CN110298944A - Vein unlocking method and vein tripper - Google Patents
Vein unlocking method and vein tripper Download PDFInfo
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- CN110298944A CN110298944A CN201910512770.7A CN201910512770A CN110298944A CN 110298944 A CN110298944 A CN 110298944A CN 201910512770 A CN201910512770 A CN 201910512770A CN 110298944 A CN110298944 A CN 110298944A
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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
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
- G07C9/00912—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses for safes, strong-rooms, vaults or the like
-
- 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
- G06V40/14—Vascular patterns
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Collating Specific Patterns (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The embodiment of the invention provides a kind of vein unlocking method and vein trippers, comprising: receives the unlocking request of user；In response to the unlocking request, described N vein images of wearable device acquisition are notified；The N from the wearable device vein images are received, generate first object vein image according to the N vein images；Extract the first area feature and first partial feature of the first object vein image；It is whether legal according to the first area feature and first partial feature detection user identity；If user identity is legal, unlock operation is executed；It can be improved safety in utilization by the vein unlocking method, strong flexibility, applicable situation is more.
Description
Technical field
The present invention relates to living things feature recognition fields, and in particular to a kind of vein unlocking method and vein tripper.
Background technique
Existing unlocking method is typically based on physical locks, coded lock and Fingerprint Lock, however physical locks are easily lost and are stolen,
The safety of coded lock is not also high, and for fingerprint due to having the characteristics that uniqueness, stability, ease for use, application is increasingly extensive, still
Fingerprint is easy to forge, this causes the safety of Fingerprint Lock also not high, in the higher situation of security requirement, the above unlock side
Method cannot be met the requirements.
Summary of the invention
The embodiment of the invention provides a kind of vein unlocking method and vein trippers, by first object vein figure
The provincial characteristics and local feature of picture carry out aspect ratio pair, obtain comparison result, and determine whether to unlock based on comparison result, have
Effect improves safety and unlock efficiency.
First aspect of the embodiment of the present invention provides a kind of vein unlocking method, is applied to electronic equipment, and the electronics is set
It is standby to be communicated to connect with wearable device, which comprises
Receive the unlocking request of user:
In response to the unlocking request, described N vein images of wearable device acquisition are notified, N is just whole greater than 2
Number；
The N from the wearable device vein images are received, generate first according to the N vein images
Targeted vein image；
Extract the first area feature and first partial feature of the first object vein image, the first area feature
For the integrally-built feature of vein, the first partial feature is the feature of vein part；
It is whether legal according to the first area feature and first partial feature detection user identity；
If user identity is legal, unlock operation is executed.
As can be seen that going forward side by side comparisons by extracting feature to vein image, determine whether to operate for user, into
And unlock, safety in utilization is improved, and applicable situation is more, strong flexibility.
Second aspect of the embodiment of the present invention provides a kind of vein tripper, and the vein tripper includes:
Communication unit, for after the unlocking request for receiving user, notifying described N veins of wearable device acquisition
Image, and receive the N from the wearable device vein images；
Processing unit, for generating first object vein image, and extraction described first according to the N vein images
The first area feature and first partial feature of targeted vein image, and according to the first area feature and the first game
Portion's feature detect user identity it is whether legal, and if user identity it is legal, execute unlock operation.
As can be seen that going forward side by side comparisons by extracting feature to vein image, determine whether to operate for user, into
And unlock, safety in utilization is improved, and applicable situation is more, strong flexibility.
The third aspect of the embodiment of the present invention provides a kind of electronic equipment, including processor, memory, communication interface, with
And one or more programs, one or more of programs are stored in the memory, and are configured by the processing
Device executes, and described program is included the steps that for executing such as the instruction in the described in any item methods of first aspect.
Fourth aspect of the embodiment of the present invention provides a kind of computer readable storage medium, and storage is handed over for electronic data
The computer program changed, wherein the computer program makes computer execute such as the described in any item methods of first aspect.
The 5th aspect of the embodiment of the present invention provides a kind of computer program product, and the computer program product includes depositing
The non-transient computer readable storage medium of computer program is stored up, the computer is operable to make computer to execute such as the
On the one hand described in any item part or all of steps.
As can be seen that after electronic equipment receives the unlocking request of user, being asked in response to the unlock in the embodiment of the present application
It asks, notifies described N vein images of wearable device acquisition；Receive the N from the wearable device veins
Image generates first object vein image according to the N vein images；Extract the firstth area of the first object vein image
Characteristic of field and first partial feature；Whether closed according to the first area feature and first partial feature detection user identity
Method；If user identity is legal, unlock operation is executed.As it can be seen that gone forward side by side comparison by extracting feature to vein image, so that it is determined that
Whether it is user's operation, and then unlocks, improves safety in utilization, and applicable situation is more, strong flexibility.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow diagram of vein unlocking method provided by the embodiments of the present application；
Fig. 2 is a kind of interaction schematic diagram of vein unlock provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of a kind of electronic equipment provided by the invention；
Fig. 4 is a kind of structural schematic diagram of vein tripper provided in an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention are explicitly described, it is clear that described embodiment is the present invention one
The embodiment divided, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, should fall within the scope of the present invention.
The term " first " that occurs in description of the invention, claims and attached drawing, " second " and " third " etc. are to use
In the different object of difference, and it is not intended to describe specific sequence.In addition, term " includes " and " having " and they are any
Deformation, it is intended that cover and non-exclusive include.Such as contain the process, method, system, product of a series of steps or units
Or equipment is not limited to listed step or unit, but optionally further comprising the step of not listing or unit, or can
Selection of land further includes the other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Referring initially to Fig. 1, Fig. 1 is a kind of flow diagram of vein unlocking method provided by the embodiments of the present application, institute
Vein unlocking method is stated to communicate to connect applied to electronic equipment, the electronic equipment and wearable device, which comprises
101, electronic equipment receives the unlocking request of user.
Wherein, electronic equipment can be mobile phone, plate, laptop, palm PC or other electricity that can be used for communicating
Sub- equipment, when user is close to unlock target, user directly can issue specific unlocking request to electronic equipment, alternatively, when can
Wearable device and unlock the distance between target are in preset unlock range, and when unlocking target as locked state, electronics
Equipment is asked the user whether to execute unlock to unlock target with speech form, if receiving the reply that user determines unlock, that is, be connect
User is received for the unlocking request of unlock target.
102, the electronic equipment notifies described N vein figures of wearable device acquisition in response to the unlocking request
Picture, N are the positive integer greater than 2.
Wherein, wearable device is equipped with infrared micro- camera, capable of emitting Infrared irradiation target area, the infrared light
Wavelength is 850nm, after the hemoglobin absorption infrared light in blood, highlights vasculature part more, so as to carry out to vein
Image Acquisition, intravenous regional collected may include wrist vein, hand back vein and finger vena, by taking wrist vein as an example,
As in 3s in preset time, wearable device issues infrared light, and user moves wearable set from bottom to top since wrist
Standby a distance, wearable device acquires N vein images in moving process, by taking finger vena as an example, wearable
After equipment issues infrared light, user can be by wearable device Rotary finger ring around certain angle or from finger tip to one section of movement of finger root
Distance (concrete mode presets according to user and operates), in the process, wearable device acquire N continuous
Vein image.
103, the electronic equipment receives the N from the wearable device vein images, according to the N
Vein image generates first object vein image.
Wherein, wearable device sets vein image transmission electron after N continuous vein images of acquisition
Standby, electronic equipment carries out fusion treatment to N vein images, and the complete vein image i.e. first object for obtaining intravenous regional is quiet
Arteries and veins image.
104, the electronic equipment extracts the first area feature and first partial feature of the first object vein image,
The first area feature is the integrally-built feature of vein, and the first partial feature is the feature of vein part.
Wherein, provincial characteristics describes the global shape, texture and color of vein, and provincial characteristics is the integrally-built spy of vein
Sign, local feature are the feature of vein part, and feature extracting method can be selected from following method: LBP, ORB,
surf、Sift、Harris。
105, the electronic equipment is according to the first area feature and first partial feature detection user identity
It is no legal.
Wherein, the complete clearly vein image of preparatory typing user in electronic equipment, and extracted according to the vein image
Obtain provincial characteristics template and local feature templates, local feature template includes intersection feature template, endpoint feature template and
Curvature feature template.
If 106, user identity is legal, the electronic equipment executes unlock operation.
Wherein, unlock target can have multiple, such as: the diversified forms such as car door lock, door lock or Safe lock, unlock
It is associated between target and electronic equipment, the two carries out information friendship by the short distance communications such as bluetooth/ZigBee/wifi/UWB mode
Mutually, when electronic equipment execute unlock operation when, electronic equipment generate unlock instruction, and by the unlock instruction by bluetooth/
The communication modes such as ZigBee/wifi//UWB are sent to unlock target, unlock after unlocking intended recipient unlock instruction, and unlocking
After success, is sent to electronic equipment and unlock successful information.
As can be seen that after electronic equipment receives the unlocking request of user, being asked in response to the unlock in the embodiment of the present application
It asks, notifies described N vein images of wearable device acquisition；Receive the N from the wearable device veins
Image generates first object vein image according to the N vein images；Extract the firstth area of the first object vein image
Characteristic of field and first partial feature；Whether closed according to the first area feature and first partial feature detection user identity
Method；If user identity is legal, unlock operation is executed.As it can be seen that gone forward side by side comparison by extracting feature to vein image, so that it is determined that
Whether it is user's operation, and then unlocks, improves safety in utilization, and applicable situation is more, strong flexibility.
In a possible example, the first partial feature includes fisrt feature, second feature and third feature, institute
Whether state legal according to the first area feature and first partial feature detection user identity includes: the electronic equipment
The first area feature is subjected to aspect ratio pair with the provincial characteristics template prestored, obtains the first similarity；By described first
Feature carries out aspect ratio pair with the fisrt feature template that prestores, obtains the second similarity, by the second feature with prestore the
Two feature templates carry out aspect ratio pair, obtain third similarity, and the third feature is carried out with the third feature template prestored
Aspect ratio pair obtains the 4th similarity, wherein the fisrt feature refers to that the feature of vein crossings point, the second feature refer to quiet
The feature of arteries and veins endpoint, the third feature refer to the feature of vein curvature；According to first similarity, second similarity,
The third similarity and the 4th similarity calculation overall similarity；The overall similarity is compared with preset threshold
Compared with obtaining comparison result, judge whether the user identity is legal according to the comparison result.
Wherein, fisrt feature template is intersection feature template, and second feature template is endpoint feature template, third feature
Template is curvature feature template.Different local features has different labels, is carried out based on the corresponding local feature of tag extraction
It compares, obtains the similarity of each local feature, assign one respectively to them according to the importance of provincial characteristics and each local feature
Determine weight, obtains overall similarity further according to similarity calculation, such as to provincial characteristics, vein crossings point feature, vein endpoint
Feature and vein curvature feature assign weight: the 20%, 30%, 30%, 20%, and first similarity respectively, the second similarity, and
Three similarities and the 4th similarity are respectively a, b, c, d, then overall similarity T are as follows: T=20%*a+30%*b+30%*c+
20% * d, then compares overall similarity T and preset threshold S, if T>S, for matching, user identity is legal, if T<S, for
It mismatches, user identity is illegal.
As can be seen that assign provincial characteristics the weight different with each local feature, and different weights embodies feature
Importance degree difference, thus calculate overall similarity according to its weight and similarity, can more accurately state quiet
The similarity of arteries and veins image.
It is described that the fisrt feature is subjected to aspect ratio with the fisrt feature template prestored in a possible example
It is right, the second similarity is obtained, the second feature is subjected to aspect ratio pair with the second feature template prestored, it is similar to obtain third
The third feature is carried out aspect ratio pair with the third feature template prestored by degree, and obtaining the 4th similarity includes: the electronics
Equipment assigns label to fisrt feature point, second feature point and third feature point respectively, wherein the fisrt feature point corresponds to institute
Fisrt feature is stated, the second feature point corresponds to the second feature, and the third feature point corresponds to the third feature；It is described
Electronic equipment carries out circular image interception to the first object vein image according to P isometrical not concentrics, obtains P circle
Shape venosomes image, the P are the integer greater than 3；The electronic equipment analyzes the P circle according to the label respectively
The point of fisrt feature described in venosomes image, the distribution of the second feature point and third feature point；The electronics is set
It is standby to select Q first object circular vein area image Q respectively from the P circular vein area imagea1, Qa2,, Qaq, Q
A second target circle venosomes image Qb1, Qb2,, QbqWith Q third target circle venosomes image Qc1, Qc2,,
Qcq, Q is the integer less than P；The electronic equipment is by the Q first object circular vein area image, and the Q second
Each image is divided into M ring in target circle venosomes image and the Q third target circle venosomes image
The identical annulus of width；The electronic equipment is according to Qa1, Qa2,, Qaq, Qb1, Qb2,, Qbq, Qc1, Qc2,, QcqSequence successively select
Take image, since the M annulus of selected image the smallest annulus of radius, by the M annulus successively with prestore
Fisrt feature template, second feature template, third feature template carries out Feature Points Matching, obtains the matching of selected image
Value；It is similar that the electronic equipment according to Q matching value of the Q first object circular vein area image obtains described second
Degree obtains the third similarity according to Q matching value of the Q the second target circle venosomes images, according to the Q
Q matching value of a third target circle venosomes image obtains the 4th similarity.
Wherein, the label assigned to fisrt feature point, second feature point and third feature point is respectively " vein crossings point ",
" vein endpoint " and " vein curvature " chooses the spy that label is " vein crossings point " after obtaining P circular vein area image
Point is levied, their distribution situations in P circular vein area image are analyzed, chooses Q most first object of distributed quantity
Circular vein area image and respectively marked as Qa1, Qa2,, Qaq, according to reference letter sequence, from Qa1Start, by Qa1It divides
For the identical annulus of M ring width, M is the integer greater than 2, from Qa1The smallest annulus of radius starts in middle M annulus, by M circle
Ring and the fisrt feature template prestored i.e. vein crossings point feature template carry out Feature Points Matching, obtain Qa1Matching value w1,
First object circular vein area image Q is indicated with value w1a1Vein crossings point feature and the vein crossings point feature mould that prestores
The similarity of plate similarly obtains matching value w2, w3,, wq, to w1, w2,, it is similar that wq takes mean value or root-mean-square value to obtain second
Then degree carries out aforesaid operations to the characteristic point that label is " vein endpoint " and " vein curvature " respectively, obtains third similarity
With the 4th similarity.
As can be seen that obtaining P circular vein administrative division map by carrying out circular image interception to first object vein image
Picture, so that first object vein image compartmentalization can be clearly showed that each circle by P circular vein area image
Fisrt feature point in venosomes image, the distribution situation of second feature point and third feature point, so as to round from this P
Select fisrt feature point in venosomes image respectively, second feature point and most Q the first mesh of third feature point quantity
Circular vein area image, Q the second target circle venosomes images and Q third target circle venosomes image are marked,
Aspect ratio narrows down in Q circular vein area image range from entire first object vein image, substantially reduces weight
Renaturation manipulation improves work efficiency, and takes mean value to obtain by the Q matching value to Q circular vein area image corresponding
Similarity, superposition obtains overall similarity after then distributing the similarity of each feature different weights, improves every kind of feature
Aspect ratio in each circular vein area image improves the feature of entire first object vein image to accuracy
Compare accuracy.
In a possible example, the N of the reception from the wearable device vein images, according to
It includes: that the electronic equipment is received from the wearable device that the N vein images, which generate first object vein image,
The N vein images；The electronic equipment carries out fusion treatment to the N vein images, obtains the first object
Vein image；Wherein, the N vein images are moved to the second default position from the first predeterminated position for the wearable device
Acquired image during setting.
Wherein, blending algorithm includes any one in following: Bayes' assessment, neural network, fuzzy clustering algorithm,
D-S evidential reasoning method, voting method.Wherein, neural network can solve data category prior information in fusion process and be difficult to obtain
And caused by difficulty, in Decision-level fusion algorithm, neural network serves not only as classifier and makes decisions judgement to information, and also
As fusion center, further joint decision analysis is carried out to initial decision.
Wherein, since vein image is infrared image, and the generally existing target of infrared image and background area comparison be not strong
It is strong, edge blurry, the disadvantages of noise is big, thus electronic equipment needs first after receiving N vein images to N vein images
It is merged again after being filtered the pretreatment such as noise reduction, to reduce the noise and clutter in vein image, improves figure medium sized vein blood
The contrast of tube portion and background area, pretreatment include that size normalizes, gray processing, filtering and smoothing processing, size normalizing
Change so that different moments vein image medium sized vein blood vessel collected it is in the same size, can be used median filtering or high pass filter or
Other methods are filtered image, and gray processing can reduce difference of the vein image in intensity profile, and smoothing processing can
Remove the rough parts such as the burr in vein image.
Wherein, the first predeterminated position and the second predeterminated position are users in typing vein image, and wearable device exists
The original position moved on corresponding intravenous regional and rearmost position.
As can be seen that by carrying out fusion treatments to the N received vein images, available intravenous regional it is clear
Complete vein image, that is, first object vein image.
In a possible example, before the unlocking request for receiving user, the method also includes: the electricity
Sub- equipment obtains the position of the wearable device；The electronic equipment judges the wearable device according to the position
Whether in unlock range；If the distance is within a preset range, the electronic equipment detects the unlock dbjective state, if institute
It states unlock target to have locked, asks the user whether to unlock.
Wherein, electronic equipment and wearable device communicate to connect, and electronic equipment can not only pass through wearable device
The vein image for obtaining user, can also obtain the geographical location of wearable device, because unlock is based on short distance communication, institute
It needs just to be able to achieve unlock in unlock range with user and wearable device, unlocks range by user previously according to optional
Range is configured, such as settable unlock range is the range for being 3 meters as center of circle radius using tripper, if unlock target is
Locking, electronic equipment will remind user in such a way that speech form or screen are shown, such as " close to door, if execute unlock ",
And show the option of "Yes" and "No" on the screen of the electronic device, user select respective selection after, electronic equipment according to
Family selection executes corresponding operating.
As can be seen that electronic equipment can inquire use when user is in unlock range and unlock target is locked state
Whether family, which needs, unlocks, and user does not need to be manually operated, it is only necessary to which voice agrees to that unlock can be realized to unlock target closely
Interior automatic unlocking is thought more convenient not time saving with traditional unlocking manner.
In a possible example, before the unlocking request for receiving user, the method also includes: the electricity
Sub- equipment receives the authorization requests of user, obtains the second targeted vein image by the wearable device；The electronics is set
The standby second area feature and the second local feature for extracting the second targeted vein image；The electronic equipment is according to described
Whether two provincial characteristics and second local feature detection user identity are legal；If user identity is legal, licencing key is generated.
Wherein, it when user needs to other people unlocking authorities, can select to license to other people in the electronic device, then electronics
Equipment verifies user identity by hand vein recognition, after being confirmed as user, generates licencing key, which can be used for out
Lock, user can be informed licencing key to other people by the modes such as phone or short message or wechat later, at preset time such as 1 hour
The interior licencing key is effective, can then fail beyond 1 hour, need to reacquire licencing key.
Optionally, when electronic equipment is mobile phone, user can also continue to input other people mobile phones after obtaining licencing key
Number, then the licencing key is sent on other people mobile phones by the electronic equipment by by way of phone or short message.
As can be seen that in particular cases, user can also authorize permission, and other people unlock, before obtaining licencing key,
It is also required to carry out vein verifying, to be confirmed as the authorization of user's progress, that is, ensure that safety, it may have is biggish flexible
Property.
In a possible example, the unlock target is divided into the first unlock mesh according to successively decreasing for significance level
Mark, the second unlock target and third unlock target, which comprises if the electronic equipment receives user for described first
The unlocking request for unlocking target, is unlocked by the vein unlocking method and fingerprint recognition；Alternatively, if the electronic equipment
User is received for the unlocking request of the second unlock target, is unlocked by the vein unlocking method；Alternatively, if institute
It states electronic equipment and receives user for the unlocking request of third unlock target, solved by the vein unlocking method
Lock, if unlock failure, is unlocked by the fingerprint recognition.
For example, safety box can be divided into the first unlock target, computer is divided into the second unlock target, by house and
Vehicle is divided into third unlock target.It is divided into the device of the first unlock target while needing to have fingerprint identification function, this first
The finger print information for unlocking the preparatory typing user of target, only in the case where vein is verified and fingerprint recognition passes through,
By hand vein recognition and fingerprint recognition double shield, safety can be further increased to the first unlock target unlock.If third solution
Lock target also has the function of unlocked by fingerprint, then in the case where vein authentication failed, can carry out fingerprint recognition unlock, on the one hand to the greatest extent
On the other hand possible guarantee safety improves the flexibility of unlock scheme, allows user in vein authentication failed, still may be used
To carry out identification unlock by other means.
As can be seen that being divided according to significance level to unlock target, so that the unlock target pair that significance level is different
Different unlock schemes is answered, so that whole unlock strategy, rich in hierarchy, distinction unlocks under the premise of ensuring safety
Method flexibility is stronger, is allowed to be applicable to more scenes.
As shown in Fig. 2, Fig. 2 is the schematic diagram of a specific embodiment provided by the embodiments of the present application, in the present embodiment
In, electronic equipment is user mobile phone, and unlock target is door, and the intravenous regional for needing to verify is the back of the hand, in user close to door
When, electronic equipment detects that user is within the scope of the unlock of door (such as apart from door 3 meters), and knows room by bluetooth communication
Door is locked state, then text " close to door, if unlock " is shown on user mobile phone screen, and "Yes" is shown below text
With two select buttons of "No", while the above-mentioned word content of voice prompting user, if user speech replys "Yes" or in mobile phone
The select button of "Yes", i.e. generation unlocking request are clicked on screen, N vein figures of mobile phone notice wearable device acquisition later
Picture, after " ticking " sound Tip Sound, wearable device issues infrared light, and within a preset time (such as in 3s) from the back of the hand top
End (the first predeterminated position) shift to the back of the hand end (the second predeterminated position), wearable device acquire in moving process N open it is quiet
Arteries and veins image, and N vein images are sent to user mobile phone, user mobile phone carries out gray processing, scale normalizing to N vein images
The pretreatment such as change, smooth, filtering, obtains first object vein image, extracts the provincial characteristics of first object vein image, vein
Intersection feature, vein endpoint feature and vein curvature feature；By the feature of said extracted respectively with corresponding pre-stored characteristics mould
Plate carries out aspect ratio pair, obtains the similarity of each feature, further obtains overall similarity and comparison result, on mobile phone screen
Show each characteristic similarity and overall similarity and comparison result, and such as " provincial characteristics similarity: 0.7, vein crossings point is similar
Degree: 0.8, vein endpoint similarity: 0.6, vein curvature similarity: 0.6, overall similarity 75%, vein compares successfully, i.e., will
Unlock ", after unlocking successfully, unlock target is sent to user mobile phone unlocks successful information, and user mobile phone is deposited after receiving
Enter in history unlock record, user can unlock in history selects different unlock targets to check its unlock record in record.
Wherein, the vein image of the back of the hand is that the back of the hand is collected under horizontal diastole state, if the portable weight of user, the
The provincial characteristics of one targeted vein image can be different because of " deformation " of the back of the hand, and the position of section of vein can move, vein it
Between distance also accordingly become larger, may will affect aspect ratio pair as a result, in this regard, special according to the region of first object vein image
The amplitude of variation adjustment region feature of the similarity of sign and the weight accounting of each local feature, as provincial characteristics original weight is
30%, local feature original weight is respectively 20%, 30%, 20%, if other local features (the vein friendships of last gained can be set
Crunode feature, vein endpoint feature and vein curvature feature) similarity is above H (such as 0.7), and provincial characteristics similarity is in L1
Between (such as 0.3) and L2 (such as 0.5), then the weight accounting of adjust automatically provincial characteristics and local feature, adjustment region feature are weighed
Weight is 15%, and adjustment local feature weight is respectively 25%, 35%, 25%, then judged with weight calculation adjusted described in
Whether user identity is legal；If last other local feature similarities of gained are above H, provincial characteristics similarity L3 (such as
0.1) between L1, then adjustment region feature weight is 10%, and adjustment local feature weight is respectively 26%, 38%, 26%；If
Last other local feature similarities of gained are above H, and provincial characteristics similarity is lower than L3, then adjustment region feature weight is
5%, adjustment local feature weight is respectively 28%, 39%, 28%.
Referring to Fig. 3, Fig. 3 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application, as shown, packet
Processor, memory, communication interface are included, and one or more programs, described program are stored in the memory, and
It is configured to be executed by the processor.Described program includes the instruction for executing following steps:
Receive the unlocking request of user；And in response to the unlocking request, notify described wearable device acquisition N
Vein image, N are the positive integer greater than 2；And the N from the wearable device vein images are received, according to
The N vein images generate first object vein image；And extract the first area spy of the first object vein image
First partial of seeking peace feature, the first area feature are the integrally-built feature of vein, and the first partial feature is vein
The feature of part；And it is whether legal according to the first area feature and first partial feature detection user identity；With
And if user identity is legal, executes unlock operation.
In a possible example, the first partial feature includes fisrt feature, second feature and third feature,
It is described whether legal including aspect, the journey according to the first area feature and first partial feature detection user identity
Sequence includes the instruction for executing following steps: the first area feature is carried out aspect ratio with the provincial characteristics template prestored
It is right, obtain the first similarity；And the fisrt feature is subjected to aspect ratio pair with the fisrt feature template prestored, obtain second
The second feature and the second feature template that prestores are carried out aspect ratio pair, obtain third similarity by similarity, by described the
Three features carry out aspect ratio pair with the third feature template prestored, obtain the 4th similarity, wherein the fisrt feature refers to vein
The feature in crosspoint, the second feature refer to that the feature of vein endpoint, the third feature refer to the feature of vein curvature；And root
According to first similarity, second similarity, the third similarity and the 4th similarity calculation overall similarity；
And be compared the overall similarity with preset threshold, comparison result is obtained, according to comparison result judgement
Whether user identity is legal.
In a possible example, the fisrt feature is subjected to aspect ratio with the fisrt feature template prestored described
It is right, the second similarity is obtained, the second feature is subjected to aspect ratio pair with the second feature template prestored, it is similar to obtain third
The third feature is carried out aspect ratio pair with the third feature template prestored by degree, and obtaining the 4th similarity includes aspect, described
Program includes the instruction for executing following steps:
To fisrt feature point, second feature point and third feature point assign label respectively, wherein the fisrt feature point pair
The fisrt feature is answered, the second feature point corresponds to the second feature, and the third feature point corresponds to the third feature；
And
Circular image interception is carried out to the first object vein image according to P isometrical not concentrics, obtains P circle
Shape venosomes image, the P are the integer greater than 3；And P circular vein region is analyzed according to the label respectively
The point of fisrt feature described in image, the distribution of the second feature point and third feature point；And it is round quiet from described P
Q first object circular vein area image Q is selected in arteries and veins area image respectivelya1, Qa2,, Qaq, Q the second target circles are quiet
Arteries and veins area image Qb1, Qb2,, QbqWith Q third target circle venosomes image Qc1, Qc2,, Qcq, Q is whole less than P
Number；And by the Q first object circular vein area image, the Q the second target circle venosomes images and institute
It states each image in Q third target circle venosomes image and is divided into the identical annulus of M ring width；And according to Qa1,
Qa2,, Qaq, Qb1, Qb2,, Qbq, Qc1, Qc2,, QcqSequence successively choose image, from the M annulus of selected image
The middle the smallest annulus of radius starts, by the M annulus successively with the fisrt feature template that prestores, second feature template, third
Feature templates carry out Feature Points Matching, obtain the matching value of selected image；And according to the Q first object circular vein
Q matching value of area image obtains second similarity, according to the Q of the Q the second target circle venosomes images
A matching value obtains the third similarity, is obtained according to Q matching value of the Q third target circle venosomes image
4th similarity.
In a possible example, in the N of the reception from the wearable device vein images, root
In terms of generating first object vein image according to the N vein images, described program includes the instruction for executing following steps:
Receive the N from the wearable device vein images；And the N vein images are melted
Conjunction processing, obtains the first object vein image；Wherein, the N vein images are the wearable device from first
Predeterminated position is moved to acquired image during the second predeterminated position.
In a possible example, before the unlocking request for receiving user, described program includes for executing
The instruction of following steps:
Obtain the position of the wearable device；And according to the position judge the wearable device whether
It unlocks in range；And if the distance is within a preset range, detects the unlock dbjective state, if the unlock target on
Lock, asks the user whether to unlock.
In a possible example, before the unlocking request for receiving user, described program includes for executing
The instruction of following steps:
Receive the authorization requests of user；And the second targeted vein image is obtained by the wearable device；And
Extract the second area feature and the second local feature of the second targeted vein image；And according to the second area feature
It is whether legal with second local feature detection user identity；And if user identity is legal, generates licencing key.
In a possible example, the unlock target is divided into the first unlock mesh according to successively decreasing for significance level
Mark, the second unlock target and third unlock target, and described program includes the instruction for executing following steps:
If receiving user for the unlocking request of the first unlock target, known by the vein unlocking method and fingerprint
It is not unlocked；Alternatively, passing through the vein unlocking method if receiving user for the unlocking request of the second unlock target
It is unlocked；Alternatively, if receive user for the third unlock target unlocking request, by the vein unlocking method into
Row unlock, if unlock failure, is unlocked by the fingerprint recognition.
It is above-mentioned that mainly the scheme of the embodiment of the present application is described from the angle of method implementation procedure.It is understood that
It is that in order to realize the above functions, it comprises execute the corresponding hardware configuration of each function and/or software module for terminal.Ability
Field technique personnel should be readily appreciated that, in conjunction with each exemplary unit and algorithm steps of embodiment description presented herein
Suddenly, the application can be realized with the combining form of hardware or hardware and computer software.Some function actually with hardware still
Computer software drives the mode of hardware to execute, the specific application and design constraint depending on technical solution.Professional skill
Art personnel can specifically realize described function to each using distinct methods, but it is this realize it is not considered that
Beyond scope of the present application.
The embodiment of the present application can carry out the division of functional unit according to above method example to terminal, for example, can be right
The each functional unit of each function division is answered, two or more functions can also be integrated in a processing unit.
Above-mentioned integrated unit both can take the form of hardware realization, can also realize in the form of software functional units.It needs
Illustrate, is schematical, only a kind of logical function partition to the division of unit in the embodiment of the present application, it is practical to realize
When there may be another division manner.
It is consistent with the above, referring to Fig. 4, Fig. 4 provides a kind of vein tripper 400 for the embodiment of the present application
Structural schematic diagram.The vein tripper 400 includes communication unit 401 and processing unit 402, in which:
Communication unit 401, for after the unlocking request for receiving user, notifying that it is quiet that the wearable device acquisition N opens
Arteries and veins image, and receive the N from the wearable device vein images；
Processing unit 402 generates first object vein images for opening vein images according to the N, and described in extraction
The first area feature and first partial feature of first object vein image, and according to the first area feature and described
One local feature detect user identity it is whether legal, and if user identity it is legal, execute unlock operation.
In a possible example, user is detected according to the first area feature and the first partial feature described
The whether legal aspect of identity, the processing unit 402 are specifically used for: by the first area feature and the provincial characteristics mould prestored
Plate carries out aspect ratio pair, obtains the first similarity；And the fisrt feature is subjected to feature with the fisrt feature template prestored
It compares, obtains the second similarity, the second feature is subjected to aspect ratio pair with the second feature template prestored, obtains third phase
Like degree, the third feature is subjected to aspect ratio pair with the third feature template prestored, obtains the 4th similarity, wherein described
Fisrt feature refers to that the feature of vein crossings point, the second feature refer to that the feature of vein endpoint, the third feature refer to vein song
The feature of rate；And according to first similarity, second similarity, the third similarity and the 4th similarity
Calculate overall similarity；And be compared the overall similarity with preset threshold, comparison result is obtained, according to the ratio
Whether the user identity is legal to be judged to result.
In a possible example, the fisrt feature is subjected to aspect ratio with the fisrt feature template prestored described
It is right, the second similarity is obtained, the second feature is subjected to aspect ratio pair with the second feature template prestored, it is similar to obtain third
The third feature is carried out aspect ratio pair with the third feature template prestored by degree, in terms of obtaining the 4th similarity, the processing
Unit 402 is specifically used for:
To fisrt feature point, second feature point and third feature point assign label respectively, wherein the fisrt feature point pair
The fisrt feature is answered, the second feature point corresponds to the second feature, and the third feature point corresponds to the third feature；
And circular image interception is carried out to the first object vein image according to P isometrical not concentrics, it is quiet to obtain P circle
Arteries and veins area image, the P are the integer greater than 3；And the P circular vein area image is analyzed according to the label respectively
Described in fisrt feature point, the distribution of the second feature point and third feature point；And from P circular vein area
Q first object circular vein area image Q is selected in area image respectivelya1, Qa2,, Qaq, Q the second target circular vein areas
Area image Qb1, Qb2,, QbqWith Q third target circle venosomes image Qc1, Qc2,, Qcq, Q is the integer less than P；With
And by the Q first object circular vein area image, the Q the second target circle venosomes images and the Q are a
Each image is divided into the identical annulus of M ring width in third target circle venosomes image；And according to Qa1, Qa2,,
Qaq, Qb1, Qb2,, Qbq, Qc1, Qc2,, QcqSequence successively choose image, the radius from the M annulus of selected image
The smallest annulus starts, by the M annulus successively with the fisrt feature template that prestores, second feature template, third feature mould
Plate carries out Feature Points Matching, obtains the matching value of selected image；And according to the Q first object circular vein administrative division map
Q matching value of picture obtains second similarity, according to Q of the Q the second target circle venosomes images matching
Value obtains the third similarity, obtains described according to Q matching value of the Q third target circle venosomes image
Four similarities.
In a possible example, before the unlocking request for receiving user, the processing unit 402 is also used
In:
Obtain the position of the wearable device；And according to the position judge the wearable device whether
It unlocks in range；And if the distance is within a preset range, detects the unlock dbjective state, if the unlock target on
Lock, asks the user whether to unlock.
In a possible example, before the unlocking request for receiving user, the processing unit 402 is also used
In:
Receive the authorization requests of user；And the second targeted vein image is obtained by the wearable device；And
Extract the second area feature and the second local feature of the second targeted vein image；And according to the second area feature
It is whether legal with second local feature detection user identity；And if user identity is legal, generates licencing key.
In a possible example, the unlock target is divided into the first unlock mesh according to successively decreasing for significance level
Mark, the second unlock target and third unlock target, and the processing unit 402 is also used to:
If receiving user for the unlocking request of the first unlock target, known by the vein unlocking method and fingerprint
It is not unlocked；Alternatively, passing through the vein unlocking method if receiving user for the unlocking request of the second unlock target
It is unlocked；Alternatively, if receive user for the third unlock target unlocking request, by the vein unlocking method into
Row unlock, if unlock failure, is unlocked by the fingerprint recognition.
As can be seen that after electronic equipment receives the unlocking request of user, being asked in response to the unlock in the embodiment of the present application
It asks, notifies described N vein images of wearable device acquisition；Receive the N from the wearable device veins
Image generates first object vein image according to the N vein images；Extract the firstth area of the first object vein image
Characteristic of field and first partial feature；Whether closed according to the first area feature and first partial feature detection user identity
Method；If user identity is legal, unlock operation is executed.As it can be seen that gone forward side by side comparison by extracting feature to vein image, so that it is determined that
Whether it is user's operation, and then unlocks, improves safety in utilization, and applicable situation is more, strong flexibility.
The embodiment of the present application also provides a kind of computer readable storage medium, and storage is used for the computer of electronic data interchange
Program, the computer program make computer execute any one recorded in such as above method embodiment based on high light spectrum image-forming
Some or all of lane recognition method step.
The embodiment of the present application also provides a kind of computer program product, and the computer program product includes storing calculating
The non-transient computer readable storage medium of machine program, the computer program make computer execute such as above method embodiment
Some or all of any lane recognition method based on high light spectrum image-forming of middle record step.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the application is not limited by the described action sequence because
According to the application, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, related actions and modules not necessarily the application
It is necessary.In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
The above, above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although referring to before
Embodiment is stated the application is described in detail, those skilled in the art should understand that: it still can be to preceding
The technical solution for stating each embodiment record is modified or equivalent replacement of some of the technical features；And these are repaired
Change or replaces, the range of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of vein unlocking method, which is characterized in that be applied to electronic equipment, the electronic equipment and wearable device are logical
Letter connection, which comprises
Receive the unlocking request of user；
In response to the unlocking request, described N vein images of wearable device acquisition are notified, N is the positive integer greater than 2；
The N from the wearable device vein images are received, generate first object according to the N vein images
Vein image；
The first area feature and first partial feature of the first object vein image are extracted, the first area feature is quiet
The integrally-built feature of arteries and veins, the first partial feature are the feature of vein part；
It is whether legal according to the first area feature and first partial feature detection user identity；
If user identity is legal, unlock operation is executed.
2. second is special the method according to claim 1, wherein the first partial feature includes fisrt feature
It seeks peace third feature, it is described that the whether legal packet of user identity is detected according to the first area feature and the first partial feature
It includes:
The first area feature is subjected to aspect ratio pair with the provincial characteristics template prestored, obtains the first similarity；
The fisrt feature is subjected to aspect ratio pair with the fisrt feature template prestored, the second similarity is obtained, by described second
Feature carries out aspect ratio pair with the second feature template that prestores, obtains third similarity, by the third feature with prestore the
Three feature templates carry out aspect ratio pair, obtain the 4th similarity, wherein the fisrt feature refers to the feature of vein crossings point, institute
The feature that second feature refers to vein endpoint is stated, the third feature refers to the feature of vein curvature；
According to first similarity, second similarity, the third similarity and the 4th similarity calculation are whole
Similarity；
The overall similarity is compared with preset threshold, obtains comparison result, according to comparison result judgement
Whether user identity is legal.
3. method according to claim 1 or 2, which is characterized in that described by the fisrt feature and the first spy prestored
It levies template and carries out aspect ratio pair, obtain the second similarity, the second feature is subjected to feature with the second feature template prestored
It compares, obtains third similarity, the third feature is subjected to aspect ratio pair with the third feature template prestored, obtains the 4th phase
Include: like degree
To fisrt feature point, second feature point and third feature point assign label respectively, wherein the fisrt feature point corresponds to institute
Fisrt feature is stated, the second feature point corresponds to the second feature, and the third feature point corresponds to the third feature；
Circular image interception is carried out to the first object vein image according to P isometrical not concentrics, it is quiet to obtain P circle
Arteries and veins area image, the P are the integer greater than 3；
Fisrt feature point, the second feature described in the P circular vein area image are analyzed respectively according to the label
The distribution of point and the third feature point；
Select Q first object circular vein area image Q respectively from the P circular vein area imagea1, Qa2,,
Qaq, Q the second target circle venosomes image Qb1, Qb2,, QbqWith Q third target circle venosomes image Qc1,
Qc2,, Qcq；
By the Q first object circular vein area image, the Q the second target circle venosomes images and the Q
Each image is divided into the identical annulus of M ring width in a third target circle venosomes image；
According to Qa1, Qa2,, Qaq, Qb1, Qb2,, Qbq, Qc1, Qc2,, QcqSequence successively choose image, from selected image
The smallest annulus of radius starts in the M annulus, and the M annulus is successively special with the fisrt feature template that prestores, second
Template is levied, third feature template carries out Feature Points Matching, obtains the matching value of selected image；
Second similarity is obtained according to Q matching value of the Q first object circular vein area image, according to described
Q matching value of Q the second target circle venosomes images obtains the third similarity, according to the Q third target
Q matching value of circular vein area image obtains the 4th similarity.
4. method according to claim 1-3, which is characterized in that described receive comes from the wearable device
The N vein images, generating first object vein images according to the N vein images includes:
Receive the N from the wearable device vein images；
Fusion treatment is carried out to the N vein images, obtains the first object vein image；
Wherein, the N vein images are moved to the second predeterminated position from the first predeterminated position for the wearable device
Acquired image in the process.
5. method according to claim 1-4, which is characterized in that it is described receive user unlocking request it
Before, the method also includes:
Obtain the position of the wearable device；
Judge the wearable device whether in unlock range according to the position；
If the distance is within a preset range, the unlock dbjective state is detected, if the unlock target has been locked, inquires user
Whether unlock.
6. method according to claim 1-5, which is characterized in that it is described receive user unlocking request it
Before, the method also includes:
Receive the authorization requests of user；
The second targeted vein image is obtained by the wearable device；
Extract the second area feature and the second local feature of the second targeted vein image；
It is whether legal according to the second area feature and second local feature detection user identity；
If user identity is legal, licencing key is generated.
7. method according to claim 1-6, which is characterized in that unlock target the passing according to significance level
Subtract and be divided into the first unlock target, the second unlock target and third unlock target, which comprises
If receiving user for the unlocking request of the first unlock target, by the vein unlocking method and fingerprint recognition into
Row unlock；
Alternatively, being solved if receiving user for the unlocking request of the second unlock target by the vein unlocking method
Lock；
Alternatively, being solved if receiving user for the unlocking request of third unlock target by the vein unlocking method
Lock, if unlock failure, is unlocked by the fingerprint recognition.
8. a kind of vein tripper, which is characterized in that the vein tripper includes:
Communication unit, for after the unlocking request for receiving user, notifying described N vein images of wearable device acquisition,
And receive the N from the wearable device vein images；
Processing unit, for generating first object vein image, and the extraction first object according to the N vein images
The first area feature and first partial feature of vein image, and it is special according to the first area feature and the first partial
Sign detection user identity it is whether legal, and if user identity it is legal, execute unlock operation.
9. a kind of electronic equipment, which is characterized in that including processor, memory, communication interface, and one or more programs,
Described program is stored in the memory, and is configured to be executed by the processor, and described program includes for executing
The instruction of step in the method according to claim 1 to 7.
10. a kind of computer readable storage medium, which is characterized in that storage is used for the computer program of electronic data interchange,
In, the computer program makes computer execute the method according to claim 1 to 7.
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