CN103617419B - Finger vein identification device with live finger detecting function and method - Google Patents
Finger vein identification device with live finger detecting function and method Download PDFInfo
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- CN103617419B CN103617419B CN201310636653.4A CN201310636653A CN103617419B CN 103617419 B CN103617419 B CN 103617419B CN 201310636653 A CN201310636653 A CN 201310636653A CN 103617419 B CN103617419 B CN 103617419B
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- finger
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- infrared ray
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- 210000003462 vein Anatomy 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 230000003287 optical effect Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000004313 glare Effects 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 210000004369 blood Anatomy 0.000 description 9
- 239000008280 blood Substances 0.000 description 9
- 210000001519 tissue Anatomy 0.000 description 7
- 210000001367 artery Anatomy 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention discloses a kind of finger vein identification devices and method with live finger detecting function comprising the near infrared light lamp group on finger periphery is arranged；It further include the guide groove positioned at the middle part of device guiding finger placement location；The bottom of guide groove is finger placement platform；The lower part of platform is equipped with the photographic device of shooting vein；Finger placement platform center is camera shooting window；It is equipped with optical filter between the camera and camera shooting window of photographic device；Finger placement platform or its have infrared ray pulse wave detection sensor；The present apparatus is also built-in with the control module handled for the control of shooting process and the processing of photographed data and the data detected to infrared ray pulse wave detection sensor.The present invention detects pulse by the infrared ray pulse wave detection sensor built in it, judges whether testee is live finger, to improve the reliability of finger vena identification.
Description
Technical field
The present invention relates to a kind of biometric devices and method, more particularly, to a kind of finger vein identification device and
Method.
Background technology
With the increasingly extensive application of biological identification technology, forges the phenomenon that palming off biological characteristic and also start to increase.Even if
To the finger vein identification device in biometric authentication technology forward position, adulterator is also possible to through absorption near infrared ray
Special material forges finger vein pattern to finger vein identification device of out-tricking.
Invention content
A kind of raising finger vena identification skill is provided it is an object of the invention to avoid shortcoming in the prior art
The finger vein identification device and method of art reliability.Following principle is utilized in technical scheme of the present invention：
Human heart periodically shrinks the contraction and diastole for leading to aorta with diastole, makes blood stream pressure in the form of wave
It is propagated along entire arterial system since aortic root, this wave is known as pulse wave.When the heart contracts, arterial blood tube capacity
Product increases；When diastole, arteries volume reducing.In tissue, the artery component content of finger is high.According to bright
Bobi's that (Lamber Beer) law, substance are directly proportional with its concentration in the absorbance of a given wavelength.When certain wavelength
Light intensity when illumination is mapped in tissue, absorbed by tissue, measured after reflection loss will be anti-to a certain extent
The structure feature of illuminated site tissue is reflected.Finger tissue is segmented into the non-blood such as skin, muscle, bone tissue and blood
Tissue, the absorbing amount of wherein non-blood tissue is substantially certain, and in blood, the beating of venous blood is relative to arterial blood
It is very faint, can be considered as it is constant, it can be considered that light is only caused by the full of arterial blood through the variation after finger.That
Under the irradiation of the light source of certain wavelength, by detection through the light intensity of the special wavelength light of finger or through finger
The light intensity of the specific wavelength of reflection, so that it may to measure the pulse wave of human body indirectly.
The specific technical solution of the present invention is：
A kind of finger vein identification device with live finger detecting function, described device include being arranged on finger periphery
Near infrared light lamp group；The finger vein identification device further includes being located therein, for guiding leading for finger placement location
To slot；The bottom of the guide groove is finger placement platform；The lower part of the finger placement platform, which is equipped with, carries out finger vena
The photographic device of shooting；The part for the light transmission that the photographic device positioned at finger placement platform center can take is camera window
Mouthful；The optical filter of filtering ambient light and veiling glare influence is provided between the camera and camera shooting window of the photographic device；
The finger placement platform or its have infrared ray pulse wave detection sensor；The finger vein identification device is also built-in with
It is connect with the photographic device and the infrared ray pulse wave detection sensor signal, for being shot to the photographic device
The control mould that the control of process, the processing of photographed data and the data that are detected to the pulse wave detection sensor are handled
Block；
The finger vein identification method of the finger vein identification device is：It is controlled by the control module described close red
Outer smooth lamp group irradiates finger, and the control module controls the infrared ray pulse wave detection sensor gathered data；The control
Module controls the photographic device and acquires finger venous image, and handles collected vein image, after processing with it is standby
Case comparing, such as with put on record data none match, then finger vena identification do not pass through, live finger hand vein recognition does not pass through,
Identification process terminates；Such as with certain Data Matching for putting on record, then finger vena be identified by, the control module is by the infrared ray
The collected data of pulse wave detection sensor are handled, if all infrared ray pulse wave detection sensors all detect arteries and veins
It fights wave, then live finger is identified by, and live finger hand vein recognition passes through, and identification process terminates；If there are one infrared ray arteries and veins
Wave detection sensor of fighting does not detect pulse wave, then live finger identification does not pass through, and live finger hand vein recognition does not pass through, hand
Refer to hand vein recognition process to terminate；
Further, the near infrared light lamp group is one group or two groups, and riding position is the upper and lower, left and right side of finger
Either side appoints both sides；
Further, it is located at institute in the longitudinal midline both ends of the finger placement platform or the longitudinal midline positive bottom
The both sides for stating photographic device are respectively equipped with an infrared ray pulse wave detection for being used for detecting finger fingertip and detection finger pulp loss
Sensor, or only above-mentioned both ends or both sides wherein one end or set that there are one be used for detecting finger tip or the infrared ray of finger pulp on one side
Pulse wave detection sensor；
Further, the infrared ray pulse wave detection sensor is integrated with infrared light emission light source；
Further, the poly- of the light irradiating angle for regulating near-infrared light lamp group is equipped with before the near infrared light lamp group
Optical assembly.
The present invention also provides a kind of live finger method for detecting for finger vein identification device, specially：Pass through
Infrared ray pulse wave detection sensor is set in finger vein identification device, to perceive whether testee has live finger
Beat pulse, to judge whether the object is live finger.
Beneficial effects of the present invention：As a result of above technical scheme, finger vein identification device of the invention passes through
Infrared ray pulse wave detection sensor in the inner is set to detect pulse, judges whether testee is live finger, is prevented
Adulterator is out-tricked finger vein identification device by the special material of absorption near infrared ray to forge finger vein pattern, to carry
The high reliability of finger vena identification.
Description of the drawings
Fig. 1 is the front view of the device of embodiment one；
Fig. 2 is the vertical view of the device of embodiment one；
Fig. 3 is the left view of the device of embodiment one；
Fig. 4 is the front view of the device of embodiment two；
Fig. 5 is the vertical view of the device of embodiment two；
Fig. 6 is the left view of the device of embodiment two；
Fig. 7 is the front view of the device of embodiment three；
Fig. 8 is the vertical view of the device of embodiment three；
Fig. 9 is the left view of the device of embodiment three；
Figure 10 is the finger vein identification method block diagram of the device of the invention.
Specific implementation mode
It is the specific implementation mode of three preferred embodiments of the present invention below.
Embodiment one
As shown in Figure 1 to Figure 3, a kind of finger vein identification device with live finger detecting function, finger vena are known
Other device includes being located therein, the guide groove 101 for guiding 200 placement location of finger；The bottom of guide groove 101 is finger
Placement platform；It further includes the near infrared light lamp group 102 being arranged in 101 wall both sides of guide groove；Before near infrared light lamp group 102
Concentrating component 103 equipped with the light irradiating angle for regulating near-infrared light lamp group 102；Positioned at finger placement platform center
The part for the light transmission that photographic device 104 can take is camera shooting window 105；The camera and camera shooting window 105 of photographic device 104
Between be provided with filtering ambient light and veiling glare influence optical filter 106；Longitudinal midline both ends correspond to and refer on finger placement platform
The position of point and finger pulp is respectively equipped with one and is used for detecting finger tip and detects sensing with the infrared ray pulse wave of a detection finger pulp
Device 108；The finger vein identification device is also built-in with to be sensed with the photographic device 104 and infrared ray pulse wave detection
108 signal of device connects, for carrying out the control of shooting process and the processing of photographed data to the photographic device 104 and to institute
State the control module 107 that the data that pulse wave detection sensor 108 detects are handled.The live finger detecting side of the present apparatus
Method is：Two groups of near infrared light lamp groups 102, which are controlled, by control module 107 irradiates finger 200, the control camera shooting dress of control module 107
It sets 104 acquisition images and collected vein picture is handled, make the judgement of hand vein recognition, if hand vein recognition judges
The finger 200 placed on device and some finger match put on record, control module 107 will be since being in place finger 200
The finger tip for judging to obtain respectively by two infrared ray pulse wave detection sensors 108 set by the present apparatus during terminating to vein
It is handled with finger pulp position pulse wave initial data, assert that two positions are not detected if handled by control module 107
To or only one at detect beat pulse, that is, send out the information that live finger is not detected, otherwise make finger vena identification
Pass through judgement.
Embodiment two
As shown in Figures 4 to 6, the device of the present embodiment and embodiment one are distinguished as, and are only oriented on cell wall at one
Equipped with one group of near infrared light lamp group 102, while it is only corresponded in finger placement platform longitudinal midline there are one one end of finger tip sets
Infrared ray pulse wave detection sensor 108；Control module 107 only passes through this unique infrared ray pulse wave detection sensor 108
To determine whether live finger, other identifying processing methods of control module 107 are identical as embodiment one.
Embodiment three
As shown in Figure 7 to 9, the device of the present embodiment and embodiment one are distinguished as, only guide groove 101 just on
Side is equipped with one group of near infrared light lamp group 102, while it is only located at described take the photograph in the longitudinal midline positive bottom of finger placement platform
Set that there are one be used for detecting the infrared ray pulse wave detection sensor 108 of finger pulp, control module 107 on one side as device 104
By this unique infrared ray pulse wave detection sensor 108 to determine whether live finger, other identifications of control module 107
Processing method is identical as embodiment one.
Claims (5)
1. a kind of finger vein identification device with live finger detecting function, it is characterised in that：The finger vena identification
Device includes the near infrared light lamp group being arranged on finger periphery；The finger vein identification device further includes being located in the middle part of device,
Guide groove for guiding finger placement location；The bottom of the guide groove is finger placement platform；The finger placement platform
Lower part be equipped with the photographic device that is shot to finger vena；What the photographic device can take is located at finger placement platform
The part of the light transmission at center is camera shooting window；It is provided with filtering environment between the camera and camera shooting window of the photographic device
The optical filter that light and veiling glare influence；The finger placement platform or its have infrared ray pulse wave detection sensor；It is described
Finger vein identification device is also built-in with to be connect with the photographic device and the infrared ray pulse wave detection sensor signal, is used
In to the control of photographic device progress shooting process, the processing of photographed data and to pulse wave detection sensor detection
To the control module that is handled of data, at the longitudinal midline both ends of the finger placement platform or in the longitudinal midline
The both sides of the photographic device of positive bottom are respectively equipped with an infrared ray for being used for detecting finger fingertip and detecting finger pulp loss
Pulse wave detection sensor.
2. finger vein identification device according to claim 1, it is characterised in that：The near infrared light lamp group be one group or
Two groups, riding position is either side or the both sides of the upper and lower, left and right side of finger.
3. finger vein identification device according to claim 1, it is characterised in that：The infrared ray pulse wave detection sensing
Device is integrated with infrared light emission light source.
4. according to the finger vein identification device described in claims 1 to 3 any claim, it is characterised in that：Described close
The concentrating component of the light irradiating angle for regulating near-infrared light lamp group is equipped with before infrared light lamp group.
5. the finger vein identification method of finger vein identification device according to claim 1, it is characterised in that：Pass through institute
It states control module and controls the near infrared light lamp group irradiation finger, the control module controls the infrared ray pulse wave detection and passes
Sensor gathered data；The control module controls the photographic device and acquires finger venous image, and to collected vein figure
As being handled, after processing with comparing of putting on record, such as with put on record data none match, then finger vena identifies and does not pass through, work
The identification of body finger vena does not pass through, and identification process terminates；Such as with certain Data Matching for putting on record, then finger vena be identified by, institute
It states control module to handle the collected data of infrared ray pulse wave detection sensor, if all infrared ray pulses
Wave detection sensor all detects pulse wave, then live finger is identified by, and live finger hand vein recognition passes through, identification process knot
Beam；If there are one infrared ray pulse wave detection sensors not to detect that pulse wave, live finger identification do not pass through, live body
Finger vena identification does not pass through, and identification process terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310636653.4A CN103617419B (en) | 2013-12-02 | 2013-12-02 | Finger vein identification device with live finger detecting function and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310636653.4A CN103617419B (en) | 2013-12-02 | 2013-12-02 | Finger vein identification device with live finger detecting function and method |
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| Publication Number | Publication Date |
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| CN103617419A CN103617419A (en) | 2014-03-05 |
| CN103617419B true CN103617419B (en) | 2018-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310636653.4A Active CN103617419B (en) | 2013-12-02 | 2013-12-02 | Finger vein identification device with live finger detecting function and method |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110110591B (en) * | 2015-06-16 | 2021-01-15 | 眼验股份有限公司 | System and method for counterfeit detection and liveness analysis |
| CN204791060U (en) * | 2015-07-14 | 2015-11-18 | 博宏信息技术有限公司 | Finger vein gathers appearance |
| CN105266780A (en) * | 2015-11-24 | 2016-01-27 | 京东方科技集团股份有限公司 | Intelligent wearable device and detection method for biological characteristic information |
| CN106645732A (en) * | 2016-10-31 | 2017-05-10 | 苏州立源信智能科技有限公司 | Infrared automatic-detection blood sugar detector |
| CN108073920A (en) * | 2016-11-11 | 2018-05-25 | 李谦 | Finger vein image acquisition and recognition methods |
| CN106960194A (en) * | 2017-03-24 | 2017-07-18 | 徐晨 | A kind of vein identification device |
| CN107157492B (en) * | 2017-05-19 | 2023-06-02 | 国家电网公司 | Embedded human physiological information noninvasive detection system and data processing method |
| CN107194367A (en) * | 2017-06-07 | 2017-09-22 | 重庆科技学院 | Biopsy method in finger vena identification process |
| CN107126671A (en) * | 2017-06-19 | 2017-09-05 | 钦州学院 | A kind of safe abdominal muscle wheel |
| US11375909B2 (en) | 2018-12-05 | 2022-07-05 | Boe Technology Group Co., Ltd. | Method and apparatus for determining physiological parameters of a subject, and computer-program product thereof |
| CN110110643B (en) * | 2019-04-29 | 2021-04-09 | 云谷（固安）科技有限公司 | Display panel and display device |
| CN110287918B (en) * | 2019-06-28 | 2022-02-15 | Oppo广东移动通信有限公司 | Living body identification method and related products |
| CN110866235B (en) * | 2019-10-21 | 2021-11-23 | 上海交通大学 | Identity recognition method and device for simultaneously capturing human pulse and vein images |
| CN115191978B (en) * | 2021-04-09 | 2024-09-20 | 广东小天才科技有限公司 | Living body detection method, wearable device and computer readable storage medium |
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