CN105335721A - Portable mobile terminal finger vein recognition device and terminal using device - Google Patents
Portable mobile terminal finger vein recognition device and terminal using device Download PDFInfo
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- CN105335721A CN105335721A CN201510724966.4A CN201510724966A CN105335721A CN 105335721 A CN105335721 A CN 105335721A CN 201510724966 A CN201510724966 A CN 201510724966A CN 105335721 A CN105335721 A CN 105335721A
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- mobile terminal
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- 210000003462 vein Anatomy 0.000 title claims abstract description 74
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 5
- 230000002401 inhibitory effect Effects 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 230000000452 restraining effect Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 230000010365 information processing Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012795 verification Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- INGWEZCOABYORO-UHFFFAOYSA-N 2-(furan-2-yl)-7-methyl-1h-1,8-naphthyridin-4-one Chemical compound N=1C2=NC(C)=CC=C2C(O)=CC=1C1=CC=CO1 INGWEZCOABYORO-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 108010002255 deoxyhemoglobin Proteins 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/141—Control of illumination
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/14—Vascular patterns
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Image Input (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention provides a portable mobile terminal finger vein recognition device and a terminal using the device. The portable mobile terminal finger vein recognition device comprises a finger position limiting part which is arranged at the backboard of the terminal and used for limiting the position of fingers; a light-emitting part which is close to the finger position limiting part and used for lighting the fingers put on the finger position limiting part; and an image photographing device which is used for photographing a finger vein image and is connected with the master control system of a mobile terminal. The problems that the finger vein recognition device is large in external dimension and cannot be applied to the thinner mobile terminal can be solved, and information processing security of the mobile terminal is enhanced with combination of rapid processing speed of the mobile terminal. Besides, the portable mobile terminal finger vein recognition device has the characteristics of being simple in recognition mode.
Description
Technical Field
The invention relates to the technical field of biological feature recognition, in particular to a portable mobile terminal finger vein recognition device and a terminal adopting the same.
Background
In recent years, with the development of information technology, various types of terminals are in endless, various applications have been greatly developed, and the use or dependence of people on terminals has increased. Personal privacy information such as address lists, photos, information records, even bank card numbers and the like is usually stored on the terminal, which puts requirements on secrecy of the mobile terminal.
The current practice is to authenticate the password by setting an input password, and allow the terminal device to be used after the password passes the authentication. However, the disadvantages of this method are: passwords are easy to forget or input wrongly, the passwords are inconvenient to use, and in addition, if the passwords are cracked by people, the problem of low security exists.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a finger vein recognition device of a portable mobile terminal and a terminal adopting the device, so that the finger vein recognition device can be integrated on small-sized terminal equipment and has the characteristics of convenience in recognition, high safety and the like.
In order to solve the above technical problem, the present invention provides a finger vein recognition apparatus for a portable mobile terminal, which is provided in the mobile terminal, and includes:
the finger limiting part is arranged on the terminal back plate and used for limiting the position of a finger;
the light emitting part is close to the finger limiting part and is used for polishing fingers placed on the finger limiting part;
the camera device is used for shooting a finger vein image; the camera device is connected with a main control system of the mobile terminal.
Preferably, the first and second liquid crystal materials are,
the camera device is arranged on the outer surface of the terminal back plate and protrudes out of the outer surface of the back plate to shoot finger vein images; or,
the camera device is arranged on the inner surface of the terminal back plate, correspondingly, the mobile terminal finger vein recognition device further comprises a second near-infrared optical filter, and the second near-infrared optical filter is arranged on the terminal back plate between the finger limiting part and the camera device.
Preferably, the first and second liquid crystal materials are,
the light emitting part is arranged on the outer surface of the terminal back plate and protrudes out of the outer surface of the back plate to polish fingers; or
The light emitting part is arranged on the inner surface of the terminal back plate; the mobile terminal finger vein recognition device further comprises a first near-infrared filter, wherein the first near-infrared filter is arranged between the light emitting part and the finger limiting part and used for inhibiting the influence of environment visible light and non-near-infrared light on finger vein recognition; and an infrared-opaque partition plate installed between the light emitting section and the image pickup device.
Preferably, the light emitting portion includes a plurality of near-infrared LED light emitting diodes.
Preferably, the finger limiting part comprises one or more limiting points or limiting bosses or limiting grooves.
In order to solve the above technical problem, the present invention further provides a mobile terminal, including a main control system, further including:
the finger limiting part is arranged on the terminal back plate and used for limiting the position of a finger;
the light emitting part is close to the finger limiting part and is used for polishing fingers placed on the finger limiting part;
the camera device is used for shooting a finger vein image; the camera device is connected with a main control system of the mobile terminal.
Preferably, the first and second liquid crystal materials are,
the camera device is arranged on the outer surface of the terminal back plate and protrudes out of the outer surface of the back plate to shoot finger vein images; or,
the camera device is arranged on the inner surface of the terminal back plate, correspondingly, the mobile terminal finger vein recognition device further comprises a second near-infrared optical filter, and the second near-infrared optical filter is arranged on the terminal back plate between the finger limiting part and the camera device.
Preferably, the first and second liquid crystal materials are,
the light emitting part is arranged on the outer surface of the terminal back plate and protrudes out of the outer surface of the back plate to polish fingers; or
The light emitting part is arranged on the inner surface of the terminal back plate; the mobile terminal finger vein recognition device further comprises a first near-infrared filter, wherein the first near-infrared filter is arranged between the light emitting part and the finger limiting part and used for inhibiting the influence of environment visible light and non-near-infrared light on finger vein recognition; and an infrared-opaque partition plate installed between the light emitting section and the image pickup device.
Preferably, the light emitting portion includes a plurality of near-infrared LED light emitting diodes.
Preferably, the finger limiting part comprises one or more limiting points or limiting bosses or limiting grooves.
The invention solves the problem that the finger vein recognition device has larger overall dimension and can not be applied to a thinner mobile terminal, and improves the information processing safety of the mobile terminal by combining the faster processing speed of the mobile terminal. And has the characteristic of simple identification mode.
Drawings
Fig. 1 is a schematic structural diagram (cross-sectional view) of a finger vein recognition apparatus of a portable mobile terminal according to a first embodiment of the present invention.
Fig. 2 is a schematic diagram (front view) illustrating a usage status of the finger vein recognition apparatus of the portable mobile terminal according to the first embodiment of the present invention.
Fig. 3 is a schematic structural diagram (cross-sectional view) of a finger vein recognition apparatus of a portable mobile terminal according to a second embodiment of the present invention.
Fig. 4 is a diagram illustrating a usage status of the finger vein recognition apparatus of the portable mobile terminal according to the second embodiment of the present invention (front view).
Fig. 5 is a schematic structural diagram (cross-sectional view) of a finger vein recognition apparatus of a portable mobile terminal according to a third embodiment of the present invention.
Fig. 6 is a diagram illustrating a usage state of a finger vein recognition apparatus of a portable mobile terminal according to a third embodiment of the present invention (front view).
Fig. 7 is a schematic structural diagram (cross-sectional view) of a finger vein recognition apparatus of a portable mobile terminal according to a fourth embodiment of the present invention.
Fig. 8 is a diagram illustrating a usage status of a finger vein recognition apparatus of a portable mobile terminal according to a fourth embodiment of the present invention (front view).
Fig. 9 is a flowchart of a finger vein recognition method of a mobile terminal according to an embodiment of the present invention.
Detailed Description
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 them. 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.
With the development of biometric technology, biometrics is becoming an important means for information encryption. But at present there are few applications where biometrics can be obtained in mobile terminals. At present, only a few mobile phones in the market adopt fingerprint identification. However, because the fingerprint is exposed on the surface of the skin, the fingerprint information is easily copied, and the finger is easily peeled and scratched, the security of the fingerprint is not very high.
Since the finger vein collection system needs illumination, how to apply the finger vein collection system to portable terminals such as mobile phones becomes a technical problem in the field.
The deoxyhemoglobin in human veins has a strong absorption effect on near-infrared light with the wavelength of 700-900 nm. Therefore, when the vein is illuminated by a near-infrared Light Emitting Diode (LED) from one side and shot by a detector module responding to near infrared light on the other side, a finger vein image with high contrast can be obtained. The vein part is a black part in the picture, and the part of the picture without veins is brighter.
Referring to fig. 1, a schematic structural diagram of a finger vein recognition apparatus of a portable mobile terminal according to a first embodiment of the present invention is shown. The mobile terminal finger vein recognition device comprises:
the finger limiting part 102 is positioned on the back of the mobile phone and used for limiting the position of a finger; in the preferred embodiment of the present invention shown in fig. 1, the finger restraint portion includes at least one restraint point; the limiting points can limit the front and back and up and down positions of the fingers, so that the situation that the positions of the fingers are inconsistent to cause identification failure is avoided;
a light emitting part 100 provided on a side of the finger (when the front of the mobile phone is downward) to polish the finger placed on the finger-restricting part from the side below; in a preferred embodiment of the present invention, the light emitting part 100 includes a plurality of near infrared led light emitting diodes;
a first near-infrared filter 104a disposed between the light emitting unit 100 and the finger-limiting unit 102, for suppressing influence of ambient visible light and non-near-infrared light on finger vein recognition;
a second near-infrared filter 104b, wherein a camera device 106 for shooting the finger in an oblique direction is arranged below the second near-infrared filter 104b, and the second near-infrared filter 104b is arranged between the finger limiting part 102 and the camera device 106; the camera device 106 is connected with a main control system of the mobile terminal, the camera device 106 transmits the collected finger vein information to the main control system, and the main control system realizes control of vein collection, processing of vein data, verification of the vein data and the like;
the infrared-opaque partition 103 is mounted between the light emitting unit 100 and the imaging device 106.
Referring to fig. 1 and fig. 2, the mobile terminal finger vein collection device has the following working processes: the LED assembly 100 is connected with a main board 101 of the mobile terminal, and the switch of the LED assembly 100 is controlled through the main board 101 of the mobile terminal; a limiting point 102 for limiting the position of the finger 108, wherein a plurality of limiting points can ensure that the position of the finger 108 is kept constant during each vein recognition; the baffle 103 is used for shielding the light emitted by the near-infrared LED assembly 100 from directly irradiating the camera device 106, and the baffle 103 can inhibit the influence of primary stray light and improve the definition of an image; the near infrared filter 104b on the right side of the finger is capable of filtering the effects of ambient visible light. The camera device 106 is located on the right side of the finger 108 and controlled by the mobile terminal main board 101, and the collected finger vein image is processed by the mobile terminal for storage or comparison and verification.
The near infrared LED is turned on by the control module of the mobile terminal's main control system so that the LED illuminates the top of the finger 108. The camera device 106 collects finger vein images; the mobile terminal processes the image acquired by the camera device 106, and registers or authenticates the processed data. The registered data can be used for comparison of secondary verification or cloud storage; the data of the identity authentication can be compared with the data in the database. And according to the comparison result, providing processing information of identity authentication.
In another embodiment of the present invention, the near infrared LED assembly may be located obliquely above the finger, and the LED illuminates obliquely towards the finger. The near infrared LED can also be positioned right below the finger to illuminate from the side of the finger.
In the preferred embodiment of the present invention, the finger-restraining portion 102 includes restraining points located at the back of the phone near the front and back and up and down of the fingers. The restriction site should not affect the flow of venous blood within the finger and be capable of restricting the position of the finger. The limit point can be a point, and can also be other bosses or grooves with similar functions.
Referring to fig. 3 and 4, which are a schematic structural diagram and a usage state diagram of a finger vein recognition apparatus of a portable mobile terminal according to a second embodiment of the present invention, the near-infrared LED group 100 is still located obliquely below the finger 108 (when the mobile phone is facing downward) and below the near-infrared filter 104a, and the near-infrared LED group 100 illuminates obliquely, as in the first embodiment. The difference is that the camera device 106 is located at the tail of the backboard of the mobile terminal, and horizontally collects images of finger veins.
Referring to fig. 5 and 6, which are a schematic structural view and a usage state view of a finger vein recognition apparatus of a portable mobile terminal according to a third embodiment of the present invention, a near-infrared LED group 100 is located on a back plate of the mobile terminal, directly protrudes out of a rear case of the mobile terminal, and illuminates the back of a finger 108 with an edge of an LED divergence angle; the imaging device 106 is located below the near-infrared filter 104b, is inclined toward the finger, and collects an image of the finger vein through the infrared filter.
Referring to fig. 7 and 8, which are a schematic structural diagram and a usage state diagram of a portable mobile terminal finger vein recognition device according to a fourth embodiment of the present invention, a near-infrared LED group 100 protrudes out of a rear housing of the mobile terminal, an edge light irradiates a tip of a finger 108, a camera device 106 is located on the rear housing of the mobile terminal, and a finger vein image is horizontally collected.
Fig. 9 is a flowchart illustrating a finger vein recognition method of a mobile terminal according to an embodiment of the present invention. The method for identifying the finger vein of the mobile terminal comprises the following steps: the images collected by the camera device are processed by mobile terminal hardware and an algorithm to obtain distribution information of the finger veins, and corresponding permission is granted or rejected according to the application of the mobile terminal.
The embodiment of the invention also provides a mobile terminal comprising the finger vein recognition device.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a portable mobile terminal finger vein recognition device, sets up in mobile terminal, its characterized in that includes:
the finger limiting part is arranged on the terminal back plate and used for limiting the position of a finger;
the light emitting part is close to the finger limiting part and is used for polishing fingers placed on the finger limiting part;
the camera device is used for shooting a finger vein image; the camera device is connected with a main control system of the mobile terminal.
2. The portable mobile terminal finger vein recognition apparatus of claim 1,
the camera device is arranged on the outer surface of the terminal back plate and protrudes out of the outer surface of the back plate to shoot finger vein images; or,
the camera device is arranged on the inner surface of the terminal back plate, correspondingly, the mobile terminal finger vein recognition device further comprises a second near-infrared optical filter, and the second near-infrared optical filter is arranged on the terminal back plate between the finger limiting part and the camera device.
3. The portable mobile terminal finger vein recognition apparatus of claim 2,
the light emitting part is arranged on the outer surface of the terminal back plate and protrudes out of the outer surface of the back plate to polish fingers; or
The light emitting part is arranged on the inner surface of the terminal back plate; the mobile terminal finger vein recognition device further comprises a first near-infrared filter, wherein the first near-infrared filter is arranged between the light emitting part and the finger limiting part and used for inhibiting the influence of environment visible light and non-near-infrared light on finger vein recognition; and an infrared-opaque partition plate installed between the light emitting section and the image pickup device.
4. The portable mobile terminal finger vein recognition device according to claim 1, wherein said light emitting portion comprises a plurality of near infrared LEDs.
5. The portable mobile terminal finger vein recognition device according to claim 1, wherein said finger-restraining part comprises one or more restraining points or restraining bosses or restraining grooves.
6. A mobile terminal comprises a main control system and is characterized by further comprising:
the finger limiting part is arranged on the terminal back plate and used for limiting the position of a finger;
the light emitting part is close to the finger limiting part and is used for polishing fingers placed on the finger limiting part;
the camera device is used for shooting a finger vein image; the camera device is connected with a main control system of the mobile terminal.
7. The mobile terminal of claim 6,
the camera device is arranged on the outer surface of the terminal back plate and protrudes out of the outer surface of the back plate to shoot finger vein images; or,
the camera device is arranged on the inner surface of the terminal back plate, correspondingly, the mobile terminal finger vein recognition device further comprises a second near-infrared optical filter, and the second near-infrared optical filter is arranged on the terminal back plate between the finger limiting part and the camera device.
8. The mobile terminal of claim 7,
the light emitting part is arranged on the outer surface of the terminal back plate and protrudes out of the outer surface of the back plate to polish fingers; or
The light emitting part is arranged on the inner surface of the terminal back plate; the mobile terminal finger vein recognition device further comprises a first near-infrared filter, wherein the first near-infrared filter is arranged between the light emitting part and the finger limiting part and used for inhibiting the influence of environment visible light and non-near-infrared light on finger vein recognition; and an infrared-opaque partition plate installed between the light emitting section and the image pickup device.
9. The mobile terminal of claim 6, wherein the light emitting portion comprises a plurality of near infrared LEDs.
10. The mobile terminal of claim 6, wherein the finger restraint portion comprises one or more restraint sites or restraint bosses or restraint grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510724966.4A CN105335721A (en) | 2015-10-29 | 2015-10-29 | Portable mobile terminal finger vein recognition device and terminal using device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510724966.4A CN105335721A (en) | 2015-10-29 | 2015-10-29 | Portable mobile terminal finger vein recognition device and terminal using device |
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| CN105335721A true CN105335721A (en) | 2016-02-17 |
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| CN201510724966.4A Pending CN105335721A (en) | 2015-10-29 | 2015-10-29 | Portable mobile terminal finger vein recognition device and terminal using device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107393357A (en) * | 2016-05-16 | 2017-11-24 | 爱德华·钱德瑞·苏庇亚多 | Learning device in finger ring |
| 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 |
| CN110162954A (en) * | 2019-05-31 | 2019-08-23 | Oppo（重庆）智能科技有限公司 | Right management method and Related product |
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| US20080075331A1 (en) * | 2006-09-25 | 2008-03-27 | Soichi Sakurai | Finger vein authentication input apparatus |
| CN101334841A (en) * | 2007-06-28 | 2008-12-31 | 株式会社日立制作所 | Finger vein authentication unit and information processing unit |
| CN101404058A (en) * | 2007-10-03 | 2009-04-08 | 株式会社日立媒介电子 | Finger vein image inputting device |
| CN101727577A (en) * | 2008-10-17 | 2010-06-09 | 株式会社日立制作所 | Finger vein authentication device |
| CN104615975A (en) * | 2015-01-16 | 2015-05-13 | 深圳市维亿魄科技有限公司 | Mobile terminal and vein recognition device thereof |
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| US20080075331A1 (en) * | 2006-09-25 | 2008-03-27 | Soichi Sakurai | Finger vein authentication input apparatus |
| CN101334841A (en) * | 2007-06-28 | 2008-12-31 | 株式会社日立制作所 | Finger vein authentication unit and information processing unit |
| CN101404058A (en) * | 2007-10-03 | 2009-04-08 | 株式会社日立媒介电子 | Finger vein image inputting device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107393357A (en) * | 2016-05-16 | 2017-11-24 | 爱德华·钱德瑞·苏庇亚多 | Learning device in finger ring |
| 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 |
| CN110162954A (en) * | 2019-05-31 | 2019-08-23 | Oppo（重庆）智能科技有限公司 | Right management method and Related product |
| CN110162954B (en) * | 2019-05-31 | 2021-09-28 | Oppo（重庆）智能科技有限公司 | Authority management method and related product |
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Application publication date: 20160217 |