when lambda1-wavelength is at 720 nm to 1100 nm, the wavelength information of reflection can be received preferably by detecting element.In such scheme is chosen, preferred use wavelength is 810 nm, and can both divide into groups to control, the continuously adjustable infrarede emitting diode of brightness is as the polishing light source measured, described 4th light source is arranged on below the first platform, the near infrared light of its injection, and wavelength has good inter-hole testing effect when 1780-1850nm, above-mentioned near infrared light is detected by detecting element after passing finger tip and nail, and is also input to above-mentioned characteristic quantity with data processing division.At employing face recognition of the present utility model, facial vena identification, finger vena identification with nail identification in conjunction with in the aviation security inspection device of certification, what this nail characteristic information gathered that the eigenwert of authenticator can be independent compares with face recognition, facial vena identification, finger vena identification and nail identifying signature, and the result of comparison is sent to second controller; Second controller is connected with characteristic information comparison portion, and second controller controls employing face recognition of the present utility model according to the comparison result signal in characteristic information comparison portion, facial vena identification, finger vena identification send with the aviation security inspection device of nail identification in conjunction with certification or show comparison result.
The concrete collection position of the characteristic information of the nail portions that Fig. 5 shows employing face recognition of the present utility model, facial vena identification, finger vena identification and nail identification gather in conjunction with the aviation security inspection device of certification is the cortex 7 of the contact transitional region for nail surface and finger section cortex.
Corresponding characteristic information is formed in conjunction with the aviation security inspection device of certification the Feature Combination pair mated by employing face recognition of the present utility model, facial vena identification, finger vena identification and nail identification at data processing section, utilize corresponding Feature Combination to realization checking, when after authenticator's authentication success, detector gate is opened, authenticator passes through detector gate, improve precision and the accuracy of checking, improve the security performance of aviation safety check.
In addition, employing face recognition of the present utility model, facial vena identification, finger vena identification and nail identification can carry out the transmission of interior external information in conjunction with the IO interface of the aviation security inspection device of certification, and above-mentioned IO interface 5 also can be connected to the network, to be further connected with long-range master server, carry out the transmission of data message or the checking of authentication information, can schedule backup, can with the seamless connection of WIS database.
Above-described embodiment is the utility model preferably embodiment; but embodiment of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (5)
1. one kind adopts various features identification to combine the aviation security inspection device of certification, it is characterized in that comprising the face recognition device be connected to each other, finger vein features information collecting device, face vein pattern information collecting device and nail recognition device, this aviation security inspection device also comprises stage body, wherein characteristic information storage unit, data processing division, matching characteristic information comparison portion, controller is all arranged at the inside of this stage body, the sidepiece of this stage body is provided with IO interface, above-mentioned employing face recognition, face vena identification, finger vena identification and nail identification are arranged on the stage body on the side of the automatic detector gate in airport in conjunction with the aviation security inspection device of certification, and be connected with the control device of detector gate by IO interface, finger vein features information collecting device and nail recognition device are arranged on the surface of stage body, nail recognition device is arranged on the rear portion of finger vein features information collecting device, finger vein features information collecting device comprises housing, the first infrared imaging light source, the first infreared imaging device, finger angular transducer, finger placement rack, and finger placement rack is provided with the first platform placing finger, its middle shell is provided with power switch or human body sensor, when certification people is near this device, authenticate device enters open state automatically, the center section of housing is provided with one for stretching into the semi-circular hole of finger, finger placement rack is arranged in above-mentioned semi-circular hole, position just to finger placement rack in the middle of semi-circular hole inner top is provided with and ranked first infrared imaging light source more, two finger angular transducers are respectively arranged with in every side of the first infrared imaging light source both sides of semi-circular hole madial wall, the set-up mode of two finger angular transducers of every side is arrange a finger angular transducer in the both sides of the horizontal level concordant with finger placement rack, point angle sensor respectively arranging one with the both sides that the concordant horizontal position of finger placement rack is set to miter angle place, housing bottom is provided with the transmitting device be connected with the characteristic information storage unit in stage body, data processing division, matching characteristic information comparison portion, controller, face vein pattern information collecting device comprises facial vein pattern information collecting device shell, the second infrared imaging light source, the second infreared imaging device, facial positions sensor, head position judgment means, sound prompt device, face vein pattern information collecting device shell comprises left plate, right plate and front plate, the two ends of front plate that what left plate, right plate were parallel to each other be arranged on and vertical with front plate respectively, the area of space that wherein left plate, right plate and front are formed is the collection of head vein characteristic information, left plate is provided with two and ranked second infrared imaging light source, right plate is provided with the device of the second infreared imaging device and face recognition, front plate is also provided with the whether close human body sensor of perception authenticator simultaneously, face recognition device comprises facial specific features information collecting device, image processing apparatus, facial information communication module and image-display units, wherein face recognition device is provided with power switch, when authenticator needs to carry out characteristic information certification, by opening the mode of switch or making authenticate device automatically enter open state by the mode arranging human body sensor, the camera of face recognition device be connected face's specific features information collecting device respectively, image-display units connects, face specific features information collecting device is connected with image processing apparatus, and image processing apparatus is connected with facial information communication module again, nail characteristic information harvester comprises the second platform, the 3rd light source, the 4th light source, detecting element, wherein the 3rd light source is arranged on the second platform, detecting element is movably arranged on the second platform, 4th light source is arranged on below the first platform of placement finger, facing to the detecting unit of the second platform.
2. according to claim 1ly a kind ofly adopt various features identification to combine the aviation security inspection device of certification, it is characterized in that described first infreared imaging device and the second infreared imaging device are infrared camera.
3. according to claim 2ly a kind ofly adopt various features identification to combine the aviation security inspection device of certification, it is characterized in that described IO interface is connected to the network, to be further connected with long-range master server, carry out the checking of the transmission of data message or authentication information, schedule backup, can with database seamless connection.
4. according to claim 3ly a kind ofly adopt various features identification to combine the aviation security inspection device of certification, it is characterized in that described 3rd light source is near-infrared light source.
5. according to claim 4ly a kind ofly adopt various features identification to combine the aviation security inspection device of certification, before it is characterized in that infreared imaging device, be provided with an infrared fileter and a reverse infrared filter.
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| CN201520100266.3U CN204440516U (en) | 2015-02-12 | 2015-02-12 | A kind ofly various features identification is adopted to combine the aviation security inspection device of certification |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911610A (en) * | 2016-04-11 | 2016-08-31 | 上海大漠电子科技有限公司 | Self-service safety check system applied to airport |
| CN108732640A (en) * | 2018-03-22 | 2018-11-02 | 宁波亿拍客网络科技有限公司 | A kind of detector gate and application method of tool human body information acquisition function |
| CN111339911A (en) * | 2020-02-24 | 2020-06-26 | 浙江大华技术股份有限公司 | Finger feature recognition device |
-
2015
- 2015-02-12 CN CN201520100266.3U patent/CN204440516U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911610A (en) * | 2016-04-11 | 2016-08-31 | 上海大漠电子科技有限公司 | Self-service safety check system applied to airport |
| CN108732640A (en) * | 2018-03-22 | 2018-11-02 | 宁波亿拍客网络科技有限公司 | A kind of detector gate and application method of tool human body information acquisition function |
| CN111339911A (en) * | 2020-02-24 | 2020-06-26 | 浙江大华技术股份有限公司 | Finger feature recognition device |
| CN111339911B (en) * | 2020-02-24 | 2023-07-04 | 浙江大华技术股份有限公司 | Finger characteristic recognition device |
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