CN110334493A - A kind of unlocking method, mobile terminal and the device with store function - Google Patents
A kind of unlocking method, mobile terminal and the device with store function Download PDFInfo
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- CN110334493A CN110334493A CN201910398905.1A CN201910398905A CN110334493A CN 110334493 A CN110334493 A CN 110334493A CN 201910398905 A CN201910398905 A CN 201910398905A CN 110334493 A CN110334493 A CN 110334493A
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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
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1347—Preprocessing; Feature extraction
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Abstract
The invention discloses a kind of unlocking method, mobile terminal and with the device of store function, this method includes the corresponding relationship between pre-stored fingerprint value and character；The default character password comprising at least one character；The fingerprint image of user is obtained, and at least one corresponding fingerprint value is obtained according to fingerprint image；According to the corresponding relationship between the fingerprint value and character prestored, judge whether at least one fingerprint value matches with character password；If at least one fingerprint value is matched with character password, unlock.The present invention obtains the fingerprint image of user by camera, corresponding fingerprint value is obtained according to fingerprint image, and the unlock when being judged as that fingerprint value is matched with character password, unlocked by fingerprint can be realized on the mobile terminal of unassembled fingerprint sensor, to improve the convenience of the privacy of unlock, safety and user's operation.
Description
Technical field
The present invention relates to field of mobile terminals, in particular to a kind of unlocking method, mobile terminal and have store function
Device.
Background technique
Touch-screen type mobile terminal Yin Qigao screen accounting and it is easy to use the features such as, have become the mainstream shape of mobile terminal
Formula.It when touch-screen type mobile terminal is in the state being not used by, generally requires and screen is locked, moved when needing to use
When dynamic terminal, then touch screen is unlocked, is accidentally touched to avoid touch screen.
Present inventor has found that unlocked by fingerprint is that a kind of privacy is preferable, safety is higher in long-term research and development
Unlocking manner.Existing unlocked by fingerprint must assemble fingerprint sensor on mobile terminals and can realize, but fingerprint passes
The higher cost of sensor is generally used on the mobile terminal of middle and high end, and the low side mobile terminal of unassembled fingerprint sensor is then
It cannot achieve unlocked by fingerprint.
Summary of the invention
The present invention provides a kind of unlocking method, mobile terminal and the device with store function, to solve the prior art
In the mobile terminal of unassembled fingerprint sensor the technical issues of cannot achieve unlocked by fingerprint.
In order to solve the above technical problems, one technical scheme adopted by the invention is that providing a kind of unlocking method, comprising:
Corresponding relationship between pre-stored fingerprint value and character；
The default character password comprising at least one character；
The fingerprint image of user is obtained, and at least one corresponding fingerprint value is obtained according to the fingerprint image；
According to the corresponding relationship between the fingerprint value and character prestored, judge at least one described fingerprint value with it is described
Whether character password matches；
If at least one described fingerprint value is matched with the character password, unlock.
In one embodiment, the method packet that at least one corresponding fingerprint value is obtained according to the fingerprint image
It includes:
Detect the color and number of the pixel of the fingerprint image；
The number of whole pixels of the fingerprint image is set as X1, sets the pixel of non-black in the fingerprint image
Number is Y1；
The fingerprint value for calculating the fingerprint image is (Y1/X1) * 100%.
In one embodiment, the method packet that at least one corresponding fingerprint value is obtained according to the fingerprint image
It includes:
Detect the color and number of the pixel of the fingerprint image；
The number of whole pixels of the fingerprint image is set as X2, gray value in the fingerprint image is set and is located at first
The number of pixel in intensity value ranges is Y2, sets gray value in the fingerprint image and is located at the picture in the second intensity value ranges
The number of element is Y3；
The fingerprint value for calculating the fingerprint image is (Y2/X2) * 100%, (Y3/X2) * 100%.
In one embodiment, the method packet that at least one corresponding fingerprint value is obtained according to the fingerprint image
It includes:
The fingerprint image is decomposed into multiple images block；
Detect the color and number of the pixel of each image block in described multiple images block；
The number of whole pixels of described image block is set as x, sets the number of the pixel of non-black in described image block
For y；
The fingerprint value for calculating described image block is (y/x) * 100%；
Combine the corresponding fingerprint value of described multiple images block the fingerprint value to form the fingerprint image.
In one embodiment, the method for the default character password comprising at least one character includes:
The preset fingerprint image of user is obtained, and at least one corresponding fingerprint is obtained according to the preset fingerprint image
Value；
According to the corresponding relationship between the fingerprint value and character prestored, the corresponding word of the preset fingerprint image is generated
Accord with password.
In one embodiment, the character is number, the corresponding pass between the pre-stored fingerprint value and the number
System includes:
The number is set as one in ten numbers of 0-9；
One fingerprint value is set as in 0%-100%, and the fingerprint value is divided into 0%-10% extremely
Ten fingerprint value ranges of 90%-100%；
Fingerprint value within the scope of described ten fingerprint values is corresponded with described ten numbers respectively.
In order to solve the above technical problems, another technical solution used in the present invention is to provide a kind of mobile terminal, comprising:
Camera, for obtaining the fingerprint image of user；
Memory, for the corresponding relationship between pre-stored fingerprint value and character；Storing preset includes at least described in one
The character password of character；
Processor is connect with the camera and the memory respectively, for obtaining user's by the camera
Fingerprint image, and at least one corresponding fingerprint value is obtained according to the fingerprint image；According to the fingerprint value and word prestored
Corresponding relationship between symbol, judges whether at least one described fingerprint value matches with the character password；Described in being judged as at least
One fingerprint value is matched with the character password, then controls unlock.
In one embodiment, the processor is also used to detect the color and number of the pixel of the fingerprint image；
The number of whole pixels of the fingerprint image is set as X1, set the number of the pixel of non-black in the fingerprint image as
Y1；The fingerprint value for calculating the fingerprint image is (Y1/X1) * 100%.
In one embodiment, the processor is also used to the fingerprint image being decomposed into multiple images block；Detection
The color and number of the pixel of each image block in described multiple images block；Set the number of whole pixels of described image block
For x, the number of the pixel of non-black in described image block is set as y；The fingerprint value for calculating described image block is (y/x) *
100%；Combine the corresponding fingerprint value of described multiple images block the fingerprint value to form the fingerprint image.
In order to solve the above technical problems, another technical solution used in the present invention be to provide it is a kind of with store function
Device, is stored with program data, and described program data can be performed to realize such as above-mentioned method.
The present invention obtains the fingerprint image of user by camera, according to the corresponding fingerprint value of fingerprint image acquisition, and
It is judged as unlock when fingerprint value is matched with character password, fingerprint solution can be realized on the mobile terminal of unassembled fingerprint sensor
Lock, to improve the convenience of the privacy of unlock, safety and user's operation.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the flow diagram of one embodiment of unlocking method of the present invention；
Fig. 2 is the flow diagram of another embodiment of unlocking method of the present invention；
Fig. 3 is the flow diagram of another embodiment of unlocking method of the present invention；
Fig. 4 is the flow diagram of another embodiment of unlocking method of the present invention；
Fig. 5 is the structural schematic diagram of mobile terminal embodiment of the present invention；
Fig. 6 is the structural schematic diagram for the Installation practice that the present invention has store function.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the scope of protection of the invention.
Term " first ", " second " in the application are used for description purposes only, and are not understood to indicate or imply opposite
Importance or the quantity for implicitly indicating indicated technical characteristic.In the description of the present application, the meaning of " plurality " is at least two
It is a, such as two, three etc., unless otherwise specifically defined.In addition, term " includes " and " having " and they are any
Deformation, it is intended that cover and non-exclusive include.Such as contain the process, method, system, product of a series of steps or units
Or equipment is not limited to listed step or unit, but optionally further comprising the step of not listing or unit, or can
Selection of land further includes the other step or units intrinsic for these process, methods, product or equipment.And term "and/or", only
It is a kind of incidence relation for describing affiliated partner, indicates may exist three kinds of relationships, for example, A and/or B, can indicates: individually
There are A, exist simultaneously A and B, these three situations of individualism B.In addition, character "/" herein, typicallys represent forward-backward correlation pair
As if a kind of relationship of "or".
Referring to Fig. 1, one embodiment of unlocking method of the present invention includes:
Corresponding relationship between S110, pre-stored fingerprint value and character.
In the present embodiment, character can be number, English alphabet etc..
S120, the default character password comprising at least one character.
S130, the fingerprint image for obtaining user, and at least one corresponding fingerprint value is obtained according to fingerprint image.
In the present embodiment, corresponding fingerprint value can be obtained according to gray value, color value of fingerprint image etc..
The corresponding relationship between fingerprint value and character that S140, basis prestore, judges that at least one fingerprint value and character are close
Whether code matches.
If S150, at least one fingerprint value are matched with character password, unlock.
The embodiment of the present invention obtains the fingerprint image of user by camera, obtains corresponding fingerprint according to fingerprint image
Value, and the unlock when being judged as that fingerprint value is matched with character password, can be real on the mobile terminal of unassembled fingerprint sensor
Existing unlocked by fingerprint, to improve the convenience of the privacy of unlock, safety and user's operation.
Referring to fig. 2, another embodiment of unlocking method of the present invention includes:
Corresponding relationship between S210, pre-stored fingerprint value and character.
In the present embodiment, character can be number, and one for number being set as in ten numbers of 0-9；
One fingerprint value is set as in 0%-100%, and fingerprint value is divided into ten fingerprints of 0%-10% to 90%-100%
It is worth range；Fingerprint value within the scope of ten fingerprint values is corresponded with ten numbers respectively.Specifically, being located in 0%-10%
The corresponding number 0 of fingerprint value；The corresponding number 1 of fingerprint value in 10%-20%；Fingerprint value pair in 20%-30%
Answer number 2；The corresponding number 3 of fingerprint value in 30%-40%；The corresponding number 4 of fingerprint value in 40%-50%；Position
In the corresponding number 5 of fingerprint value in 50%-60%；The corresponding number 6 of fingerprint value in 60%-70%；Positioned at 70%-80%
The corresponding number 7 of interior fingerprint value；The corresponding number 8 of fingerprint value in 80%-90%；Fingerprint value in 90%-100%
Corresponding number 9.
In other embodiments, character may be English alphabet A-Z；Fingerprint value is divided into 26 fingerprint value ranges,
To be corresponded with 26 English alphabets.
In other embodiments, character may be Greek alphabet or other characters etc., herein with no restrictions.
S221, the preset fingerprint image for obtaining user, and at least one corresponding fingerprint is obtained according to preset fingerprint image
Value.
In the present embodiment, the preset fingerprint image of user can be obtained in such a way that camera is taken pictures.
In the present embodiment, it also may refer to according to the method that preset fingerprint image obtains at least one corresponding fingerprint value
Following step S231 to S234.
The corresponding relationship between fingerprint value and character that S222, basis prestore, generates the corresponding character of preset fingerprint image
Password.
S231, the fingerprint image for obtaining user.
In the present embodiment, the fingerprint image of user can be obtained in such a way that camera is taken pictures.
The color and number of the pixel of S232, detection fingerprint image；
In the present embodiment, the color that can only detect the pixel of fingerprint image is black or non-black.
S233, set fingerprint image whole pixels number as X1, set fingerprint image in non-black pixel
Number is Y1；
In other embodiments, can also will be located within the scope of a certain intensity value ranges or a certain color value in fingerprint image
The number of pixel be set as Y1.
S234, the fingerprint value for calculating fingerprint image are (Y1/X1) * 100%.
The corresponding relationship between fingerprint value and character that S240, basis prestore, judges that at least one fingerprint value and character are close
Whether code matches.
If S251, at least one fingerprint value are matched with character password, unlock.
If S252, at least one fingerprint value and character password mismatch, screen lock state is kept.
For example, in the present embodiment, the corresponding character password of preset fingerprint image is 5；If detecting the complete of fingerprint image
The number X1 of portion's pixel is 300,000, and the number Y1 of the pixel of non-black is 16.5 ten thousand in fingerprint image, then the fingerprint of fingerprint image
Value is (Y1/X1) * 100%=55%, and corresponding character password is 5, matches, then unlocks with character password；If detecting fingerprint
The number X1 of whole pixels of image is 300,000, and the number Y1 of the pixel of non-black is 13.5 ten thousand in fingerprint image, then fingerprint image
The fingerprint value of picture is (Y1/X1) * 100%=45%, and corresponding character password is 4, mismatches with character password, then keeps screen locking
State.
Fingerprint value by being set as of the number of the pixel of non-black in fingerprint image and whole pixels by the present embodiment
Several ratio, detection and calculating process are simple, it is easy to accomplish.
Referring to Fig. 3, in another embodiment, the fingerprint image of user is obtained, and obtain and correspond to according to fingerprint image
The method of at least one fingerprint value can also include:
S310, the fingerprint image for obtaining user；
In the present embodiment, the fingerprint image of user can be obtained in such a way that camera is taken pictures.
The color and number of the pixel of S320, detection fingerprint image；
S330, set fingerprint image whole pixels number as X2, set fingerprint image in gray value be located at first ash
The number of pixel within the scope of angle value is Y2, sets that gray value in fingerprint image is located at the pixel in the second intensity value ranges
Number is Y3；
In the present embodiment, the first intensity value ranges can be 0-127, and the second intensity value ranges can be 128-255.
S340, the fingerprint value for calculating fingerprint image are (Y2/X2) * 100%, (Y3/X2) * 100%.
For example, in the present embodiment, the corresponding character password of preset fingerprint image is 26；If detecting the complete of fingerprint image
The number X2 of portion's pixel is 500,000, and the number Y2 that the pixel in the first intensity value ranges is located in fingerprint image is 11.5 ten thousand, is referred to
The number Y3 for being located at the pixel in the second intensity value ranges in print image is 33.5 ten thousand, then the fingerprint value of fingerprint image is (Y2/
X2) * 100%=23%, (Y3/X2) * 100%=67%, corresponding character password are 26, then unlock.
In other embodiments, the gray value of fingerprint image can also be divided into more than two range, so that fingerprint image
Fingerprint value more than two so that corresponding character password be more than 2.
In the present embodiment, the preset fingerprint image of user is obtained, and corresponding at least according to the acquisition of preset fingerprint image
The method of one fingerprint value can also refer to above-mentioned steps S310 to S340.
The present embodiment is by being divided into multiple ranges for the gray value of fingerprint image, and according to being located in different intensity value ranges
The number of pixel and the ratio calculation of whole number of pixels obtain multiple fingerprint values, so as to corresponding multidigit character password,
So that unlocked by fingerprint is more accurate, reliable.
Referring to fig. 4, in another embodiment, the fingerprint image of user is obtained, and is obtained and is corresponded to according to fingerprint image
The method of at least one fingerprint value can also include:
S410, the fingerprint image for obtaining user；
In the present embodiment, the fingerprint image of user can be obtained in such a way that camera is taken pictures.
S420, fingerprint image is decomposed into multiple images block；
In the present embodiment, fingerprint image can be decomposed into multiple images block in such a way that vertical and horizontal are divided equally.
In other embodiments, it can also be divided with random division or according to the shape of fingerprint image, herein with no restrictions.
The color and number of the pixel of each image block in S430, detection multiple images block；
S440, set image block whole pixels number as x, set the number of the pixel of non-black in image block as y；
In other embodiments, can also will be located within the scope of a certain intensity value ranges or a certain color value in image block
The number of pixel is set as y.
S450, the fingerprint value for calculating image block are (y/x) * 100%；
S460, the corresponding fingerprint value of multiple images block is combined the fingerprint value to form fingerprint image.
For example, in the present embodiment, the corresponding character password of preset fingerprint image is 0926；Fingerprint image is decomposed into 4
A image block detects that the number of whole pixels of 4 image blocks is followed successively by x1, x2, x3 and x4, and x1=x2=x3=x4
=20 ten thousand；The number of the pixel of non-black is followed successively by y1=0.6 ten thousand, y2=19.6 ten thousand, y3=5.4 ten thousand, y4=in 4 image blocks
13.2 ten thousand；Be calculated 4 image blocks fingerprint value be followed successively by (y1/x1) * 100%=3%, (y2/x2) * 100%=98%,
(y3/x3) * 100%=27%, (y4/x4) * 100%=66%, respectively correspond character password 0,9,2,6；By multiple images block
Corresponding fingerprint value combines the fingerprint value 0926 to form fingerprint image, then matches, then unlock with character password.
In the present embodiment, the preset fingerprint image of user is obtained, and corresponding at least according to the acquisition of preset fingerprint image
The method of one fingerprint value can also refer to above-mentioned steps S310 to S340.
The present embodiment the corresponding fingerprint value of multiple images block combines shape by the way that fingerprint image is divided into multiple images block
At the fingerprint value of fingerprint image, so as to corresponding multidigit character password, so that unlocked by fingerprint is more accurate, reliable.
In other embodiments, the pixel in image block can also be divided according to gray value, extremely such as step S310
Described in the method for S340 so that the fingerprint value of image block be it is multiple, i.e., both the above is obtained into corresponding finger according to fingerprint image
The method of line value combines, so that making unlocked by fingerprint more accurate, reliable.
Referring to Fig. 5,50 embodiment of mobile terminal of the present invention includes camera 510, memory 520 and processor 530, camera shooting
First 510 for obtaining the fingerprint image of user；Memory 520 is for the corresponding relationship between pre-stored fingerprint value and character；Storage
The preset character password comprising at least one character；Processor 530 is connect with camera 510 and memory 520 respectively, is used for
The fingerprint image of user is obtained by camera 510, and at least one corresponding fingerprint value is obtained according to fingerprint image；According to pre-
The corresponding relationship between fingerprint value and character deposited, judges whether at least one fingerprint value matches with character password；When being judged as
When at least one fingerprint value is matched with character password, then unlock is controlled.
Specifically, the embodiment of the present invention realizes the method for unlock referring to above-mentioned unlocking method embodiment, details are not described herein.
The embodiment of the present invention obtains the fingerprint image of user by camera, obtains corresponding fingerprint according to fingerprint image
Value, and the unlock when being judged as that fingerprint value is matched with character password, can be real on the mobile terminal of unassembled fingerprint sensor
Existing unlocked by fingerprint, to improve the convenience of the privacy of unlock, safety and user's operation.
Referring to Fig. 6, there is the present invention 60 embodiment of device of store function to be stored with program data 610, program data 610
It can be performed to realize unlocking method.
Specifically, the embodiment of the present invention realizes the method for unlock referring to above-mentioned unlocking method embodiment, details are not described herein.
The embodiment of the present invention obtains the fingerprint image of user by camera, obtains corresponding fingerprint according to fingerprint image
Value, and the unlock when being judged as that fingerprint value is matched with character password, can be real on the mobile terminal of unassembled fingerprint sensor
Existing unlocked by fingerprint, to improve the convenience of the privacy of unlock, safety and user's operation.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (10)
1. a kind of unlocking method characterized by comprising
Corresponding relationship between pre-stored fingerprint value and character；
The default character password comprising at least one character；
The fingerprint image of user is obtained, and at least one corresponding fingerprint value is obtained according to the fingerprint image；
According to the corresponding relationship between the fingerprint value and character prestored, at least one described fingerprint value and the character are judged
Whether password matches；
If at least one described fingerprint value is matched with the character password, unlock.
2. the method according to claim 1, wherein described obtain corresponding at least one according to the fingerprint image
The method of a fingerprint value includes:
Detect the color and number of the pixel of the fingerprint image；
The number of whole pixels of the fingerprint image is set as X1, sets the number of the pixel of non-black in the fingerprint image
For Y1；
The fingerprint value for calculating the fingerprint image is (Y1/X1) * 100%.
3. the method according to claim 1, wherein described obtain corresponding at least one according to the fingerprint image
The method of a fingerprint value includes:
Detect the color and number of the pixel of the fingerprint image；
The number of whole pixels of the fingerprint image is set as X2, gray value in the fingerprint image is set and is located at the first gray scale
The number for being worth the pixel in range is Y2, sets the pixel that gray value in the fingerprint image is located in the second intensity value ranges
Number is Y3；
The fingerprint value for calculating the fingerprint image is (Y2/X2) * 100%, (Y3/X2) * 100%.
4. the method according to claim 1, wherein described obtain corresponding at least one according to the fingerprint image
The method of a fingerprint value includes:
The fingerprint image is decomposed into multiple images block；
Detect the color and number of the pixel of each image block in described multiple images block；
The number of whole pixels of described image block is set as x, sets the number of the pixel of non-black in described image block as y；
The fingerprint value for calculating described image block is (y/x) * 100%；
Combine the corresponding fingerprint value of described multiple images block the fingerprint value to form the fingerprint image.
5. the method according to claim 1, wherein the default character comprising at least one character is close
Code method include:
The preset fingerprint image of user is obtained, and at least one corresponding fingerprint value is obtained according to the preset fingerprint image；
According to the corresponding relationship between the fingerprint value and character prestored, it is close to generate the corresponding character of the preset fingerprint image
Code.
6. the method according to claim 1, wherein the character be number, the pre-stored fingerprint value with it is described
Corresponding relationship between number includes:
The number is set as one in ten numbers of 0-9；
One fingerprint value is set as in 0%-100%, and the fingerprint value is divided into 0%-10% to 90%-
100%0 fingerprint value range；
Fingerprint value within the scope of described ten fingerprint values is corresponded with described ten numbers respectively.
7. a kind of mobile terminal characterized by comprising
Camera, for obtaining the fingerprint image of user；
Memory, for the corresponding relationship between pre-stored fingerprint value and character；It stores preset comprising an at least character
Character password；
Processor is connect with the camera and the memory respectively, for obtaining the fingerprint of user by the camera
Image, and at least one corresponding fingerprint value is obtained according to the fingerprint image；According to the fingerprint value prestored and character it
Between corresponding relationship, judge whether at least one described fingerprint value matches with the character password；Be judged as it is described at least one
Fingerprint value is matched with the character password, then controls unlock.
8. mobile terminal according to claim 7, which is characterized in that the processor is also used to detect the fingerprint image
Pixel color and number；The number of whole pixels of the fingerprint image is set as X1, is set non-in the fingerprint image
The number of the pixel of black is Y1；The fingerprint value for calculating the fingerprint image is (Y1/X1) * 100%.
9. mobile terminal according to claim 7, which is characterized in that the processor is also used to the fingerprint image point
Solution is multiple images block；Detect the color and number of the pixel of each image block in described multiple images block；Set the figure
As block whole pixels number be x, set the number of the pixel of non-black in described image block as y；Calculate described image block
The fingerprint value be (y/x) * 100%；It combines the corresponding fingerprint value of described multiple images block to form the fingerprint image
The fingerprint value of picture.
10. a kind of device with store function, which is characterized in that be stored with program data, described program data can be held
Row is to realize as the method according to claim 1 to 6.
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| CN115080944A (en) * | 2022-06-10 | 2022-09-20 | Oppo广东移动通信有限公司 | Password authentication method and device, electronic equipment, chip and readable storage medium |
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