CN106951864A - A kind of fingerprint collecting method and device - Google Patents
A kind of fingerprint collecting method and device Download PDFInfo
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- CN106951864A CN106951864A CN201710166427.2A CN201710166427A CN106951864A CN 106951864 A CN106951864 A CN 106951864A CN 201710166427 A CN201710166427 A CN 201710166427A CN 106951864 A CN106951864 A CN 106951864A
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- China
- Prior art keywords
- fingerprint template
- collection
- fingerprint
- user
- sharpness
- Prior art date
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
Abstract
The embodiment of the invention discloses a kind of fingerprint collecting method and device.Wherein method includes：In the gatherer process of fingerprint template, the levels of sharpness of the user fingerprints information of fingerprint identification module collection is identified by；The fingerprint template times of collection of user is determined according to the levels of sharpness；User fingerprints information is gathered according to the fingerprint template times of collection, and determines the fingerprint template of the user.The embodiment of the present invention is solved in fixed times of collection, the unsharp user of fingerprint can not accurately obtain fingerprint template, or the user of fingerprint clear is due to the problem of fingerprint collecting number of times excessively increases operating burden etc., realize the accuracy for taking into account fingerprint template and improve the hommization and intellectuality of fingerprint template collection, improve Consumer's Experience.
Description
Technical field
The present embodiments relate to fingerprint identification technology, more particularly to a kind of fingerprint collecting method and device.
Background technology
The characteristics such as unchangeable property, uniqueness and convenience based on fingerprint, by way of fingerprint recognition user identity
Increasingly it is widely used in various equipment and scene.
, it is necessary to which the fingerprint of user to be acquired and store before by fingerprint identity recognition, it is easy to follow-up comparison
And identification.The fingerprint clear degree of different user is different, in order to ensure the accuracy of fingerprint collecting, current fingerprint collecting equipment
By gathering the finger print information of fixed number of times, usually 8 times or 12 times, in order to increase the degree of accuracy of fingerprint recognition, some refer to
Line collecting device forces increase fingerprint collecting number of times (such as 20 times).But, the above method can not completely solve user and refer to
Line is unintelligible to cause the problem of fingerprint collecting fails, while adding the operating burden of fingerprint clear user, causes Consumer's Experience
Difference.
The content of the invention
The present invention provides a kind of fingerprint collecting method and device, to realize the determination fingerprint collecting number of times of hommization.
In a first aspect, the embodiments of the invention provide a kind of fingerprint collecting method, this method includes：
In the gatherer process of fingerprint template, the definition of the user fingerprints information of fingerprint identification module collection is identified by
Grade；
The fingerprint template times of collection of user is determined according to the levels of sharpness；
User fingerprints information is gathered according to the fingerprint template times of collection, and determines the fingerprint template of the user.
Further, in the gatherer process of fingerprint template, it is identified by the user fingerprints letter of fingerprint identification module collection
The levels of sharpness of breath, including：
In the gatherer process of fingerprint template, it is identified by effectively special in the user fingerprints information of fingerprint identification module collection
Levy a quantity；
The definition of the user fingerprints information is determined according to the validity feature point quantity and predetermined level judgment rule
Grade.
Further, the fingerprint template times of collection of user is determined according to the readability, including：
If the levels of sharpness of the user fingerprints information is the first estate, it is determined that the fingerprint template times of collection is
First preset value；
If the levels of sharpness of the user fingerprints information is the second grade, it is determined that the fingerprint template times of collection is
Second preset value；
If the levels of sharpness of the user fingerprints information is the tertiary gradient, and the user fingerprints information gathered in real time is discontented
Sufficient fingerprint template determines condition, then increases the fingerprint template times of collection of the user, and increased fingerprint template times of collection
Less than or equal to the 3rd preset value；
Wherein described the first estate, second grade and the tertiary gradient are reduced successively, and first preset value,
Second preset value and the 3rd preset value increase successively.
Further, user fingerprints information is gathered according to the fingerprint template times of collection, and determines the finger of the user
Line template, including：
The fingerprint template of the user is selected from the user fingerprints information of collection, and determines the nothing in the fingerprint template
Imitate characteristic point；
Determine that corresponding other of invalid characteristic point have from the other users finger print information in addition to the fingerprint template
Imitate characteristic point；
The invalid characteristic point in the fingerprint template is substituted using other described validity feature points, to update the fingerprint mould
Plate.
Further, user fingerprints information is gathered according to the fingerprint template times of collection, and determines the finger of the user
Line template, including：
If the user fingerprints information collected is unsatisfactory for fingerprint template and determines condition, fingerprint template collection is re-executed
Operation.
Second aspect, the embodiment of the present invention additionally provides a kind of fingerprint acquisition device, and the device includes：
Levels of sharpness identification module, is adopted in the gatherer process of fingerprint template, being identified by fingerprint identification module
The levels of sharpness of the user fingerprints information of collection；
Times of collection determining module, the fingerprint template times of collection for determining user according to the levels of sharpness；
Fingerprint template determining module, for gathering user fingerprints information according to the fingerprint template times of collection, and is determined
The fingerprint template of the user.
Further, the levels of sharpness identification module includes：
Validity feature point recognition unit, is adopted in the gatherer process of fingerprint template, being identified by fingerprint identification module
Validity feature point quantity in the user fingerprints information of collection；
Levels of sharpness determining unit, for determining institute according to the validity feature point quantity and predetermined level judgment rule
State the levels of sharpness of user fingerprints information.
Further, the times of collection determining module specifically for：
If the levels of sharpness of the user fingerprints information is the first estate, it is determined that the fingerprint template times of collection is
First preset value；
If the levels of sharpness of the user fingerprints information is the second grade, it is determined that the fingerprint template times of collection is
Second preset value；
If the levels of sharpness of the user fingerprints information is the tertiary gradient, and the user fingerprints information gathered in real time is discontented
Sufficient fingerprint template determines condition, then increases the fingerprint template times of collection of the user, and increased fingerprint template times of collection
Less than or equal to the 3rd preset value；Wherein described the first estate, second grade and the tertiary gradient are reduced successively, and described
First preset value, second preset value and the 3rd preset value increase successively.
Further, the fingerprint template determining module includes：
Invalid characteristic point determining unit, the fingerprint template for selecting the user from the user fingerprints information of collection,
And determine the invalid characteristic point in the fingerprint template；
Feature Points Matching unit is described invalid for being determined from the other users finger print information in addition to the fingerprint template
Other corresponding validity feature points of characteristic point；
Fingerprint template updating block, for substituting the invalid spy in the fingerprint template using other described validity feature points
Levy a little, to update the fingerprint template.
Further, the fingerprint template determining module specifically for：
If the user fingerprints information collected is unsatisfactory for fingerprint template and determines condition, fingerprint template collection is re-executed
Operation.
The embodiment of the present invention is by the gatherer process of fingerprint template, the levels of sharpness of identifying user finger print information,
The fingerprint template times of collection of user is determined according to levels of sharpness, user fingerprints information is gathered and determines the fingerprint mould of user
Plate, instead of the fingerprint template collection that in the prior art all users are carried out with identical fixed number of times, solves and adopted in fixation
When collecting number of times, the unsharp user of fingerprint can not accurately obtain fingerprint template, or fingerprint clear user due to fingerprint collecting
The problem of number of times excessively increases operating burden etc., realizes the accuracy for taking into account fingerprint template and the people for improving fingerprint template collection
Propertyization and intellectuality, improve Consumer's Experience.
Brief description of the drawings
Fig. 1 is a kind of flow chart for fingerprint collecting method that the embodiment of the present invention one is provided；
Fig. 2 is a kind of flow chart for fingerprint collecting method that the embodiment of the present invention two is provided；
Fig. 3 is a kind of flow chart for fingerprint collecting method that the embodiment of the present invention three is provided；
Fig. 4 is a kind of structural representation for fingerprint acquisition device that the embodiment of the present invention four is provided.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention rather than entire infrastructure are illustrate only in description, accompanying drawing.
Embodiment one
Fig. 1 is a kind of flow chart for fingerprint collecting method that the embodiment of the present invention one is provided, and the present embodiment is applicable to
When fingerprint template is gathered, the situation of fingerprint collecting number of times is determined to hommization, this method can be by provided in an embodiment of the present invention
Fingerprint acquisition device is performed, and the device can be realized in the form of software and/or hardware, the device can and achievement there is fingerprint
In the terminal of identification function.Exemplary, the terminal for example can be fingerprint capturer, smart mobile phone or Intelligent worn device
Deng.This method is specifically included：
S110, in the gatherer process of fingerprint template, be identified by the user fingerprints information of fingerprint identification module collection
Levels of sharpness.
, it is necessary to by the fingerprint mould of the current finger print information of user and the user when by finger print information identifying user identity
Plate is compared, if current finger print information is matched with fingerprint template, can determine that the identity of user.Wherein, fingerprint template refers to
It is to gather to obtain by multiple finger print information, stores into fingerprint identification device, for being compared with the finger print information of user
It is right.
In the gatherer process of fingerprint template, because the finger print information definition of different user is different, cause fingerprint recognition
Module is different to the identification degree of the user fingerprints information of collection.Wherein, it can be due to congenital fingerprint that finger print information is unintelligible
Fingerprint is unintelligible caused by shallow, the abrasion day after tomorrow or sweat greasy dirt.
In the present embodiment, when fingerprint template is gathered, the finger print information gathered first is identified, according to the finger of user
Line information determines the levels of sharpness of user fingerprints information.Optionally, fingerprint identification module includes ultrasonic fingerprint sensor.It is super
Sound wave fingerprint sensor can be carried out depth analysis to fingerprint, can be stained with finger surface by ultrasonic scanning user fingerprints information
Ultrasonic wave sampling is carried out when there are the dirts such as sweat greasy dirt, or even is permeable to the 3D that user fingerprints are identified under skin surface
(Three Dimensions, 3-D graphic) feature, improves the degree of accuracy of finger print information collection.
S120, the fingerprint template times of collection for determining according to levels of sharpness user.
In the present embodiment, in order to avoid in the case of fixed fingerprint template times of collection, the unsharp user of fingerprint without
Method accurately obtains fingerprint template, or the user of fingerprint clear excessively increases asking for operating burden etc. due to fingerprint collecting number of times
Topic.The fingerprint template times of collection of user is determined according to the levels of sharpness of user fingerprints, the intelligence of fingerprint template collection is improved
Energyization and hommization, improve Consumer's Experience.
Exemplary, if user fingerprints definition is high, it is determined that the fingerprint template times of collection of user is less；If user refers to
Line definition is low, it is determined that the fingerprint template times of collection of user is more.
S130, user fingerprints information gathered according to fingerprint template times of collection, and determine the fingerprint template of user.
In the present embodiment, user fingerprints information is gathered according to the fingerprint template times of collection of determination successively, and according to collection
User fingerprints information determine the fingerprint template of user, the fingerprint template is recorded and stored, is easy to by the fingerprint mould
Plate carries out identification to the user.
The technical scheme of the present embodiment, by the gatherer process of fingerprint template, identifying user finger print information it is clear
Grade is spent, the fingerprint template times of collection of user is determined according to levels of sharpness, user fingerprints information is gathered and determines user's
Fingerprint template, instead of the fingerprint template collection that in the prior art all users are carried out with identical fixed number of times, solves
During fixed times of collection, the unsharp user of fingerprint can not accurately obtain fingerprint template, or fingerprint clear user due to referring to
The problem of line times of collection excessively increases operating burden etc., realizes the accuracy for taking into account fingerprint template and improves fingerprint template and adopt
The hommization of collection and intellectuality, improve Consumer's Experience.
On the basis of above-described embodiment, step S120 can also be：
If the levels of sharpness of user fingerprints information is the first estate, it is determined that fingerprint template times of collection is first default
Value；
If the levels of sharpness of user fingerprints information is the second grade, it is determined that fingerprint template times of collection is second default
Value；
If the levels of sharpness of user fingerprints information is the tertiary gradient, and the user fingerprints information gathered in real time is discontented with toe
Line template determines condition, then increases the fingerprint template times of collection of user, and increased fingerprint template times of collection is less than or equal to
3rd preset value；
Wherein the first estate, the second grade and the tertiary gradient are reduced successively, and the first preset value, the second preset value and the 3rd
Preset value increases successively.
In the present embodiment, the definition of finger print information is divided into Three Estate, fingerprint template collecting device and prestored
Levels of sharpness and the mapping relations of fingerprint template times of collection, fingerprint template times of collection can be obtained according to levels of sharpness.
Wherein, fingerprint template times of collection can be determined by the history times of collection of the user fingerprints template of different levels of sharpness.Show
Example property, the first preset value can be 8 times, and the second preset value can be 12 times, and the 3rd preset value can be 20 times.
In the present embodiment, when the levels of sharpness of user fingerprints information is the first estate or the second grade, to first
After the finger print information of collection is identified, fingerprint clear degree grade and fingerprint template times of collection are determined, according to the fingerprint of determination
Times of collection carries out the collection of fingerprint template.When the levels of sharpness of user fingerprints information is the tertiary gradient, show that user refers to
Line definition is relatively low, it is impossible to determine the times of collection of fingerprint, in the gatherer process of fingerprint template, the user of monitoring collection in real time
Whether finger print information meets fingerprint template and determines condition, if so, then stopping fingerprint template collection, otherwise, increases the fingerprint of user
Template times of collection, proceeds fingerprint template collection.Wherein, fingerprint template determines whether condition refers to current finger print information
Can as fingerprint template condition, exemplary, fingerprint template determines that condition can be the fingerprint that current finger print packet contains
The quantity of validity feature point meets default characteristic value, and the preset value for example can be 300.
Embodiment two
Fig. 2 is a kind of fingerprint acquisition device that the embodiment of the present invention two is provided, and on the basis of above-described embodiment one, enters one
Providing in the gatherer process of fingerprint template for step, is identified by the clear of the user fingerprints information that fingerprint identification module is gathered
Spend the method for grade.Accordingly, this method is specifically included：
S210, in the gatherer process of fingerprint template, be identified by fingerprint identification module collection user fingerprints information in
Validity feature point quantity.
In the present embodiment, the identification of finger print information refers to the identification of the validity feature point to being included in finger print information, its
In, validity feature point refer to including in user fingerprints information it is correct can effective identifying user identity characteristic point, for example
Starting point, terminal, crosspoint, turning point, breakpoint, isolated point and short grain of fingerprint etc. can be included.Each user's is above-mentioned
The combination of validity feature point is different, forms unique finger print information, can recognize that user identity.Wherein, in the knowledge to finger print information
When other, when typing fingerprint mode is incorrect or during unintelligible fingerprint, leads to not the characteristic point of effectively identification fingerprint, forms nothing
Imitate characteristic point, the invalid characteristic point None- identified user identity.
In the present embodiment, in the gatherer process of fingerprint template, the finger print information gathered first is identified, it is determined that should
The validity feature point quantity included in finger print information.
S220, definition of user fingerprints information etc. is determined according to validity feature point quantity and predetermined level judgment rule
Level.
Wherein, predetermined level judgment rule refers to the judgment rule of the levels of sharpness of finger print information, includes effective spy
The mapping relations of a quantity and finger print information levels of sharpness are levied, are pre-stored in fingerprint template collecting device, for determining effectively
The levels of sharpness of the corresponding finger print information of characteristic point quantity.Exemplary, validity feature point quantity is more, and levels of sharpness is got over
Height, otherwise validity feature point quantity is fewer, and levels of sharpness is lower.If validity feature point quantity is more than or equal to the first quantity,
The levels of sharpness for determining user fingerprints information is the first estate；If validity feature point quantity is less than the first quantity, and more than etc.
In the second quantity, it is determined that the levels of sharpness of user fingerprints information is the second grade；If validity feature point quantity is less than second
Quantity, it is determined that the levels of sharpness of user fingerprints information is the tertiary gradient, wherein, the first estate, the second grade and the are third
Level is reduced successively, and the first quantity is more than the second quantity.Exemplary, the first quantity can be 200, and the second quantity can be 100.
S230, the fingerprint template times of collection for determining according to levels of sharpness user.
S240, user fingerprints information gathered according to fingerprint template times of collection, and determine the fingerprint template of user.
The technical scheme of the present embodiment, by the way that in the gatherer process of fingerprint template, it is effective that identification finger print information is included
Characteristic point quantity, the levels of sharpness of user fingerprints information is determined according to validity feature point quantity and predetermined level judgment rule,
The fingerprint template times of collection of user is determined according to levels of sharpness, user fingerprints information is gathered and determines the fingerprint mould of user
Plate, instead of the fingerprint template collection that in the prior art all users are carried out with identical fixed number of times, solves and adopted in fixation
When collecting number of times, the unsharp user of fingerprint can not accurately obtain fingerprint template, or fingerprint clear user due to fingerprint collecting
The problem of number of times excessively increases operating burden etc., realizes the accuracy for taking into account fingerprint template and the people for improving fingerprint template collection
Propertyization and intellectuality, improve Consumer's Experience.
Optionally, step S230 can also be：
If the levels of sharpness of user fingerprints information is the first estate, it is determined that fingerprint template times of collection is first default
Value；
If the levels of sharpness of user fingerprints information is the second grade, it is determined that fingerprint template times of collection is second default
Value；
If the levels of sharpness of user fingerprints information is the tertiary gradient, and the user fingerprints information gathered in real time is discontented with toe
Line template determines condition, then increases the fingerprint template times of collection of user, and increased fingerprint template times of collection is less than or equal to
3rd preset value；
Wherein the first estate, the second grade and the tertiary gradient are reduced successively, and the first preset value, the second preset value and the 3rd
Preset value increases successively.
Embodiment three
Fig. 3 is a kind of flow chart for fingerprint collecting method that the embodiment of the present invention three is provided, on the basis of above-described embodiment
On, it is further to provide according to fingerprint template times of collection collection user fingerprints information, and determine the fingerprint template of user
Method.Accordingly, this method can specifically include：
S310, in the gatherer process of fingerprint template, be identified by the user fingerprints information of fingerprint identification module collection
Levels of sharpness.
S320, the fingerprint template times of collection for determining according to levels of sharpness user.
S330, from the user fingerprints information of collection select user fingerprint template, and determine it is invalid in fingerprint template
Characteristic point.
In the present embodiment, the collection of fingerprint template is carried out according to the fingerprint collecting number of times of determination, in the user fingerprints of collection
The fingerprint template that user is selected in information for example can be to randomly choose any one finger print information as fingerprint template, can also
It is the quantity for recognizing the validity feature point in each finger print information, the most finger print information of validity feature point quantity is defined as fingerprint
Template, can also be and regard the finger print information of first time collection as fingerprint template.It should be noted that when user fingerprints information
When levels of sharpness is the tertiary gradient, it is impossible to determine fingerprint template times of collection, using first time, the finger print information of collection is used as finger
Line template.
In the present embodiment, determine that the invalid characteristic point in fingerprint template includes determining invalid characteristic point quantity, and each nothing
Imitate relative position of the characteristic point in finger print information.
S340, determining from the other users finger print information in addition to fingerprint template invalid characteristic point, corresponding other are effectively special
Levy a little.
In the present embodiment, according to relative position of the invalid characteristic point in finger print information successively in its in addition to fingerprint template
The corresponding characteristic point of the invalid characteristic point is determined in his user fingerprints information, whether judge the corresponding characteristic point is validity feature
Point.If detecting the corresponding validity feature point of the invalid characteristic point in wherein one finger print information, stop to other fingerprints
The detection of information.
S350, using other validity feature points substitute fingerprint template in invalid characteristic point, to update fingerprint template.
In the present embodiment, in fingerprint template, the corresponding validity feature point of the invalid characteristic point detected is substituted into the nothing
Characteristic point is imitated, it is determined that the fingerprint template after updating.
It should be noted that when the levels of sharpness of user fingerprints information is the tertiary gradient, by the finger of first time collection
Line information determines the invalid characteristic point of fingerprint template as fingerprint template.N-th gather finger print information when (N be more than 1 and
Less than or equal to the positive integer of the 3rd preset value), determine that the invalid characteristic point of fingerprint template in current finger print information is corresponding effectively
Characteristic point, the invalid characteristic point in fingerprint template is substituted by the validity feature point, carries out the renewal of fingerprint template, and detects renewal
Whether fingerprint template meets fingerprint template and determines condition afterwards.Exemplary, fingerprint template validity feature point quantity after detection renewal
Whether satisfaction presets characteristic value, if so, then stopping the collection of finger print information, if it is not, then the fingerprint template of increase user is adopted
Collect number of times, continue to substitute the validity feature point in freshly harvested finger print information into the invalid characteristic point after renewal in fingerprint template.
The technical scheme of the present embodiment, by the gatherer process of fingerprint template, true according to finger print information definition
Fingerprint template is determined in the finger print information of fixed finger print information times of collection correspondence collection, the side replaced with correspondence validity feature point
Formula updates the invalid characteristic point in fingerprint template, generates final fingerprint template, improves the fingerprint template terminal degree of accuracy, improves
The hommization of fingerprint template collection with it is intelligent, improve Consumer's Experience.
On the basis of above-described embodiment, it can also include after step S350：
If the user fingerprints information collected is unsatisfactory for fingerprint template and determines condition, fingerprint template collection is re-executed
Operation.
In the present embodiment, after fingerprint template collection is completed, whether the validity feature point quantity in detection fingerprint template
Meet fingerprint template and determine condition, if so, then setting up the mapping relations of the fingerprint template and user identity, record and store；If
It is no, then the fingerprint template is abandoned, re-execute fingerprint template acquisition operations.
In the present embodiment, after the completion of fingerprint template collection, whether detection fingerprint template, which meets fingerprint template, determines condition,
Improve the degree of accuracy of fingerprint template.
Example IV
Fig. 4 is a kind of structural representation for fingerprint acquisition device that the embodiment of the present invention four is provided, and the device is applied to hold
Row fingerprint collecting method provided in an embodiment of the present invention.The device can specifically include：
Levels of sharpness identification module 410, in the gatherer process of fingerprint template, being identified by fingerprint identification module
The levels of sharpness of the user fingerprints information of collection；
Times of collection determining module 420, the fingerprint template times of collection for determining user according to levels of sharpness；
Fingerprint template determining module 430, for gathering user fingerprints information according to fingerprint template times of collection, and determines to use
The fingerprint template at family.
Optionally, levels of sharpness identification module 410 includes：
Validity feature point recognition unit 411, in the gatherer process of fingerprint template, being identified by fingerprint identification module
Validity feature point quantity in the user fingerprints information of collection；
Levels of sharpness determining unit 412, for determining to use according to validity feature point quantity and predetermined level judgment rule
The levels of sharpness of family finger print information.
Optionally, times of collection determining module 420 specifically for：
If the levels of sharpness of user fingerprints information is the first estate, it is determined that fingerprint template times of collection is first default
Value；
If the levels of sharpness of user fingerprints information is the second grade, it is determined that fingerprint template times of collection is second default
Value；
If the levels of sharpness of user fingerprints information is the tertiary gradient, and the user fingerprints information gathered in real time is discontented with toe
Line template determines condition, then increases the fingerprint template times of collection of user, and increased fingerprint template times of collection is less than or equal to
3rd preset value；Wherein the first estate, the second grade and the tertiary gradient are reduced successively, and the first preset value, the second preset value and
3rd preset value increases successively.
Optionally, fingerprint template determining module 430 includes：
Invalid characteristic point determining unit 431, the fingerprint template for selecting user from the user fingerprints information of collection, and
Determine the invalid characteristic point in fingerprint template；
Feature Points Matching unit 432, for determining invalid feature from the other users finger print information in addition to fingerprint template
Other corresponding validity feature points of point；
Fingerprint template updating block 433, for substituting the invalid characteristic point in fingerprint template using other validity feature points,
To update fingerprint template.
Optionally, fingerprint template determining module 430 specifically for：
If the user fingerprints information collected is unsatisfactory for fingerprint template and determines condition, fingerprint template collection is re-executed
Operation.
Fingerprint acquisition device provided in an embodiment of the present invention can perform the fingerprint collecting that any embodiment of the present invention is provided
Method, possesses the corresponding functional module of execution method and beneficial effect.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art it is various it is obvious change,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention is carried out by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more Equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of fingerprint collecting method, it is characterised in that including：
In the gatherer process of fingerprint template, definition of user fingerprints information of fingerprint identification module collection etc. is identified by
Level；
The fingerprint template times of collection of user is determined according to the levels of sharpness；
User fingerprints information is gathered according to the fingerprint template times of collection, and determines the fingerprint template of the user.
2. according to the method described in claim 1, it is characterised in that in the gatherer process of fingerprint template, be identified by fingerprint
The levels of sharpness of the user fingerprints information of identification module collection, including：
In the gatherer process of fingerprint template, validity feature point in the user fingerprints information of fingerprint identification module collection is identified by
Quantity；
The levels of sharpness of the user fingerprints information is determined according to the validity feature point quantity and predetermined level judgment rule.
3. method according to claim 1 or 2, it is characterised in that the fingerprint mould of user is determined according to the readability
Plate times of collection, including：
If the levels of sharpness of the user fingerprints information is the first estate, it is determined that the fingerprint template times of collection is first
Preset value；
If the levels of sharpness of the user fingerprints information is the second grade, it is determined that the fingerprint template times of collection is second
Preset value；
If the levels of sharpness of the user fingerprints information is the tertiary gradient, and the user fingerprints information gathered in real time is discontented with toe
Line template determines condition, then increases the fingerprint template times of collection of the user, and increased fingerprint template times of collection is less than
Equal to the 3rd preset value；
Wherein described the first estate, second grade and the tertiary gradient are reduced successively, and first preset value, described
Second preset value and the 3rd preset value increase successively.
4. according to the method described in claim 1, it is characterised in that user fingerprints are gathered according to the fingerprint template times of collection
Information, and the fingerprint template of the user is determined, including：
The fingerprint template of the user is selected from the user fingerprints information of collection, and determines the invalid spy in the fingerprint template
Levy a little；
Other corresponding effective spies of the invalid characteristic point are determined from the other users finger print information in addition to the fingerprint template
Levy a little；
The invalid characteristic point in the fingerprint template is substituted using other described validity feature points, to update the fingerprint template.
5. according to the method described in claim 1, it is characterised in that user fingerprints are gathered according to the fingerprint template times of collection
Information, and the fingerprint template of the user is determined, including：
If the user fingerprints information collected is unsatisfactory for fingerprint template and determines condition, fingerprint template collection behaviour is re-executed
Make.
6. a kind of fingerprint acquisition device, it is characterised in that including：
Levels of sharpness identification module, in the gatherer process of fingerprint template, being identified by fingerprint identification module collection
The levels of sharpness of user fingerprints information；
Times of collection determining module, the fingerprint template times of collection for determining user according to the levels of sharpness；
Fingerprint template determining module, for gathering user fingerprints information according to the fingerprint template times of collection, and is determined described
The fingerprint template of user.
7. device according to claim 6, it is characterised in that the levels of sharpness identification module includes：
Validity feature point recognition unit, in the gatherer process of fingerprint template, being identified by fingerprint identification module collection
Validity feature point quantity in user fingerprints information；
Levels of sharpness determining unit, for determining the use according to the validity feature point quantity and predetermined level judgment rule
The levels of sharpness of family finger print information.
8. the device according to claim 6 or 7, it is characterised in that the times of collection determining module specifically for：
If the levels of sharpness of the user fingerprints information is the first estate, it is determined that the fingerprint template times of collection is first
Preset value；
If the levels of sharpness of the user fingerprints information is the second grade, it is determined that the fingerprint template times of collection is second
Preset value；
If the levels of sharpness of the user fingerprints information is the tertiary gradient, and the user fingerprints information gathered in real time is discontented with toe
Line template determines condition, then increases the fingerprint template times of collection of the user, and increased fingerprint template times of collection is less than
Equal to the 3rd preset value；Wherein described the first estate, second grade and the tertiary gradient are reduced successively, and described first
Preset value, second preset value and the 3rd preset value increase successively.
9. device according to claim 6, it is characterised in that the fingerprint template determining module includes：
Invalid characteristic point determining unit, the fingerprint template for selecting the user from the user fingerprints information of collection, and really
Invalid characteristic point in the fixed fingerprint template；
Feature Points Matching unit, for determining the invalid feature from the other users finger print information in addition to the fingerprint template
Other corresponding validity feature points of point；
Fingerprint template updating block, for substituting the invalid feature in the fingerprint template using other described validity feature points
Point, to update the fingerprint template.
10. device according to claim 6, it is characterised in that the fingerprint template determining module specifically for：
If the user fingerprints information collected is unsatisfactory for fingerprint template and determines condition, fingerprint template collection behaviour is re-executed
Make.
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