CN109241848A - A kind of method and apparatus improving fingerprint recognition safety - Google Patents
A kind of method and apparatus improving fingerprint recognition safety Download PDFInfo
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- CN109241848A CN109241848A CN201810890988.1A CN201810890988A CN109241848A CN 109241848 A CN109241848 A CN 109241848A CN 201810890988 A CN201810890988 A CN 201810890988A CN 109241848 A CN109241848 A CN 109241848A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1347—Preprocessing; Feature extraction
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2133—Verifying human interaction, e.g., Captcha
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Abstract
The present invention provides a kind of method and apparatus for improving fingerprint recognition safety, belong to fingerprint identification technology field.This method comprises the following steps: original fingerprint typing；Validation Mode and unlocking function setting；Validation Mode selection；Fingerprint collecting；Characteristic Contrast.The device includes: data storage cell, fingerprint collecting unit, Characteristic Contrast unit, manual operation unit, acoustic-optic indicator unit, and carries out fingerprint recognition according to the method described above.The present invention utilizes the position attribution of fingerprint, constitute distinctive single authentication mode and multiple authentication mode, and according to fingerprint positions attribute, participation verifying fingerprint quantity and verifying number, the arrangement of formation and group, which merge, constitutes specific fingerprint key, the safety of fingerprint recognition is greatly improved, the secrecy system of various security requirements can be widely used in.
Description
Technical field
The present invention relates to fingerprint identification technology fields, and in particular to a kind of method and dress for improving fingerprint recognition safety
It sets.
Background technique
With the fast development of information technology, the importance of identification just increasingly shows, and traditional identification side
Formula is faced with the challenge of security performance since its intrinsic limitation has been far from satisfying requirement, using key, card and
The token mode that identity card etc. is possessed exists and is easy to the security risks such as lose, be stolen and copy；Using known to password etc.
Password mode, then there are problems that being easy to forgeing and being attacked, more seriously these tional identification modes cannot be distinguished
Real owner and the jactitator for obtaining identity object.And physical features possessed by human body itself are utilized, such as biology is special
Identification technology is levied, it can be to avoid the above problem, because these features have stability, permanent, uniqueness and safety etc. solely
Special advantage.
Fingerprint almost becomes the generation of living things feature recognition since it is with unchangeable property, uniqueness and convenience
Noun.Fingerprint refers to the convex recessed uneven streakline generated of the positive surface skin of the finger tips of people.The regular arrangement of streakline is formed not
Same line type.Starting point, terminal, binding site and the bifurcation of streakline, the referred to as details of fingerprint.Due to everyone fingerprint
Difference, even if fingerprint also has significant difference, therefore fingerprint can be used for identity authentication between ten fingers of same people.
Now, fingerprint identification technology is widely used in the equipment such as acquisition system, access control system, intelligent telephone set.So
And traditional fingerprint identification technology is all the template data for recording fingerprint by early period and saving user, user after successful match
Permission can be possessed, this recognition methods still remains certain risk, for example party is in stupor or state of sleeping soundly, all
It is very easy to be carried out theft use.Moreover, under the scene that current network video frequently uses, by hacking technique to fingerprint
Image, which is grabbed and cracked, to be all possible to.Therefore, it is necessary to a kind of safer fingerprint identification methods.
Summary of the invention
For these reasons, the present invention provides a kind of method and apparatus for improving fingerprint recognition safety, according to fingerprint bit
It sets attribute, participation verifying fingerprint quantity and verifies the arrangement and combine the specific fingerprint key of composition that number is formed, know fingerprint
Other safety greatly improves.
In order to achieve the above objectives, the technical scheme adopted by the invention is that: a method of improve fingerprint recognition safety,
Include the following steps:
S1. original fingerprint typing: fingerprint collecting unit collects the fingerprint image of multiple fingers of user, adds fingerprint positions category
Property, and classification storage is in the database；
S2. Validation Mode and unlocking function setting: user sets Validation Mode, and is selected accordingly according to the Validation Mode of setting
Unlocking function；
Validation Mode is divided into single authentication mode and multiple authentication mode, when selecting multiple authentication mode, also needs setting specific
Verifying sequence, the specific verifying sequence are to be formed according to fingerprint positions attribute, participation verifying fingerprint quantity and verifying number
Arrangement and combination；
S3. Validation Mode selects: person to be verified selects Validation Mode, if selection Validation Mode is correct, continues to verify；If selection is tested
Pattern-Fault is demonstrate,proved, verifying terminates；
S4. fingerprint collecting: fingerprint collecting unit acquires the fingerprint image of person to be verified according to Validation Mode；
S5. the fingerprint image stored in the fingerprint image and database of collected person to be verified Characteristic Contrast: is subjected to feature
Comparison, when the two is identical, then determines that the person to be verified is user, and unlock corresponding function, is otherwise determined as non-user.
Preferably, in step S1, fingerprint collecting unit includes the first fingerprint collecting area and the second fingerprint collecting area, first
Fingerprint collecting area and the second fingerprint collecting area are provided with fingerprint induction module.
Preferably, after setting specific verifying sequence, further include the steps that confirming or modify: device is logical in step S2
Cross whether voice prompting user confirms and learn off specific verifying sequence, if it is, terminating, if it is not, then entering modification
Validation Mode is set, is reset, until confirmation sets specific verifying sequence.
Preferably, in step S3, if it is more than the secondary of setting that person to be verified, which selects the faulty operation number of Validation Mode,
Number, device can issue alarm.
Preferably, in step S4, when acquiring the fingerprint image of person to be verified according to Validation Mode, if single authentication mould
Formula enters Characteristic Contrast step after single acquisition；If multiple authentication mode, then carried out according to specific verifying sequence multiple
It acquires, Characteristic Contrast step is entered after multi collect.
Preferably, in step S4, when multi collect, device issues times of collection prompt tone, guides person to be verified by mentioning
Show that sound completes acquisition.
Preferably, fingerprint collecting unit includes simulation numeral key area, simulation numeral key area pair in step S4
Fingerprint induction module should be provided with；When user's finger presses the simulation numeral key area, recorded by fingerprint induction module
The finger-print cipher of access customer input.
Preferably, in step S5, when selecting multiple authentication mode, user may be selected to be arranged unified contrastive pattern or according to
Secondary acquisition contrastive pattern；Select unified contrastive pattern, then it is unified to collected finger when all fingerprint image acquisitions are completed
Print image compares, and be confirmed whether it is identical with the fingerprint image stored in database, if they are the same, by verifying, if
Difference, verifying terminate；Selection successively acquires contrastive pattern, then whenever collecting fingerprint image, immediately begins to compare, and confirm
It is whether identical as the fingerprint image stored in database, if it is different, verifying terminates.
Preferably, Characteristic Contrast process further includes that Characteristic Contrast interrupts process: if in Characteristic Contrast mistake in step S5
Cheng Zhongyou new fingerprint input then stops this Characteristic Contrast process and starts to receive new fingerprint input, defeated to new fingerprint
Characteristic Contrast process is restarted after entering to finish again.
Another technical solution of the present invention is: a kind of fingerprint identification device improving fingerprint recognition safety,
Fingerprint recognition is carried out using the above-described method for improving fingerprint recognition safety, the fingerprint identification device includes:
Data storage cell forms database for storing the fingerprint image and Validation Mode of user；
Fingerprint collecting unit, for collecting the fingerprint image of user and acquiring the fingerprint image of person to be verified；
Characteristic Contrast unit, the fingerprint image stored in the fingerprint image and database for comparing person to be verified；
Manual operation unit sets Validation Mode for user, corresponding unlocking function or person to be verified is selected to select verifying
Mode；
Acoustic-optic indicator unit, for indicator light prompt, auditory tone cues and sound-light alarm when authentication failed in verification process.
Compared with the existing technology, it the invention has the following advantages: the present invention utilizes the position attribution of fingerprint, constitutes special
Some single authentication modes and multiple authentication mode, and according to fingerprint positions attribute, participation verifying fingerprint quantity and verifying number
The arrangement and combination of formation constitute specific fingerprint key, greatly improve the safety of fingerprint recognition, can be widely used in each
The secrecy system of kind security requirements.In addition, the present invention selects corresponding unlocking function also according to the Validation Mode of setting, therefore,
Corresponding permission can be set according to different security levels and grade crowd, when different users is in the unlocked by fingerprint of oneself
When, corresponding function can only be unlocked.
Detailed description of the invention
Fig. 1 is a kind of flow diagram for the method for improving fingerprint recognition safety of the present invention.
Fig. 2 is a kind of structural schematic diagram for the device for improving fingerprint recognition safety of the present invention.
Specific embodiment
The following examples can help those skilled in the art that the present invention is more completely understood, but cannot be with any
Mode limits the present invention.Below in conjunction with attached drawing and specific embodiment, the present invention is further illustrated:
For convenience of understanding, now user, non-user and person to be verified are such as given a definition:
User, the i.e. owner of the device or system, all permissions with the device or system.
Non-user is judged to not possessing the people of permission by the owner of the device or system.
Person to be verified is ready for the people for having the device or system permission by verifying means, it may be possible to user
Or non-user.
As shown in Figure 1, a kind of method for improving fingerprint recognition safety, includes the following steps:
S1. original fingerprint typing: fingerprint collecting unit collects the fingerprint image of multiple fingers of user, adds fingerprint positions category
Property, and classification storage is in the database.
In order to facilitate the typing of fingerprint, ten fingers of user are pressed to A-J number respectively according to position attribution first.Phase
For traditional single fingerprint attribute, ten fingers are distinguished according to position attribution, are increased the quantity of key arrangement, combination, are
Subsequent specific settings verifying sequence provides good basis.
When original fingerprint typing, usually singly refer to multiple typing, at least typing twice, to guarantee the accuracy of typing.
For example, selecting different angles with thumb or index finger, repeat typing 2-3 times.And other than singly referring to typing, it can also take
Refer to the mode of typing, i.e. the fingerprint of the multiple fingers of typing simultaneously more, and stores simultaneously in the database.After typing simultaneously means
The fingerprint that multiple fingers can also be acquired in continuous verification process simultaneously further increases the quantity of key arrangement, combination.
The fingerprint of the multiple fingers of typing generally requires special acquisition equipment simultaneously.Therefore, fingerprint collecting unit includes more
A fingerprint collecting area, to meet the rich of key permutations and combinations.In the present embodiment, fingerprint collecting unit includes the first finger
Line acquisition zone and the second fingerprint collecting area, the first fingerprint collecting area and the second fingerprint collecting area are provided with fingerprint induction module.
Using the first fingerprint collecting area and the second fingerprint collecting area, user can two fingers of typing simultaneously fingerprint.
Certainly, using single fingerprint collecting area, according to the sequence that A-J is numbered, successively each fingerprint of typing is also feasible.
The fingerprint of typing in order, in the database according to number storage, so as to subsequent proving program calling.
S2. Validation Mode and unlocking function setting: user sets Validation Mode, and is selected according to the Validation Mode of setting
Corresponding unlocking function；Validation Mode is divided into single authentication mode and multiple authentication mode, when selecting multiple authentication mode, also needs
Specific verifying sequence is set, the specific verifying sequence is according to fingerprint positions attribute, participates in verifying fingerprint quantity and test
Demonstrate,prove arrangement and combination that number is formed.
Single authentication mode, including single list refer to that Validation Mode and single refer to Validation Mode more.Single list refers to Validation Mode
Refer to and only selects one in ten fingerprints to be verified as key；Single refers to that Validation Mode refers in ten fingerprints of selection more
It is multiple, usually two, verified as key.The characteristics of single authentication mode is: verifying is primary, that is, completes verifying.
It is made it is noted that single list refers to that Validation Mode is identical as traditional Validation Mode, safety is relatively low.And it is single
Secondary to refer to Validation Mode, because there is ten fingerprints available, i.e. the combination of composition fingerprint key is relatively more more, is suitable for secrecy journey
Spend general place.
Multiple authentication mode, including repeatedly singly refer to Validation Mode and repeatedly refer to Validation Mode more.Repeatedly singly refer to Validation Mode
Refer to that selecting several in ten fingerprints as key is performed in multiple times verifying, verifying is single every time；Repeatedly refer to Validation Mode more
Refer to that selecting several in ten fingerprints as key is performed in multiple times verifying, verifies multiple every time.The spy of multiple authentication mode
Point is: verifying repeatedly, could complete verifying in sequence.Since it is desired that verifying is repeatedly, so just having specific verifying sequence.
Multiple authentication mode can be used for the higher place of privacy degrees.
The specific verifying sequence is formed according to fingerprint positions attribute, participation verifying fingerprint quantity and verifying number
Arrangement and combination.If in strict accordance with theoretical implications, the number of verifying is more, and safety is higher, it is contemplated that actually making
With will usually participate in verifying fingerprint quantity and be set as 2-4, verifying number is set as 3-5 times.So combination, both ensure that knowledge
Other safety, and taken into account the convenience used.
Due to setting the personal behavior of the Validation Mode person of usually using, only one people of user is on the scene, and including spy
Therefore fixed verifying sequence after setting specific verifying sequence, further includes the steps that confirming or modify.
After setting specific verifying sequence, device by voice prompting user whether confirm and learn off specifically verify it is suitable
Sequence, if it is not, then entering modification setting Validation Mode, is reset if it is, terminating, until confirmation setting is specifically tested
Card sequence.
Validation Mode has been set, corresponding unlocking function can also have been selected according to the Validation Mode of setting.Different verifyings
Mode corresponds to different unlocking functions, so that the safety of whole system further increases.In the higher of safety requirements grade
In use environment, single authentication mode can be corresponded to first order unlock, and multiple authentication mode is corresponded into second level unlock, shape
At the progressive of function.For example, being directed to access control and attendance system, may be selected single authentication mode setting to be opening gate function, it is more
Secondary Validation Mode is set as attendance checking function of checking card.
S3. Validation Mode selects: person to be verified selects Validation Mode, if selection Validation Mode is correct, continues to verify；If choosing
Validation Mode mistake is selected, verifying terminates.
When person to be verified starts verifying, it is necessary first to select correct Validation Mode.As user, ought to can select just
True Validation Mode.If it is more than the number set that person to be verified, which selects the faulty operation number of Validation Mode, device can be issued
Alarm.As for the mode of alarm, including sound-light alarm, and triggering network, user or Security Personnel etc. are notified.
Certainly, the lower shared region of requirement in certain specific occasions, such as to safety, Validation Mode selected above
The step of also can be omitted.When person to be verified needs to verify, verifying key is pressed, the step of system is directly entered fingerprint collecting,
And start to acquire the fingerprint of person to be verified.
In certain use environments, Validation Mode is associated with corresponding unlocking function.If person to be verified can not
Correct Validation Mode is selected, even if correct unlocking function can not be obtained by fingerprint authentication.
S4. fingerprint collecting: fingerprint collecting unit acquires the fingerprint image of person to be verified according to Validation Mode.
When acquiring the fingerprint image of person to be verified according to Validation Mode, if single authentication mode, after single acquisition i.e. into
Enter Characteristic Contrast step；If multiple authentication mode, then multi collect is carried out according to specific verifying sequence, be after multi collect
Into Characteristic Contrast step.
When multi collect, device issues times of collection prompt tone, and person to be verified is guided to complete to acquire by prompt tone.Note is made
Meaning, device only issue the prompt tone about number, rather than the prompt tone of content.Because person to be verified is possible to selection pair
Validation Mode does not but know really verifying content.Therefore, the setting of prompt tone can also improve the safety of identification to a certain degree
Property.
In other some embodiments, in fingerprint collecting, device has indicator light prompt or indicator light and prompt
Sound exists simultaneously.Below for individually using indicator light prompt, the process of fingerprint collecting is described.Fingerprint collecting starts
Afterwards, indicator light extinguishes, and after inputting first fingerprint, indicator light becomes green and flashes to prompt to continue to input next fingerprint,
Within specified interval time, usually 3-5 seconds, it is necessary to input next fingerprint.Repeatedly, until person to be verified confirmation is adopted
Collection is completed.
Certainly, for the acquisition of single fingerprint, we can also take another way, to facilitate adopting for single fingerprint
Collection.Fingerprint collecting unit further includes simulation numeral key area, and simulation numeral key area is correspondingly arranged on fingerprint induction module；
When user's finger presses simulation numeral key area, pass through the finger-print cipher of fingerprint induction module typing user input.
Simulation numeral key area leads to the step of commonly used digital 0-9 represents key, and each step corresponds to single finger
Fingerprint.When the certain validation sequence that press...withes one's finger presses simulation numeral key area, that is, complete the acquisition of fingerprint image.Example
Such as, some fingerprint key set is 3 single fingerprint authentication, only need to be by the sequence of 0-1-2 respectively in number when acquiring fingerprint
0, corresponding fingerprint is pressed on 1,2 keys, just completes the acquisition of fingerprint image, it is very convenient.
S5. Characteristic Contrast: the fingerprint image stored in the fingerprint image and database of collected person to be verified is carried out
Characteristic Contrast when the two is identical, then determines that the person to be verified is user, and unlock corresponding function, is otherwise determined as non-make
User.
When selecting multiple authentication mode, user may be selected that unified contrastive pattern is arranged or successively acquire contrastive pattern.
Unified contrastive pattern refers to when all fingerprint image acquisition completions, it is unified to collected fingerprint image into
Row comparison, and be confirmed whether it is identical with the fingerprint image stored in database, if they are the same, by verifying, if it is different, verifying
It terminates.
Contrastive pattern is successively acquired, whenever collecting fingerprint image, immediately begins to compare, and is confirmed whether and database
The fingerprint image of middle storage is identical, if it is different, verifying terminates.
Unified contrastive pattern and the verification time that successively acquisition contrastive pattern is spent are identical.Therefore, for user
For, both of which and indistinction, but for non-user, if when input error, successively acquiring contrastive pattern's meeting
Input is ceaselessly interrupted, and then influences the trial and error mood of non-user, to improve safety.
In indicator light and the simultaneous embodiment of prompt tone, after successively acquiring contrastive pattern, fingerprint is inputted each time
Afterwards, system immediately begins to compare, and encounters comparison successfully, then indicator light is long bright and then extinguishes, and issues the prompt tone being proved to be successful,
And unlock corresponding function；If comparison is unsuccessful, verifying, blinking red lamp are terminated immediately, and sound the alarm.
It is certain in emergency circumstances, Characteristic Contrast process further include Characteristic Contrast interrupt process: if in Characteristic Contrast mistake
Cheng Zhongyou new fingerprint input then stops this Characteristic Contrast process and starts to receive new fingerprint input, defeated to new fingerprint
Characteristic Contrast process is restarted after entering to finish again.
In conclusion above fingerprint identification method, fingerprint is adopted before the collection of fingerprint, the selection of Validation Mode, verifying
In collection and each step of Characteristic Contrast, all more traditional recognition methods improves to some extent, hence it is evident that improves the peace of fingerprint identification method
Quan Xing can be widely used in the secrecy system of various security requirements.
As shown in Fig. 2, a kind of fingerprint identification device for improving fingerprint recognition safety, comprising:
Data storage cell 10 forms database for storing the fingerprint image and Validation Mode of user；
Fingerprint collecting unit 20, for collecting the fingerprint image of user and acquiring the fingerprint image of person to be verified；
Characteristic Contrast unit 30, the fingerprint image stored in the fingerprint image and database for comparing person to be verified；
Manual operation unit 40 sets Validation Mode for user, corresponding unlocking function or person to be verified selection is selected to test
Card mode；
Acoustic-optic indicator unit 50, for indicator light prompt, auditory tone cues and sound-light alarm when authentication failed in verification process.
The working principle of the fingerprint identification device are as follows:
Firstly, by operating artificial operating unit 40, multiple fingers of user are collected using fingerprint collecting unit 20 by user
Fingerprint image, add fingerprint positions attribute, be stored in data storage cell 10；Meanwhile user passes through manual operation list
Member 40 sets Validation Mode, and selects corresponding unlocking function, and Validation Mode is stored in data storage cell 10；
Then, person to be verified selects Validation Mode by manual operation unit 40；Acoustic-optic indicator unit 50 issue indicator light or/and
Auditory tone cues person's operation to be verified, cooperation fingerprint collecting unit 20 acquire the fingerprint image of person to be verified and are sent to Characteristic Contrast
Unit 30；
Finally, Characteristic Contrast unit 30 by the fingerprint image stored in the fingerprint image of person to be verified and data storage cell 10 into
Row Characteristic Contrast, determines whether user, if it is determined that being non-user, acoustic-optic indicator unit 50 issues audible and visible alarm.
In identification process, mistake occurs for either step, and acoustic-optic indicator unit 50 will all sound an alarm.
The present invention does not limit application field, scene, includes the intelligent terminal multi-user login of any hierarchically secure requirement,
It can carry out guest login, license user logs in；The present invention also can be applied to access control system, safe system etc..
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the patents of the present invention.
Claims (10)
1. a kind of method for improving fingerprint recognition safety, which comprises the steps of:
S1. original fingerprint typing: fingerprint collecting unit collects the fingerprint image of multiple fingers of user, adds fingerprint positions category
Property, and classification storage is in the database；
S2. Validation Mode and unlocking function setting: user sets Validation Mode, and is selected accordingly according to the Validation Mode of setting
Unlocking function；
Validation Mode is divided into single authentication mode and multiple authentication mode, when selecting multiple authentication mode, also needs setting specific
Verifying sequence, the specific verifying sequence are to be formed according to fingerprint positions attribute, participation verifying fingerprint quantity and verifying number
Arrangement and combination；
S3. Validation Mode selects: person to be verified selects Validation Mode, if selection Validation Mode is correct, continues to verify；If selection is tested
Pattern-Fault is demonstrate,proved, verifying terminates；
S4. fingerprint collecting: fingerprint collecting unit acquires the fingerprint image of person to be verified according to Validation Mode；
S5. the fingerprint image stored in the fingerprint image and database of collected person to be verified Characteristic Contrast: is subjected to feature
Comparison, when the two is identical, then determines that the person to be verified is user, and unlock corresponding function, is otherwise determined as non-user.
2. a kind of method for improving fingerprint recognition safety as described in claim 1, which is characterized in that in step S1, fingerprint
Acquisition unit includes the first fingerprint collecting area and the second fingerprint collecting area, and the first fingerprint collecting area and the second fingerprint collecting area are all provided with
It is equipped with fingerprint induction module.
3. a kind of method for improving fingerprint recognition safety as described in claim 1, which is characterized in that in step S2, setting
After specific verifying sequence, further include the steps that confirming or modify: whether device is confirmed and is learnt off by voice prompting user
Specific verifying sequence if it is not, then entering modification setting Validation Mode, is reset, if it is, terminating until confirmation
Set specific verifying sequence.
4. a kind of method for improving fingerprint recognition safety as described in claim 1, which is characterized in that in step S3, if
It is more than the number set that person to be verified, which selects the faulty operation number of Validation Mode, and device can issue alarm.
5. a kind of method for improving fingerprint recognition safety as described in claim 1, which is characterized in that in step S4, according to
When Validation Mode acquires the fingerprint image of person to be verified, enters Characteristic Contrast if single authentication mode, after single acquisition and walk
Suddenly；If multiple authentication mode, then multi collect is carried out according to specific verifying sequence, enter Characteristic Contrast after multi collect
Step.
6. a kind of method for improving fingerprint recognition safety as claimed in claim 5, which is characterized in that in step S4, repeatedly
When acquisition, device issues times of collection prompt tone, and person to be verified is guided to complete to acquire by prompt tone.
7. a kind of method for improving fingerprint recognition safety as claimed in claim 6, which is characterized in that in step S4, fingerprint
Acquisition unit includes simulation numeral key area, and simulation numeral key area is correspondingly arranged on fingerprint induction module；In user hand
When referring to the pressing simulation numeral key area, pass through the finger-print cipher that fingerprint induction module typing user inputs.
8. a kind of method for improving fingerprint recognition safety as described in claim 1, which is characterized in that in step S5, selection
When multiple authentication mode, user may be selected that unified contrastive pattern is arranged or successively acquire contrastive pattern；
Select unified contrastive pattern, then it is unified that collected fingerprint image is carried out when all fingerprint image acquisitions are completed
Comparison, and be confirmed whether it is identical with the fingerprint image stored in database, if they are the same, by verifying, if it is different, verifying eventually
Only；
Selection successively acquires contrastive pattern, then whenever collecting fingerprint image, immediately begins to compare, and is confirmed whether and data
The fingerprint image stored in library is identical, if it is different, verifying terminates.
9. a kind of method for improving fingerprint recognition safety as claimed in claim 8, which is characterized in that in step S5, feature
Comparison process further includes that Characteristic Contrast interrupts process: if there is new fingerprint input during Characteristic Contrast, stopping this
Characteristic Contrast process simultaneously starts to receive new fingerprint input, restarts Characteristic Contrast mistake again after finishing to new fingerprint input
Journey.
10. a kind of fingerprint identification device for improving fingerprint recognition safety, which is characterized in that using any one of claim 1-9
A kind of method of raising fingerprint recognition safety carries out fingerprint recognition, and the fingerprint identification device includes:
Data storage cell forms database for storing the fingerprint image and Validation Mode of user；
Fingerprint collecting unit, for collecting the fingerprint image of user and acquiring the fingerprint image of person to be verified；
Characteristic Contrast unit, the fingerprint image stored in the fingerprint image and database for comparing person to be verified；
Manual operation unit sets Validation Mode for user, corresponding unlocking function or person to be verified is selected to select verifying
Mode；
Acoustic-optic indicator unit, for indicator light prompt, auditory tone cues and sound-light alarm when authentication failed in verification process.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111914607A (en) * | 2019-05-10 | 2020-11-10 | 聚睿电子股份有限公司 | Setting method, identification method and electronic device using the same |
| CN112419550A (en) * | 2020-11-06 | 2021-02-26 | 西南交通大学 | Combined fingerprint password system and operation method |
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| CN106878025A (en) * | 2017-04-24 | 2017-06-20 | 乐鑫信息科技（上海）有限公司 | Internet of Things controlling switch and method based on fingerprint recognition control of authority |
| CN107463925A (en) * | 2017-09-11 | 2017-12-12 | 信利光电股份有限公司 | A kind of fingerprint recognition module, electronic equipment |
| CN207133839U (en) * | 2017-09-11 | 2018-03-23 | 信利光电股份有限公司 | A kind of fingerprint recognition module, electronic equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111914607A (en) * | 2019-05-10 | 2020-11-10 | 聚睿电子股份有限公司 | Setting method, identification method and electronic device using the same |
| CN112419550A (en) * | 2020-11-06 | 2021-02-26 | 西南交通大学 | Combined fingerprint password system and operation method |
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