CN204406432U - A kind ofly adopt wrist hand vein recognition and the identity recognition device of nail identification in conjunction with certification - Google Patents
A kind ofly adopt wrist hand vein recognition and the identity recognition device of nail identification in conjunction with certification Download PDFInfo
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- CN204406432U CN204406432U CN201520102094.3U CN201520102094U CN204406432U CN 204406432 U CN204406432 U CN 204406432U CN 201520102094 U CN201520102094 U CN 201520102094U CN 204406432 U CN204406432 U CN 204406432U
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Abstract
A kind ofly adopt wrist hand vein recognition and the identity recognition device of nail identification in conjunction with certification, it is characterized in that comprising wrist vein pattern information collecting device and connected nail characteristic information harvester, nail characteristic information harvester and arranged side by side being arranged on stage body of wrist vein pattern information collecting device.This certification authority promotes accuracy and the reliability of security fields authentication greatly.
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 wrist hand vein recognition and the identity recognition device of nail identification in conjunction with certification.
Background technology
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 such as finger section 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 section 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's organ is all very similar, and it is disadvantageous for distinguishing human individual for utilizing 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 finger vena 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.
Summary of the invention
The utility model is intended to solve above-mentioned technical matters, proposes a kind ofly to adopt wrist hand vein recognition and the certification authority of nail identification in conjunction with certification, makes authenticate device and authentication method can have higher antifalsification and practicality, and improves the precision of certification.The utility model, in order to solve the problems of the technologies described above, is realized by following mode.
The employing wrist hand vein recognition that the utility model provides and nail identification comprise wrist vein pattern information collecting device and connected nail characteristic information harvester in conjunction with the certification authority of certification, nail characteristic information harvester and wrist vein pattern information collecting device arranged side by side be arranged on stage body, palm extend in nail characteristic information harvester through after above-mentioned wrist vein pattern information collecting device, wrist is placed on the placement rack in above-mentioned wrist vein pattern information collecting device, finger is placed on the finger placement rack in above-mentioned nail characteristic information harvester, and wrist vein pattern information collecting device movably can regulate on stage body.Above-mentioned this authenticate device in addition also comprises characteristic information storage unit, data processing division, matching characteristic information comparison portion, controller and IO interface.Wrist vein pattern information collecting device is responsible for the information gathering wrist hand vein recognition needs, nail characteristic information harvester gathers the information that nail identification needs, the information that the information of wrist hand vein recognition needs of above-mentioned wrist vein pattern information collecting device collection and the nail identification of nail characteristic information harvester collection need is 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 wrist vein pattern information of real-time reception, nail characteristic information also carries out analyzing and processing, extract the eigenwert of authenticator, sample data cell stores has wrist vein pattern information and the nail characteristic information of the authenticator gathered in advance obtained by IO interface.In addition, the eigenwert of the authenticator that said extracted can independently go out by the characteristic information comparison portion in wrist vein pattern information collecting device is compared with the wrist vein pattern information of the authenticator gathered in advance and nail characteristic information, and the result of comparison is sent to the first controller; First controller is connected with characteristic information comparison portion, first controller controls authenticate device that wrist hand vein recognition of the present utility model combines with nail identification to the control system signal transmission of gate control system according to the comparison result signal in characteristic information comparison portion, opens door or do not open door with access control system; 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.
Wrist vein pattern information collecting device is connected with the harvester of finger vein features information, wherein wrist vein pattern information collecting device comprises the first infrared imaging light source, infreared imaging device, wrist sensor, when certification wrist is near this device, authenticate device enters open state automatically.When lambda1-wavelength is at 720 nm to 1100 nm, can penetrate bone and wrist muscle preferably, show out wrist 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 wrist 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 the first infrared light supply, to obtain uniform discrete infrared light.What described infreared imaging device adopted is hotness imaging camera head, carries out infrared scan to the wrist of user; On the table, when authenticator enters induction region and makes wrist vein pattern information collecting device enter duty, finger vein features information collecting device also enters duty to wrist position sensor setting.Described infrared imaging light source is used for the illumination of wrist vein, is provided with an infrared fileter and reverse infrared filter, for reflects infrared light and transmission visible red before infreared imaging device; Computer processing system is connected with described infreared imaging device by data transmission interface, the characteristic quantity with wrist vein pattern information extracted from the image that infreared imaging device exports, and is also input to above-mentioned characteristic quantity with data processing division.In the authenticate device that finger vena identification of the present utility model combines with wrist hand vein recognition, the eigenwert of this wrist vein pattern information acquisition authenticator can be independent compare with the finger vein features information of the authenticator gathered in advance and wrist vein pattern information, and the result of comparison is sent to second controller; Second controller is connected with characteristic information comparison portion, second controller controls according to the comparison result signal in characteristic information comparison portion the authenticate device that finger vena identification of the present utility model combines with wrist hand vein recognition and sends or show comparison result, to realize verification process.
Nail characteristic information harvester is connected with the harvester of wrist vein pattern information, wherein nail characteristic information harvester comprises the second platform, secondary light source, the 3rd light source, detecting element, wherein secondary light source is arranged on the second platform, detecting element is movably arranged on the second platform, 3rd light source is arranged on below the first platform, facing to the detecting unit of the second platform.Secondary light source and the 3rd light source adopt the light source sent as the object absorbing wavelength measured, as near-infrared light source.
Secondary light source is for determining the position of nail, by the mensuration of two secondary 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 3rd 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.In the authenticate device that wrist hand vein recognition of the present utility model combines with nail identification, this nail characteristic information gathers compares with wrist vein pattern information that the is authenticator gathered in advance and nail characteristic information the eigenwert of authenticator can be separately, and the result of comparison is sent to second controller; Second controller is connected with characteristic information comparison portion, second controller controls according to the comparison result signal in characteristic information comparison portion the authenticate device that wrist hand vein recognition of the present utility model combines with nail identification and sends or show comparison result, to realize verification process, access control device.
By the authenticate device authentication method that wrist hand vein recognition of the present utility model combines with nail identification, by the data processing of certain characteristic information, obtain the characteristic information coupling group of wrist vein pattern normal data and nail feature, the inaccurate problem of checking that the biological characteristic validation can eliminating prior art may change along with age and physiological change and bring, and the method utilizes the coupling group of the characteristic information of wrist vein and nail to carry out certification, greatly promote accuracy and the reliability of security fields authentication.
Accompanying drawing explanation
Fig. 1 is employing wrist hand vein recognition of the present utility model and the structural representation of nail identification in conjunction with the certification authority of certification
Fig. 2 is employing wrist hand vein recognition of the present utility model and the structural representation of nail identification in conjunction with the wrist hand vein recognition part of the certification authority of certification.
Fig. 3 is employing wrist hand vein recognition of the present utility model and the structural representation of nail identification in conjunction with the nail identification division of the certification authority 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, and authentication method of the present utility model is described in detail.
Fig. 1-3 is the employing wrist hand vein recognition that provides of the utility model and the certification authority 1 of nail identification in conjunction with certification, comprise wrist vein pattern information collecting device 2 and connected nail characteristic information harvester 3, nail characteristic information harvester 3 and wrist vein pattern information collecting device 2 arranged side by side be arranged on stage body 4, palm extend in nail characteristic information harvester 2 through after above-mentioned wrist vein pattern information collecting device 3, wrist is placed on the placement rack in above-mentioned wrist vein pattern information collecting device 3, finger is placed on the finger placement rack in above-mentioned nail characteristic information harvester 2, and wrist vein pattern information collecting device movably can regulate on stage body.In addition in the stage body 4 of this authenticate device, be also provided with characteristic information storage unit, data processing division, matching characteristic information comparison portion, controller, the sidepiece of this stage body 4 is provided with IO interface 5.Wrist vein pattern information collecting device 2 is arranged on the rear side of nail characteristic information harvester 3, and be arranged on the surface of stage body 4, wrist vein pattern information collecting device 2 comprises housing 21, first infrared imaging light source 22, infreared imaging device 23, wrist sensor 24, wrist placement rack 25, when certification people is near this device, authenticate device enters open state automatically according to the sensing of wrist sensor 24, the center section of housing 21 is provided with one for stretching into the semi-circular hole of wrist, wrist placement rack 25 is arranged in above-mentioned semi-circular hole, position just to wrist placement rack in the middle of semi-circular hole inner top is provided with and ranked first infrared imaging light source 22 more, the transmitting device be connected with the characteristic information storage unit in stage body 4, data processing division, matching characteristic information comparison portion, controller is provided with bottom housing 21.
Nail characteristic information harvester 3 is connected with the harvester 2 of wrist vein pattern information, wherein nail characteristic information harvester 3 comprises the second platform 31, secondary light source 32, the 3rd light source 33, detecting element 34, wherein secondary light source 32 is arranged on the second platform 31, detecting element is movably arranged on the second platform 31,3rd light source 33 is arranged on below the first platform 35, facing to the detecting element 34 of the second platform 31.3rd light source 33 adopts the light source sent as the object absorbing wavelength measured, as near-infrared light source.
Secondary light source 32 is for determining the position of nail, by the mensuration of two secondary light sources 32, 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 3rd 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.In addition, the IO interface 5 of the authenticate device 1 that wrist hand vein recognition of the present utility model combines with nail identification 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 wrist hand vein recognition and the identity recognition device of nail identification in conjunction with certification, it is characterized in that comprising wrist vein pattern information collecting device and connected nail characteristic information harvester, nail characteristic information harvester and wrist vein pattern information collecting device arranged side by side be arranged on stage body, palm extend in nail characteristic information harvester through after above-mentioned wrist vein pattern information collecting device, wrist is placed on the wrist placement rack in above-mentioned wrist vein pattern information collecting device, finger is placed on the finger placement rack in above-mentioned nail characteristic information harvester, and wrist vein pattern information collecting device movably can regulate on stage body, in the stage body of this identity recognition device, be also provided with characteristic information storage unit, data processing division, matching characteristic information comparison portion, controller, the sidepiece of this stage body is provided with IO interface, wrist vein pattern information collecting device is arranged on the rear side of nail characteristic information harvester, and be arranged on the surface of stage body, wrist vein pattern information collecting device comprises housing, first infrared imaging light source, infreared imaging device, wrist sensor, wrist placement rack, when certification people is near this device, authenticate device enters open state automatically according to the sensing of wrist sensor, the center section of housing is provided with one for stretching into the semi-circular hole of wrist, wrist placement rack is arranged in above-mentioned semi-circular hole, position just to wrist placement rack in the middle of semi-circular hole inner top is provided with and ranked first infrared imaging light source more, 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, nail characteristic information harvester is connected with the harvester of wrist vein pattern information, wherein nail characteristic information harvester comprises the first platform, the second platform, secondary light source, the 3rd light source, detecting element, second platform is arranged on the top of the harvester housing of wrist vein pattern information, first platform is arranged on wrist placement rack, wherein secondary light source is arranged on the second platform, detecting element is movably arranged on the second platform, 3rd light source is arranged on below the first platform, faces the detecting element of the second platform.
2. employing wrist hand vein recognition according to claim 1 and the identity recognition device of nail identification in conjunction with certification, is characterized in that described infreared imaging device is infrared camera.
3. employing wrist hand vein recognition according to claim 2 and the identity recognition device of nail identification in conjunction with certification, it is characterized in that described IO interface also can be 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.
4. employing wrist hand vein recognition according to claim 3 and the identity recognition device of nail identification in conjunction with certification, is characterized in that described 3rd light source is near-infrared light source.
5. employing wrist hand vein recognition according to claim 4 and the identity recognition device of nail identification in conjunction with certification, be provided with an infrared fileter and a reverse infrared filter before it is characterized in that infreared imaging device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520102094.3U CN204406432U (en) | 2015-02-12 | 2015-02-12 | A kind ofly adopt wrist hand vein recognition and the identity recognition device of nail identification in conjunction with certification |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520102094.3U CN204406432U (en) | 2015-02-12 | 2015-02-12 | A kind ofly adopt wrist hand vein recognition and the identity recognition device of nail identification in conjunction with certification |
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| CN204406432U true CN204406432U (en) | 2015-06-17 |
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