CN104680162A - Surrounding type fingerprint acquisition method and structure thereof - Google Patents
Surrounding type fingerprint acquisition method and structure thereof Download PDFInfo
- Publication number
- CN104680162A CN104680162A CN201510064845.1A CN201510064845A CN104680162A CN 104680162 A CN104680162 A CN 104680162A CN 201510064845 A CN201510064845 A CN 201510064845A CN 104680162 A CN104680162 A CN 104680162A
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- module
- light
- fingerprint
- supplementary lighting
- fingerprint collecting
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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
-
- 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
Abstract
The invention discloses a surrounding type fingerprint acquisition method. The surrounding type fingerprint acquisition method is characterized by comprising the following steps: (1) setting a fingerprint acquisition module, wherein the fingerprint acquisition model comprises a housing, a shooting module and a light supplementing module, wherein the housing is a transparent or semitransparent component and is used for bearing a finger, and the shooting module corresponds to the housing and is used for shooting a fingerprint on the housing, the light supplementing module is used for supplementing light for a shooting environment, the light supplementing module comprises a light diffusion plate and a plurality of light supplementing lamps which are annularly arranged around the shooting module and radiate light upwards, and the light diffusion plate is arranged above the light supplementing lamps and is used for diffusing and homogenizing the light; (2) pressing the finger on the housing, supplementing light through the light supplementing module and directly shooting a fingerprint image through the shooting module. The invention also discloses a surrounding type fingerprint acquisition structure for implementing the method. According to the surrounding type fingerprint acquisition method, the fingerprint can be acquired by direct shooting, the structure is concise and the form can be freely changed. In addition, surrounding light supplementing is adopted, so that the fingerprint is more distinct and distortion is reduced.
Description
Technical field
The present invention relates to fingerprint photographing process, be specifically related to circulating type fingerprint collecting method and structure thereof.
Background technology
Along with the development of science and technology, and due to the unicity of fingerprint, increasing fingerprint acquisition device, judges the identity of people with fingerprint collecting identification or directly replaces password, to avoid mistake, guaranteeing safety.Traditional fingerprint collecting method gathers fingerprint by linear sweep and electric capacity potential difference (PD) etc., and it exists the problem that volume is large, efficiency is low and cost is high respectively.And this method is on follow-up identifying processing, very loaded down with trivial details, and easily make mistakes, cause its reliability to there is certain defect.
Summary of the invention
The present invention be directed to deficiency of the prior art, and the structure of a kind of circulating type fingerprint collecting method and enforcement the method is provided.
For achieving the above object, the technical solution used in the present invention is:
A kind of circulating type fingerprint collecting method, is characterized in that, comprise the steps:
1) arrange fingerprint collecting module, this fingerprint collecting module comprises clamshell, taking module and supplementary lighting module, wherein, described clamshell is transparent or semitransparent component, carrying finger, and described taking module is corresponding with clamshell, take the fingerprint on it, described supplementary lighting module carries out light filling to shooting environmental; Wherein, described supplementary lighting module comprises astigmatism plate and some light compensating lamps, and described some light compensating lamps are located on taking module surrounding, and upwards polishing, described astigmatism plate is located at above light compensating lamp, by light diffusion and homogenising;
2) by finger presses on clamshell, carry out light filling by supplementary lighting module, taking module directly takes fingerprint image.
3) fingerprint image that taking module photographs is identified, gather fingerprint accurately.
Further, step 1) in, described clamshell comprises pressure-active element, and this pressure-active element carrying finger, reflects fingerprint and the pressing dynamics of finger sensing.Correspondingly, step 2) also comprise the steps: to point pressing force degree according to arriving of pressure-active element induction, the light filling degree of adjustment supplementary lighting module, adjustment taking module shooting focal length.
Further, step 1) in, described supplementary lighting module is LED supplementary lighting module, and described light compensating lamp is LED light supplement lamp, sends white light or blue light.Correspondingly, step 2) in, under the state of supplementary lighting module white light or blue light, described taking module shooting per second 60 times.Step 3) in, the fingerprint image photographed by taking module identifies, contrast, correction and fusion, gather fingerprint accurately.
A kind of circulating type fingerprint collecting structure implementing described method, it is characterized in that, comprise fingerprint collecting module, this fingerprint collecting module comprises clamshell, taking module and supplementary lighting module, and wherein, described clamshell is transparent or semitransparent component, carrying finger, described taking module is corresponding with clamshell, takes the fingerprint on it, and described supplementary lighting module carries out light filling to shooting environmental; Wherein, described supplementary lighting module comprises astigmatism plate and some light compensating lamps, and described some light compensating lamps are located on taking module surrounding, and upwards polishing, described astigmatism plate is located at above light compensating lamp, by light diffusion and homogenising.
Further, described clamshell comprises pressure-active element, and this pressure-active element carrying finger, reflects fingerprint and the pressing dynamics of finger sensing.
Further, described taking module comprises COMS sensor, camera lens and peripheral circuit.
The invention has the advantages that: the present invention has that volume is little, cost is low and the advantage such as operating experience is good, implementation method is innovated, taking module pen-hold grip is adopted to gather fingerprint, and supplementary lighting module is white or blue light, coordinate taking module can take 60 times in one second, reduce fingerprint collecting error and avoid false fingerprint.And its structure is succinct, and product form can arbitrarily change.In addition, the present invention also adopts circulating type light filling, by around the light compensating lamp being arranged on taking module surrounding and the astigmatism plate be arranged on light compensating lamp, make light close to normal photographing environment, the more clear ideal of picture, avoid picture to cause larger difference because light filling is improper, thus affect the collection identification of subsequent fingerprint.
Below in conjunction with accompanying drawing and embodiment, the present invention is described in more detail.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of circulating type fingerprint collecting structure;
In figure: clamshell 1; Taking module 2; Supplementary lighting module 3; Pressure-active element 4; Astigmatism plate 5; Light compensating lamp 6.
Embodiment
See Fig. 1, the circulating type fingerprint collecting method that the present embodiment provides, comprises the steps:
1) fingerprint collecting mould is set, this fingerprint collecting module comprises clamshell 1, taking module 2 and supplementary lighting module 3, wherein, described clamshell 1 is transparent or semitransparent component, carrying finger, described taking module 2 is corresponding with clamshell 1, takes the fingerprint on it, and described supplementary lighting module 3 pairs of shooting environmental carry out light filling; Wherein, described supplementary lighting module 3 comprises astigmatism plate 5 and some light compensating lamps 6, and described some light compensating lamps 6 are located on taking module 2 surrounding, and upwards polishing, described astigmatism plate 5 is located at above light compensating lamp 6, by light diffusion and homogenising;
2) by finger presses on clamshell 1, carry out light filling by supplementary lighting module 3, taking module 2 directly takes fingerprint image.
3) fingerprint image that taking module 2 photographs is identified, gather fingerprint accurately.
Particularly, step 1) in, described clamshell 1 comprises pressure-active element 4, and this pressure-active element 4 carrying finger, reflects fingerprint and the pressing dynamics of finger sensing.Correspondingly, step 2) also comprise the steps: to point pressing force degree according to arriving of pressure-active element 4 induction, the light filling degree of adjustment supplementary lighting module 3, adjustment taking module 2 shooting focal length.
Particularly, step 1) in, described supplementary lighting module 4 is LED supplementary lighting module, and described light compensating lamp is LED light supplement lamp, sends white light or blue light.Correspondingly, step 2) in, under the state of supplementary lighting module 3 white light or blue light, described taking module 2 shooting per second 60 times.Step 3) in, identified by the fingerprint image that taking module 2 photographs, contrast, correction and fusion, gather fingerprint accurately.
Implement the circulating type fingerprint collecting structure of described method, comprise fingerprint collecting module, this fingerprint collecting module comprises clamshell 1, taking module 2 and supplementary lighting module 3, wherein, described clamshell 1 is transparent or semitransparent component, carrying finger, and described taking module 2 is corresponding with clamshell 1, take the fingerprint on it, described supplementary lighting module 3 pairs of shooting environmental carry out light filling; Wherein, described supplementary lighting module 3 comprises astigmatism plate 5 and some light compensating lamps 6, and described some light compensating lamps 6 are located on taking module 2 surrounding, and upwards polishing, described astigmatism plate 5 is located at above light compensating lamp 6, by light diffusion and homogenising.
Particularly, described clamshell 1 comprises pressure-active element 4, and this pressure-active element 4 carrying finger, reflects fingerprint and the pressing dynamics of finger sensing.
Particularly, described taking module 2 comprises COMS sensor, camera lens and peripheral circuit.
The present invention is not limited to above-mentioned embodiment, adopts or approximation method identical with the above embodiment of the present invention or device, and other circulating type fingerprint collecting method and structures thereof of obtaining, all within protection scope of the present invention.
Claims (10)
1. a circulating type fingerprint collecting method, is characterized in that, comprises the steps:
1) arrange fingerprint collecting module, this fingerprint collecting module comprises clamshell, taking module and supplementary lighting module, wherein, described clamshell is transparent or semitransparent component, carrying finger, and described taking module is corresponding with clamshell, take the fingerprint on it, described supplementary lighting module carries out light filling to shooting environmental; Wherein, described supplementary lighting module comprises astigmatism plate and some light compensating lamps, and described some light compensating lamps are located on taking module surrounding, and upwards polishing, described astigmatism plate is located at above light compensating lamp, by light diffusion and homogenising;
2) by finger presses on clamshell, carry out light filling by supplementary lighting module, taking module directly takes fingerprint image.
2. circulating type fingerprint collecting method according to claim 1, it is characterized in that, it also comprises the steps:
3) fingerprint image that taking module photographs is identified, gather fingerprint accurately.
3. circulating type fingerprint collecting method according to claim 1, is characterized in that, step 1) in, described clamshell comprises pressure-active element, and this pressure-active element carrying finger, reflects fingerprint and the pressing dynamics of finger sensing.
4. circulating type fingerprint collecting method according to claim 3, is characterized in that, step 2) also comprise the steps: to point pressing force degree according to arriving of pressure-active element induction, the light filling degree of adjustment supplementary lighting module, adjustment taking module shooting focal length.
5. circulating type fingerprint collecting method according to claim 2, is characterized in that, step 1) in, described supplementary lighting module is LED supplementary lighting module, and described light compensating lamp is LED light supplement lamp, sends white light or blue light.
6. circulating type fingerprint collecting method according to claim 5, is characterized in that, step 2) in, under the state of supplementary lighting module white light or blue light, described taking module shooting per second 60 times.
7. circulating type fingerprint collecting method according to claim 6, is characterized in that, step 3) in, the fingerprint image photographed by taking module identifies, contrast, correction and fusion, gather fingerprint accurately.
8. one kind implements the claims the circulating type fingerprint collecting structure of one of 1 to 7 described method, it is characterized in that, comprise fingerprint collecting module, this fingerprint collecting module comprises clamshell, taking module and supplementary lighting module, and wherein, described clamshell is transparent or semitransparent component, carrying finger, described taking module is corresponding with clamshell, takes the fingerprint on it, and described supplementary lighting module carries out light filling to shooting environmental; Wherein, described supplementary lighting module comprises astigmatism plate and some light compensating lamps, and described some light compensating lamps are located on taking module surrounding, and upwards polishing, described astigmatism plate is located at above light compensating lamp, by light diffusion and homogenising.
9. circulating type fingerprint collecting method according to claim 8, is characterized in that, described clamshell comprises pressure-active element, and this pressure-active element carrying finger, reflects fingerprint and the pressing dynamics of finger sensing.
10. circulating type fingerprint collecting method according to claim 8, is characterized in that, described taking module comprises COMS sensor, camera lens and peripheral circuit.
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| Application Number | Priority Date | Filing Date | Title |
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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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| CN201510064845.1A CN104680162B (en) | 2015-02-06 | 2015-02-06 | Circulating type fingerprint collecting method and its construction |
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| CN104680162A true CN104680162A (en) | 2015-06-03 |
| CN104680162B CN104680162B (en) | 2018-11-23 |
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| CN107506730A (en) * | 2017-08-25 | 2017-12-22 | 北京小米移动软件有限公司 | Fingerprint module, pressure sensitive control method, device and computer-readable recording medium |
| CN108229372A (en) * | 2017-12-29 | 2018-06-29 | 努比亚技术有限公司 | Fingerprint identification method, mobile terminal and computer readable storage medium |
| CN108734157A (en) * | 2018-08-28 | 2018-11-02 | 北京乾沛科技有限公司 | First knuckle refers to venous collection device and method |
| 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 |
| CN109934059A (en) * | 2017-12-15 | 2019-06-25 | 合肥鑫晟光电科技有限公司 | Array substrate and its driving method, preparation method and display device |
| CN111277738A (en) * | 2020-01-19 | 2020-06-12 | 维沃移动通信有限公司 | Light filling lamp assembly and electronic equipment |
| US11830279B2 (en) | 2019-05-29 | 2023-11-28 | Vivo Mobile Communication Co., Ltd. | Screen fingerprint component and terminal device |
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| CN108229372A (en) * | 2017-12-29 | 2018-06-29 | 努比亚技术有限公司 | Fingerprint identification method, mobile terminal and computer readable storage medium |
| 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 |
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| US11830279B2 (en) | 2019-05-29 | 2023-11-28 | Vivo Mobile Communication Co., Ltd. | Screen fingerprint component and terminal device |
| CN111277738A (en) * | 2020-01-19 | 2020-06-12 | 维沃移动通信有限公司 | Light filling lamp assembly and electronic 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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| CN104680162B (en) | 2018-11-23 |
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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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