CN106775061A - A kind of fingerprint identification device and its system, method based on touch display screen - Google Patents
A kind of fingerprint identification device and its system, method based on touch display screen Download PDFInfo
- Publication number
- CN106775061A CN106775061A CN201611051917.XA CN201611051917A CN106775061A CN 106775061 A CN106775061 A CN 106775061A CN 201611051917 A CN201611051917 A CN 201611051917A CN 106775061 A CN106775061 A CN 106775061A
- Authority
- CN
- China
- Prior art keywords
- fingerprint
- display screen
- touch display
- module
- identification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- 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
- G06V40/1347—Preprocessing; Feature extraction
Abstract
The invention provides a kind of fingerprint identification device based on touch display screen, including the fingerprint recognition component on mobile terminal, the fingerprint recognition component is touch display screen, and the touch display screen is through I2C buses and the processor connection communication of mobile terminal.The invention provides a kind of fingerprint recognition system, including touch display screen, fingerprint extraction module, fingerprint identification module, control module.Present invention also offers a kind of fingerprint identification method.Compared with prior art, touch display screen is replaced with by by fingerprint recognition component, so as to reduce cost；Simultaneously using touch display screen as the protection cap of camera module, part is not only reduced, and reduce further cost.
Description
Technical field
The present invention relates to a kind of fingerprint identification technology, particularly a kind of fingerprint identification device based on touch display screen and its
System, method.
Background technology
At present, touch display screen is widely used in mobile terminal, is a kind of sensing for receiving the input signals such as contact
Formula liquid crystal display device, when finger or other conductors are near capacitive influence sensor, the conductor due to human body equivalent to ground connection,
An electric capacity for finger is formd between finger and inductive pick-up, IC is by recognizing that positioning this capacitance can just position.
Existing fingerprint recognition component is a single part and is present in mobile terminal, is so not only added to
This, and also increase the probability of damage.
The content of the invention
To overcome the deficiencies in the prior art, the present invention to provide a kind of fingerprint identification device based on touch display screen and its be
System, method so that fingerprint recognition component is replaced with into touch display screen, so as to reduce production cost.
The invention provides a kind of fingerprint identification device based on touch display screen, including the fingerprint on mobile terminal
Recognizer component, the fingerprint recognition component is touch display screen, the touch display screen through I2C buses and mobile terminal treatment
Device connection communication.
Further, the touch display screen is located at the front end of the camera module of mobile terminal.
The invention provides a kind of fingerprint recognition system based on touch display screen, the fingerprint recognition system is included located at shifting
Finger print acquisition module in dynamic terminal, the finger print acquisition module is touch display screen, and touch display screen is located at mobile terminal
Camera module front end；
Touch display screen, for gathering the different capacitance in each position produced by finger pressing touch display screen, and
Capacitance is converted into positional information to send to fingerprint extraction module；
Fingerprint extraction module, obtains and draw after these positional informations fingerprint image and transmission is to fingerprint identification module；
A fingerprint identification module, for being carried out with the feature of finger print information in fingerprint base after the feature of the image that takes the fingerprint
With and identification, the result of identification is sent to control module；
Control module, the result according to identification unlocks the screen of mobile terminal.
Further, the fingerprint extraction module, is additionally operable to be filtered fingerprint image correction.
Further, the fingerprint recognition system also includes fingerprint presetting module, for the new of typing unblock mobile terminal
Finger print information.
Further, the control module, is additionally operable to when the result of identification is do not have the finger in the presence of matching in fingerprint base
During line information, control module is not unlocked to the screen of mobile terminal and waits result next time.
Present invention also offers a kind of fingerprint identification method based on touch display screen, it is characterised in that：The method includes
Following steps：
Step one S01, user's finger fingerprint face are covered in touch display screen, and touch display screen collection finger pressing is touched
The different capacitance in each position produced by display screen, and these capacitances are converted into positional information send to fingerprint extraction
Module；
Step 2 S02, fingerprint extraction module draw out fingerprint image according to positional information, and fingerprint image is sent to finger
Line identification module；
Step 3 S03, fingerprint identification module are extracted and the finger print information in fingerprint base to the feature of fingerprint image
Feature matched and recognized, the result of identification is sent to control module；
Step 4 S04, control module unlock the screen of mobile terminal according to result.
Further, after the fingerprint extraction module draws out fingerprint image, correction is filtered to fingerprint image.
Further, when the result of identification is that control module is not when not having to exist the finger print information of matching in fingerprint base
Result next time is unlocked and waited to the screen of mobile terminal.
The present invention compared with prior art, replaces with touch display screen, so as to reduce into by by fingerprint recognition component
This；Simultaneously using touch display screen as the protection cap of camera module, part is not only reduced, and reduce further into
This.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is system block diagram of the invention.
Fig. 3 is system flow chart of the invention.
Fig. 4 is the structural representation of the specific set location of inventive touch display screen.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of fingerprint identification device based on touch display screen of the invention, including on mobile terminal
Fingerprint recognition component, the fingerprint recognition component is touch display screen 1, and touch display screen 1 is through I2C buses and mobile terminal
Processor connection communication, it is achieved thereby that the input of the positional information of fingerprint.
Touch display screen 1 can be the screen of existing mobile terminal or separately set a touch display screen in the present invention.
Preferably, as shown in figure 4, being the specific set location of inventive touch display screen 1, in this embodiment, touch
Display screen 1 separately to set, so can convenient use, the touch display screen 1 is arranged on to be located on the rear shell 3 of mobile terminal and images
The front end of head mould group 2 (dotted portion in figure), from the protection cap for substituting existing camera module 2, reduces part, further
Reduces cost, and it is easy to one-handed performance.
As shown in Fig. 2 a kind of fingerprint recognition system based on touch display screen, the fingerprint recognition system is including located at movement
Finger print acquisition module in terminal, the finger print acquisition module is touch display screen, and touch display screen is taken the photograph located at mobile terminal
As head mould group front end；
Touch display screen, for gathering the different capacitance in each position produced by finger pressing touch display screen, and
Capacitance is converted into positional information to send to fingerprint extraction module；
Fingerprint extraction module, obtains and draw after these positional informations fingerprint image and transmission is to fingerprint identification module；
A fingerprint identification module, for being carried out with the feature of finger print information in fingerprint base after the feature of the image that takes the fingerprint
With and identification, the result of identification is sent to control module；
Control module, the result according to identification unlocks the screen of mobile terminal.
The fingerprint extraction module, is additionally operable to be filtered fingerprint image correction, and filtering correction is using conventional image
Filtering method is realized, is not specifically limited herein.
The fingerprint recognition system also includes fingerprint presetting module, and the new finger print information of mobile terminal is unlocked for typing,
Realize using or replacing the finger print information in fingerprint base first.
The control module, be additionally operable to when identification result be do not have in fingerprint base exist matching finger print information when,
Control module is not unlocked to the screen of mobile terminal and waits result next time.
Touch display screen can share an I2C bus and driver element with the screen of mobile terminal in the present invention, wherein
The ID of touch display screen can be set to 1, the screen ID of mobile terminal is set to 0；Specifically, when finger presses touch display screen
After 1, touch display screen is waken up, and the processor of mobile terminal recognizes the activation signal of ID1, and enabling fingerprint recognition system is carried out
Fingerprint recognition, after completing matching and recognizing, mobile terminal solution lock screen, processor is closed fingerprint recognition system and is converted to shifting
The screen work of dynamic terminal, user can carry out the screen operator of correlation.
As shown in figure 3, a kind of fingerprint identification method based on touch display screen of the invention, the method including walking as follows
Suddenly：
Step one S01, user's finger fingerprint face are covered in touch display screen, and touch display screen collection finger pressing is touched
The different capacitance in each position produced by display screen, and these capacitances are converted into positional information send to fingerprint extraction
Module；
Step 2 S02, fingerprint extraction module draw out fingerprint image according to positional information, and fingerprint image is sent to finger
Line identification module；
Step 3 S03, fingerprint identification module are extracted and the finger print information in fingerprint base to the feature of fingerprint image
Feature matched and recognized, the result of identification is sent to control module；
Step 4 S04, control module unlock the screen of mobile terminal according to result.
After the fingerprint extraction module draws out fingerprint image, correction is filtered to fingerprint image.
When the result of identification is that control module is not to mobile terminal when not having to exist the finger print information of matching in fingerprint base
Screen be unlocked and wait result next time.
Correction is filtered in the present invention specially under conditions of image detail feature is retained as far as possible to the noise of target image
Suppressed.
Touch display screen uses the capacitance plate of prior art in the present invention, because touch display screen has good printing opacity
Rate, therefore the imaging of camera module will not be impacted.
Although the present invention has shown and described with reference to specific embodiment, it should be appreciated by those skilled in the art that：
In the case where the spirit and scope of the present invention limited by claim and its equivalent are not departed from, can carry out herein form and
Various change in details.
Claims (9)
1. a kind of fingerprint identification device based on touch display screen, including the fingerprint recognition component on mobile terminal, it is special
Levy and be：The fingerprint recognition component is touch display screen (1), and the touch display screen (1) is through I2C buses and mobile terminal
Processor connection communication.
2. the fingerprint identification device based on touch display screen according to claim 1, it is characterised in that：It is described to touch display
Screen (1) is located at the front end of the camera module (2) of mobile terminal.
3. a kind of fingerprint recognition system based on touch display screen, it is characterised in that：The fingerprint recognition system is included located at movement
Finger print acquisition module in terminal, the finger print acquisition module is touch display screen, and touch display screen is taken the photograph located at mobile terminal
As head mould group front end；
Touch display screen, for gathering the different capacitance in each position produced by finger pressing touch display screen, and by electricity
Capacitance is converted to positional information and sends to fingerprint extraction module；
Fingerprint extraction module, obtains and draw after these positional informations fingerprint image and transmission is to fingerprint identification module；
Fingerprint identification module, for matched with the feature of the finger print information in fingerprint base after the feature of the image that takes the fingerprint with
And identification, the result of identification is sent to control module；
Control module, the result according to identification unlocks the screen of mobile terminal.
4. the fingerprint recognition system based on touch display screen according to claim 3, it is characterised in that：The fingerprint extraction
Module, is additionally operable to be filtered fingerprint image correction.
5. the fingerprint recognition system based on touch display screen according to claim 3 or 4, it is characterised in that：The fingerprint
Identifying system also includes fingerprint presetting module, and the new finger print information of mobile terminal is unlocked for typing.
6. the fingerprint recognition system based on touch display screen according to claim 5, it is characterised in that：The control mould
Block, is additionally operable to when the result of identification is that when not having to exist the finger print information of matching in fingerprint base, control module is not to mobile whole
The screen at end is unlocked and waits result next time.
7. a kind of fingerprint identification method based on touch display screen, it is characterised in that：The method comprises the following steps：
Step one S01, user's finger fingerprint face are covered in touch display screen, and touch display screen collection finger pressing touches display
Shield the different capacitance in each produced position, and these capacitances are converted into positional information and send to fingerprint extraction mould
Block；
Step 2 S02, fingerprint extraction module draw out fingerprint image according to positional information, and fingerprint image is sent to fingerprint knowledge
Other module；
Step 3 S03, fingerprint identification module the feature of fingerprint image is extracted and finger print information in fingerprint base spy
Levy and matched and recognized, the result of identification is sent to control module；
Step 4 S04, control module unlock the screen of mobile terminal according to result.
8. the fingerprint identification method based on touch display screen according to claim 7, it is characterised in that：The fingerprint extraction
After module draws out fingerprint image, correction is filtered to fingerprint image.
9. the fingerprint identification method based on touch display screen according to claim 7, it is characterised in that：When the result of identification
It is that control module is not unlocked and waits to the screen of mobile terminal when not having to exist the finger print information of matching in fingerprint base
Result next time.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611051917.XA CN106775061A (en) | 2016-11-25 | 2016-11-25 | A kind of fingerprint identification device and its system, method based on touch display screen |
| PCT/CN2017/105323 WO2018095148A1 (en) | 2016-11-25 | 2017-10-09 | Touch display screen-based fingerprint recognition device and system, system thereof and method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611051917.XA CN106775061A (en) | 2016-11-25 | 2016-11-25 | A kind of fingerprint identification device and its system, method based on touch display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106775061A true CN106775061A (en) | 2017-05-31 |
Family
ID=58912935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611051917.XA Pending CN106775061A (en) | 2016-11-25 | 2016-11-25 | A kind of fingerprint identification device and its system, method based on touch display screen |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106775061A (en) |
| WO (1) | WO2018095148A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018095148A1 (en) * | 2016-11-25 | 2018-05-31 | 捷开通讯(深圳)有限公司 | Touch display screen-based fingerprint recognition device and system, system thereof and method therefor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109757862A (en) * | 2019-01-24 | 2019-05-17 | 珠海市泰维思信息科技有限公司 | Intelligent integral inquests platform |
| CN110288750A (en) * | 2019-08-08 | 2019-09-27 | 广东科徕尼智能科技有限公司 | A kind of smart lock fingerprint identification device that service life can be improved |
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|---|---|---|---|---|
| US4346973A (en) * | 1980-01-31 | 1982-08-31 | Canon Kabushiki Kaisha | Focusing screen interchanging device in single lens reflex camera |
| CN104050405A (en) * | 2014-07-02 | 2014-09-17 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification detection assembly and electronic device thereof |
| CN204719772U (en) * | 2015-04-29 | 2015-10-21 | 广东光阵光电科技有限公司 | One is taken pictures shooting fingerprint recognition module |
| CN105303177A (en) * | 2015-10-21 | 2016-02-03 | 广东欧珀移动通信有限公司 | Camera capable of fingerprint identification and corresponding terminal |
| CN105574389A (en) * | 2015-06-29 | 2016-05-11 | 宇龙计算机通信科技(深圳)有限公司 | Fingerprint identification method and terminal |
| CN106650582A (en) * | 2016-09-27 | 2017-05-10 | 宇龙计算机通信科技(深圳)有限公司 | Fingerprint identification method, camera with fingerprint identification function and terminal |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106775061A (en) * | 2016-11-25 | 2017-05-31 | 捷开通讯(深圳)有限公司 | A kind of fingerprint identification device and its system, method based on touch display screen |
-
2016
- 2016-11-25 CN CN201611051917.XA patent/CN106775061A/en active Pending
-
2017
- 2017-10-09 WO PCT/CN2017/105323 patent/WO2018095148A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4346973A (en) * | 1980-01-31 | 1982-08-31 | Canon Kabushiki Kaisha | Focusing screen interchanging device in single lens reflex camera |
| CN104050405A (en) * | 2014-07-02 | 2014-09-17 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification detection assembly and electronic device thereof |
| CN204719772U (en) * | 2015-04-29 | 2015-10-21 | 广东光阵光电科技有限公司 | One is taken pictures shooting fingerprint recognition module |
| CN105574389A (en) * | 2015-06-29 | 2016-05-11 | 宇龙计算机通信科技(深圳)有限公司 | Fingerprint identification method and terminal |
| CN105303177A (en) * | 2015-10-21 | 2016-02-03 | 广东欧珀移动通信有限公司 | Camera capable of fingerprint identification and corresponding terminal |
| CN106650582A (en) * | 2016-09-27 | 2017-05-10 | 宇龙计算机通信科技(深圳)有限公司 | Fingerprint identification method, camera with fingerprint identification function and terminal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018095148A1 (en) * | 2016-11-25 | 2018-05-31 | 捷开通讯(深圳)有限公司 | Touch display screen-based fingerprint recognition device and system, system thereof and method therefor |
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| Publication number | Publication date |
|---|---|
| WO2018095148A1 (en) | 2018-05-31 |
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Application publication date: 20170531 |