CN105573614A - Screen unlocking method and user terminal - Google Patents
Screen unlocking method and user terminal Download PDFInfo
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- CN105573614A CN105573614A CN201510452082.8A CN201510452082A CN105573614A CN 105573614 A CN105573614 A CN 105573614A CN 201510452082 A CN201510452082 A CN 201510452082A CN 105573614 A CN105573614 A CN 105573614A
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Abstract
The embodiment of the invention discloses a screen unlocking method and a user terminal. The method comprises the following steps: taking an image of a finger of a current user by a camera so as to obtain a fingerprint; extracting fingerprint characteristic information from the fingerprint image; identifying whether the fingerprint characteristic information is matched with preset fingerprint information stored in advance or not; and if the fingerprint characteristic information is matched with the preset fingerprint information, unlocking a screen. Through implementing the embodiment of the invention, the efficiency of unlocking the screen of the user terminal can be improved.
Description
Technical field
The present invention relates to intelligent terminal technical field, particularly relate to a kind of screen unlock method and user terminal.
Background technology
Fingerprint recognition, refers to by fingerprint collecting, analysis and contrast fingerprint characteristic, realizes authentication fast and accurately.At present, in order to prevent disabled user from wantonly operating user terminal (as smart mobile phone), user terminal being generally configured with Fingerprint Identification Unit, locking to identify user identity for carrying out fingerprint to user terminal screen.The Fingerprint Identification Unit that current application is wider is mainly push type Fingerprint Identification Unit, and usually, push type Fingerprint Identification Unit is integrated in above home key by deviser, or design is on one piece of metal fingerprint ring region at the casing back side.User only needs to place finger gently on home key or on metal fingerprint ring region, and pressing is once pointed, and this push type Fingerprint Identification Unit just can gather the finger print information of user.
Find in practice; such situation is often there will be: if user carries out pressing operation in fingerprint collecting region for a long time in daily life; this fingerprint collecting region will be caused to occur wearing and tearing; and then cause fingerprint sensor precise decreasing; the finger print information gathered is not comprehensive; user needs repeatedly to carry out pressing operation when could unlock user terminal, and this can reduce the efficiency that validated user unlocks user terminal screen.
Summary of the invention
Embodiments provide a kind of screen unlock method and user terminal, the efficiency that user terminal screen is unlocked can be improved.
Embodiment of the present invention first aspect discloses a kind of screen unlock method, comprising:
Taken by the finger of camera to current user, to obtain fingerprint image;
Take the fingerprint characteristic information from described fingerprint image;
Identify whether described fingerprint feature information mates with the preset fingerprint characteristic information prestored;
If coupling, then unlock described screen.
Embodiment of the present invention second aspect discloses a kind of user terminal, comprising:
Shooting unit, for taking by the finger of camera to current user, to obtain fingerprint image;
Extraction unit, for the characteristic information that takes the fingerprint from described fingerprint image;
Recognition unit, for identifying whether described fingerprint feature information mates with the preset fingerprint characteristic information prestored;
Separate lock unit, for when fingerprint feature information mates with the preset fingerprint characteristic information prestored described in described recognition unit identification, described screen is unlocked.
In the embodiment of the present invention, user terminal is taken by the finger of camera to current user, to obtain fingerprint image, further, take the fingerprint characteristic information from fingerprint image, and identify whether fingerprint feature information mates with the preset fingerprint characteristic information prestored, if coupling, then screen is unlocked.Pass through the embodiment of the present invention, when user starts shooting, user terminal is taken by the finger of camera to current user, and the fingerprint feature information extracted in fingerprint image, when identifying that fingerprint feature information mates with the preset fingerprint characteristic information prestored, just can unlock user terminal screen, and without the need to validated user multi-pass operations, thus the efficiency that user terminal screen is unlocked can be improved.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of a kind of screen unlock method disclosed in the embodiment of the present invention;
Fig. 2 is the schematic flow sheet of another kind of screen unlock method disclosed in the embodiment of the present invention;
Fig. 3 is the schematic flow sheet of another kind of screen unlock method disclosed in the embodiment of the present invention;
Fig. 4 is the schematic flow sheet of another kind of screen unlock method disclosed in the embodiment of the present invention;
Fig. 5 is the structural representation of a kind of user terminal disclosed in the embodiment of the present invention;
Fig. 6 is the structural representation of another kind of user terminal disclosed in the embodiment of the present invention;
Fig. 7 is the structural representation of another kind of user terminal disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of screen unlock method and user terminal, the efficiency that user terminal screen is unlocked can have been improved.Below be described in detail respectively.
In the embodiment of the present invention, user terminal can include but not limited to smart mobile phone, notebook computer, personal computer (PersonalComputer, PC), personal digital assistant (PersonalDigitalAssistant, PDA), all types of user terminal such as mobile internet device (MobileInternetDevice, MID), Intelligent worn device (as intelligent watch, Intelligent bracelet).Wherein, the operating system of this user terminal can include but not limited to Android operation system, IOS, Symbian (Saipan) operating system, BlackBerry (blackberry, blueberry) operating system, WindowsPhone8 operating system etc., and the embodiment of the present invention does not limit.
Refer to Fig. 1, Fig. 1 is the schematic flow sheet of a kind of screen unlock method disclosed in the embodiment of the present invention.As shown in Figure 1, the method can comprise the following steps.
S101, to be taken by the finger of camera to current user, to obtain fingerprint image.
In the embodiment of the present invention, when triggering start when the power supply mechanical key on user operation user terminal, user terminal can open camera automatically, meanwhile, opens recognition unit, or, when the user terminal is switched on, user operation user terminal screen (such as: user clicks the optional position of user terminal screen) and trigger recognition unit open, simultaneously, open camera, the embodiment of the present invention is not construed as limiting.
In the embodiment of the present invention, after camera is opened, user terminal can be taken by the finger of camera to current user, to obtain fingerprint image.
Concrete, after user terminal opens camera, user can stretch out the pickup area that some fingers are placed on camera, and user terminal utilizes camera to take the finger that current user stretches out, to obtain the fingerprint image of this finger.Wherein, this current user is the current user using user terminal.
As the optional embodiment of one, after user terminal opens camera, if user stretches out the pickup area that multiple finger is placed on camera, now, the distance of each finger that user terminal can be stretched out by built-in range sensor measurement and camera, and point apart from minimum finger as target, further, user terminal utilizes camera to take the target finger that current user stretches out, to obtain the fingerprint image of this target finger.
S102, take the fingerprint characteristic information from fingerprint image.
In the embodiment of the present invention, user terminal obtains after fingerprint image, and user terminal can take the fingerprint characteristic information further from fingerprint image.
Concrete, user terminal can process fingerprint image, comprise: finger-print region detection, picture quality judgement, directional diagram and Frequency Estimation, image enhaucament, Fingerprint Image Binarization and refinement etc., further, from fingerprint image determine fingerprint lines bifurcated, stop or the fingerprint feature information such as the coordinate position of looping.
Whether S103, identification fingerprint feature information mate with the preset fingerprint characteristic information prestored, and if so, perform step S104, if not, and process ends.
In the embodiment of the present invention, user stores a preset fingerprint characteristic information in advance on the subscriber terminal, and this preset fingerprint characteristic information is that user terminal gathers in advance and for identifying user identity presupposed information.After user terminal extracts fingerprint feature information, user terminal can identify whether fingerprint feature information mates with the preset fingerprint characteristic information prestored and identify the identity of current user.
Concrete, user terminal can by the fingerprint feature information extracted and the comparison one by one of the preset fingerprint prestored characteristic information, determine the matching degree of fingerprint feature information and the preset fingerprint characteristic information prestored extracted, when matching degree is greater than predetermined threshold value (such as 80%), user terminal can determine that the fingerprint feature information extracted mates with the preset fingerprint characteristic information prestored, otherwise, do not mate.
As the optional embodiment of one, when user stores multiple preset fingerprint characteristic information in advance on the subscriber terminal, after user terminal extracts fingerprint feature information, user terminal can judge whether there is the preset fingerprint characteristic information mated with the fingerprint feature information extracted in the plurality of preset fingerprint characteristic information, if exist, then user terminal can determine that current user is for validated user.
S104, screen to be unlocked.
In the embodiment of the present invention, when user terminal identification fingerprint feature information mates with the preset fingerprint characteristic information prestored, user terminal can determine that current user is for validated user, and now, user terminal can unlock screen.
In the embodiment of the present invention, user does not need on fingerprint collecting region (the metal fingerprint ring region as home key, the casing back side), to carry out pressing operation and fingerprints trace, the finger print information of user is caused to leak, user only needs to thrust out one's fingers, user terminal just can be taken by the finger of camera to current user and obtain fingerprint feature information, like this, just can reduce the probability that finger print information leaks, simultaneously, user does not need repeatedly to press because of fingerprint collecting regions wear, thus can improve the efficiency unlocked user terminal screen.
In the method flow described by Fig. 1, user terminal is taken by the finger of camera to current user, to obtain fingerprint image, further, take the fingerprint characteristic information from fingerprint image, and identify whether fingerprint feature information mates with the preset fingerprint characteristic information prestored, if coupling, then screen is unlocked.Pass through the embodiment of the present invention, when user starts shooting, user terminal is taken by the finger of camera to current user, and the fingerprint feature information extracted in fingerprint image, when identifying that fingerprint feature information mates with the preset fingerprint characteristic information prestored, just can unlock user terminal screen, and without the need to validated user multi-pass operations, thus the efficiency that user terminal screen is unlocked can be improved.
Refer to Fig. 2, Fig. 2 is the schematic flow sheet of another kind of screen unlock method disclosed in the embodiment of the present invention.As shown in Figure 2, the method can comprise the following steps.
S201, user terminal are taken by the finger of camera to current user, to obtain fingerprint image.
S202, user terminal take the fingerprint characteristic information from fingerprint image.
Whether S203, user terminal identification fingerprint feature information mate with the preset fingerprint characteristic information prestored, and if so, perform step S204, if not, perform step S205 ~ S207.
S204, user terminal unlock screen.
S205, user terminal export the first information.
In the embodiment of the present invention, after user terminal opens camera, current user may have forgotten carry out fingerprint collecting in advance be which finger, so, current user just at will stretches out a finger, and like this, the fingerprint image that camera photographs may not be just the fingerprint image gathering that finger corresponding to finger print information in advance, at this moment, user terminal just may identify fingerprint feature information and the unmatched situation of preset fingerprint characteristic information prestored.For this situation, user terminal can export the first information, and this first information changes finger to be captured for pointing out current user.
S206, user terminal are taken the finger after current user's replacing by camera, to obtain the fingerprint image after replacing, and from the fingerprint image after replacing, extract the fingerprint feature information after changing.
In the embodiment of the present invention, after user terminal exports the first information, current user can change finger to be captured, such user terminal just can be taken the finger after current user's replacing by camera, to obtain the fingerprint image after changing, and from the fingerprint image after replacing, extract the fingerprint feature information after changing.
Whether the fingerprint feature information after S207, user terminal identification replacing mates with the preset fingerprint characteristic information prestored, and if so, performs step S204, if not, performs step S208.
In the embodiment of the present invention, user terminal is after obtaining the fingerprint feature information after changing, further, whether the fingerprint feature information after user terminal can identify replacing again mates with the preset fingerprint characteristic information prestored the identity determining current user.
S208, user terminal add up the replacing number of times that current user changes finger to be captured.
In the embodiment of the present invention, when the fingerprint feature information after user terminal identification is changed does not mate with the preset fingerprint characteristic information prestored, user terminal can add up the replacing number of times that current user changes finger to be captured, such as: 1 time, 2 times, 3 inferior.
S209, user terminal judge that whether change number of times is greater than preset times, if so, performs step S210, if not, return and continue to perform step S205.
In the embodiment of the present invention, user can arrange a preset times in advance on the subscriber terminal, such as: 3 times.When user terminal counts on after current user changes the replacing number of times of finger to be captured, user terminal judges whether change number of times is greater than preset times, if, show that current user changes the number of times of finger many, now, in order to reduce the power consumption that camera one direct-open brings, user terminal can close camera, if not, show that current user changes the number of times of finger fewer, now, user terminal can continue output first information, prompting user changes finger, user terminal continues the finger after to replacing and takes, and identify whether the fingerprint feature information after changing mates with the preset fingerprint characteristic information prestored, if coupling, then screen is unlocked.
S210, user terminal close camera.
In the method flow described by Fig. 2, when user terminal identification fingerprint feature information does not mate with the preset fingerprint characteristic information prestored, user terminal can export the first information, finger to be captured is changed to point out current user, further, user terminal is taken the finger after current user's replacing by camera, to obtain the fingerprint image after changing, and from the fingerprint image after replacing, extract the fingerprint feature information after changing, when identifying that the fingerprint feature information after changing mates with the preset fingerprint characteristic information prestored, screen is unlocked, when identifying that the fingerprint feature information after changing does not mate with the preset fingerprint characteristic information prestored, user terminal adds up the replacing number of times that current user changes finger to be captured, if user terminal judges that changing number of times is greater than preset times, then close camera, if user terminal judges that changing number of times is not more than preset times, then user terminal can continue to point out user to change finger to be captured to identify fingerprint feature information further.Pass through the embodiment of the present invention, if user have forgotten gather finger corresponding to preset fingerprint characteristic information in advance, then user terminal repeatedly changes the chance of finger to be captured can to user, simultaneously, in order to reduce the power consumption that camera is opened, user terminal can limit the number of times of replacing further, thus can improve the efficiency that validated user unlocks screen, meanwhile, the power consumption that camera is opened can be reduced.
Refer to Fig. 3, Fig. 3 is the schematic flow sheet of another kind of screen unlock method disclosed in the embodiment of the present invention.As shown in Figure 3, the method can comprise the following steps.
S301, user terminal are taken by the finger of camera to current user, to obtain fingerprint image.
S302, user terminal take the fingerprint characteristic information from fingerprint image.
Whether S303, user terminal identification fingerprint feature information mate with the preset fingerprint characteristic information prestored, and if so, perform step S304, if not, perform step S305.
S304, user terminal unlock screen.
S305, user terminal close camera.
In the embodiment of the present invention, when user terminal is not mated with the preset fingerprint information prestored by the finger print information that recognition unit identification fingerprint image carries, user terminal can close camera, the power consumption brought to reduce camera to open.
S306, user terminal export the information input interface to be verified comprising the second information.
In the embodiment of the present invention, user can arrange the various ways unlocked screen in advance on the subscriber terminal, and such as: unlocked by fingerprint, information to be verified unlocks, and face unblock etc., the embodiment of the present invention is not construed as limiting.User terminal is after closedown camera, and user terminal can point out current user to come by other means to unlock screen.
In the embodiment of the present invention, user terminal exports the information input interface to be verified comprising the second information, and this second information inputs information to be verified for pointing out current user.Wherein, this information to be verified can be password to be verified, or this information to be verified can be image to be verified, and the embodiment of the present invention is not construed as limiting.
It should be noted that, step S305 and step S306 can perform simultaneously, also can first perform step S305 and perform step S306 again.
Whether the information to be verified that the checking of S307, user terminal inputs at information input interface to be verified is consistent with the default authorization information pre-set, and if so, performs step S304, if not, and process ends.
In the embodiment of the present invention, this default authorization information can be default authentication password, or this default authorization information can for presetting authentication image, and the embodiment of the present invention is not construed as limiting.
In the embodiment of the present invention, if user terminal exports the information input interface to be verified comprising the second information and inputs password to be verified for pointing out user at this information input interface to be verified, now, user terminal will verify that whether this password to be verified is consistent with the default authentication password pre-set, if consistent, show that current user is for validated user, user terminal will unlock screen.If user terminal exports the information input interface to be verified comprising the second information and inputs image to be verified for pointing out user at this information input interface to be verified, now, user terminal will verify that whether this image to be verified is consistent with the default authentication image pre-set, if consistent, show that current user is for validated user, user terminal will unlock screen.
In the method flow described by Fig. 3, when user terminal identification fingerprint feature information does not mate with the preset fingerprint characteristic information prestored, user terminal can close camera, and export the information input interface to be verified comprising the second information, when checking is when the information to be verified that information input interface to be verified inputs is consistent with the default authorization information pre-set, user terminal just unlocks screen.Pass through the embodiment of the present invention, user terminal can when identifying that fingerprint feature information does not mate with the preset fingerprint characteristic information prestored, prompting user carrys out identity verification by inputting information to be verified, when user terminal verifies that information to be verified is passed through, user terminal just can unlock screen, thus can improve the efficiency that validated user unlocks user terminal screen.
Refer to Fig. 4, Fig. 4 is the schematic flow sheet of another kind of screen unlock method disclosed in the embodiment of the present invention.As shown in Figure 4, the method can comprise the following steps.
S401, user terminal are taken by the finger of camera to current user, to obtain fingerprint image.
S402, user terminal take the fingerprint characteristic information from fingerprint image.
Whether S403, user terminal identification fingerprint feature information mate with the preset fingerprint characteristic information prestored, and if so, perform step S404, if not, perform step S405.
S404, user terminal unlock screen.
S405, user terminal are taken by the face of camera to current user, to obtain facial image.
In the embodiment of the present invention, user can arrange the various ways unlocked screen in advance on the subscriber terminal, and such as: unlocked by fingerprint, information to be verified unlocks, and face unblock etc., the embodiment of the present invention is not construed as limiting.
In the embodiment of the present invention, when user terminal identification fingerprint feature information does not mate with the preset fingerprint characteristic information prestored, user terminal can be taken by the face of camera to current user, to obtain facial image.
Whether S406, user terminal identification facial image mate with the default facial image prestored, and if so, perform step S404, if not, and process ends.
In the embodiment of the present invention, user stores default facial image in advance on the subscriber terminal, and this default facial image is the facial image of the validated user gathered in advance.
In the embodiment of the present invention, user terminal is after acquisition facial image, and user terminal can identify whether facial image mates with the default facial image prestored, if coupling, then show that current user is for validated user, now, user terminal can unlock screen.
In the method flow described by Fig. 4, when user terminal identification fingerprint feature information does not mate with the preset fingerprint characteristic information prestored, user terminal can be taken by the face of camera to current user, to obtain facial image, further, identify whether facial image mates with the default facial image prestored, if coupling, then user terminal can unlock screen, pass through the embodiment of the present invention, user terminal can when identifying that fingerprint feature information does not mate with the preset fingerprint characteristic information prestored, further by identifying that the facial image of current user carrys out identity verification, when being identified by, user terminal just can unlock screen, thus the efficiency that validated user unlocks screen can be improved.
Be apparatus of the present invention embodiment below, apparatus of the present invention embodiment, for performing the method in the inventive method embodiment, for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention, concrete ins and outs do not disclose, and please refer to said method embodiment of the present invention.
Refer to Fig. 5, Fig. 5 is the structural representation of a kind of user terminal disclosed in the embodiment of the present invention, and as shown in Figure 5, this user terminal 500 can comprise: shooting unit 501, extraction unit 502, recognition unit 503 and solution lock unit 504, wherein:
Shooting unit 501, for taking by the finger of camera to current user, to obtain fingerprint image.
In the embodiment of the present invention, when triggering start when the power supply mechanical key on user operation user terminal, user terminal can open camera automatically, meanwhile, opens recognition unit 503, or, when the user terminal is switched on, user operation user terminal screen (such as: user clicks the optional position of user terminal screen) and trigger recognition unit 503 and open, simultaneously, open camera, the embodiment of the present invention is not construed as limiting.
Concrete, after user terminal opens camera, user can stretch out the pickup area that some fingers are placed on camera, and shooting unit 501 utilizes camera to take the finger that current user stretches out, to obtain the fingerprint image of this finger.Wherein, this current user is the current user using user terminal.
Extraction unit 502, for the characteristic information that takes the fingerprint from fingerprint image.
In the embodiment of the present invention, shooting is after unit 501 obtains fingerprint image, and extraction unit 502 can take the fingerprint characteristic information further from fingerprint image.
Concrete, extraction unit 502 can process fingerprint image, comprise: finger-print region detection, picture quality judgement, directional diagram and Frequency Estimation, image enhaucament, Fingerprint Image Binarization and refinement etc., further, from fingerprint image determine fingerprint lines bifurcated, stop or the fingerprint feature information such as the coordinate position of looping.
Recognition unit 503, for identifying whether fingerprint feature information mates with the preset fingerprint characteristic information prestored.
In the embodiment of the present invention, user stores a preset fingerprint characteristic information in advance on the subscriber terminal, and this preset fingerprint characteristic information is that user terminal gathers in advance and for identifying user identity presupposed information.After extraction unit 502 extracts fingerprint feature information, recognition unit 503 can identify whether fingerprint feature information mates with the preset fingerprint characteristic information prestored and identify the identity of current user.
Concrete, recognition unit 503 can by the fingerprint feature information extracted and the comparison one by one of the preset fingerprint prestored characteristic information, determine the matching degree of fingerprint feature information and the preset fingerprint characteristic information prestored extracted, when matching degree is greater than predetermined threshold value (such as 80%), recognition unit 503 can determine that the fingerprint feature information extracted mates with the preset fingerprint characteristic information prestored, otherwise, do not mate.
Separating lock unit 504, during for identifying that fingerprint feature information mates with the preset fingerprint characteristic information prestored when recognition unit 503, screen being unlocked.
In the embodiment of the present invention, when recognition unit 503 identifies that fingerprint feature information mates with the preset fingerprint characteristic information prestored, user terminal can determine that current user is for validated user, and now, separating lock unit 504 can unlock screen.
As the optional embodiment of one,
Above-mentioned shooting unit 501, time also for identifying that fingerprint feature information does not mate with the preset fingerprint characteristic information prestored when recognition unit 503, is taken by the face of camera to current user, to obtain facial image.
In the embodiment of the present invention, user can arrange the various ways unlocked screen in advance on the subscriber terminal, and such as: unlocked by fingerprint, information to be verified unlocks, and face unblock etc., the embodiment of the present invention is not construed as limiting.
In the embodiment of the present invention, when recognition unit 503 identifies that fingerprint feature information does not mate with the preset fingerprint characteristic information prestored, shooting unit 501 can be taken by the face of camera to current user, to obtain facial image.
Above-mentioned recognition unit 503, also for identifying whether facial image mates with the default facial image prestored.
In the embodiment of the present invention, user stores default facial image in advance on the subscriber terminal, and this default facial image is the facial image of the validated user gathered in advance.
In the embodiment of the present invention, shooting unit 501 is after acquisition facial image, and recognition unit 503 can identify whether facial image mates with the default facial image prestored, if coupling, then show that current user is for validated user, now, separating lock unit 504 can unlock screen.
Above-mentioned solution lock unit 504, time also for identifying that facial image mates with the default facial image prestored when recognition unit 503, unlocks screen.
Refer to Fig. 6, Fig. 6 is the structural representation of another kind of user terminal disclosed in the embodiment of the present invention, wherein, user terminal shown in Fig. 6 is that the enterprising one-step optimization in basis of user terminal shown in Fig. 5 obtains, compared with the user terminal shown in Fig. 5, user terminal shown in Fig. 6, except all unit comprising the user terminal shown in Fig. 5, can also comprise:
First output unit 505, during for identifying that fingerprint feature information does not mate with the preset fingerprint characteristic information prestored when recognition unit 503, exports the first information, and the first information changes finger to be captured for pointing out current user.
In the embodiment of the present invention, after unlatching camera, current user may have forgotten carry out fingerprint collecting in advance be which finger, so, current user just at will stretches out a finger, and like this, the fingerprint image that shooting unit 501 photographs may not be just the fingerprint image gathering that finger corresponding to finger print information in advance, at this moment, recognition unit 503 just may recognize fingerprint feature information and the unmatched situation of preset fingerprint characteristic information prestored.For this situation, the first output unit 505 can export the first information, and this first information changes finger to be captured for pointing out current user.
Above-mentioned shooting unit 501, also for being taken, to obtain the fingerprint image after replacing the finger after current user's replacing by camera.
In the embodiment of the present invention, after the first output unit 505 exports the first information, current user can change finger to be captured, takes unit 501 like this and camera just can be utilized to take the finger after current user's replacing, and obtain the fingerprint image after changing.
Said extracted unit 502, also for extracting the fingerprint feature information after changing from the fingerprint image after replacing.
Above-mentioned recognition unit 503, also for identifying whether the fingerprint feature information after replacing mates with the preset fingerprint characteristic information prestored.
In the embodiment of the present invention, shooting unit 501 is after obtaining the fingerprint image after changing, further, whether the fingerprint feature information after recognition unit 503 can identify replacing again mates with the preset fingerprint characteristic information prestored the identity determining current user.
Above-mentioned solution lock unit 504, time also for identifying that the fingerprint feature information after changing mates with the preset fingerprint characteristic information prestored when recognition unit 503, unlocks screen.
As the optional embodiment of one, the user terminal 500 shown in Fig. 6 can also comprise:
Statistic unit 506, during for identifying that the fingerprint feature information after changing does not mate with the preset fingerprint characteristic information prestored when recognition unit 503, adds up the replacing number of times that current user changes finger to be captured.
In the embodiment of the present invention, after the fingerprint feature information after recognition unit 503 identification is changed does not mate with the preset fingerprint characteristic information prestored, statistic unit 506 can add up the replacing number of times that current user changes finger to be captured, such as: 1 time, 2 times, 3 inferior.
Judging unit 507, for judging whether change number of times is greater than preset times.
In the embodiment of the present invention, user can arrange a preset times in advance on the subscriber terminal, such as: 3 times.When statistic unit 506 counts on after current user changes the replacing number of times of finger to be captured, judging unit 507 judges whether change number of times is greater than preset times, if, show that current user changes the number of times of finger many, now, in order to reduce the power consumption that camera one direct-open brings, first closing unit 508 can close camera, if not, show that current user changes the number of times of finger fewer, now, first output unit 505 can continue output first information, prompting user changes finger, shooting unit 501 continues the finger after to replacing and takes, recognition unit 503 identifies whether the fingerprint feature information after changing mates with the preset fingerprint characteristic information prestored, if coupling, then separate lock unit 504 pairs of screens to unlock.
First closing unit 508, during for judging that when judging unit 507 changing number of times is greater than preset times, closes camera.
Refer to Fig. 7, Fig. 7 is the structural representation of another kind of user terminal disclosed in the embodiment of the present invention, wherein, user terminal shown in Fig. 7 is that the enterprising one-step optimization in basis of user terminal shown in Fig. 5 obtains, compared with the user terminal shown in Fig. 5, user terminal shown in Fig. 7, except all unit comprising the user terminal shown in Fig. 5, can also comprise:
Second closing unit 509, during for identifying that fingerprint feature information does not mate with the preset fingerprint characteristic information prestored when recognition unit 503, closes camera.
In the embodiment of the present invention, when recognition unit 503 identifies that fingerprint feature information does not mate with the preset fingerprint characteristic information prestored, the second closing unit 509 can close camera, the power consumption brought to reduce camera to open.
Second output unit 510, for exporting the information input interface to be verified comprising the second information, the second information inputs information to be verified for pointing out current user.
In the embodiment of the present invention, user can arrange the various ways unlocked screen in advance on the subscriber terminal, and such as: unlocked by fingerprint, information to be verified unlocks, and face unblock etc., the embodiment of the present invention is not construed as limiting.Second closing unit 509 is after closedown camera, and user terminal can point out current user to come by other means to unlock screen.
In the embodiment of the present invention, the second output unit 510 exports the information input interface to be verified comprising the second information, and this second information inputs information to be verified for pointing out current user.Wherein, this information to be verified can be password to be verified, or this information to be verified can be image to be verified, and the embodiment of the present invention is not construed as limiting.
Authentication unit 511, for verifying that whether the information to be verified inputted at information input interface to be verified is consistent with the default authorization information pre-set.
In the embodiment of the present invention, this default authorization information can be default authentication password, or this default authorization information can for presetting authentication image, and the embodiment of the present invention is not construed as limiting.
In the embodiment of the present invention, if the second output unit 510 exports the information input interface to be verified comprising the second information and inputs password to be verified for pointing out user at this information input interface to be verified, now, authentication unit 511 will verify that whether this password to be verified is consistent with the default authentication password pre-set, if consistent, show that current user is for validated user, separating lock unit 504 will unlock screen.If the second output unit 510 exports the information input interface to be verified comprising the second information and inputs image to be verified for pointing out user at this information input interface to be verified, now, authentication unit 511 will verify that whether this image to be verified is consistent with the default authentication image pre-set, if consistent, show that current user is for validated user, separating lock unit 504 will unlock screen.
Above-mentioned solution lock unit 504, time also for verifying that the information to be verified inputted at information input interface to be verified is consistent with the default authorization information pre-set when authentication unit 511, unlocks screen.
In the user terminal 500 described by Fig. 5 ~ Fig. 7, shooting unit 501 is taken by the finger of camera to current user, to obtain fingerprint image, further, extraction unit 502 takes the fingerprint characteristic information from fingerprint image, recognition unit 503 identifies whether fingerprint feature information mates with the preset fingerprint characteristic information prestored, if coupling, then separates lock unit 504 pairs of screens and unlocks.Pass through the embodiment of the present invention, when user starts shooting, shooting unit 501 is taken by the finger of camera to current user, extraction unit 502 extracts the fingerprint feature information in fingerprint image, when recognition unit 503 identifies that fingerprint feature information mates with the preset fingerprint characteristic information prestored, separate lock unit 504 just to have unlocked user terminal screen, and without the need to validated user multi-pass operations, thus the efficiency that user terminal screen is unlocked can be improved.
It should be noted that, for each embodiment of the method aforesaid, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the application is not by the restriction of described sequence of movement, because according to the application, certain some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in instructions all belongs to preferred embodiment, and involved action and unit might not be that the application is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (10)
1. a screen unlock method, is characterized in that, comprising:
Taken by the finger of camera to current user, to obtain fingerprint image;
Take the fingerprint characteristic information from described fingerprint image;
Identify whether described fingerprint feature information mates with the preset fingerprint characteristic information prestored;
If coupling, then unlock described screen.
2. method according to claim 1, is characterized in that, described method also comprises:
When identifying that described fingerprint feature information does not mate with the preset fingerprint characteristic information prestored, export the first information, described first information changes finger to be captured for pointing out current user;
By described camera, the finger after current user's replacing is taken, to obtain the fingerprint image after replacing, and from the fingerprint image after described replacing, extract the fingerprint feature information after changing;
Identify whether the fingerprint feature information after described replacing mates with the described preset fingerprint characteristic information prestored;
If coupling, then unlock described screen.
3. method according to claim 2, is characterized in that, described method also comprises:
When identifying that the fingerprint feature information after described replacing does not mate with the described preset fingerprint characteristic information prestored, add up the replacing number of times that current user changes finger to be captured;
Judge whether described replacing number of times is greater than preset times;
If so, described camera is then closed.
4. method according to claim 1, is characterized in that, described method also comprises:
When identifying that described fingerprint feature information does not mate with the preset fingerprint characteristic information prestored, close described camera;
Export the information input interface to be verified comprising the second information, described second information inputs information to be verified for pointing out current user;
Verify in the information to be verified of described information input interface input to be verified whether consistent with the default authorization information pre-set;
If consistent, then described screen is unlocked.
5. method according to claim 1, is characterized in that, described method also comprises:
When identifying that described fingerprint feature information does not mate with the preset fingerprint characteristic information prestored, taken by the face of described camera to current user, to obtain facial image;
Identify whether described facial image mates with the default facial image prestored;
If coupling, then unlock described screen.
6. a user terminal, is characterized in that, comprising:
Shooting unit, for taking by the finger of camera to current user, to obtain fingerprint image;
Extraction unit, for the characteristic information that takes the fingerprint from described fingerprint image;
Recognition unit, for identifying whether described fingerprint feature information mates with the preset fingerprint characteristic information prestored;
Separate lock unit, for when fingerprint feature information mates with the preset fingerprint characteristic information prestored described in described recognition unit identification, described screen is unlocked.
7. user terminal according to claim 6, is characterized in that, described user terminal also comprises:
First output unit, for when fingerprint feature information does not mate with the preset fingerprint characteristic information prestored described in described recognition unit identification, exports the first information, and described first information changes finger to be captured for pointing out current user;
Described shooting unit, also for being taken, to obtain the fingerprint image after replacing the finger after current user's replacing by described camera;
Described extraction unit, also for extracting the fingerprint feature information after changing from the fingerprint image after described replacing;
Whether described recognition unit, also mate with the described preset fingerprint characteristic information prestored for the fingerprint feature information after identifying described replacing;
Described solution lock unit, also for when the fingerprint feature information after changing described in described recognition unit identification mates with the described preset fingerprint characteristic information prestored, unlocks described screen.
8. user terminal according to claim 7, is characterized in that, described user terminal also comprises:
Statistic unit, for when the fingerprint feature information after changing described in described recognition unit identification does not mate with the described preset fingerprint characteristic information prestored, adds up the replacing number of times that current user changes finger to be captured;
Judging unit, for judging whether described replacing number of times is greater than preset times;
First closing unit, during for judging that described replacing number of times is greater than preset times when described judging unit, closes described camera.
9. user terminal according to claim 6, is characterized in that, described user terminal also comprises:
Second closing unit, for when fingerprint feature information does not mate with the preset fingerprint characteristic information prestored described in described recognition unit identification, closes described camera;
Second output unit, for exporting the information input interface to be verified comprising the second information, described second information inputs information to be verified for pointing out current user;
Authentication unit, whether consistent with the default authorization information pre-set for verifying in the information to be verified of described information input interface input to be verified;
Described solution lock unit, also for when described authentication unit checking is when the information to be verified of described information input interface input to be verified is consistent with the default authorization information pre-set, unlocks described screen.
10. user terminal according to claim 6, is characterized in that,
Described shooting unit, also for when described in described recognition unit identification, fingerprint feature information does not mate with the preset fingerprint characteristic information prestored, is taken by the face of described camera to current user, to obtain facial image;
Described recognition unit, also for identifying whether described facial image mates with the default facial image prestored;
Described solution lock unit, also for when described in described recognition unit identification, facial image mates with the default facial image prestored, unlocks described screen.
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