CN107038367A - A kind of fingerprint identification method and mobile terminal - Google Patents
A kind of fingerprint identification method and mobile terminal Download PDFInfo
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- CN107038367A CN107038367A CN201710320736.0A CN201710320736A CN107038367A CN 107038367 A CN107038367 A CN 107038367A CN 201710320736 A CN201710320736 A CN 201710320736A CN 107038367 A CN107038367 A CN 107038367A
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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
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04886—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
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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
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1365—Matching; Classification
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- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Image Input (AREA)
- Collating Specific Patterns (AREA)
- Telephone Function (AREA)
Abstract
The present invention provides a kind of fingerprint identification method and mobile terminal, and this method includes：If detecting the first touch control operation to the first fingerprint recognition region, the first fingerprint image is gathered by the first fingerprint recognition region；If detecting the second touch control operation to the second fingerprint recognition region, the second fingerprint image is gathered by the second fingerprint recognition region；If the time interval between first touch control operation and second touch control operation is less than or equal to prefixed time interval, select at least one fingerprint image in first fingerprint image and second fingerprint image, the fingerprint image stored with the mobile terminal is matched, and can effectively reduce the false triggering probability of fingerprint recognition.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of fingerprint identification method and mobile terminal.
Background technology
With the fast development of science and technology, the function of mobile terminal is increasingly enriched, and it is more next that privacy concern also becomes people
More concern.Security, protects privacy in order to better improve, and fingerprint recognition is increasingly widely used in mobile terminal
In.
Existing fingerprint recognition includes scratch type fingerprint recognition, push type fingerprint recognition and touch screen fingerprint recognition,
Wherein, fingerprint identification function is integrated into the touch screen of mobile terminal by touch screen fingerprint recognition so that touch screen can be supported to refer to
Line is recognized.In existing fingerprint identification method, when finger touches fingerprint recognition region, that is, fingerprint recognition is triggered, cause to use
When family finger imprudence touches fingerprint recognition region, the probability of false triggering fingerprint recognition is higher.
The content of the invention
The embodiment of the present invention provides a kind of fingerprint identification method and mobile terminal, with solve false triggering fingerprint recognition probability compared with
High the problem of.
In a first aspect, the embodiments of the invention provide a kind of fingerprint identification method, this method includes：
If detecting the first touch control operation to the first fingerprint recognition region, gathered by the first fingerprint recognition region
First fingerprint image；
If detecting the second touch control operation to the second fingerprint recognition region, gathered by the second fingerprint recognition region
Second fingerprint image；
If the time interval between first touch control operation and second touch control operation is less than or equal to preset time
Interval, selects at least one fingerprint image in first fingerprint image and second fingerprint image, with the movement eventually
The fingerprint image of end storage is matched.
Second aspect, the embodiment of the present invention also provides a kind of mobile terminal, and the mobile terminal includes：
First acquisition module, for when detecting the first touch control operation to the first fingerprint recognition region, by described
First fingerprint recognition region gathers the first fingerprint image；
Second acquisition module, for when detecting the second touch control operation to the second fingerprint recognition region, by described
Second fingerprint recognition region gathers the second fingerprint image；
Matching module, be less than for the time interval between first touch control operation and second touch control operation or
During equal to prefixed time interval, at least one fingerprint image in first fingerprint image and second fingerprint image is selected
Picture, the fingerprint image stored with the mobile terminal is matched.
In the embodiment of the present invention, if detecting the first touch control operation to the first fingerprint recognition region, pass through described first
Fingerprint recognition region gathers the first fingerprint image；If detecting the second touch control operation to the second fingerprint recognition region, pass through institute
State the second fingerprint recognition region and gather the second fingerprint image；If between first touch control operation and second touch control operation
Time interval is less than or equal to prefixed time interval, selects in first fingerprint image and second fingerprint image at least
One fingerprint image, the fingerprint image stored with the mobile terminal is matched.So, mobile terminal is judging described first
Time interval between touch control operation and second touch control operation is less than or equal to after prefixed time interval, selection described first
At least one fingerprint image in fingerprint image and second fingerprint image, the fingerprint image stored with the mobile terminal enters
Row matching, so that when effectively reduction finger imprudence touches fingerprint recognition region, the probability of false triggering fingerprint recognition.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed for description of the embodiment of the present invention
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, it can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of flow chart of fingerprint identification method provided in an embodiment of the present invention；
Fig. 2 is the flow chart of another fingerprint identification method provided in an embodiment of the present invention；
Fig. 3 is the flow chart of another fingerprint identification method provided in an embodiment of the present invention；
Fig. 4 is a kind of structure chart of mobile terminal provided in an embodiment of the present invention；
Fig. 5 is the structure chart of another mobile terminal provided in an embodiment of the present invention；
Fig. 6 is the structure chart of another mobile terminal provided in an embodiment of the present invention；
Fig. 7 is the structure chart of another mobile terminal provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is a kind of flow chart of fingerprint identification method provided in an embodiment of the present invention, applied to mobile whole
End is, it is necessary to which explanation, the fingerprint that not limiting mobile terminal of the invention is carried out in the mode of fingerprint recognition, the embodiment of the present invention is known
Other method is applicable not only to support the mobile terminal of touch screen fingerprint recognition, while being equally applicable to support ultrasonic fingerprint identification
Mobile terminal, but be not limited only to this.
As shown in figure 1, comprising the following steps：
If step 101, detecting the first touch control operation to the first fingerprint recognition region, pass through first fingerprint recognition
Region gathers the first fingerprint image.
In the step, the first fingerprint recognition region can be region or physical button in touch screen, but not only
It is limited to this.In the embodiment of the present invention, user can be realized to the touch control operation of mobile terminal by the way that finger is pressed into touch screen,
First operation can be regarded as user to make mobile terminal perform predetermined registration operation, and first time finger pressing is carried out to touch screen.
Mobile terminal can in activation system or after, start the fingerprint identification function in fingerprint recognition region, and actively examine
Whether survey has finger to be pressed into fingerprint recognition region.Specifically, mobile terminal can be by detecting fingerprint recognition region parameter
It is no to change to determine whether that finger is pressed into fingerprint recognition region, such as：When mobile terminal detects fingerprint recognition region
Parameter changes, then can be determined that finger is pressed into fingerprint recognition region, wherein, parameter can be capacitance, magnitude of voltage,
Inductance value or temperature value, but it is not limited only to this.
If the first fingerprint recognition region of mobile terminal detects the first touch control operation, optical identification, electric capacity can be passed through
The technology identification image such as sensor, biological radio frequency.By taking optical recognition as an example, light emitting devices transmitting light is integrated in the
Fingerprint sensor in one fingerprint recognition region carries out " clapping through the glass of touch screen using pinhole imaging system principle to the object
According to " identification, gather the first fingerprint image.
If step 102, detecting the second touch control operation to the second fingerprint recognition region, pass through second fingerprint recognition
Region gathers the second fingerprint image.
In the step, the second finger-print region can be the same area with the first finger-print region, or different zones, should
Second touch control operation can be regarded as user to make mobile terminal perform predetermined registration operation, and second of finger pressing is carried out to touch screen,
So that mobile terminal is when detecting the second touch control operation, the second fingerprint image is gathered by the second fingerprint recognition region.
The specific description that can refer in step 101, will not be repeated here.
If the time interval between step 103, first touch control operation and second touch control operation is less than or equal to
Prefixed time interval, selects at least one fingerprint image in first fingerprint image and second fingerprint image, with institute
The fingerprint image for stating mobile terminal storage is matched.
In the step, mobile terminal can be recorded when detecting the first touch control operation to the first fingerprint recognition region
User performs the time that the time of the first touch control operation, i.e. user press the first fingerprint recognition region；Refer to detecting to second
During the second touch control operation of line identification region, record user performs the time of the second touch control operation, i.e. user and presses the second fingerprint
The time of identification region.Mobile terminal can also be recorded after the first touch control operation to the first fingerprint recognition region is detected
Current time, i.e. user lift time during finger after the first fingerprint recognition region is pressed, and the second fingerprint is known detecting
During second touch control operation in other region, record user performs the time of the second touch control operation, i.e. user and presses the second fingerprint recognition
The time in region.But this is not limited only to, so that by judging between first touch control operation and second touch control operation
Whether time interval is less than or equal to prefixed time interval, determines whether that first touch control operation is grasped with second touch-control
Whether it is that user is mobile terminal is performed predetermined registration operation, and the complete fingerprint recognition performed is operated.Wherein, preset time
Interval can be pre-set by user according to itself use habit, such as 0.1 second, 0.5 second, can specifically be determined according to actual needs,
It is not limited thereto.
Time interval between first touch control operation and second touch control operation is more than prefixed time interval, judges
First operation and the second operation are not that user is to make mobile terminal execution predetermined registration operation, and the complete fingerprint recognition behaviour performed
Make, fingerprint recognition operation in the middle of occurs in that interruptions, the probability for belonging to user misoperation is larger, thus abandon the first fingerprint image and
The matching of second fingerprint image, and re-execute step 101.
If the time interval between first touch control operation and second touch control operation is less than or equal to preset time
Interval, it is possible to determine that the time interval between first touch control operation and second touch control operation is complete fingerprint recognition
Operation, selects at least one fingerprint image in first fingerprint image and second fingerprint image, with the movement eventually
The fingerprint image of end storage is matched.Specifically, it can select what first fingerprint image was stored with the mobile terminal
Fingerprint image is matched, and second fingerprint image can also be selected to be matched with the fingerprint image that the mobile terminal is stored, also may be used
To select first fingerprint image and second fingerprint image, the fingerprint image stored respectively with the mobile terminal is carried out
Matching.
It should be noted that the embodiment of the present invention can directly store the fingerprint image of collection, and by the fingerprint image with
The fingerprint image of mobile terminal storage is matched or not stored directly the fingerprint image of collection, but from the fingerprint
Characteristics of image is extracted in image, and the fingerprint characteristic for the fingerprint image that the characteristics of image is stored with mobile terminal is matched,
But it is not limited only to this.
If at least one fingerprint image of the selection matches unsuccessful, weight with the fingerprint image that the mobile terminal is stored
It is new to perform step 101.
It is mobile if the match is successful for the fingerprint image that at least one fingerprint image of the selection is stored with the mobile terminal
Terminal performs predetermined registration operation.Specifically, matched corresponding to the fingerprint image stored with the mobile terminal of foregoing selection
Fingerprint image, if the match is successful for the fingerprint image that stores of first fingerprint image and the mobile terminal, or described the
The match is successful for the fingerprint image that two fingerprint images are stored with the mobile terminal, or first fingerprint image and described second
Fingerprint image, the match is successful for the fingerprint image stored with the mobile terminal, performs predetermined registration operation.Wherein, predetermined registration operation can
, specifically can be according to reality to be that unblock is operated or delivery operation or decryption oprerations or register
Border needs to determine, is not limited thereto.
In the embodiment of the present invention, mobile terminal can be mobile phone, tablet personal computer (Tablet Personal Computer),
Laptop computer (Laptop Computer), personal digital assistant (personal digital assistant, abbreviation PDA),
Mobile Internet access device (Mobile Internet Device, MID) or wearable device (Wearable Device) etc..
The fingerprint identification method of the present embodiment, if detecting the first touch control operation to the first fingerprint recognition region, passes through
The first fingerprint recognition region gathers the first fingerprint image；If detecting the second touch-control behaviour to the second fingerprint recognition region
Make, the second fingerprint image is gathered by the second fingerprint recognition region；If first touch control operation and second touch-control
Time interval between operation is less than or equal to prefixed time interval, selects first fingerprint image and second fingerprint image
At least one fingerprint image as in, the fingerprint image stored with the mobile terminal is matched.So, mobile terminal is being sentenced
Fixed time interval between first touch control operation and second touch control operation is less than or equal to after prefixed time interval, choosing
At least one fingerprint image in first fingerprint image and second fingerprint image is selected, is stored with the mobile terminal
Fingerprint image is matched, so that when effectively reduction finger imprudence touches fingerprint recognition region, false triggering fingerprint recognition
Probability.
Referring to Fig. 2, Fig. 2 is the flow chart of another fingerprint identification method provided in an embodiment of the present invention, the present embodiment with
The main distinction of above-described embodiment is, to it is above-mentioned be that method in embodiment has made further restriction, be specially：The inspection
After measuring the first touch control operation to the first fingerprint recognition region, in addition to：It will be recorded as the first moment current time；It is described
After detecting the second touch control operation to the second fingerprint recognition region, in addition to：When will be recorded as second at current time
Carve；If the time interval between first touch control operation and second touch control operation is less than or equal between preset time
Every at least one fingerprint image in selection first fingerprint image and second fingerprint image, with the mobile terminal
The fingerprint image of storage is matched, including：If the time interval between first moment and second moment be less than or
Equal to prefixed time interval, at least one fingerprint image in first fingerprint image and second fingerprint image is selected,
The fingerprint image stored with the mobile terminal is matched.
As shown in Fig. 2 comprising the following steps：
If step 201, detecting the first touch control operation to the first fingerprint recognition region, current time first will be recorded as
At the moment, the first fingerprint image is gathered by the first fingerprint recognition region.
In the step, the step 101 in above-described embodiment is different from, mobile terminal is being detected to the first fingerprint identification area
After first touch control operation in domain, it will be recorded as the first moment current time.Wherein, the current time can be that finger is pressed against
The time that the time in one fingerprint recognition region or finger are lifted from the first fingerprint recognition region, specifically can be according to reality
Need to determine, be not limited thereto.Furthermore, it is contemplated that under different scenes, finger is pressed against the time in the first fingerprint recognition region
It may differ, therefore, mobile terminal can record for the first moment when finger is lifted by programs such as clock or timers.This
Sample, the time interval between first moment and second moment can accurately more react the practical operation behavior of user.
If step 202, detecting the second touch control operation to the second fingerprint recognition region, current time second will be recorded as
At the moment, the second fingerprint image is gathered by the second fingerprint recognition region.
In the step, the step 102 in above-described embodiment is different from, wherein, the current time can be that finger is pressed against
The time that the time in the second fingerprint recognition region or finger are lifted from the second fingerprint recognition region, specifically can be according to reality
Border needs to determine, is not limited thereto.Furthermore, it is contemplated that under different scenes, finger be pressed against the second fingerprint recognition region when
Between may differ, therefore, mobile terminal can when finger is lifted, pass through the programs such as clock or timer record the second moment.
So, the time interval between first moment and second moment can accurately more react the practical operation row of user
For.
If the time interval between step 203, first moment and second moment is less than or equal to preset time
Interval, selects at least one fingerprint image in first fingerprint image and second fingerprint image, with the movement eventually
The fingerprint image of end storage is matched.
The step is similar with the step 103 described in above-described embodiment, specifically can refer to retouching for step 103 in above-described embodiment
State, will not be repeated here.
The fingerprint identification method of the present embodiment, ought if detecting the first touch control operation to the first fingerprint recognition region
The preceding moment was recorded as the first moment, and the first fingerprint image is gathered by the first fingerprint recognition region；If detecting to second
Second touch control operation in fingerprint recognition region, will be recorded as the second moment current time, pass through the second fingerprint recognition region
Gather the second fingerprint image；If the time interval between first moment and second moment is less than or equal to preset time
Interval, selects at least one fingerprint image in first fingerprint image and second fingerprint image, with the movement eventually
The fingerprint image of end storage is matched.So, mobile terminal was judged between first moment and second moment
Time interval is less than or equal to after prefixed time interval, selects in first fingerprint image and second fingerprint image extremely
A few fingerprint image, the fingerprint image stored with the mobile terminal is matched, so that effectively reduction finger imprudence is touched
When encountering fingerprint recognition region, the probability of false triggering fingerprint recognition.
Optionally, the first fingerprint recognition region and the touch-control that the second fingerprint recognition region is the mobile terminal
The same area on screen.
Wherein, touch screen supports fingerprint identification function, i.e., be integrated with fingerprint sensor in touch screen to touch in user
During to touch screen, fingerprint image is acquired.The first fingerprint recognition region and the second fingerprint recognition region are institute
Stating the same area on the touch screen of mobile terminal, i.e. user needs to carry out continuous pressing twice in the same area or clicks on, and moves
Dynamic terminal is only possible to perform predetermined registration operation, when touching fingerprint recognition region so as to further effectively reduce finger imprudence,
The probability of false triggering fingerprint recognition.
Optionally, if first touch control operation detected to the first fingerprint recognition region, passes through described first
Fingerprint recognition region is gathered after the first fingerprint image, in the selection first fingerprint image and second fingerprint image
At least one fingerprint image, with the mobile terminal store fingerprint image matched before, methods described also includes：
Judge whether the characteristic information of first fingerprint image meets preset requirement；
If second touch control operation detected to the second fingerprint recognition region, passes through second fingerprint recognition
Region is gathered after the second fingerprint image, and at least one in the selection first fingerprint image and second fingerprint image
Individual fingerprint image, before the fingerprint image stored with the mobile terminal is matched, methods described also includes：
Judge whether the characteristic information of second fingerprint image meets preset requirement；
Described at least one fingerprint image selected in first fingerprint image and second fingerprint image, it is and described
The fingerprint image of mobile terminal storage is matched, including：
When the characteristic information of first fingerprint image meets preset requirement, and the characteristic information of second fingerprint image
When meeting preset requirement, at least one fingerprint image in first fingerprint image and second fingerprint image is selected, with
The fingerprint image of the mobile terminal storage is matched.
In the step, it is contemplated that fingerprint image is only when characteristic information meets preset requirement, and this time finger pressing is only
Once effectively pressing, therefore after the first fingerprint image is gathered by the first fingerprint recognition region, it can be determined that it is described
Whether the characteristic information of the first fingerprint image meets preset requirement；Second fingerprint is being gathered by the second fingerprint recognition region
After image, judge whether the characteristic information of second fingerprint image meets preset requirement.Wherein, characteristic information can with but not
It is only limitted to include the one or more of herein below：The signal to noise ratio of image, the effective area of image, the gray value of image, image
Effective minutia, the pixel value of image etc., preset requirement may correspond to the characteristic information of fingerprint image, according to actual needs
Pre-set.
When the characteristic information of first fingerprint image meets preset requirement, and the characteristic information of second fingerprint image
When meeting preset requirement, step 203 is performed；If the characteristic information of first fingerprint image or second fingerprint image
Characteristic information does not meet preset requirement, illustrates that pressing is not once effectively to press, fingerprint recognition is very likely unsuccessful, holds again
Row step 201, so as to save the time of fingerprint recognition.
It should be noted that the step may be equally applied to above-described embodiment.
Optionally, whether the characteristic information for judging first fingerprint image meets preset requirement, including following interior
At least one of in appearance：
Judge whether the signal to noise ratio of first fingerprint image is more than the first preset value；
Judge whether the effective area of first fingerprint image is more than the second preset value；
Judge whether the gray value of first fingerprint image is more than the 3rd preset value；
Judge whether the characteristic information of second fingerprint image meets at least one in preset requirement, including herein below
：
Judge whether the signal to noise ratio of second fingerprint image is more than the first preset value；
Judge whether the effective area of second fingerprint image is more than the second preset value；
Judge whether the gray value of second fingerprint image is more than the 3rd preset value.
In the step, the first preset value, the second preset value and the 3rd preset value can be configured according to actual needs,
This is not construed as limiting.It should be understood that whether the characteristic information for judging first fingerprint image meets preset requirement not
It is only limitted to upper type.
Referring to Fig. 3, Fig. 3 is the flow chart of another fingerprint identification method provided in an embodiment of the present invention, as shown in figure 3,
Comprise the following steps：
Step 301, the fingerprint identification function for starting fingerprint recognition region.
In the step, mobile terminal can in activation system or after, start the fingerprint identification function in fingerprint recognition region,
And whether active detecting has finger to be pressed into fingerprint recognition region.Specifically, mobile terminal can be by detecting fingerprint identification area
Whether field parameter changes to determine whether that finger is pressed into fingerprint recognition region, such as：When mobile terminal detects fingerprint
Identification region parameter changes, then can be determined that finger is pressed into fingerprint recognition region.Wherein, parameter can be electric capacity
Value, magnitude of voltage, inductance value or temperature value, but it is not limited only to this.
If step 302, detecting the first touch control operation to the first fingerprint recognition region, pass through first fingerprint recognition
Region gathers the first fingerprint image.
If step 303, detecting the first touch control operation and terminating, it will be recorded as the first moment current time, and judge described
Whether the characteristic information of the first fingerprint image meets preset requirement.
In the step, it is contemplated that under different scenes, the time that finger is pressed against fingerprint recognition region may differ, because
This, after the first fingerprint image is collected, determines whether whether first touch control operation terminates, i.e., user is being pressed into
Whether finger is lifted behind one fingerprint recognition region, after finger is lifted, the first moment was recorded by programs such as clock or timers.
So, the time interval between first moment and second moment can accurately more react the practical operation row of user
For.
If the characteristic information of first fingerprint image meets preset requirement, step 304 is performed；If first fingerprint image
The characteristic information of picture does not meet preset requirement, re-executes step 302.
If step 304, detecting the second touch control operation to the second fingerprint recognition region, current time second will be recorded as
At the moment, the second fingerprint image is gathered by the second fingerprint recognition region, and judge the feature letter of second fingerprint image
Whether breath meets preset requirement.
If the characteristic information of second fingerprint image meets preset requirement, step 305 is performed；If second fingerprint image
The characteristic information of picture does not meet preset requirement, re-executes step 302.
Step 305, when judging that time interval between first moment and second moment is less than or equal to default
Between be spaced.
If the time interval between first moment and second moment is less than or equal to prefixed time interval, perform
Step 306；If the time interval between first moment and second moment is more than prefixed time interval, step is re-executed
Rapid 302.
Step 306, first fingerprint image matched with the fingerprint image that the mobile terminal is stored, and judged
Whether the match is successful.
If the match is successful for the fingerprint image that first fingerprint image is stored with the mobile terminal, step 307 is performed；If
First fingerprint image matches unsuccessful with the fingerprint image that the mobile terminal is stored, and re-executes step 302.
Step 307, second fingerprint image matched with the fingerprint image that the mobile terminal is stored, and judged
Whether the match is successful.
If the match is successful for the fingerprint image that second fingerprint image is stored with the mobile terminal, it can determine that user performs
First touch control operation and the second touch control operation, so that mobile terminal performs predetermined registration operation, therefore perform step 308；If described
Two fingerprint images match unsuccessful with the fingerprint image that the mobile terminal is stored, and re-execute step 302.
Step 308, execution predetermined registration operation.
In the step, predetermined registration operation can be that unblock is operated or delivery operation or decryption oprerations,
Operation can be logged on, specifically can according to actual needs determine, be not limited thereto.
It should be noted that the content in the present embodiment can suitably refer to the description in above-described embodiment, no longer go to live in the household of one's in-laws on getting married herein
State.
The fingerprint identification method of the present embodiment, mobile terminal divides the first fingerprint image and the second fingerprint image of collection
Do not matched with the fingerprint image of storage, and when the match is successful for both of which, trigger fingerprint recognition, can further improve and refer to
The reliability and security of line identification.
Referring to Fig. 4, Fig. 4 is a kind of structure chart of mobile terminal provided in an embodiment of the present invention, as shown in figure 4, mobile whole
End 400 includes：First acquisition module 401, the second acquisition module 402 and matching module 403.
Wherein, the first acquisition module 401, for when detecting the first touch control operation to the first fingerprint recognition region,
First fingerprint image is gathered by the first fingerprint recognition region；
Second acquisition module 402, for when detecting the second touch control operation to the second fingerprint recognition region, passing through institute
State the second fingerprint recognition region and gather the second fingerprint image；
Matching module 403 is small for the time interval between first touch control operation and second touch control operation
When prefixed time interval, at least one fingerprint in first fingerprint image and second fingerprint image is selected
Image, the fingerprint image stored with the mobile terminal is matched.
Optionally, the first fingerprint recognition region and the touch-control that the second fingerprint recognition region is the mobile terminal
The same area on screen.
Optionally, as shown in figure 5, the first acquisition module 401 also includes：
First logging modle 404, ought for after the first touch control operation to the first fingerprint recognition region is detected
The preceding moment was recorded as the first moment；
Second logging modle 405, for after the second touch control operation to the second fingerprint recognition region is detected,
It will be recorded as the second moment current time；
Matching module 403, be less than specifically for the time interval between first moment and second moment or
During equal to prefixed time interval, at least one fingerprint image in first fingerprint image and second fingerprint image is selected
Picture, the fingerprint image stored with the mobile terminal is matched.
Optionally, as shown in fig. 6, mobile terminal 400 also includes：
First judge module 406, for judging whether the characteristic information of first fingerprint image meets preset requirement；
Second judge module 407, for judging whether the characteristic information of second fingerprint image meets preset requirement；
Matching module 403, specifically for meeting preset requirement, and described when the characteristic information of first fingerprint image
When the characteristic information of two fingerprint images meets preset requirement, select in first fingerprint image and second fingerprint image
At least one fingerprint image, the fingerprint image stored with the mobile terminal is matched.
Optionally, the first judge module 406, specifically for performing at least one in following operate：
Judge whether the signal to noise ratio of first fingerprint image is more than the first preset value；
Judge whether the effective area of first fingerprint image is more than the second preset value；
Judge whether the gray value of first fingerprint image is more than the 3rd preset value；
Second judge module 407, specifically for performing at least one in following operate：
Judge whether the signal to noise ratio of second fingerprint image is more than the first preset value；
Judge whether the effective area of second fingerprint image is more than the second preset value；
Judge whether the gray value of second fingerprint image is more than the 3rd preset value.
Mobile terminal 400 can realize each process in Fig. 1 to Fig. 3 embodiment of the method, to avoid repeating, here not
Repeat again.
The mobile terminal of the embodiment of the present invention, if detecting the first touch control operation to the first fingerprint recognition region, passes through
The first fingerprint recognition region gathers the first fingerprint image；If detecting the second touch-control behaviour to the second fingerprint recognition region
Make, the second fingerprint image is gathered by the second fingerprint recognition region；If first touch control operation and second touch-control
Time interval between operation is less than or equal to prefixed time interval, selects first fingerprint image and second fingerprint image
At least one fingerprint image as in, the fingerprint image stored with the mobile terminal is matched.So, mobile terminal is being sentenced
Fixed time interval between first touch control operation and second touch control operation is less than or equal to after prefixed time interval, choosing
At least one fingerprint image in first fingerprint image and second fingerprint image is selected, is stored with the mobile terminal
Fingerprint image is matched, so that when effectively reduction finger imprudence touches fingerprint recognition region, false triggering fingerprint recognition
Probability.
Referring to Fig. 7, Fig. 7 is the structure chart of another mobile terminal provided in an embodiment of the present invention, as shown in fig. 7, mobile
Terminal 700 includes：At least one processor 701, memory 702, at least one network interface 704 and user interface 703.It is mobile
Each component in terminal 700 is coupled by bus system 705.It is understood that bus system 705 is used to realize these groups
Connection communication between part.Bus system 705 is in addition to including data/address bus, in addition to power bus, controlling bus and state
Signal bus.But for the sake of clear explanation, various buses are all designated as bus system 705 in the figure 7.Mobile terminal 700
Also include fingerprint recognition region 706, fingerprint identification function is supported in fingerprint recognition region 706, can be the region in touch screen,
It can be physical button.In addition, fingerprint recognition region 706 is connected by bus system 705 with each component of mobile terminal.
Wherein, user interface 703 can include display, keyboard or pointing device (for example, mouse, trace ball
(track ball), touch-sensitive plate or touch-screen etc..
It is appreciated that the memory 702 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
Or may include both volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read-only storage (Read-
Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable
Device (Erasable P ROM, EPROM), Electrically Erasable Read Only Memory (Electrically EP ROM, EEPROM)
Or flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), and it is used as outside
Cache.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM
(Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(Synchronous D RAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate
SD RAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SD RAM, ESDRAM), synchronous connect
Connect dynamic random access memory (Synch link D RAM, SLDRAM) and direct rambus random access memory
(Direct Rambus RAM, DRRAM).The memory 702 of system and method described herein be intended to including but not limited to these
With the memory of any other suitable type.
In some embodiments, memory 702 stores following element, can perform module or data structure, or
Their subset of person, or their superset：Operating system 7021 and application program 7022.
Wherein, operating system 7021, comprising various system programs, such as ccf layer, core library layer, driving layer, are used for
Realize various basic businesses and handle hardware based task.Application program 7022, includes various application programs, such as media
Player (Media Player), browser (Browser) etc., for realizing various applied business.Realize the embodiment of the present invention
The program of method may be embodied in application program 7022.
In embodiments of the present invention, by calling program or the instruction of the storage of memory 702, specifically, can be application
The program stored in program 7022 or instruction, processor 701 are used for：
If detecting the first touch control operation to the first fingerprint recognition region, gathered by the first fingerprint recognition region
First fingerprint image；
If detecting the second touch control operation to the second fingerprint recognition region, gathered by the second fingerprint recognition region
Second fingerprint image；
If the time interval between first touch control operation and second touch control operation is less than or equal to preset time
Interval, selects at least one fingerprint image in first fingerprint image and second fingerprint image, with the movement eventually
The fingerprint image of end storage is matched.
The method that the embodiments of the present invention are disclosed can apply in processor 701, or be realized by processor 701.
Processor 701 is probably a kind of IC chip, the disposal ability with signal.In implementation process, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 701 or the instruction of software form.Above-mentioned processing
Device 701 can be general processor, digital signal processor (Digital Signal Processor, DSP), special integrated electricity
Road (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field
Programmable Gate Array, FPGA) or other PLDs, discrete gate or transistor logic,
Discrete hardware components.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general
Processor can be microprocessor or the processor can also be any conventional processor etc..With reference to institute of the embodiment of the present invention
The step of disclosed method, can be embodied directly in hardware decoding processor and perform completion, or with the hardware in decoding processor
And software module combination performs completion.Software module can be located at random access memory, and flash memory, read-only storage may be programmed read-only
In the ripe storage medium in this area such as memory or electrically erasable programmable memory, register.The storage medium is located at
Memory 702, processor 701 reads the information in memory 702, the step of completing the above method with reference to its hardware.
It is understood that embodiments described herein can with hardware, software, firmware, middleware, microcode or its
Combine to realize.Realized for hardware, processing unit can be realized in one or more application specific integrated circuit (Application
Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing,
DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable Logic
Device, PLD), field programmable gate array (Field-Programmable Gate Array, FPGA), general processor,
In controller, microcontroller, microprocessor, other electronic units for performing herein described function or its combination.
Realize, can be realized by performing the module (such as process, function) of function described herein herein for software
Described technology.Software code is storable in memory and by computing device.Memory can within a processor or
Realized outside processor.
Optionally, the first fingerprint recognition region and the touch-control that the second fingerprint recognition region is the mobile terminal
The same area on screen.
Optionally, processor 701 perform it is described detect the first touch control operation to the first fingerprint recognition region after, institute
State by the way that before the first fingerprint image of the first fingerprint recognition region collection, methods described also includes：
It will be recorded as the first moment current time；
It is described detect the second touch control operation to the second fingerprint recognition region after, it is described to refer to by described second
Line identification region is gathered before the second fingerprint image, and methods described also includes：
It will be recorded as the second moment current time；
If the time interval between first touch control operation and second touch control operation is less than or equal to default
Time interval, selects at least one fingerprint image in first fingerprint image and second fingerprint image, is moved with described
The fingerprint image of dynamic terminal storage is matched, including：
If the time interval between first moment and second moment is less than or equal to prefixed time interval, selection
At least one fingerprint image in first fingerprint image and second fingerprint image, the finger stored with the mobile terminal
Print image is matched.
Optionally, if processor 701 performs first touch control operation detected to the first fingerprint recognition region,
After the first fingerprint image being gathered by the first fingerprint recognition region, the selection first fingerprint image and described the
At least one fingerprint image in two fingerprint images, it is described before the fingerprint image stored with the mobile terminal is matched
Method also includes：
Judge whether the characteristic information of first fingerprint image meets preset requirement；
If second touch control operation detected to the second fingerprint recognition region, passes through second fingerprint recognition
Region is gathered after the second fingerprint image, and at least one in the selection first fingerprint image and second fingerprint image
Individual fingerprint image, before the fingerprint image stored with the mobile terminal is matched, methods described also includes：
Judge whether the characteristic information of second fingerprint image meets preset requirement；
Described at least one fingerprint image selected in first fingerprint image and second fingerprint image, it is and described
The fingerprint image of mobile terminal storage is matched, including：
When the characteristic information of first fingerprint image meets preset requirement, and the characteristic information of second fingerprint image
When meeting preset requirement, at least one fingerprint image in first fingerprint image and second fingerprint image is selected, with
The fingerprint image of the mobile terminal storage is matched.
Optionally, processor 701 performs whether the characteristic information for judging first fingerprint image meets default want
At least one of ask, including in herein below：
Judge whether the signal to noise ratio of first fingerprint image is more than the first preset value；
Judge whether the effective area of first fingerprint image is more than the second preset value；
Judge whether the gray value of first fingerprint image is more than the 3rd preset value；
Judge whether the characteristic information of second fingerprint image meets at least one in preset requirement, including herein below
：
Judge whether the signal to noise ratio of second fingerprint image is more than the first preset value；
Judge whether the effective area of second fingerprint image is more than the second preset value；
Judge whether the gray value of second fingerprint image is more than the 3rd preset value.
Mobile terminal 700 can realize each process in preceding method embodiment, to avoid repeating, no longer go to live in the household of one's in-laws on getting married here
State.
The mobile terminal of the embodiment of the present invention, if detecting the first touch control operation to the first fingerprint recognition region, passes through
The first fingerprint recognition region gathers the first fingerprint image；If detecting the second touch-control behaviour to the second fingerprint recognition region
Make, the second fingerprint image is gathered by the second fingerprint recognition region；If first touch control operation and second touch-control
Time interval between operation is less than or equal to prefixed time interval, selects first fingerprint image and second fingerprint image
At least one fingerprint image as in, the fingerprint image stored with the mobile terminal is matched.So, mobile terminal is being sentenced
Fixed time interval between first touch control operation and second touch control operation is less than or equal to after prefixed time interval, choosing
At least one fingerprint image in first fingerprint image and second fingerprint image is selected, is stored with the mobile terminal
Fingerprint image is matched, so that when effectively reduction finger imprudence touches fingerprint recognition region, false triggering fingerprint recognition
Probability.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In embodiment provided herein, it should be understood that disclosed apparatus and method, others can be passed through
Mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, is only
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of device or unit by some interfaces
Connect, can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize scheme of the embodiment of the present invention according to the actual needs
Purpose.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized using in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Understood based on such, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are to cause a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each of the invention embodiment methods described.
And foregoing storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can be with store program codes
Medium.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of fingerprint identification method, applied to mobile terminal, it is characterised in that including：
If detecting the first touch control operation to the first fingerprint recognition region, first is gathered by the first fingerprint recognition region
Fingerprint image；
If detecting the second touch control operation to the second fingerprint recognition region, second is gathered by the second fingerprint recognition region
Fingerprint image；
If the time interval between first touch control operation and second touch control operation is less than or equal to prefixed time interval,
At least one fingerprint image in first fingerprint image and second fingerprint image is selected, is stored with the mobile terminal
Fingerprint image matched.
2. the method as described in claim 1, it is characterised in that the first fingerprint recognition region and second fingerprint recognition
Region is the same area on the touch screen of the mobile terminal.
3. the method as described in claim 1, it is characterised in that first touch-control detected to the first fingerprint recognition region
After operation, before first fingerprint image by the first fingerprint recognition region collection, methods described also includes：
It will be recorded as the first moment current time；
It is described detect the second touch control operation to the second fingerprint recognition region after, it is described to pass through second fingerprint and know
Other region is gathered before the second fingerprint image, and methods described also includes：
It will be recorded as the second moment current time；
If the time interval between first touch control operation and second touch control operation is less than or equal to preset time
Interval, selects at least one fingerprint image in first fingerprint image and second fingerprint image, with the movement eventually
The fingerprint image of end storage is matched, including：
If the time interval between first moment and second moment is less than or equal to prefixed time interval, selection is described
At least one fingerprint image in first fingerprint image and second fingerprint image, the fingerprint image stored with the mobile terminal
As being matched.
4. method as claimed any one in claims 1 to 3, it is characterised in that if described detect to first fingerprint
First touch control operation of identification region, after the first fingerprint image of the first fingerprint recognition region collection, the selection
At least one fingerprint image in first fingerprint image and second fingerprint image, the finger stored with the mobile terminal
Before print image is matched, methods described also includes：
Judge whether the characteristic information of first fingerprint image meets preset requirement；
If second touch control operation detected to the second fingerprint recognition region, passes through the second fingerprint recognition region
Gather after the second fingerprint image, at least one selected in first fingerprint image and second fingerprint image refers to
Print image, before the fingerprint image stored with the mobile terminal is matched, methods described also includes：
Judge whether the characteristic information of second fingerprint image meets preset requirement；
Described at least one fingerprint image selected in first fingerprint image and second fingerprint image, with the movement
The fingerprint image of terminal storage is matched, including：
When the characteristic information of first fingerprint image meets preset requirement, and the characteristic information of second fingerprint image meets
During preset requirement, at least one fingerprint image in first fingerprint image and second fingerprint image is selected, it is and described
The fingerprint image of mobile terminal storage is matched.
5. method as claimed in claim 4, it is characterised in that whether the characteristic information for judging first fingerprint image
Meet at least one in preset requirement, including herein below：
Judge whether the signal to noise ratio of first fingerprint image is more than the first preset value；
Judge whether the effective area of first fingerprint image is more than the second preset value；
Judge whether the gray value of first fingerprint image is more than the 3rd preset value；
Judge whether the characteristic information of second fingerprint image meets at least one in preset requirement, including herein below：
Judge whether the signal to noise ratio of second fingerprint image is more than the first preset value；
Judge whether the effective area of second fingerprint image is more than the second preset value；
Judge whether the gray value of second fingerprint image is more than the 3rd preset value.
6. a kind of mobile terminal, it is characterised in that including：
First acquisition module, for when detecting the first touch control operation to the first fingerprint recognition region, passing through described first
Fingerprint recognition region gathers the first fingerprint image；
Second acquisition module, for when detecting the second touch control operation to the second fingerprint recognition region, passing through described second
Fingerprint recognition region gathers the second fingerprint image；
Matching module, is less than or equal to for the time interval between first touch control operation and second touch control operation
During prefixed time interval, at least one fingerprint image in first fingerprint image and second fingerprint image is selected, with
The fingerprint image of the mobile terminal storage is matched.
7. mobile terminal as claimed in claim 6, it is characterised in that the first fingerprint recognition region and second fingerprint
Identification region is the same area on the touch screen of the mobile terminal.
8. mobile terminal as claimed in claim 6, it is characterised in that the mobile terminal also includes：
First logging modle, for after the first touch control operation to the first fingerprint recognition region is detected, by current time
It was recorded as the first moment；
Second logging modle, for after the second touch control operation to the second fingerprint recognition region is detected, by currently
Moment was recorded as the second moment；
The matching module, is less than or equal to specifically for the time interval between first moment and second moment
During prefixed time interval, at least one fingerprint image in first fingerprint image and second fingerprint image is selected, with
The fingerprint image of the mobile terminal storage is matched.
9. the mobile terminal as any one of claim 6 to 8, it is characterised in that the mobile terminal also includes：
First judge module, for judging whether the characteristic information of first fingerprint image meets preset requirement；
Second judge module, for judging whether the characteristic information of second fingerprint image meets preset requirement；
The matching module, specifically for meeting preset requirement, and described second when the characteristic information of first fingerprint image
When the characteristic information of fingerprint image meets preset requirement, select in first fingerprint image and second fingerprint image extremely
A few fingerprint image, the fingerprint image stored with the mobile terminal is matched.
10. mobile terminal as claimed in claim 9, it is characterised in that first judge module, following specifically for performing
At least one of in operation：
Judge whether the signal to noise ratio of first fingerprint image is more than the first preset value；
Judge whether the effective area of first fingerprint image is more than the second preset value；
Judge whether the gray value of first fingerprint image is more than the 3rd preset value；
Second judge module, specifically for performing at least one in following operate：
Judge whether the signal to noise ratio of second fingerprint image is more than the first preset value；
Judge whether the effective area of second fingerprint image is more than the second preset value；
Judge whether the gray value of second fingerprint image is more than the 3rd preset value.
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| CN201710320736.0A CN107038367A (en) | 2017-05-09 | 2017-05-09 | A kind of fingerprint identification method and mobile terminal |
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