CN106030468A - Computer mouse having finger vein identification function - Google Patents
Computer mouse having finger vein identification function Download PDFInfo
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- CN106030468A CN106030468A CN201580000388.8A CN201580000388A CN106030468A CN 106030468 A CN106030468 A CN 106030468A CN 201580000388 A CN201580000388 A CN 201580000388A CN 106030468 A CN106030468 A CN 106030468A
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- finger vein
- finger
- infrared
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- vein image
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
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Abstract
A computer mouse having a finger vein identification function, comprising a mouse body impervious to visible light and infrared light. A finger vein image acquisition device is provided on the mouse body. A finger vein image identification device is provided in the mouse body. The finger vein image acquisition device transfers infrared light rays scattered by a detected finger to the finger vein image identification device. The finger vein image identification device generates a vein image according to the received infrared light rays scattered by the detected finger. By means of the present technical solution, finger vein identification can be performed directly through a computer mouse, the efficiency and accuracy of finger vein identification are improved, and the safety performance in Internet payment is greatly improved.
Description
The invention relates to the technical field of finger vein recognition, in particular to a computer mouse with a finger vein recognition function.
The vein recognition is one of biological recognition, the vein recognition system firstly obtains a personal vein distribution diagram through a vein recognition instrument, characteristic values are extracted from the vein distribution diagram according to a special comparison algorithm, images of veins of fingers, palms and backs of hands are obtained through an infrared camera, digital images of the veins are stored in a computer system, and the characteristic values are stored. When vein is compared, a vein image is adopted in real time, characteristic values are extracted, advanced filtering, image binarization and refining means are used for extracting characteristics of the digital image, the characteristics are compared with vein characteristic values stored in a host computer, and a complex matching algorithm is used for matching the vein characteristics, so that identity identification is carried out on individuals, and the identities are confirmed. Human finger vein recognition belongs to a new biological feature recognition technology, and has the characteristics of uniqueness, stability, collectability, non-invasiveness and the like as an important identity identification feature.
With the development of the internet online payment function, the payment security has higher requirements. The human finger vein recognition technology is applied to internet online payment, and the payment safety can be greatly enhanced. In the prior art, the identity is still usually confirmed by using password input, and because the password input cannot ensure that a person who inputs the password is the person who has the authority, certain potential safety hazards exist. In addition, in the vein recognition technology at present, the finger vein recognition device has a large volume and cannot be directly realized on a computer mouse.
The invention provides a computer mouse with a finger vein recognition function by reasonably designing, optimizing a light path and improving anti-interference, and solves the problems of potential safety hazard existing in identity identification and incapability of realizing vein recognition on a mouse due to too large vein recognition device in the prior art.
The technical scheme of the invention is realized as follows:
a computer mouse with a finger vein recognition function comprises a mouse body which is opaque to visible light and infrared light, wherein a finger vein image acquisition device is arranged on the mouse body, and a finger vein image recognition device is arranged in the mouse body; the finger vein image acquisition device transmits infrared light scattered by a detected finger to the finger vein image recognition device, and the finger vein image recognition device generates a vein image according to the received infrared light scattered by the detected finger.
Further, the vein image acquisition device comprises a left groove, a middle groove and a right groove which are sequentially arranged on the mouse body, and a first slit and a first infrared LED array through which infrared rays pass are sequentially arranged in the left groove; a second slit and a second infrared LED array through which infrared rays pass are sequentially arranged in the right groove; an infrared light transmitting filter is arranged in the middle groove and used for filtering infrared light scattered by the finger to be detected; the middle groove is arranged between the left groove and the right groove and used for positioning the placement position of the measured finger.
Further, a plane full-transmitting mirror, a concave lens, a convex lens and an infrared camera are arranged in the vein image recognition device; the planar holophote is arranged below the infrared transmitting optical filter to reflect the infrared light filtered by the infrared transmitting optical filter, and the planar holophote can change the transmission direction of the infrared light scattered by the finger to be detected by 90 degrees; the concave lens, the convex lens and the infrared camera are sequentially arranged in the transmission direction of the infrared light reflected by the planar total reflector, and the infrared camera receives the infrared light sequentially passing through the concave lens and the convex lens and generates a finger vein image.
Furthermore, the first slit and the second slit are provided with protrusions on one side close to the middle groove, so that part of infrared light from the slits is prevented from passing through the slits and directly entering the infrared camera after being reflected by the surface of the finger, interference of the light on a finger vein image is reduced, meanwhile, the two protrusions can also be used for transverse positioning of the detected finger, and the efficiency of vein recognition is reduced due to influence of transverse movement or rotation of the finger.
Further, each LED lamp in the first infrared LED array and the second infrared LED array is adjusted according to the joint position of the detected finger.
Further, the mouse comprises a USB concentrator and a signal transmission device, the finger vein image obtained by the vein image recognition device is transmitted to the USB concentrator, and the USB concentrator transmits the finger vein image to the computer through the signal transmission device. Therefore, the command function of the traditional mouse can be realized, and the function of human finger vein recognition can also be realized.
Further, the signal transmission device is a mouse USB wire or a mouse wireless transmitter.
Further, the finger vein collection device is arranged at the position of a left key or the position of a right key of the mouse body.
Furthermore, the mouse is provided with a plurality of groups of image acquisition devices.
Furthermore, the first infrared LED array and the second infrared LED array are both composed of LED lamps or LED chip patches.
By using the technical scheme of the invention, the finger vein recognition can be directly carried out through the computer mouse, the operation is simple, and the safety performance in internet payment is greatly improved.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an exploded view of a mouse structure in an embodiment of the present invention;
FIG. 2 is a schematic diagram of a mouse structure according to an embodiment of the present invention;
FIG. 3 is a diagram of a finger vein recognition light path in an embodiment of the present invention;
FIG. 4 is a diagram of a transmission path of a vein image according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a mouse with a finger vein recognition function only by a right button according to the present invention;
FIG. 6 is a schematic view of a wireless mouse according to the present invention;
FIG. 7 is a schematic diagram of the present invention adjusting the intensity of the LEDs based on the position of the finger joints;
FIG. 8 is a graph of a resulting finger vein image of non-adjustable LED intensity versus adjustable LED intensity;
FIG. 9 is a schematic view of a slot configuration in an embodiment of the present invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiment of the present invention shown in fig. 1 and 2, a computer mouse with human finger vein recognition function includes a mouse body 100 opaque to visible light and infrared light, finger vein image capturing devices 33 and 34 are disposed on the mouse body 100, and finger vein image recognition devices 28 and 29 are disposed inside the mouse body 100; the finger vein image acquisition devices 33 and 34 are used for transmitting the infrared light scattered by the detected fingers 19 and 27 to the finger vein image recognition devices 28 and 29, and the finger vein image recognition devices 28 and 29 receive the infrared light scattered by the detected fingers 19 and 27 to generate vein images.
In the embodiment of the present invention, two sets of finger vein image capturing devices 33 and 34 are provided, and can be respectively disposed at the left button 101 and the right button 102 of the mouse body 100, obviously, a set of finger vein image capturing devices 34 as shown in fig. 5 or fig. 6 can also be provided, and certainly, the finger vein image capturing devices 33 and 34 can also be correspondingly disposed at other positions of the mouse body, which is not described herein.
In the embodiment of the invention, the finger vein image acquisition device 33 arranged on the right key 102 comprises a left groove I11, a middle groove I15 and a right groove I10, wherein a slit I5 for infrared light to pass through and an infrared LED array I1 are sequentially arranged in the right groove I10 from top to bottom; an infrared-transmitting filter I16 is arranged in the middle groove I15; a slit II 6 through which infrared light passes and an infrared LED array II 2 are sequentially arranged in the left groove I11 from top to bottom.
The finger vein image acquisition device 34 arranged on the left key 101 corresponding to the right key 102 comprises a left groove II 14, a middle groove II 17 and a right groove II 13. The right groove II 13 is internally provided with a slit III 7 through which infrared light passes and an infrared LED array III 3 from top to bottom in sequence; an infrared transmitting filter II 18 is arranged in the middle groove II 17; a slit IV 8 through which infrared light passes and an infrared LED array IV 4 are sequentially arranged in the left groove II 14 from top to bottom. In an embodiment of the invention, the IR-transmissive filters I16 and II 18 may filter out or reduce the effects of ambient visible light on vein recognition.
In the embodiment of the present invention, there are two sets of finger vein image recognition devices 28 and 29 corresponding to the finger vein image collection devices 33 and 34, wherein as shown in fig. 1, the left finger vein image recognition device 28 corresponding to the finger vein image collection device 33 on the left button 101 of the mouse is sequentially provided with the mounting bracket 21 provided with the planar holophote 20, the lens bracket i 24, the concave lens 22, the convex lens 23, the lens bracket ii 25 and the infrared camera 26, and the planar holophote 20 is arranged below the infrared transmitting filter ii 18 and is used for reflecting the infrared light scattered by the finger 19 to be detected after being filtered by the infrared transmitting filter ii 18.
In the embodiment of the present invention, the inclination angle of the planar total reflection mirror 20 with respect to the transmission direction of the infrared light passing through the infrared transmitting filter ii 18 is 45 degrees, so that the planar total reflection mirror changes the transmission direction of the infrared light scattered by the detected finger 19 filtered by the infrared transmitting filter ii 18, and changes the transmission direction of 90 degrees. The concave lens 22, the convex lens 23 and the infrared camera 26 are sequentially arranged in the transmission direction of the infrared light reflected by the planar total reflection mirror 20, as shown in the optical path diagram of fig. 3. Therefore, optical components such as the concave lens 22, the convex lens 23, the lens bracket II 25, the infrared camera 26 and the like are prevented from being accumulated in the vertical direction of the infrared light scattered by the first measured finger 19; therefore, the human finger vein recognition device 28 can be easily arranged at other positions of the computer mouse body, and the condition that a thicker and heavier mouse shell is required to be used is avoided. In the embodiment of the present invention, the structure of the planar total reflection mirror 20 mounted on the mounting bracket 21 may also be directly replaced by a right-angle prism with a total reflection film plated on an inclined surface, and certainly, the inclined surface of the right-angle prism may also be a total reflection plane mirror.
The internal optical components of the finger vein image recognition device 29 corresponding to the finger vein image capture device 34 on the right button 102 in the embodiment of the present invention are the same in structure as the finger vein image recognition device 28 on the left button 101, and will not be described in detail here.
In the embodiment of the invention, when the finger vein recognition is performed, the recognition of two finger veins can be performed simultaneously, and one finger vein can be recognized independently. The second tested finger 27 can be placed in the middle groove I15 at the position of the right key 102; the first measured finger 19 can be placed in the middle groove II 17 at the position of the left key 101. As shown in fig. 3, infrared rays emitted by the infrared LED array iii 3 and the infrared LED array iv 4 respectively pass through the slit iii 7 and the slit iv 8 and then irradiate the first finger 19 to be detected, the infrared rays are scattered by the inside of the first finger 19 to be detected and then pass through the infrared transmission filter ii 18, the infrared rays filtered by the infrared transmission filter ii 18 are reflected by the planar total reflector 20, and then pass through the optical concave lens 22 and the convex lens 23 and then the infrared camera 26 to obtain a vein image of the first finger 19 to be detected.
Similarly, the infrared rays emitted by the infrared LED array i 1 and the infrared LED array ii 2 respectively pass through the slit i 5 and the slit ii 6 and strike the second detected finger 27, and the infrared rays are scattered by the inside of the second detected finger 27 and then pass through the finger vein image recognition device 29, so as to obtain a vein image of the second detected finger 27.
In the specific embodiment of the invention, the infrared LED array I1, the infrared LED array II 2, the infrared LED array III 3 and the infrared LED array IV can be respectively composed of LED lamps or LED chip patches. The number of LEDs depends on the size of the LEDs. Wherein, every infrared LED lamp in the infrared LED array can adjust infrared LED light intensity through the electric current of adjusting infrared LED lamp or using other general ways to carry out the regulation of the infrared LED lamp intensity of different positions according to finger joint position, because finger joint department is the printing opacity more easily, so if the finger joint department uses the light with the same intensity of finger non-joint department, can make the luminance of joint department can be great in the vein image of gathering by infrared camera 26, will lead to the luminance of finger vein picture inhomogeneous like this, as shown in figure 8 left picture, so as to influence the image processing of follow-up finger vein discernment. The slits in the specific embodiment of the invention are different from the traditional light holes, the intensity of each infrared LED is adjusted according to the position of the finger joint, the intensity of light emitted by infrared light along each slit I5, each slit II 6, each slit III 7 and each slit IV 8 is different, and the infrared light more suitable for human finger vein recognition can be obtained, so that finger vein images with uniform brightness can be obtained.
In the embodiment of the invention, as shown in fig. 9, the protrusions 35 may be disposed on both sides of the slit i 5 and the slit ii 6 through which infrared light passes, the side of the slit iii 7 and the side of the slit iv 8 through which infrared light passes, the side of the slit ii 17, and the protrusions 35 may be disposed on both sides of the slit iii 7 and the slit iv 8 through which infrared light passes, the protrusions 35 may block a portion of infrared light from the slits from directly entering the infrared camera through the slits after being reflected by the surface of the finger, so as to reduce interference of the light on the finger vein image. The protrusion 35 can be used for lateral positioning of the measured fingers 19 and 27, and the influence on the vein recognition efficiency caused by the lateral movement and rotation of the fingers is reduced.
In the embodiment of the present invention, the mouse further includes a USB hub 31 and a mouse USB cable 32 disposed inside the mouse body. As shown in fig. 4, the mouse command signal and the vein images of the detected fingers 19 and 27 are transmitted to the computer through the USB hub 31 by the mouse USB cable 32, so as to realize the functions of the conventional mouse and the human finger vein recognition. For the application occasions of mobile payment with higher requirement on the safety factor, the vein recognition functions of two fingers can be used simultaneously so as to improve the safety factor of recognition. For the application occasions with lower safety factors such as personal computer login and the like, only one vein recognition device can be used to reduce the manufacturing cost of the mouse, namely the mouse with the finger vein recognition function shown in figure 5.
Obviously, the mouse in the embodiment of the present invention may also be a wireless mouse as shown in fig. 6, the wireless mouse includes a USB hub 31 and a wireless transmitter, wherein the vein images of the detected fingers 19 and 27 are transmitted to the computer through the USB hub 31 via the wireless transmitter as the mouse command signals.
In the embodiment of the present invention, the vein recognition device may be selected according to the habit of the left and right hands of the user, and may have a vein recognition function at the left button 101 of the mouse, or may have a vein recognition function at the right button 102 of the mouse. The size of the slits 5, 6, 7, 8 through which the infrared light passes, and the width of the planar total reflection mirror and the infrared transmitting filter 16, 18 depend on the actual application. The mobile payment with higher requirement on the safety coefficient can select a long slit, a wide plane holophote 20 and infrared transmission filters 16 and 18, so that more human finger vein information can be obtained, and the safety of the mobile payment is improved.
Each LED lamp in the infrared LED array I1, the infrared LED array II 2, the infrared LED array III 3 and the infrared LED array IV can adjust the intensity of each LED lamp light by adjusting the current of the LED lamp or using other universal modes. Since the finger joints are more easily transparent, if the same intensity of light as that of the non-joint part of the finger is used at the finger joints, the brightness of the joints in the vein image collected by the infrared camera 26 is larger, as shown in the left diagram of fig. 8, which may result in uneven brightness of the finger vein image, and affect the subsequent image processing of finger vein recognition.
In the specific embodiment of the invention, the LED lamps in the infrared LED array can adjust the intensity of the LEDs according to the positions of the finger joints, so that the intensity of light emitted by infrared light emitted by the infrared LED array along corresponding slits is different, and infrared light more suitable for human finger vein recognition can be obtained, so that a finger vein image with uniform brightness can be obtained, as shown in the right image of fig. 8, and the subsequent image processing of finger vein recognition is facilitated.
The human finger vein recognition function in the embodiment of the invention adopts a similar reflection type principle, and is essentially different from a transmission type and a side-emission type principle. According to the technical scheme, the vein characteristics of the fingers can be acquired at one time without moving the detected fingers 19 and 27, and the vein characteristics of the fingers can be acquired without acquiring a plurality of vein images and splicing, so that the efficiency and the accuracy of finger vein identification are improved. According to the convenience or habit of the user, the human finger vein recognition function is arranged at the left button 101, or the human finger vein recognition function is arranged at the right button 102 as shown in fig. 5 or 6, or the human finger vein recognition functions are arranged at the left button and the right button, which belong to the coverage of the invention.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Industrial applicability
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Claims (10)
1. The utility model provides a computer mouse with finger vein recognition function, includes the mouse body of opaque visible light and infrared light, its characterized in that: the mouse body is provided with a finger vein image acquisition device, and the inside of the mouse body is provided with a finger vein image recognition device; the finger vein image acquisition device transmits infrared light scattered by a detected finger to the finger vein image recognition device, and the finger vein image recognition device generates a vein image according to the received infrared light scattered by the detected finger.
2. The computer mouse with finger vein recognition function according to claim 1, wherein: the vein image acquisition device comprises a left groove, a middle groove and a right groove which are sequentially arranged on a mouse body, wherein a first slit through which infrared rays pass and a first infrared LED array are sequentially arranged in the left groove; a second slit and a second infrared LED array through which infrared rays pass are sequentially arranged in the right groove; an infrared light transmitting filter is arranged in the middle groove and used for filtering infrared light scattered by the finger to be detected; the middle groove is arranged between the left groove and the right groove and used for positioning the placement position of the measured finger.
3. The computer mouse with finger vein recognition function according to claim 2, wherein: a plane full-transmitting mirror, a concave lens, a convex lens and an infrared camera are arranged in the vein image recognition device; the planar holophote is arranged below the infrared transmitting optical filter to reflect the infrared light filtered by the infrared transmitting optical filter, and the transmission direction of the infrared light filtered by the infrared transmitting optical filter can be changed by 90 degrees by the planar holophote; the concave lens, the convex lens and the infrared camera are sequentially arranged in the transmission direction of the infrared light reflected by the planar total reflector, and the infrared camera receives the infrared light sequentially passing through the concave lens and the convex lens and generates a finger vein image.
4. The computer mouse with finger vein recognition function according to claim 3, wherein: the first slit and the second slit are provided with protrusions on one side close to the middle groove.
5. The computer mouse with finger vein recognition function according to claim 4, wherein: and each LED lamp in the first and second infrared LED arrays is adjusted according to the joint position of the detected finger.
6. The computer mouse with finger vein recognition function according to claim 5, wherein: the mouse comprises a USB concentrator and a signal transmission device, the finger vein image obtained by the vein image recognition device is transmitted to the USB concentrator, and the USB concentrator transmits the finger vein image to a computer through the signal transmission device.
7. The computer mouse with finger vein recognition function according to claim 6, wherein: the signal transmission device is a mouse USB wire or a mouse wireless transmitter.
8. The computer mouse with finger vein recognition function according to any one of claims 2 to 7, wherein: the finger vein collection device is arranged at the position of a left key or the position of a right key of the mouse body.
9. The computer mouse with finger vein recognition function according to claim 8, wherein: the mouse is provided with a plurality of groups of image acquisition devices.
10. The computer mouse with finger vein recognition function according to claim 9, wherein: the first infrared LED array and the second infrared LED array are composed of LED lamps or LED chip patches.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2015/072747 WO2016127335A1 (en) | 2015-02-11 | 2015-02-11 | Computer mouse having finger vein identification function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106030468A true CN106030468A (en) | 2016-10-12 |
| CN106030468B CN106030468B (en) | 2019-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580000388.8A Active CN106030468B (en) | 2015-02-11 | 2015-02-11 | A kind of computer mouse with finger vena identification function |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106030468B (en) |
| WO (1) | WO2016127335A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107832750A (en) * | 2017-12-14 | 2018-03-23 | 北京乾沛科技有限公司 | Refer to venous collection apparatus and method |
| CN113705262A (en) * | 2021-09-06 | 2021-11-26 | 广州市远景达科技开发有限公司 | Hand-held type industry bar code scanning rifle |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109977926A (en) * | 2019-04-23 | 2019-07-05 | 珠海格力电器股份有限公司 | A kind of finger vein identification device, intelligent door lock and intelligent unlocking method |
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| CN103412658A (en) * | 2013-08-23 | 2013-11-27 | 江苏惠通集团有限责任公司 | Wireless mouse |
| CN203643956U (en) * | 2013-12-23 | 2014-06-11 | 南京理工大学连云港研究院 | Silent mouse based on light sensors |
| CN204028840U (en) * | 2014-09-01 | 2014-12-17 | 识益生物科技(北京）有限公司 | Mouse |
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2015
- 2015-02-11 CN CN201580000388.8A patent/CN106030468B/en active Active
- 2015-02-11 WO PCT/CN2015/072747 patent/WO2016127335A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412658A (en) * | 2013-08-23 | 2013-11-27 | 江苏惠通集团有限责任公司 | Wireless mouse |
| CN203643956U (en) * | 2013-12-23 | 2014-06-11 | 南京理工大学连云港研究院 | Silent mouse based on light sensors |
| CN204028840U (en) * | 2014-09-01 | 2014-12-17 | 识益生物科技(北京）有限公司 | Mouse |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107832750A (en) * | 2017-12-14 | 2018-03-23 | 北京乾沛科技有限公司 | Refer to venous collection apparatus and method |
| CN107832750B (en) * | 2017-12-14 | 2024-02-13 | 北京乾沛科技有限公司 | Finger vein collection device and method |
| CN113705262A (en) * | 2021-09-06 | 2021-11-26 | 广州市远景达科技开发有限公司 | Hand-held type industry bar code scanning rifle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106030468B (en) | 2019-03-05 |
| WO2016127335A1 (en) | 2016-08-18 |
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