CN107316021A - Unlocking method, device and mobile terminal based on fingerprint - Google Patents
Unlocking method, device and mobile terminal based on fingerprint Download PDFInfo
- Publication number
- CN107316021A CN107316021A CN201710500472.7A CN201710500472A CN107316021A CN 107316021 A CN107316021 A CN 107316021A CN 201710500472 A CN201710500472 A CN 201710500472A CN 107316021 A CN107316021 A CN 107316021A
- Authority
- CN
- China
- Prior art keywords
- fingerprint image
- fingerprint
- stereo
- plane
- unlocking method
- 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.)
- Pending
Links
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
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
-
- 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
- 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
- G06V40/1365—Matching; Classification
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Telephone Function (AREA)
Abstract
The present embodiments relate to electric terminal technical field, a kind of unlocking method based on fingerprint, device and mobile terminal are disclosed.In the present invention, the unlocking method based on fingerprint is applied to terminal device, including：At least two cameras are focused on, and fingerprint is taken pictures simultaneously, obtain plane fingerprint image；The obtained plane fingerprint image of being taken pictures at least two camera is synthesized, and generates stereo fingerprint image；The stereo fingerprint image of generation is matched with the stereo fingerprint image prestored, and when the match is successful, releases the lock-out state of terminal device.Compared with prior art, the present invention can accurately ensure to release the uniqueness requirement of the lock-out state of terminal device, and make the mode of operation of user relatively simple, and security is higher, can avoid user's property loss.
Description
Technical field
The present embodiments relate to electric terminal technical field, more particularly to the unlocking method based on fingerprint, device and
Mobile terminal.
Background technology
In recent years, with the communication technology continue to develop and the epoch continuous progress, mobile phone turn into the daily life of people
Essential communication tool in work, because mobile phone carries convenient, using simple, the life given people is brought greatly
It is convenient.And with becoming increasingly popular for Internet technology, people also increasingly pay attention to privacy, and scientific and technical personnel are to information in mobile phone
The research of safety is also increasing.In the prior art, it is unlocked mostly using password unblock or fingerprint, when unlocking successfully
Mobile phone could be operated.
But, inventor has found that at least there are the following problems in the prior art：The unblock of existing password and unlocked by fingerprint by
In possessing reproducibility, therefore there can be various potential safety hazards, it is easy to be cracked.
The content of the invention
The purpose of embodiment of the present invention is a kind of unlocking method based on fingerprint of offer, device and mobile terminal,
Allow to accurately ensure to release the uniqueness requirement of the lock-out state of terminal device, and make the mode of operation of user more
Simply, and security is higher, user's property loss can be avoided.
In order to solve the above technical problems, embodiments of the present invention provide a kind of unlocking method based on fingerprint, application
In terminal device, the unlocking method based on fingerprint includes：At least two cameras are focused on, and fingerprint is taken pictures simultaneously, are obtained
To plane fingerprint image；The obtained plane fingerprint image of being taken pictures at least two camera is synthesized, and generation is vertical
Body fingerprint image；The stereo fingerprint image of generation is matched with the stereo fingerprint image prestored, and the match is successful
When, release the lock-out state of terminal device.
Embodiments of the present invention additionally provide a kind of mobile terminal, including：Processor and at least two cameras；Institute
At least two cameras are stated, for focusing on, and fingerprint is taken pictures simultaneously, obtains plane fingerprint image；The processor, for holding
The above-mentioned unlocking method based on fingerprint of row.
Embodiments of the present invention additionally provide a kind of computer-readable recording medium, and be stored with computer program, described
The above-mentioned unlocking method based on fingerprint is realized when computer program is executed by processor.
Embodiments of the present invention additionally provide a kind of terminal/electronic equipment/server, including：At least one processor；
And, the memory being connected with least one described processor communication；Wherein, have can be by described at least one for the memory storage
The instruction of individual computing device, the instruction is by least one described computing device, so that at least one described processor energy
Enough perform the above-mentioned unlocking method based on fingerprint.
Embodiment of the present invention in terms of existing technologies, is focused on by least two cameras, and simultaneously to fingerprint
Take pictures, obtain plane fingerprint image, the obtained plane fingerprint image of being taken pictures at least two camera is synthesized,
Generate stereo fingerprint image, the stereo fingerprint image of generation is matched with the stereo fingerprint image prestored, and
During with success, the lock-out state of terminal device is released so that can be realized according to the stereo fingerprint image of user to terminal device
Unblock, it is thus possible to accurately ensure to release the uniqueness requirement of the lock-out state of terminal device, and make the operation of user
Mode is relatively simple, and security is higher, can avoid user's property loss.In addition, passing through the realization pair of stereo fingerprint image
The unblock of terminal device, can be avoided because existing password or plane fingerprint possess reproducibility and cause the presence of various safety
The problem of hidden danger.
In addition, the obtained plane fingerprint image of being taken pictures at least two cameras is synthesized, generation is three-dimensional
Fingerprint image, is specifically included：The face of the pixel in the obtained plane fingerprint image is scanned according at least two cameras
Color splices to the plane fingerprint image；According to the parameter of camera, the depth of field of the stereo fingerprint image is determined；According to
The depth of field calculates the depth of each pixel；According to the spliced plane fingerprint image and each pixel
The depth of point, synthesizes the stereo fingerprint image.Stereo fingerprint image is generated in this way so that directly can be taken the photograph to double
As the plane fingerprint image that head is shot is handled, stereo fingerprint image is built according to plane fingerprint image, so as to reduce
The cycle of stereo fingerprint image is generated, the efficiency of generation stereo fingerprint image is improved, and it is vertical to also contribute to later stage structure
The precision of body fingerprint image.
In addition, it is described when the stereo fingerprint image of generation is matched with the stereo fingerprint image prestored, specifically
Including：Extract the three-dimensional feature of the stereo fingerprint image；By the three-dimensional feature of extraction and the stereo fingerprint image prestored
Three-dimensional feature matched.Refer in this way there is provided a kind of stereo fingerprint image by generation and the solid that prestores
The specific implementation that print image is matched, helps to be further ensured that the realizability of the present invention, and according to three-dimensional special
Levy the stereo fingerprint image for making generation to be matched with the stereo fingerprint image prestored so that obtained matching result is more smart
Really.
In addition, the three-dimensional feature can be, but not limited to include following any one or any combination：Dimensional profile features,
Three-D grain feature, Three-Dimensional Gray feature.
In addition, being matched in the three-dimensional feature by extraction with the three-dimensional feature of the stereo fingerprint image prestored
When, calculate the similarity between the three-dimensional feature of the extraction and the three-dimensional feature of the stereo fingerprint image prestored；In meter
When the obtained similarity is more than or equal to preset value, judge that the match is successful；The similarity obtained in calculating is small
When preset value, judge that it fails to match.Refer in this way there is provided a kind of three-dimensional feature by extraction and the solid that prestores
The specific implementation that the three-dimensional feature of print image is matched, helps to be further ensured that the realizability of the present invention, and
In this way so that the matching result finally given is more accurate.
In addition, the face of the pixel in the plane fingerprint image obtained according to the scanning of at least two cameras
Before color splices to the plane fingerprint image, the unlocking method based on fingerprint, in addition to：Imaged at least two
The plane fingerprint image that head scanning is obtained is pre-processed respectively；Described in being obtained according to the scanning of at least two cameras
When the color of pixel in plane fingerprint image is spliced to the plane fingerprint image, the image that pretreatment is obtained is entered
Row splicing.After being pre-processed to plane fingerprint image, then the image that pretreatment is obtained will be spliced so that spell
Connect that obtained image is more accurate, be favorably improved the accuracy of fingerprint recognition.
In addition, when it fails to match for the stereo fingerprint image and the stereo fingerprint image that prestores of generation, to specifying
Equipment sends information warning, can avoid because terminal device loses the loss brought to user.
Brief description of the drawings
One or more embodiments are illustrative by the picture in corresponding accompanying drawing, these exemplary theorys
The element with same reference numbers label is expressed as similar element in the bright restriction not constituted to embodiment, accompanying drawing, removes
Composition is not limited the non-figure having in special statement, accompanying drawing.
Fig. 1 is the flow chart according to the unlocking method based on fingerprint in first embodiment of the invention；
Fig. 2 is the flow chart according to the unlocking method based on fingerprint in second embodiment of the invention；
Fig. 3 is the block diagram according to mobile terminal in third embodiment of the invention；
Fig. 4 is the block diagram according to terminal/electronic equipment/server in four embodiment of the invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Each embodiment be explained in detail.However, it will be understood by those skilled in the art that in each embodiment party of the invention
In formula, in order that reader more fully understands the application and proposes many ins and outs.But, even if without these ins and outs
With many variations based on following embodiment and modification, the application technical scheme claimed can also be realized.
The first embodiment of the present invention is related to a kind of unlocking method based on fingerprint, and being somebody's turn to do the unlocking method based on fingerprint should
For terminal device.It is noted that the executive agent of the unlocking method based on fingerprint is terminal device.Idiographic flow is as schemed
Shown in 1, the unlocking method based on fingerprint includes：
Step 101, at least two cameras are focused on, and fingerprint is taken pictures simultaneously, obtain plane fingerprint image.
In actual application, terminal device can have two cameras in the same side.Such as, terminal device is proactive
As head can be two cameras being disposed in parallel on terminal device.Present embodiment can be carried out according to exemplified by dual camera
Illustrate, but be not that at least two cameras are confined to dual camera, such as, three or four shootings are first-class, also at this
Within the protection domain of invention.Specifically, dual camera is focused on simultaneously in present embodiment, and fingerprint is taken pictures simultaneously, is obtained
To two plane fingerprint images.
Step 102, two plane fingerprint images are synthesized, generates stereo fingerprint image.
Step 103, judge whether stereo fingerprint image of the stereo fingerprint image of generation with prestoring matches.If it does,
Then enter step 104；Otherwise, into step 105.
Specifically, can be with when whether stereo fingerprint image of the stereo fingerprint image with prestoring for judging generation matches
According to the similarity of the stereo fingerprint image of generation and the stereo fingerprint image prestored, by the stereo fingerprint image of generation with prestoring
Stereo fingerprint image matched.
Step 104, the lock-out state of terminal device is released.
Step 105, the matching time that the stereo fingerprint image by the stereo fingerprint image of generation with prestoring is matched is judged
Whether number exceedes preset value.If it is, into step 106；Otherwise, return to step 103.
For example, in the case where subscriber terminal equipment is lost, the holder of terminal device is picked up or steals, may
Attempt to be unlocked terminal device.Now, it may occur that the stereo fingerprint image of generation and the stereo fingerprint image prestored
Unmatched situation, when unmatched number of times exceedes preset value, solid of the stereo fingerprint image that will be generated with prestoring refers to
When the matching times that print image is matched exceed preset value, into step 106.
Step 106, display reminding information.
Such as, for practical application, the prompt message of display can be, but not limited to for：" fingerprint matching fails multiple, today
You also have 3 input chances " or " fingerprint matching failure is multiple, please try again tomorrow " etc..
Furthermore, it is necessary to which explanation, before step 101 to the unblock operating procedure of step 106 is carried out, will can preset
Stereo fingerprint image be pre-stored in terminal device.Specifically, at least two cameras are focused on, and fingerprint is taken pictures simultaneously,
Plane fingerprint image is obtained, the plane fingerprint image obtained to taking pictures is synthesized, generate stereo fingerprint image, by the vertical of generation
Body fingerprint image is stored, as the stereo fingerprint image prestored, realizes that encrypting fingerprint is operated.
By the above, it is seen that, present embodiment can be realized to terminal according to the stereo fingerprint image of user
The unblock of equipment, it is thus possible to accurately ensure to release the uniqueness requirement of the lock-out state of terminal device, and makes user's
Mode of operation is relatively simple, and security is higher, can avoid user's property loss.
Second embodiment of the present invention is related to a kind of unlocking method based on fingerprint, and being somebody's turn to do the unlocking method based on fingerprint should
For terminal device.Second embodiment is the improvement done on the basis of first embodiment, relative to first embodiment
For, in this second embodiment, realize that the precision of unlocking terminal equipment is higher by fingerprint.
Idiographic flow is as shown in Fig. 2 the unlocking method based on fingerprint includes：
Step 201, at least two cameras are focused on, and fingerprint is taken pictures simultaneously, obtain plane fingerprint image.
In actual application, terminal device can have two cameras in the same side.Such as, terminal device is proactive
As head can be two cameras being disposed in parallel on terminal device.Present embodiment can be carried out according to exemplified by dual camera
Illustrate, but be not that at least two cameras are confined to dual camera, such as, three or four shootings are first-class, also at this
Within the protection domain of invention.Specifically, dual camera is focused on simultaneously in present embodiment, and fingerprint is taken pictures simultaneously, is obtained
To two plane fingerprint images.
Step 202, obtained plane fingerprint image of being taken pictures at least two cameras is pre-processed respectively.
Specifically, plane fingerprint image is pre-processed, can be, but not limited to specifically include：Positioning, normalization (contracting
Put), brightness, contrast and smoothness etc. reason process.Such as, to plane fingerprint image carry out pretreatment can specifically include with
Lower process：
1st, fingerprint location：The position of the line peak and line paddy of fingerprint in each plane fingerprint image is determined respectively.It is worth one
It is mentioned that, position of other characteristic points of fingerprint in each plane fingerprint image can also be determined.Specifically, characteristic point can
With but be not limited to include：Breakpoint, bifurcation or turnover etc..
2nd, fingerprint image is normalized：By the fingerprint size in plane fingerprint image, the fixation of identifying system setting is adjusted to
Size.
3rd, image enhaucament：For the image after normalization, brightness, contrast and smoothness etc. reason are carried out, image is improved
The discrimination of middle finger print information.
Step 203, two cameras scan the pixel for each pre-processing obtained plane fingerprint image respectively.
After being pre-processed to plane fingerprint image, then the image that pretreatment is obtained will be spliced so that
Splice obtained image more accurate, be favorably improved the accuracy of fingerprint recognition.
Step 204, the color of the pixel in each plane fingerprint image is spliced to plane fingerprint image.
Step 205, according to the parameter of camera, the depth of field of stereo fingerprint image is determined.
It is noted that the depth of field of present embodiment refers to that camera forward position can obtain the imaging of picture rich in detail and be surveyed
Fixed subject longitudinal separation scope.After the completion of focusing, it can be formed in the scope before and after focus clearly as this
Distance after previous, is just called the depth of field.
Step 206, the depth of each pixel is calculated according to the depth of field.
Step 207, according to the depth of spliced plane fingerprint image and each pixel, compound stereoscopic fingerprint image.
Stereo fingerprint image is generated in this way so that the plane fingerprint image that directly can be shot to dual camera
Handled, stereo fingerprint image is built according to plane fingerprint image, so as to reduce the cycle of generation stereo fingerprint image,
The efficiency of generation stereo fingerprint image is improved, and also contributes to the precision of later stage structure stereo fingerprint image.
Step 208, the three-dimensional feature of stereo fingerprint image is extracted.
Wherein, three-dimensional feature can be, but not limited to include following any one or any combination：Dimensional profile features, three-dimensional
Textural characteristics, Three-Dimensional Gray feature.
Step 209, judge whether the three-dimensional feature extracted matches with the three-dimensional feature of the stereo fingerprint image prestored.If
Matching, then into step 210；Otherwise, into step 211.
Specifically, in actual application, the three-dimensional feature of extraction can be calculated and the stereo fingerprint image that prestores
Similarity between three-dimensional feature.Judge to calculate whether obtained similarity is more than or equal to preset value.If calculating is obtained
Similarity be more than or equal to preset value, then judge the three-dimensional feature extracted and the three-dimensional feature of stereo fingerprint image prestored
The match is successful, into step 210；Otherwise, it is determined that it fails to match, into step 211.In this way will there is provided one kind
The specific implementation that the three-dimensional feature of extraction is matched with the three-dimensional feature of the stereo fingerprint image prestored, contributes into one
Step ensures the realizability of the present invention, and in this way so that the matching result finally given is more accurate.
Step 210, the lock-out state of terminal device is released.
There is provided a kind of stereo fingerprint image by generation and the stereo fingerprint image prestored progress in this way
The specific implementation matched somebody with somebody, helps to be further ensured that the realizability of the present invention, and make the vertical of generation according to three-dimensional feature
Body fingerprint image is matched with the stereo fingerprint image prestored so that obtained matching result is more accurate.
Step 211, information warning is sent to designated equipment.
For example, in the case where subscriber terminal equipment is lost, the holder of terminal device is picked up or steals, may
Attempt to be unlocked terminal device.Now, it may occur that the stereo fingerprint image of generation and the stereo fingerprint image prestored
Unmatched situation.When the stereo fingerprint image and the stereo fingerprint image that prestores of generation are mismatched, sent to designated equipment
Information warning, can be avoided because terminal device loses the loss brought to user.Such as, for practical application, information warning
Can be, but not limited to for：" attempting to unlock your terminal device " or " your terminal device may have been lost " etc..
Furthermore, it is necessary to which explanation, before step 201 to the unblock operating procedure of step 211 is carried out, will can preset
Stereo fingerprint image be pre-stored in terminal device.Specifically, at least two cameras are focused on, and fingerprint is taken pictures simultaneously,
Plane fingerprint image is obtained, the plane fingerprint image obtained to taking pictures is synthesized, generate stereo fingerprint image, by the vertical of generation
Body fingerprint image is stored, as the stereo fingerprint image prestored, realizes that encrypting fingerprint is operated.
By the above, it is seen that, present embodiment can be realized to terminal according to the stereo fingerprint image of user
The unblock of equipment, it is thus possible to accurately ensure to release the uniqueness requirement of the lock-out state of terminal device, and makes user's
Mode of operation is relatively simple, and security is higher, can avoid user's property loss.
The step of various methods are divided above, be intended merely to description it is clear, can be merged into when realizing a step or
Some steps are split, multiple steps are decomposed into, as long as including identical logical relation, all protection domain in this patent
It is interior；To adding inessential modification in algorithm or in flow or introducing inessential design, but its algorithm is not changed
Core design with flow is all in the protection domain of the patent.
Third embodiment of the invention is related to a kind of mobile terminal, as shown in figure 3, including：Processor 31 and at least two
Individual camera 32.At least two camera 32, for focusing on, and takes pictures to fingerprint, obtains plane fingerprint image simultaneously.Institute
Processor 31 is stated, for performing the unblock side based on fingerprint as described in any in first embodiment or second embodiment
Method.It is noted that being only to be illustrated by taking two cameras 32 as an example in Fig. 3, but it is not by of camera 32
Number is limited to two.
It is seen that, present embodiment is the apparatus embodiments corresponding with first or second embodiment, this embodiment party
Formula can work in coordination implementation with first or second embodiment.First or second embodiment in the relevant technical details mentioned exist
In present embodiment still effectively, in order to reduce repetition, repeat no more here.Correspondingly, the correlation mentioned in present embodiment
Ins and outs are also applicable in first or second embodiment.
By the above, it is seen that, present embodiment can be realized to terminal according to the stereo fingerprint image of user
The unblock of equipment, it is thus possible to accurately ensure to release the uniqueness requirement of the lock-out state of terminal device, and makes user's
Mode of operation is relatively simple, and security is higher, can avoid user's property loss.
Four embodiment of the invention is related to a kind of computer-readable recording medium, and be stored with computer program, the meter
Calculation machine program realizes the unblock side based on fingerprint described in first embodiment or second embodiment when being executed by processor
Method.
Due to first or second embodiment it is mutually corresponding with present embodiment, therefore present embodiment can be with first or
Two embodiments are worked in coordination implementation.First or second embodiment in the relevant technical details mentioned in the present embodiment according to
So effectively, the technique effect that can be reached in first or second embodiment can similarly be realized in the present embodiment,
In order to reduce repetition, repeat no more here.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in first
Or in second embodiment.
By the above, it is seen that, present embodiment can be realized to terminal according to the stereo fingerprint image of user
The unblock of equipment, it is thus possible to accurately ensure to release the uniqueness requirement of the lock-out state of terminal device, and makes user's
Mode of operation is relatively simple, and security is higher, can avoid user's property loss.
Fifth embodiment of the invention is related to a kind of terminal/electronic equipment/server.As shown in figure 4, terminal/electronics is set
Standby/server includes at least one processor 41；And, the memory 42 communicated to connect with least one described processor 41；
Wherein, the memory 42 is stored with the instruction that can be performed by least one described processor 41, the instruction by it is described at least
One processor 41 is performed, so that at least one described processor 41 is able to carry out the base as described in first or second embodiment
In the unlocking method of fingerprint.
Wherein, memory 42 and processor 41 are connected using bus mode, and bus can include any number of interconnection
Bus and bridge, bus link together the various circuits of one or more processors 41 and memory 42.Bus can also be by
Various other circuits of such as ancillary equipment, voltage-stablizer and management circuit or the like are linked together, and these are all abilities
Well known to domain, therefore, no longer it is described further herein.EBI is provided between bus and transceiver and connect
Mouthful.Transceiver can be an element or multiple element, such as there is provided for passing for multiple receivers and transmitter
The unit communicated on defeated medium with various other devices.The data handled through processor 41 are carried out on the radio medium by antenna
Transmission, further, antenna also receives data and transfers data to processor 41.
Processor 41 is responsible for bus and common processing, can also provide various functions, including timing, periphery connects
Mouthful, voltage-regulation, power management and other control functions.And memory 42 can be used for storage processor 41 and perform behaviour
Used data when making.
By the above, it is seen that, present embodiment can be realized to terminal according to the stereo fingerprint image of user
The unblock of equipment, it is thus possible to accurately ensure to release the uniqueness requirement of the lock-out state of terminal device, and makes user's
Mode of operation is relatively simple, and security is higher, can avoid user's property loss.
It will be appreciated by those skilled in the art that realizing that all or part of step in above-described embodiment method can be by
Program instructs the hardware of correlation to complete, and the program storage is in a storage medium, including some instructions are to cause one
Individual equipment (can be single-chip microcomputer, chip etc.) or processor 41 (processor) perform each embodiment methods described of the application
All or part of step.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage 42 (ROM, Read-Only
Memory), random access memory 42 (RAM, Random Access Memory), magnetic disc or CD etc. are various to store
The medium of program code.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention,
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of unlocking method based on fingerprint, it is characterised in that applied to terminal device, the unlocking method based on fingerprint
Including：
At least two cameras are focused on, and fingerprint is taken pictures simultaneously, obtain plane fingerprint image；
The obtained plane fingerprint image of being taken pictures at least two camera is synthesized, and generates stereo fingerprint image；
The stereo fingerprint image of generation is matched with the stereo fingerprint image prestored, and when the match is successful, released
The lock-out state of terminal device.
2. the unlocking method according to claim 1 based on fingerprint, it is characterised in that described that at least two cameras are clapped
Synthesized according to the obtained plane fingerprint image, generate stereo fingerprint image, specifically include：
The plane is referred to according to the color that at least two cameras scan the pixel in the obtained plane fingerprint image
Print image is spliced；
According to the parameter of camera, the depth of field of the stereo fingerprint image is determined；
The depth of each pixel is calculated according to the depth of field；
According to the depth of spliced the plane fingerprint image and each pixel, the stereo fingerprint figure is synthesized
Picture.
3. the unlocking method according to claim 2 based on fingerprint, it is characterised in that described to refer to the solid of generation
When print image is matched with the stereo fingerprint image prestored, specifically include：
Extract the three-dimensional feature of the stereo fingerprint image；
The three-dimensional feature of extraction is matched with the three-dimensional feature of the stereo fingerprint image prestored.
4. the unlocking method according to claim 3 based on fingerprint, it is characterised in that the three-dimensional feature includes following
Meaning is a kind of or is combined：
Dimensional profile features, three-D grain feature, Three-Dimensional Gray feature.
5. the unlocking method according to claim 3 based on fingerprint, it is characterised in that in the three-dimensional by extraction
When feature is matched with the three-dimensional feature of the stereo fingerprint image prestored, the three-dimensional feature of the extraction is calculated with prestoring
Stereo fingerprint image three-dimensional feature between similarity；
When calculating the obtained similarity more than or equal to preset value, judge that the match is successful；Described in being obtained in calculating
When similarity is less than preset value, judge that it fails to match.
6. the unlocking method according to claim 2 based on fingerprint, it is characterised in that described according at least two shootings
Before the color of pixel in the plane fingerprint image that head scanning is obtained is spliced to the plane fingerprint image, institute
The unlocking method based on fingerprint is stated, in addition to：
The obtained plane fingerprint image is scanned at least two cameras to pre-process respectively；
The color of pixel in the obtained plane fingerprint image is scanned according at least two cameras is to the plane
When fingerprint image is spliced, the image that pretreatment is obtained is spliced.
7. the unlocking method as claimed in any of claims 1 to 6 based on fingerprint, it is characterised in that in generation
The stereo fingerprint image and the stereo fingerprint image that prestores send information warning when it fails to match to designated equipment.
8. a kind of mobile terminal, it is characterised in that including：Processor and at least two cameras；
At least two camera, for focusing on, and takes pictures to fingerprint, obtains plane fingerprint image simultaneously；
The processor, for performing the unlocking method based on fingerprint as described in claim 1-7 is any.
9. a kind of computer-readable recording medium, be stored with computer program, it is characterised in that the computer program is processed
Device realizes the unlocking method based on fingerprint any one of claim 1 to 7 when performing.
10. a kind of terminal/electronic equipment/server, it is characterised in that including：
At least one processor；And,
The memory being connected with least one described processor communication；Wherein,
The memory storage has can be by the instruction of at least one computing device, and the instruction is by described at least one
Manage device to perform, so that at least one described processor is able to carry out the unblock based on fingerprint as described in claim 1-7 is any
Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500472.7A CN107316021A (en) | 2017-06-27 | 2017-06-27 | Unlocking method, device and mobile terminal based on fingerprint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500472.7A CN107316021A (en) | 2017-06-27 | 2017-06-27 | Unlocking method, device and mobile terminal based on fingerprint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107316021A true CN107316021A (en) | 2017-11-03 |
Family
ID=60180158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710500472.7A Pending CN107316021A (en) | 2017-06-27 | 2017-06-27 | Unlocking method, device and mobile terminal based on fingerprint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107316021A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108897999A (en) * | 2018-05-17 | 2018-11-27 | 东莞市华睿电子科技有限公司 | A kind of terminal screen unlocking method based on voice authentication |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10229980A (en) * | 1997-02-20 | 1998-09-02 | Toshiba Corp | Intelligent key device |
| CN104361315A (en) * | 2014-10-27 | 2015-02-18 | 浙江工业大学 | 3D (three-dimensional) fingerprint recognition device based on monocular and multi-view stereoscopic machine vision |
| KR20160083032A (en) * | 2013-11-04 | 2016-07-11 | 퀄컴 인코포레이티드 | User authentication biometrics in mobile devices |
| CN105787453A (en) * | 2016-02-29 | 2016-07-20 | 宇龙计算机通信科技(深圳)有限公司 | User terminal and fingerprint identification method |
| CN106203290A (en) * | 2016-06-28 | 2016-12-07 | 广东欧珀移动通信有限公司 | A kind of fingerprint image acquisition method and terminal |
-
2017
- 2017-06-27 CN CN201710500472.7A patent/CN107316021A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10229980A (en) * | 1997-02-20 | 1998-09-02 | Toshiba Corp | Intelligent key device |
| KR20160083032A (en) * | 2013-11-04 | 2016-07-11 | 퀄컴 인코포레이티드 | User authentication biometrics in mobile devices |
| CN104361315A (en) * | 2014-10-27 | 2015-02-18 | 浙江工业大学 | 3D (three-dimensional) fingerprint recognition device based on monocular and multi-view stereoscopic machine vision |
| CN105787453A (en) * | 2016-02-29 | 2016-07-20 | 宇龙计算机通信科技(深圳)有限公司 | User terminal and fingerprint identification method |
| CN106203290A (en) * | 2016-06-28 | 2016-12-07 | 广东欧珀移动通信有限公司 | A kind of fingerprint image acquisition method and terminal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108897999A (en) * | 2018-05-17 | 2018-11-27 | 东莞市华睿电子科技有限公司 | A kind of terminal screen unlocking method based on voice authentication |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107194231A (en) | Unlocking method, device and mobile terminal based on iris | |
| CN102197412B (en) | Spoofing detection system, spoofing detection method and spoofing detection program | |
| CN111160178B (en) | Image processing method and device, processor, electronic equipment and storage medium | |
| CN109146679A (en) | Intelligent contract call method and device, electronic equipment based on block chain | |
| CN107480601B (en) | Detection method and related product | |
| US8260060B2 (en) | Comparison method, comparison system, computer, and program | |
| CN110321792A (en) | Without card enchashment method, apparatus, equipment and computer readable storage medium | |
| CN106506496A (en) | A kind of methods, devices and systems that withdraws the money without card | |
| CN111095246A (en) | Method and electronic device for authenticating user | |
| CN111585987B (en) | Identity authentication method and device, electronic equipment and computer readable storage medium | |
| CN108711054A (en) | Image processing method, device, computer readable storage medium and electronic equipment | |
| CN104734852A (en) | Identity authentication method and device | |
| CN107657245A (en) | A kind of face identification method and terminal device | |
| CN104915581B (en) | Augmented reality unlocking system and method | |
| US8270681B2 (en) | Vein pattern management system, vein pattern registration apparatus, vein pattern authentication apparatus, vein pattern registration method, vein pattern authentication method, program, and vein data configuration | |
| CN108712400A (en) | Data transmission method, device, computer readable storage medium and electronic equipment | |
| KR20170052126A (en) | Method for Non-faced Multi-authenticating for Creating Financial Information | |
| CN110651268B (en) | Method for authenticating user and electronic equipment | |
| CN107316021A (en) | Unlocking method, device and mobile terminal based on fingerprint | |
| KR101674891B1 (en) | Method and system for enhancing security of ATM by using face recognition | |
| JP7112320B2 (en) | Verification device and verification method | |
| CN113033243A (en) | Face recognition method, device and equipment | |
| CN109191522A (en) | A kind of robot displacement correcting method and system based on three-dimensional modeling | |
| CN112150140B (en) | Resource allocation method, device and system | |
| CN114743277A (en) | Living body detection method, living body detection device, electronic apparatus, storage medium, and program product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171103 |