CN212112500U - Vein recognition device and electronic equipment - Google Patents
Vein recognition device and electronic equipment Download PDFInfo
- Publication number
- CN212112500U CN212112500U CN201921580526.6U CN201921580526U CN212112500U CN 212112500 U CN212112500 U CN 212112500U CN 201921580526 U CN201921580526 U CN 201921580526U CN 212112500 U CN212112500 U CN 212112500U
- Authority
- CN
- China
- Prior art keywords
- light
- light sources
- target object
- vein
- image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Image Input (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a vein identification device and electronic equipment. Wherein, vein recognition device includes: a housing configured to house a plurality of light sources; a plurality of light sources arranged to provide light in a plurality of different directions onto a target object; and the identification module is arranged on the shell and used for identifying the vein information in the image of the target object. The utility model provides a vein recognition device's light source position is single among the correlation technique, and the image brightness that leads to the target object is inhomogeneous, is unfavorable for the technical problem of follow-up algorithm discernment.
Description
Technical Field
The utility model relates to a biological identification field particularly, relates to a vein recognition device and electronic equipment.
Background
Vein recognition, which means that according to the characteristic that deoxygenated hemoglobin in venous blood absorbs near infrared rays or far infrared rays radiated by a human body, an infrared camera with a corresponding wavelength range is used for shooting a vein distribution map of a body part, the characteristics of the vein distribution map are extracted after pretreatment, and then the vein distribution map is matched with pre-stored characteristic data to determine the personal identity. Because the characteristics of the internal vein are not influenced by the surface condition of the body part, the vein recognition technology can be used in complex environments such as outdoor rain, strong light and the like, can normally recognize even the body part is dirty or damaged, and has the characteristics of difficult copying, high safety and the like.
Currently, the volume of a vein recognition device is often large, limited by optical principles. For some application fields requiring miniaturization of the volume, the conventional vein recognition device has a single light source position, and when a body part, such as a finger, is placed obliquely, the phenomena of dark back end of the finger, dark image at a joint and uneven front and back brightness of the finger can be caused, so that the subsequent algorithm recognition of the image is not facilitated.
Aiming at the technical problems that the image brightness of a target object is not uniform and the subsequent algorithm identification is not facilitated due to the single light source position of a vein identification device in the related art, an effective solution is not provided at present.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a vein recognition device and electronic equipment to solve vein recognition device's light source position singleness among the correlation technique at least, lead to target object's image brightness inhomogeneous, be unfavorable for the technical problem of follow-up algorithm discernment.
According to an aspect of the embodiments of the present invention, there is provided a vein recognition apparatus, including: a housing configured to house a plurality of light sources; a plurality of light sources arranged to provide light in a plurality of different directions onto a target object; and the identification module is arranged on the shell and used for identifying the vein information in the image of the target object.
Optionally, the housing comprises: and the guide mechanism is arranged in the middle of the shell and is used for placing the target object.
Optionally, the housing comprises: first support and second support set up respectively in the both ends of casing, and wherein, first support is for placing a plurality of light sources, and the second support sets up to place the discernment module.
Optionally, the apparatus further comprises: and the detection mechanism is in communication connection with the guide mechanism and is used for detecting the position of the target object.
Optionally, the plurality of light sources are at least divided into a first light area and a second light area, where the first light area and the horizontal plane form a first included angle, the second light area and the horizontal plane form a second included angle, and the first included angle and the second included angle are not equal in size.
Optionally, the plurality of light sources are divided into at least a first light zone and a second light zone, wherein the number of light sources of the first light zone is not equal to the number of light sources of the second light zone.
Optionally, the plurality of light sources are divided into at least a first light zone and a second light zone, wherein the light sources of the first light zone and the light sources of the second light zone have unequal brightness.
Optionally, the plurality of light sources are disposed on the housing opposite the target area of the target object.
Optionally, the apparatus further comprises: and the first filtering mechanism is arranged between the plurality of light sources and the target object and is used for filtering out the visible light of the light sources.
Optionally, the apparatus further comprises: and the second filtering mechanism is arranged between the guiding mechanism and the identification module and is used for filtering out external visible light.
Optionally, the identification module comprises: the acquisition device is arranged on the second bracket and is used for acquiring images; and the controller is in communication connection with the acquisition device and is used for identifying the vein information in the image.
According to the utility model discloses another aspect of the embodiment still provides an electronic equipment, includes above-mentioned arbitrary vein identification equipment.
In an embodiment of the present invention, the vein recognition apparatus includes: a housing configured to house a plurality of light sources; a plurality of light sources arranged to provide light in a plurality of different directions onto a target object; and the identification module is arranged on the shell and used for identifying the vein information in the image of the target object. The utility model discloses a set up the light source of a plurality of not equidirectionals on the casing, shine the target object, it is single to have solved vein recognition device's among the correlation technique light source position, and the image brightness who leads to the target object is inhomogeneous, is unfavorable for the technical problem of follow-up algorithm discernment, has reached the purpose of the image darkness homogeneous of gathering.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
the accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a block diagram of an alternative vein identification apparatus according to embodiment 1 of the present invention;
fig. 2 is a block diagram of another alternative vein recognition apparatus according to embodiment 1 of the present invention;
fig. 3 is a block diagram of another alternative vein recognition apparatus according to embodiment 1 of the present invention; and
fig. 4 is a block diagram of another alternative vein recognition apparatus according to embodiment 1 of the present invention;
wherein the figures include the following reference numerals:
10. a light source; 11. a first light region; 12. a second light region; 20. a second filter mechanism; 30. a housing; 31. a guide mechanism; 32. a first bracket; 33. a second bracket; 40. an identification module; 41. a collection device; 42. a controller; 50. a first filter mechanism; 60. and a detection mechanism.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Before describing further details of embodiments of the present application, an alternative vein identification apparatus that may be used to implement the principles of the present application will be described with reference to fig. 1. In its most basic configuration, fig. 1 is a block diagram of a vein recognition apparatus according to an embodiment of the present invention. For descriptive purposes, the architecture portrayed is only one example of a suitable environment and is not intended to suggest any limitation as to the scope of use or functionality of the application. Neither should the apparatus be interpreted as having any dependency or requirement relating to any one or combination of components illustrated in fig. 1.
As shown in fig. 1, the present application provides a vein recognition apparatus including:
and a housing 30 configured to house the plurality of light sources 10.
In an alternative, the housing may be a semi-enclosed housing, with the non-enclosed portion being used for the insertion and extension of fingers, palm and back of the hand.
The plurality of light sources can be integrated in one light source module or a plurality of light source modules; the plurality of light sources may emit infrared light; the plurality of light sources are disposed at either end of the housing.
A plurality of light sources 10 arranged to provide light in a plurality of different directions onto a target object.
In an alternative, the target object may be, but is not limited to, a finger, a palm, a back of a hand, a wrist, a toe, and other parts of the body.
The light beams in different directions are irradiated to the target object together, so that the brightness of the target object can be uniform.
For example, the plurality of light sources can be divided into two light areas, the light irradiation direction of the first light area irradiates to the fingernail of the finger, and the light irradiation direction of the second light area irradiates to the second joint of the finger, so that the uniform light irradiation of all parts of the finger is ensured.
Of course, in order to provide light in different directions, the light sources can be integrated into two light source modules, the two light source modules are arranged on the shell at different angles with the horizontal plane, and the angle between one light source module and the horizontal plane is larger than that between the other light source module and the horizontal plane.
And the identification module 40 is arranged on the shell 30 and used for identifying the vein information in the image of the target object.
In an alternative, the identification module may be disposed at the other end of the housing opposite the plurality of light sources.
Vein recognition mainly uses the structure of vein blood vessels for identification. The principle of finger vein recognition is also to perform vein angiography using absorption characteristics of vein blood vessels, muscle and bone, which differ from each other with respect to infrared light of a specific wavelength. The part with vein absorbs infrared light and emits dim, and the muscle and bone parts reflect strongly, thereby realizing vein radiography. Vein veins are difficult to forge inside the human body.
Taking finger vein recognition as an example, referring to fig. 1, one end of the housing 30 carries the plurality of light sources 10, and the other end carries the recognition module 40. The casing 30 is a semi-closed structure, and the unsealed space is used for accommodating the finger to be measured. The plurality of light sources 10 provide infrared light in different directions to irradiate the finger to be measured, so that the light density irradiated on the finger is basically consistent. The recognition module 40 captures images of the fingers, extracts vein information, and performs recognition and verification.
In the above embodiment, the vein recognition apparatus includes: a housing configured to house a plurality of light sources; a plurality of light sources arranged to provide light in a plurality of different directions onto a target object; the recognition module is arranged on the shell and used for collecting the image of the target object and recognizing the vein information in the image. The embodiment irradiates the target object by arranging the light sources in different directions on the shell, solves the technical problems that the image brightness of the target object is uneven and is not beneficial to subsequent algorithm identification due to single light source position of the vein identification device in the related technology, and achieves the aim of uniform brightness of the acquired image.
Optionally, the housing 30 comprises: and the guide mechanism 31 is arranged in the middle of the shell, and the guide mechanism 31 is used for placing the target object.
In an alternative, the guiding mechanism may be disposed in an inclined manner, so that the target object can be placed on the guiding mechanism conveniently, and the target object can be placed stably without deflection or movement.
Optionally, the housing 30 comprises: and a first bracket 31 and a second bracket 33 respectively disposed at two ends of the housing 30, wherein the first bracket 31 is configured to place the plurality of light sources 10, and the second bracket 33 is configured to place the identification module 40.
In an alternative, the first and second brackets may be disposed at an angle. The first support is obliquely arranged so that the plurality of light sources can irradiate the target object as much as possible, and the second support is obliquely arranged so that the identification module can shoot the target object as much as possible.
Optionally, the apparatus further comprises: and the detection mechanism 60 is in communication connection with the guide mechanism 31 and is used for detecting the position of the target object.
In an alternative, the above-mentioned detection mechanism is arranged in the housing, and may be a capacitive sensor, a pressure sensor, or the like; the capacitive sensor can be arranged at the tail end of the guide mechanism or in the guide mechanism and is in communication connection with the guide mechanism; the pressure sensor may be disposed inside the guide mechanism, on an upper surface or a lower surface of the guide mechanism, for detecting a pressure change of the guide mechanism.
Taking a capacitive sensor as an example, whether the target object is placed in place is detected through the change of capacitance. If the capacitive sensor detects that the placement position of the target object is correct, a capacitance change value in a certain interval is generated, and then the controller is informed to light the plurality of light sources; if the capacitive sensor detects that the target object is placed at a deviation, the controller may be informed to emit a prompt message such as a sound and light to prompt the user to reposition.
Optionally, the light sources 10 are at least divided into a first light region 11 and a second light region 12, where the first light region 11 forms a first included angle with the horizontal plane, the second light region 12 forms a second included angle with the horizontal plane, and the first included angle and the second included angle are not equal in size.
In an alternative, the plurality of light sources may be integrated into a plurality of light source modules, and one light source module corresponds to one light area; or the light source module can be positioned in the same light source module and is divided into a plurality of light areas.
Referring to fig. 1, a plurality of light sources 10 are integrated in two light source modules, and a light source module corresponds a light zone, i.e. first light zone 11 and second light zone 12, and first light zone 11 inclines certain angle with the horizontal plane, and second light zone 12 inclines bigger angle with the horizontal plane to this outgoing angle who increases light makes more light shine the rear end of finger, solves the problem that the back end of the finger image of gathering is dark. Meanwhile, the position of the light source in the first light area 11 can be adjusted, so that the brightness of the whole image is homogenized, and the algorithm identification processing of subsequent images is facilitated. .
Optionally, the plurality of light sources 10 are divided into at least a first light region 11 and a second light region 12, wherein the number of light sources of the first light region 11 is not equal to the number of light sources of the second light region 12.
In an alternative, the plurality of light sources may be integrated into a plurality of light source modules, and one light source module corresponds to one light area; or the light source module can be positioned in the same light source module and is divided into a plurality of light areas.
As shown in fig. 2, the plurality of light sources 10 are located in the same light source module and are divided into a plurality of light regions, that is, a first light region 11 and a second light region 12, and the number of light sources in the first light region 11 is less than that in the second light region 12, so as to improve the brightness of the back end of the finger and solve the problem that the back end of the collected finger image is dark.
Optionally, the plurality of light sources 10 are divided into at least a first light region 11 and a second light region 12, wherein the light sources of the first light region 11 and the second light region 12 have unequal brightness.
In an alternative, the plurality of light sources may be integrated into a plurality of light source modules, and one light source module corresponds to one light area; or the light source module can be positioned in the same light source module and is divided into a plurality of light areas.
As shown in fig. 3, the plurality of light sources 10 are located in the same light source module, and the brightness of the collected image is balanced by decreasing the brightness of the first light region and/or increasing the brightness of the second light region, so as to obtain an image effect with uniform brightness. The proposal does not change the position relation and the number of the plurality of light sources 10, and only needs to adjust the brightness of the plurality of light sources.
Alternatively, a plurality of light sources 10 are disposed on the housing 30 opposite to the target area of the target object.
In an alternative, the plurality of light sources may be located in the same light source module and divided into a plurality of light areas.
As shown in fig. 4, the plurality of light sources 10 are located in the same light source module, and the light sources 10 are installed near the back end of the finger as much as possible by changing the installation positions of the light sources 10, so as to increase the brightness of the back end of the finger and improve the problem of the back end of the finger being dark.
Optionally, the apparatus further comprises: and a first filtering mechanism 50 disposed between the plurality of light sources 10 and the target object, for filtering out visible light of the light sources.
In an alternative, the first filter mechanism may be provided on a side of the first frame adjacent to the target object.
Optionally, the apparatus further comprises: and the second filtering mechanism 20 is arranged between the guiding mechanism 31 and the identification module 40 and is used for filtering out external visible light.
In an alternative, the second filtering means may be provided on a side of the guiding means facing away from the target object; the second filtering mechanism is mainly used for filtering out external visible light and plays a role in preventing foreign matters, dust and the like from entering the identification module.
Optionally, the identification module 40 comprises: the acquisition device 41 is arranged on the second bracket 33 and is used for acquiring images; and the controller 42 is in communication connection with the acquisition device 41 and is used for identifying the vein information in the image.
In an alternative, the collecting device may include a CCD camera; the controller can be positioned between the acquisition device and the second bracket and is used for converting the image shot by the acquisition device into an electric signal, carrying out identification processing and verifying the identity; the controller may be a photosensitive chip.
It should be noted that, because the plurality of light sources, the guiding mechanism and the vein recognition device are all arranged obliquely, the light path can be effectively enlarged, so that the whole set of device can obtain more effective information, and the device is more beneficial to the miniaturization application.
In the above embodiment of the present application, the vein recognition apparatus includes: a housing configured to house a plurality of light sources; a plurality of light sources arranged to provide light in a plurality of different directions onto a target object; the recognition module is arranged on the shell and used for collecting the image of the target object and recognizing the vein information in the image. The embodiment irradiates the target object by arranging the light sources in different directions on the shell, solves the technical problems that the image brightness of the target object is uneven and is not beneficial to subsequent algorithm identification due to single light source position of the vein identification device in the related technology, and achieves the aim of uniform brightness of the acquired image. It is easy to notice that the guiding mechanism of the above scheme can ensure the smooth placement of the target object; the first support and the second support are arranged obliquely, so that the identification module can acquire more effective information; the detection mechanism can ensure that the target object is placed at the correct position; the brightness of the target object can be ensured to be consistent due to the difference of the quantity, brightness and position of the light sources in different light areas; first filtering mechanism, second filtering mechanism have filtered the visible light in the light path, prevent simultaneously that the dust from getting into the discernment module, have realized the miniaturized application of whole device.
Example 2
According to the embodiment of the utility model provides an electronic equipment is provided, including embodiment 1 arbitrary vein recognition device.
In an alternative, the electronic device may be a device requiring authentication, in particular a miniaturized electronic device, such as a mobile phone terminal, an electronic lock, or the like.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (11)
1. A vein identification device, comprising:
a housing configured to house a plurality of light sources;
a plurality of said light sources arranged to provide light in a plurality of different directions onto a target object;
the identification module is arranged on the shell and used for identifying vein information in the image of the target object;
the housing includes: and the guide mechanism is arranged in the middle of the shell and is used for placing the target object.
2. The device of claim 1, wherein the housing comprises:
the first support and the second support are respectively arranged at two ends of the shell, wherein the first support is used for placing a plurality of light sources, and the second support is used for placing the identification module.
3. The apparatus of claim 1, further comprising:
and the detection mechanism is in communication connection with the guide mechanism and is used for detecting the position of the target object.
4. The apparatus of claim 1, wherein the plurality of light sources are divided into at least a first light region and a second light region, wherein the first light region forms a first angle with a horizontal plane, the second light region forms a second angle with the horizontal plane, and the first angle and the second angle are not equal in magnitude.
5. The apparatus of claim 1, wherein the plurality of light sources are divided into at least a first optical zone and a second optical zone, wherein the number of light sources of the first optical zone is not equal to the number of light sources of the second optical zone.
6. The apparatus of claim 1, wherein the plurality of light sources are divided into at least a first light zone and a second light zone, wherein the light sources of the first light zone and the light sources of the second light zone have unequal brightness.
7. The apparatus of claim 1, wherein a plurality of the light sources are disposed on the housing opposite a target area of the target object.
8. The apparatus of claim 1, further comprising:
and the first filtering mechanism is arranged between the plurality of light sources and the target object and is used for filtering out the visible light of the light sources.
9. The apparatus of claim 1, further comprising:
and the second light filtering mechanism is arranged between the guide mechanism and the identification module and used for filtering out external visible light.
10. The apparatus of claim 2, wherein the identification module comprises:
the acquisition device is arranged on the second bracket and is used for acquiring the image;
and the controller is in communication connection with the acquisition device and is used for identifying the vein information in the image.
11. An electronic device characterized by comprising the vein recognition apparatus according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921580526.6U CN212112500U (en) | 2019-09-20 | 2019-09-20 | Vein recognition device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921580526.6U CN212112500U (en) | 2019-09-20 | 2019-09-20 | Vein recognition device and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212112500U true CN212112500U (en) | 2020-12-08 |
Family
ID=73621704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921580526.6U Active CN212112500U (en) | 2019-09-20 | 2019-09-20 | Vein recognition device and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212112500U (en) |
-
2019
- 2019-09-20 CN CN201921580526.6U patent/CN212112500U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8103064B2 (en) | Finger identification method and apparatus | |
| JP5295848B2 (en) | Personal authentication device | |
| CN107004114B (en) | Blood vessel image capturing device and personal authentication system | |
| US20140196131A1 (en) | User authentication based on a wrist vein pattern | |
| CN111368780B (en) | Combined recognition processing method and system based on fingerprint and finger vein | |
| CN104346604A (en) | A blood vessel image capturing apparatus and a terminal | |
| US20110169934A1 (en) | Vein pattern recognition based biometric system and methods thereof | |
| CN107239772A (en) | Palm print and palm vein image collecting device and clearance gate | |
| CN205028309U (en) | Cell -phone with finger vein identification module | |
| JP2013225324A (en) | Personal authentication device, image processor, terminal and system | |
| CN212112500U (en) | Vein recognition device and electronic equipment | |
| CN110866235B (en) | Identity recognition method and device for simultaneously capturing human pulse and vein images | |
| CN104715182A (en) | Mobile terminal with digital vein recognition device and digital vein recognition method | |
| CN106650711B (en) | Miniaturized finger vein recognition device | |
| CN110688932A (en) | Vein recognition method and device | |
| JP4872767B2 (en) | Biometric authentication device and biometric authentication method | |
| CN114463793A (en) | Image pickup apparatus, authentication apparatus, and biometric image pickup method | |
| JP2006312064A (en) | Finger feature pattern detector and individual identification device | |
| JP2008253598A (en) | Biometric authentication device and biometric authentication method | |
| JP4460367B2 (en) | Personal identification device | |
| JP4935923B2 (en) | Authentication device and feature pattern extraction device | |
| CN204680021U (en) | A kind of have the mobile terminal referring to vein identification device | |
| CN212160689U (en) | Self-adaptive plane type vein collection equipment | |
| CN216249344U (en) | Vein recognition equipment capable of resisting natural light interference | |
| CN209928446U (en) | Desktop formula palm arteries and veins recognition device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |