CN104700075B - A kind of design method and its device of finger scan identification device - Google Patents
A kind of design method and its device of finger scan identification device Download PDFInfo
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- CN104700075B CN104700075B CN201510072540.5A CN201510072540A CN104700075B CN 104700075 B CN104700075 B CN 104700075B CN 201510072540 A CN201510072540 A CN 201510072540A CN 104700075 B CN104700075 B CN 104700075B
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- 239000000284 extract Substances 0.000 claims abstract description 3
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Abstract
The invention discloses a kind of design methods of finger scan identification device, include the following steps：1) design obtains the fingerprint collecting end of information in fingerprint, the fingerprint collecting end includes a clamshell, include taking module and supplementary lighting module in clamshell, wherein, clamshell is transparent or semitransparent component, carries finger, and taking module is corresponding with clamshell, the fingerprint of shooting thereon, supplementary lighting module carry out light filling to shooting environmental；2) design treatment extracts the finger prints processing end of user fingerprints information according to fingerprint collecting end, which is connected with fingerprint collecting end, and finger prints processing end includes being embedded with DSP processing chips, memory, output interface and the peripheral circuit of fingerprint algorithm；3) finger is pressed on the clamshell of collection terminal, light filling is carried out by supplementary lighting module, photographing module intake fingerprint image carries out image procossing, feature point extraction, matching comparison by DSP processing chips, it is exported via output interface as a result, reservoir stores fingerprint simultaneously.
Description
Technical field
The present invention relates to electronic identification devices, and in particular to a kind of design method and its dress of finger scan identification device
It puts.
Background technology
As wireless telecommunications system is more and more universal in people live, people carry out identification by finger scan
Process it is frequent, for many equipment with fingerprint identification function, traditional finger scan pattern needs finger to carry out low coverage at present
From sliding in a specified direction, during slip, fingerprint sweep sensor is scanned the finger in movement, to reach identification fingerprint
Purpose.But such mode needs user artificially to control finger moving direction and mobile speed, when doing fingerprint recognition to user
Operational motion it is more demanding, frequently encounter scanning mistake or identification less than situation, while also influence user experience.
Invention content
In view of the above-mentioned problems, the object of the present invention is to provide a kind of finger scan identification device design method and its
Device.
To achieve the above object, the technical solution adopted in the present invention is：
A kind of design method of finger scan identification device, which is characterized in that it includes the following steps：
(1) design obtains the fingerprint collecting end of information in fingerprint, which includes a clamshell, in the clamshell
Including taking module and supplementary lighting module, wherein, the clamshell is transparent or semitransparent component, carries finger, the taking module
It is corresponding with clamshell, fingerprint thereon is shot, the supplementary lighting module carries out light filling to shooting environmental；
(2) design treatment extracts the finger prints processing end of user fingerprints information, the finger prints processing according to the fingerprint collecting end
End is connected with the fingerprint collecting end, and the finger prints processing end includes being embedded with the DSP processing chips of fingerprint algorithm, storage
Device, output interface and peripheral circuit；
(3) finger is pressed on the clamshell of collection terminal, and light filling, photographing module intake fingerprint image are carried out by supplementary lighting module
Picture carries out image procossing, feature point extraction, matching comparison by DSP processing chips, is exported via output interface as a result, simultaneously
Reservoir stores fingerprint.
The clamshell includes pressure cell, and pressure cell includes the optics light film for being pasted on its surface, which holds
The pressing dynamics of finger, refraction fingerprint and finger sensing are carried, realize anti-false fingerprint.
The supplementary lighting module includes visible LED and UVLED lamp groups；The visible LED that the taking module acquires simultaneously
With the fingerprint image under UVLED lamp group light, by the visible LED acquired and UVLED fingerprint images, take the fingerprint spy respectively
After sign, the characteristic of fingerprint image is established, after being compared operation, denoising, fingerprint image is converted into characteristic, is obtained
Obtain high-precision finger print data.
The supplementary lighting module further includes a diffuser plate, it is seen that and light LED is located on taking module surrounding with UVLED lamp groups, and
Upward polishing, diffuser plate are set on visible LED with above UVLED lamp groups, light being spread and being homogenized, to obtain more preferably
Picture.
The supplementary lighting module senses finger pressing dynamics according to pressure cell, adjusts light filling degree, while adjust shooting mould
Block shooting focal length.
A kind of finger scan identification device for implementing above-mentioned design method, which is characterized in that including obtaining fingerprint image letter
The fingerprint collecting end of breath, the fingerprint collecting end include a clamshell, include taking module and supplementary lighting module in the clamshell, wherein,
The clamshell is transparent or semitransparent component, carries finger, and the taking module is corresponding with clamshell, shoots fingerprint thereon,
The supplementary lighting module carries out light filling to shooting environmental；Processing is extracted according to the fingerprint collecting end at the fingerprint of user fingerprints information
End is managed, which is connected with the fingerprint collecting end, and the finger prints processing end includes being embedded with the DSP of fingerprint algorithm
Processing chip, memory, output interface and peripheral circuit；Finger is pressed on the clamshell of collection terminal, is carried out by supplementary lighting module
Light filling, photographing module intake fingerprint image carry out image procossing, feature point extraction, matching comparison, warp by DSP processing chips
It is exported by output interface as a result, reservoir stores fingerprint simultaneously.
The clamshell includes pressure cell, and pressure cell includes the optics light film for being pasted on its surface, which holds
The pressing dynamics of finger, refraction fingerprint and finger sensing are carried, realize anti-false fingerprint.
The supplementary lighting module includes visible LED and UVLED lamp groups；The visible LED that the taking module acquires simultaneously
With the fingerprint image under UVLED lamp group light, by the visible LED acquired and UVLED fingerprint images, take the fingerprint spy respectively
After sign, the characteristic of fingerprint image is established, after being compared operation, denoising, fingerprint image is converted into characteristic, is obtained
Obtain high-precision finger print data.
The supplementary lighting module further includes a diffuser plate, it is seen that and light LED is located on taking module surrounding with UVLED lamp groups, and
Upward polishing, diffuser plate are set on visible LED with above UVLED lamp groups, light being spread and being homogenized, to obtain more preferably
Picture.
The supplementary lighting module senses finger pressing dynamics according to pressure cell, adjusts light filling degree, while adjust shooting mould
Block shooting focal length；The photographing module includes cmos sensor, wide-angle camera lens and peripheral circuit.
Beneficial effects of the present invention are：
1st, the design method and its device of finger scan identification device provided by the invention, passes through fingerprint collecting end and fingerprint
Processing end carries out image procossing, feature point extraction, matching comparison, storage and output as a result, realizing identification function.It is with volume
The advantages such as small, at low cost and operating experience is good.
2nd, also by sticking optics light film in pressure cell so that the image of intake is apparent；
It 3rd, can be under sufficient and uniform light source also by setting visible LED and UVLED lamp groups and diffuser plate
Work, so as to obtain apparent, effect better image.
Below in conjunction with the accompanying drawings with specific embodiment, the present invention is further described.
Description of the drawings
Fig. 1 is the finger scan identification device flow diagram of the present invention；
Fig. 2 is the finger scan identification device structure chart of the present invention.
In figure：1. 2. taking module of clamshell
3. 4. pressure cell of supplementary lighting module
5. 10. fingerprint collecting end of diffuser plate
20. 30. memory of finger prints processing end
Specific embodiment
Embodiment：Referring to Fig. 1~Fig. 2, the design method of finger scan identification device provided in this embodiment, including with
Lower step：
(1) the fingerprint collecting end 10 of information in fingerprint is obtained, which includes a clamshell, in the clamshell 1
Including taking module 2 and supplementary lighting module 3, wherein, the clamshell 1 is transparent or semitransparent component, carries finger, the shooting mould
Block 2 is corresponding with clamshell, shoots fingerprint thereon, and the supplementary lighting module 3 carries out light filling to shooting environmental；
(2) the finger prints processing end 20 of user fingerprints information, the finger prints processing are extracted in processing according to the fingerprint collecting end 10
End 20 is connected with the fingerprint collecting end 10, the finger prints processing end 20 including be embedded with fingerprint algorithm DSP processing chips,
Memory 30, output interface and peripheral circuit；
(3) finger is pressed on the clamshell 1 of collection terminal 10, carries out light filling by supplementary lighting module 3, the intake of photographing module 2 refers to
Print image, by DSP processing chips carry out image procossing, feature point extraction, matching compare, via output interface output as a result,
Reservoir 30 stores fingerprint simultaneously.
The clamshell 1 includes pressure cell 4, and pressure cell 4 includes the optics light film for being pasted on its surface, the pressure cell
The pressing dynamics of 4 carrying fingers, refraction fingerprint and finger sensing realize anti-false fingerprint.
The supplementary lighting module 3 includes visible LED and UVLED lamp groups；The visible LED that the taking module acquires simultaneously
With the fingerprint image under UVLED lamp group light, by the visible LED acquired and UVLED fingerprint images, take the fingerprint spy respectively
After sign, the characteristic of fingerprint image is established, after being compared operation, denoising, fingerprint image is converted into characteristic, is obtained
Obtain high-precision finger print data.
The supplementary lighting module 3 further includes a diffuser plate 5, it is seen that and light LED is located on 2 surrounding of taking module with UVLED lamp groups,
And upward polishing, diffuser plate 5 are set on visible LED with above UVLED lamp groups, light being spread and being homogenized, to obtain more
Ideal picture.
The supplementary lighting module 3 senses finger pressing dynamics according to pressure cell 4, adjusts light filling degree, while adjust shooting
2 shooting focal length of module.
A kind of finger scan identification device for implementing above-mentioned design method obtains the fingerprint of information in fingerprint including (1)
Collection terminal 10, the fingerprint collecting end include a clamshell, include taking module 2 and supplementary lighting module 3 in the clamshell 1, wherein, it is described
Clamshell 1 is transparent or semitransparent component, carries finger, the taking module 2 is corresponding with clamshell, shoots fingerprint thereon, institute
It states supplementary lighting module 3 and light filling is carried out to shooting environmental；The fingerprint of user fingerprints information is extracted in processing according to the fingerprint collecting end 10
Processing end 20, the finger prints processing end 20 are connected with the fingerprint collecting end 10, and the finger prints processing end 20 includes being embedded with finger
DSP processing chips, memory 30, output interface and the peripheral circuit of line algorithm；Finger is pressed on the clamshell 1 of collection terminal 10,
Light filling is carried out by supplementary lighting module 3, photographing module 2 absorbs fingerprint image, and image procossing, feature are carried out by DSP processing chips
Point extraction, matching comparison, export via output interface as a result, reservoir 30 stores fingerprint simultaneously.
The clamshell 1 includes pressure cell 4, and pressure cell 4 includes the optics light film for being pasted on its surface, the pressure cell
The pressing dynamics of 4 carrying fingers, refraction fingerprint and finger sensing realize anti-false fingerprint.
The supplementary lighting module 3 includes visible LED and UVLED lamp groups；The visible LED that the taking module acquires simultaneously
With the fingerprint image under UVLED lamp group light, by the visible LED acquired and UVLED fingerprint images, take the fingerprint spy respectively
After sign, the characteristic of fingerprint image is established, after being compared operation, denoising, fingerprint image is converted into characteristic, is obtained
Obtain high-precision finger print data.
The supplementary lighting module 3 further includes a diffuser plate 5, it is seen that and light LED is located on 2 surrounding of taking module with UVLED lamp groups,
And upward polishing, diffuser plate 5 are set on visible LED with above UVLED lamp groups, light being spread and being homogenized, to obtain more
Ideal picture.
The supplementary lighting module 3 senses finger pressing dynamics according to pressure cell 4, adjusts light filling degree, while adjust shooting
2 shooting focal length of module.
The above, only preferable possible embodiments of the invention, not to limit to the scope of the claims of the present invention, thus it is all
Change with the equivalent structure that present specification is made, be all contained in protection scope of the present invention.
Claims (6)
1. a kind of design method of finger scan identification device, which is characterized in that it includes the following steps：
(1) design obtains the fingerprint collecting end of information in fingerprint, which includes a clamshell, include in the clamshell
Taking module and supplementary lighting module, wherein, the clamshell is transparent or semitransparent component, carries finger, the taking module and shell
It covers corresponding, shoots fingerprint thereon, the supplementary lighting module carries out light filling to shooting environmental；The clamshell includes pressure cell,
Optics light film of the pressure cell including being pasted on its surface, pressure cell carrying finger, refraction fingerprint and finger sensing are pressed
Surging realizes anti-false fingerprint；The supplementary lighting module includes visible LED and UVLED lamp groups；The taking module acquires simultaneously
Visible LED and UVLED lamp group light under fingerprint image, the visible LED acquired and UVLED fingerprint images divide
Indescribably after print feature, the characteristic of fingerprint image is established, after being compared operation, denoising, fingerprint image is converted
Into characteristic, high-precision finger print data is obtained；
(2) design treatment according to the fingerprint collecting end extract user fingerprints information finger prints processing end, the finger prints processing end with
The fingerprint collecting end is connected, and the finger prints processing end includes being embedded with the DSP processing chips of fingerprint algorithm, memory, defeated
Outgoing interface and peripheral circuit；
(3) finger is pressed on the clamshell of collection terminal, carries out light filling by supplementary lighting module, photographing module intake fingerprint image leads to
It crosses DSP processing chips and carries out image procossing, feature point extraction, matching comparison, exported via output interface as a result, reservoir simultaneously
Fingerprint is stored.
2. the design method of finger scan identification device according to claim 1, which is characterized in that the supplementary lighting module is also
Including a diffuser plate, it is seen that light LED is located on taking module surrounding, and upward polishing with UVLED lamp groups, and diffuser plate is set on visible
Light LED is with above UVLED lamp groups, spreading light and homogenizing, to obtain more preferably picture.
3. the design method of finger scan identification device according to claim 1, which is characterized in that the supplementary lighting module root
Finger pressing dynamics are sensed according to pressure cell, adjust light filling degree, while adjust taking module shooting focal length.
4. a kind of finger scan identification device according to one of claims 1 to 3 design method, which is characterized in that including
Obtain the fingerprint collecting end of information in fingerprint, which includes a clamshell, include in the clamshell taking module and
Supplementary lighting module, wherein, the clamshell is transparent or semitransparent component, carries finger, and the taking module is corresponding with clamshell, is clapped
Fingerprint thereon is taken the photograph, the supplementary lighting module carries out light filling to shooting environmental；Processing is extracted user according to the fingerprint collecting end and is referred to
The finger prints processing end of line information, the finger prints processing end are connected with the fingerprint collecting end, and the finger prints processing end includes insertion
There are DSP processing chips, memory, output interface and the peripheral circuit of fingerprint algorithm；Finger is pressed on the clamshell of collection terminal, is led to
It crosses supplementary lighting module and carries out light filling, photographing module intake fingerprint image carries out image procossing by DSP processing chips, characteristic point carries
It takes, match comparison, exported via output interface as a result, reservoir stores fingerprint simultaneously；The clamshell includes pressure-sensitive member
Part, optics light film of the pressure cell including being pasted on its surface, pressure cell carrying finger, refraction fingerprint and finger sensing
Pressing dynamics realize anti-false fingerprint；The supplementary lighting module includes visible LED and UVLED lamp groups；The taking module is adopted simultaneously
The visible LED of collection and the fingerprint image under UVLED lamp group light, by the visible LED acquired and UVLED fingerprint images,
After the feature that takes the fingerprint respectively, the characteristic of fingerprint image is established, after being compared operation, denoising, fingerprint image is turned
It changes characteristic into, obtains high-precision finger print data.
5. finger scan identification device according to claim 4, which is characterized in that the supplementary lighting module further includes a diffusion
Plate, it is seen that light LED and UVLED lamp groups are located on taking module surrounding, and upward polishing, diffuser plate be set on visible LED with
Above UVLED lamp groups, light is spread and homogenized, to obtain more preferably picture.
6. finger scan identification device according to claim 4, which is characterized in that the supplementary lighting module is according to pressure cell
It senses finger pressing dynamics, adjusts light filling degree, while adjust taking module shooting focal length；The photographing module is passed including CMOS
Sensor, wide-angle camera lens and peripheral circuit.
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| CN201510072540.5A CN104700075B (en) | 2015-02-10 | 2015-02-10 | A kind of design method and its device of finger scan identification device |
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| CN201510072540.5A CN104700075B (en) | 2015-02-10 | 2015-02-10 | A kind of design method and its device of finger scan identification device |
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| CN104700075B true CN104700075B (en) | 2018-06-12 |
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| CN105786016B (en) * | 2016-03-31 | 2019-11-05 | 深圳奥比中光科技有限公司 | The processing method of unmanned plane and RGBD image |
| CN109190465A (en) * | 2018-07-26 | 2019-01-11 | 维沃移动通信有限公司 | A kind of light compensating lamp mould group, fingerprint identification method and terminal device |
| CN109061946B (en) * | 2018-08-31 | 2022-03-11 | Oppo广东移动通信有限公司 | Display screen assembly and electronic equipment |
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| CN1404002A (en) * | 2001-08-31 | 2003-03-19 | 日本电气株式会社 | Fingerprint inputting apparatus and identification method of the living utilizing fingerprint |
| CN101593022A (en) * | 2009-06-30 | 2009-12-02 | 华南理工大学 | A kind of quick human-computer interaction of following the tracks of based on finger tip |
| CN102004903A (en) * | 2010-11-17 | 2011-04-06 | 深圳市中控生物识别技术有限公司 | Anti-counterfeiting fingerprint identification device and fingerprint identification method |
| CN201853242U (en) * | 2010-11-26 | 2011-06-01 | 成都方程式电子有限公司 | Micro optical fingerprint acquisition instrument |
| CN102737233A (en) * | 2012-06-14 | 2012-10-17 | 胡昌阵 | Dark background optical fingerprint acquisition device |
| CN104217480A (en) * | 2014-08-29 | 2014-12-17 | 华南理工大学 | Intelligent entrance guard system based on fingerprint and finger vein joint recognition |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3559754B2 (en) * | 2000-07-25 | 2004-09-02 | Ｎｅｃエレクトロニクス株式会社 | Fingerprint authentication device |
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2015
- 2015-02-10 CN CN201510072540.5A patent/CN104700075B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1404002A (en) * | 2001-08-31 | 2003-03-19 | 日本电气株式会社 | Fingerprint inputting apparatus and identification method of the living utilizing fingerprint |
| CN101593022A (en) * | 2009-06-30 | 2009-12-02 | 华南理工大学 | A kind of quick human-computer interaction of following the tracks of based on finger tip |
| CN102004903A (en) * | 2010-11-17 | 2011-04-06 | 深圳市中控生物识别技术有限公司 | Anti-counterfeiting fingerprint identification device and fingerprint identification method |
| CN201853242U (en) * | 2010-11-26 | 2011-06-01 | 成都方程式电子有限公司 | Micro optical fingerprint acquisition instrument |
| CN102737233A (en) * | 2012-06-14 | 2012-10-17 | 胡昌阵 | Dark background optical fingerprint acquisition device |
| CN104217480A (en) * | 2014-08-29 | 2014-12-17 | 华南理工大学 | Intelligent entrance guard system based on fingerprint and finger vein joint recognition |
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Effective date of registration: 20190222 Address after: 523000 Silver Star Industrial Park, Qingxi Town, Dongguan, Guangdong Co-patentee after: ANHUI GUANGZHEN PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Patentee after: GUANGDONG LITE ARRAY Co.,Ltd. Address before: 523000 Silver Star Industrial Zone, Qingxi Town, Dongguan, Guangdong Patentee before: GUANGDONG LITE ARRAY Co.,Ltd. |
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Granted publication date: 20180612 |