CN104680162B - Circulating type fingerprint collecting method and its construction - Google Patents
Circulating type fingerprint collecting method and its construction Download PDFInfo
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- CN104680162B CN104680162B CN201510064845.1A CN201510064845A CN104680162B CN 104680162 B CN104680162 B CN 104680162B CN 201510064845 A CN201510064845 A CN 201510064845A CN 104680162 B CN104680162 B CN 104680162B
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- shooting
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- fingerprint
- light
- clamshell
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- 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
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
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- 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
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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)
Abstract
The invention discloses kind of a circulating type fingerprint collecting methods, which is characterized in that includes the following steps：1) fingerprint collecting mould group is set, which includes clamshell, shooting module and supplementary lighting module, wherein, the clamshell is transparent or semitransparent component, carries finger, and the shooting module is corresponding with clamshell, the fingerprint of shooting thereon, the supplementary lighting module carry out light filling to shooting environmental；Wherein, the supplementary lighting module includes astigmatism plate and several light compensating lamps, and several light compensating lamps are located on shooting module surrounding, and upward polishing, and the astigmatism plate is set to above light compensating lamp, and light is spread and homogenized；2) by finger pressing on clamshell, light filling is carried out by supplementary lighting module, shooting module directly shoots fingerprint image.The invention also discloses the circulating type fingerprint collecting constructions for implementing the above method.The present invention acquires fingerprint using pen-hold grip, and its construction is succinct, and form can arbitrarily change.In addition, being more clear and reducing distortion using circulating type light filling.
Description
Technical field
The present invention relates to fingerprint shooting processing, and in particular to circulating type fingerprint collecting method and its construction.
Background technique
With the development of science and technology, and due to fingerprint unicity, more and more fingerprint acquisition devices use fingerprint
Acquisition identification is to judge the identity of people or directly instead of password, to avoid mistake, it is ensured that safety.Traditional fingerprint collecting method is
Fingerprint is acquired by linear scan and capacitor potential difference etc., is respectively present big volume, low efficiency and problem at high cost.And
And this method is on subsequent identifying processing, it is very complicated, and it is easy error, cause its reliability to there is certain lack
It falls into.
Summary of the invention
The present invention be directed to deficiencies in the prior art, and provide a kind of circulating type fingerprint collecting method and implement this method
Construction.
To achieve the above object, the technical solution adopted by the present invention is that：
A kind of circulating type fingerprint collecting method, which is characterized in that include the following steps：
1) fingerprint collecting mould group is set, which includes clamshell, shooting module and supplementary lighting module, wherein institute
Stating clamshell is transparent or semitransparent component, carries finger, the shooting module is corresponding with clamshell, shoots fingerprint thereon, institute
It states supplementary lighting module and light filling is carried out to shooting environmental；Wherein, the supplementary lighting module includes astigmatism plate and several light compensating lamps, described several
Light compensating lamp is located on shooting module surrounding, and upward polishing, and the astigmatism plate is set to above light compensating lamp, by light diffusion and
It homogenizes；
2) by finger pressing on clamshell, light filling is carried out by supplementary lighting module, shooting module directly shoots fingerprint image.
3) fingerprint image for taking shooting module identifies, acquires accurate fingerprint.
Further, in step 1), the clamshell includes pressure cell, which carries finger, reflects fingerprint and feels
Answer the pressing dynamics of finger.Correspondingly, step 2) further includes following steps：Finger pressing force is arrived according to pressure cell induction
Degree adjusts the light filling degree of supplementary lighting module, adjusts shooting module shooting focal length.
Further, in step 1), the supplementary lighting module is LED supplementary lighting module, and the light compensating lamp is LED light supplement lamp, is issued
White light or blue light.Correspondingly, in step 2), in the state of supplementary lighting module white light or blue light, the shooting module shooting per second
60 times.In step 3), the fingerprint image that shooting module is taken is identified, is compared, corrects and is merged, and acquisition is accurate
Fingerprint.
A kind of circulating type fingerprint collecting construction for implementing the method, which is characterized in that including fingerprint collecting mould group, this refers to
It includes clamshell, shooting module and supplementary lighting module that line, which acquires mould group, wherein the clamshell is transparent or semitransparent component, carries hand
Refer to, the shooting module is corresponding with clamshell, shoots fingerprint thereon, and the supplementary lighting module carries out light filling to shooting environmental；Its
In, the supplementary lighting module includes astigmatism plate and several light compensating lamps, and several light compensating lamps are located on shooting module surrounding, and upwards
Polishing, the astigmatism plate are set to above light compensating lamp, and light is spread and homogenized.
Further, the clamshell includes pressure cell, which carries finger, refraction fingerprint and finger sensing is pressed
Surging.
Further, the shooting module includes COMS sensor, camera lens and peripheral circuit.
The advantage of the invention is that：The present invention has the advantages such as small in size, at low cost and operating experience is good, in implementation method
On innovated, fingerprint is acquired using shooting module pen-hold grip, and supplementary lighting module is white or blue light, cooperates shooting module in one second
It can shoot 60 times, reduce fingerprint collecting error and avoid false fingerprint.Moreover, its construction is succinct, product form can arbitrarily change.
In addition, the present invention also uses circulating type light filling, by being circumferentially positioned at the light compensating lamp of shooting module surrounding and being arranged in light filling
Astigmatism plate on lamp so that light, close to normal photographing environment, picture is more clear ideal, avoid picture because light filling is improper and
Larger difference is caused, to influence the acquisition identification of subsequent fingerprint.
With reference to the accompanying drawing with specific embodiment, the present invention is described in more detail.
Detailed description of the invention
Fig. 1 is the schematic diagram of circulating type fingerprint collecting construction；
In figure：Clamshell 1；Shooting module 2；Supplementary lighting module 3；Pressure cell 4；Astigmatism plate 5；Light compensating lamp 6.
Specific embodiment
Referring to Fig. 1, circulating type fingerprint collecting method provided in this embodiment includes the following steps：
1) fingerprint collecting mould is set, which includes clamshell 1, shooting module 2 and supplementary lighting module 3, wherein institute
Stating clamshell 1 is transparent or semitransparent component, carries finger, and the shooting module 2 is corresponding with clamshell 1, shoots fingerprint thereon,
The supplementary lighting module 3 carries out light filling to shooting environmental；Wherein, the supplementary lighting module 3 includes astigmatism plate 5 and several light compensating lamps 6, institute
It states several light compensating lamps 6 and is located on 2 surrounding of shooting module, and upward polishing, the astigmatism plate 5 is set to 6 top of light compensating lamp, by light
Diffusion and homogenization；
2) by finger pressing on clamshell 1, light filling is carried out by supplementary lighting module 3, shooting module 2 directly shoots fingerprint image
Picture.
3) fingerprint image that shooting module 2 takes is identified, acquires accurate fingerprint.
Specifically, in step 1), the clamshell 1 includes pressure cell 4, which carries finger, and refraction fingerprint is simultaneously
The pressing dynamics of finger sensing.Correspondingly, step 2) further includes following steps：It is pressed according to what pressure cell 4 incuded to finger
Dynamics adjusts the light filling degree of supplementary lighting module 3, adjusts 2 shooting focal length of shooting module.
Specifically, in step 1), the supplementary lighting module 4 is LED supplementary lighting module, and the light compensating lamp is LED light supplement lamp, is issued
White light or blue light.Correspondingly, in step 2), in the state of 3 white light of supplementary lighting module or blue light, the every second beats of the shooting module 2
It takes the photograph 60 times.In step 3), the fingerprint image that shooting module 2 takes is identified, compares, correct and merges, acquisition is quasi-
True fingerprint.
Implement the circulating type fingerprint collecting construction of the method, including fingerprint collecting mould group, the fingerprint collecting mould group include
Clamshell 1, shooting module 2 and supplementary lighting module 3, wherein the clamshell 1 is transparent or semitransparent component, carries finger, the shooting
Module 2 is corresponding with clamshell 1, shoots fingerprint thereon, and the supplementary lighting module 3 carries out light filling to shooting environmental；Wherein, the benefit
Optical module 3 includes astigmatism plate 5 and several light compensating lamps 6, and several light compensating lamps 6 are located on 2 surrounding of shooting module, and beat upwards
Light, the astigmatism plate 5 are set to 6 top of light compensating lamp, light are spread and homogenized.
Specifically, the clamshell 1 includes pressure cell 4, which carries finger, refraction fingerprint and finger sensing
Pressing dynamics.
Specifically, the shooting module 2 includes COMS sensor, camera lens and peripheral circuit.
Present invention is not limited to the embodiments described above, using identical or approximation method or dress with the above embodiment of the present invention
Other circulating type fingerprint collecting methods and its construction set, and obtained, it is within the scope of the present invention.
Claims (7)
1. a kind of circulating type fingerprint collecting method, which is characterized in that include the following steps：
1) fingerprint collecting mould group is set, which includes clamshell, shooting module and supplementary lighting module, wherein the shell
Cover is transparent or semitransparent component, carries finger, the shooting module is corresponding with clamshell, shoots fingerprint thereon, the benefit
Optical module carries out light filling to shooting environmental；Wherein, the supplementary lighting module includes astigmatism plate and several light compensating lamps, several light fillings
Lamp is located on shooting module surrounding, and upward polishing, and the astigmatism plate is set to above light compensating lamp, by light diffusion and uniformly
Change；
2) by finger pressing on clamshell, light filling is carried out by supplementary lighting module, shooting module directly shoots fingerprint image；
Wherein, in the step 1), the clamshell includes pressure cell, which carries finger, reflects fingerprint and incudes
The pressing dynamics of finger；
Wherein, the step 2) further includes following steps：Finger pressing dynamics are arrived according to pressure cell induction, adjust light filling mould
The light filling degree of block adjusts shooting module shooting focal length.
2. circulating type fingerprint collecting method according to claim 1, which is characterized in that it further includes following steps：
3) fingerprint image for taking shooting module identifies, acquires accurate fingerprint.
3. circulating type fingerprint collecting method according to claim 1, which is characterized in that in step 1), the supplementary lighting module
For LED supplementary lighting module, the light compensating lamp is LED light supplement lamp, issues white light or blue light.
4. circulating type fingerprint collecting method according to claim 3, which is characterized in that white in supplementary lighting module in step 2)
In the state of light or blue light, shooting 60 times per second of the shooting module.
5. circulating type fingerprint collecting method according to claim 4, which is characterized in that in step 3), shooting module is clapped
The fingerprint image taken the photograph is identified, is compared, corrects and is merged, and accurate fingerprint is acquired.
6. a kind of circulating type fingerprint collecting constructing apparatus for implementing one of claim 1 to 5 the method, which is characterized in that packet
Fingerprint collecting mould group is included, which includes clamshell, shooting module and supplementary lighting module, wherein the clamshell is transparent
Or translucent components, finger is carried, the shooting module is corresponding with clamshell, shoots fingerprint thereon, the supplementary lighting module pair
Shooting environmental carries out light filling；Wherein, the supplementary lighting module includes astigmatism plate and several light compensating lamps, and several light compensating lamps are located on
Shooting module surrounding, and upward polishing, the astigmatism plate are set to above light compensating lamp, and light is spread and homogenized；
Wherein, the clamshell includes pressure cell, which carries finger, the pressing force of refraction fingerprint and finger sensing
Degree.
7. circulating type fingerprint collecting constructing apparatus according to claim 6, which is characterized in that the shooting module includes
COMS sensor, camera lens and peripheral circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510064845.1A CN104680162B (en) | 2015-02-06 | 2015-02-06 | Circulating type fingerprint collecting method and its construction |
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| CN201510064845.1A CN104680162B (en) | 2015-02-06 | 2015-02-06 | Circulating type fingerprint collecting method and its construction |
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| CN104680162A CN104680162A (en) | 2015-06-03 |
| CN104680162B true CN104680162B (en) | 2018-11-23 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107506730B (en) * | 2017-08-25 | 2021-06-29 | 北京小米移动软件有限公司 | Fingerprint module, pressure sensing control method and device and computer readable storage medium |
| CN109934059B (en) * | 2017-12-15 | 2022-07-05 | 合肥鑫晟光电科技有限公司 | Array substrate, driving method and preparation method thereof and display device |
| CN108229372B (en) * | 2017-12-29 | 2021-08-10 | 努比亚技术有限公司 | Fingerprint identification method, mobile terminal and computer readable storage medium |
| 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 |
| CN108734157B (en) * | 2018-08-28 | 2024-04-05 | 北京乾沛科技有限公司 | First knuckle finger vein collection device and method |
| CN110222618B (en) | 2019-05-29 | 2021-05-25 | 维沃移动通信有限公司 | Screen fingerprint assembly and terminal equipment |
| CN111277738B (en) * | 2020-01-19 | 2021-08-10 | 维沃移动通信有限公司 | Light filling lamp assembly and electronic equipment |
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| CN103150063A (en) * | 2013-04-09 | 2013-06-12 | 北京紫霄科技有限公司 | LCD (Liquid Crystal Display)-based optical multi-touch equipment |
| CN103632128A (en) * | 2012-08-24 | 2014-03-12 | 成都方程式电子有限公司 | Flat fingerprint gatherer |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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|---|---|---|---|---|
| CN201853242U (en) * | 2010-11-26 | 2011-06-01 | 成都方程式电子有限公司 | Micro optical fingerprint acquisition instrument |
| CN102156858A (en) * | 2011-04-18 | 2011-08-17 | 无锡爱维特信息技术有限公司 | Living body fingerprint identification device combining camera and fingerprint identifier |
| CN202058170U (en) * | 2011-04-18 | 2011-11-30 | 无锡爱维特信息技术有限公司 | Living-body fingerprint identifying device combining camera with fingerprint identifier |
| CN103632128A (en) * | 2012-08-24 | 2014-03-12 | 成都方程式电子有限公司 | Flat fingerprint gatherer |
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| CN104680162A (en) | 2015-06-03 |
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Effective date of registration: 20200706 Address after: 230000 west side of Xianghe North Road, Feidong Economic Development Zone, Feidong County, Hefei City, Anhui Province Patentee after: ANHUI GUANGZHEN PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 523000 Guangdong Province, Dongguan City Industrial Zone Qingxi Town Silver Star Patentee before: GUANGDONG LITE ARRAY Co.,Ltd. |
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