CN105577886A

CN105577886A - Mobile terminal unlocking device and method

Info

Publication number: CN105577886A
Application number: CN201510954356.3A
Authority: CN
Inventors: 姜顺豹
Original assignee: Nubia Technology Co Ltd
Current assignee: Nubia Technology Co Ltd
Priority date: 2015-12-16
Filing date: 2015-12-16
Publication date: 2016-05-11

Abstract

The invention discloses a mobile terminal unlocking device comprising an obtaining module, a prompting module and a switching module. The obtaining module is used for obtaining a user viewpoint position on the screen of a mobile terminal. The prompting module is used for determining a significant area of the screen and displaying the image in the significant area in an animation form when the viewpoint position is located in a preset area and the mobile terminal is in a locked state. The switching module is used for collecting an eyeprint feature of the user so as to perform verification operation, and when the verification is successful, the mobile terminal is switched to the unlocked state. A mobile terminal unlocking method is also disclosed. The mobile terminal unlocking device and method are capable of improving the accuracy of the mobile terminal eyeprint unlocking.

Description

Mobile terminal unlocking device and method

Technical field

The present invention relates to intelligent terminal technical field, particularly relate to a kind of mobile terminal unlocking device and method.

Background technology

Along with the continuous progress of the universal of intelligent terminal and intelligent terminal technology, this kind of biological identification technology of eyeprint identification is also more and more applied to intelligent terminal field.Because everyone the eyeprint feature shape of blood vessel (on the eyeball) is unique, even twins are not identical yet, eyeprint feature is fitted like a glove as cryptographic means.In prior art, as the mobile terminals such as mobile phone utilize the eyeprint feature of camera collection user in advance, be saved in this locality.When user unlocks, open the eyeprint feature of camera collection user, by eyeprint Characteristic Contrast authentication preset for the eyeprint characteristic sum of collection, thus determine whether unlock.But, the eyeprint feature that mobile phone gathers user needs to spend the regular hour, be generally 3 to 5 seconds, and, the eyes of user are looked up and are looked down, and the eyeprint feature being supplied to camera is different, when user rotates eyeball in the process of camera collection eyeprint feature, camera cannot collect correct eyeprint feature, and mobile phone also cannot correctly unlock.In prior art, there is mobile terminal eyeprint and unlock inaccurate problem.

Summary of the invention

Main purpose of the present invention is to propose a kind of mobile terminal unlocking device and method, is intended to the accuracy improving the unblock of mobile terminal eyeprint.

For achieving the above object, the invention provides a kind of mobile terminal unlocking device, this mobile terminal unlocking device comprises:

Acquisition module, for obtaining the viewpoint position of user at the screen of mobile terminal;

Reminding module, for being positioned within predeterminable area at described viewpoint position, and described mobile terminal is current when being in the lock state, and determines the marking area of described screen, and shows the image in described marking area with the form of animation;

Handover module, carries out verification operation for the eyeprint feature gathering user, and when being verified, switches described mobile terminal to released state.

Preferably, described reminding module is also for being positioned at outside predeterminable area at described viewpoint position, and described mobile terminal is current when being in the lock state, and exports the information of prompting user typing eyeprint feature.

Preferably, described mobile terminal unlocking device also comprises:

Identification module, for being positioned within predeterminable area at described viewpoint position, and described mobile terminal is current when being in the lock state, and identifies the eyeball image of described mobile terminal current wallpaper;

Described reminding module also for unidentified to eyeball image time, determine the marking area of described screen, and show the image in described marking area with the form of animation;

Described reminding module, also for when recognizing eyeball image, shows described eyeball image with the form of animation.

Preferably, described handover module is not also for getting described viewpoint position, and described mobile terminal is current when being in released state, switches described mobile terminal to lock-out state.

Preferably, described acquisition module is also for determining the positional information of user pupil center based on face area based on user's face image of shooting; And determine the viewpoint position of user at the screen of mobile terminal based on the mapping relations of the positional information preset and viewpoint position.

In addition, for achieving the above object, the present invention also proposes a kind of mobile terminal unlock method, and this mobile terminal unlock method comprises:

Obtain the viewpoint position of user at the screen of mobile terminal;

Be positioned within predeterminable area at described viewpoint position, and described mobile terminal is current when being in the lock state, determines the marking area of described screen, and show the image in described marking area with the form of animation;

The eyeprint feature gathering user carries out verification operation, and when being verified, switches described mobile terminal to released state.

Preferably, described acquisition user, after the step of the viewpoint position of the screen of mobile terminal, also comprises:

Be positioned at outside predeterminable area at described viewpoint position, and described mobile terminal is current when being in the lock state, exports the information of prompting user typing eyeprint feature.

Preferably, the described marking area determining described screen, and show the step of the image in described marking area with the form of animation before, also comprise:

Be positioned within predeterminable area at described viewpoint position, and described mobile terminal is current when being in the lock state, identifies the eyeball image of described mobile terminal current wallpaper;

Unidentified to eyeball image time, perform the described marking area determining described screen, and show the step of the image in described marking area with the form of animation;

After the step of the eyeball image of the described mobile terminal current wallpaper of described identification, also comprise:

When recognizing eyeball image, show described eyeball image with the form of animation.

Do not getting described viewpoint position, and described mobile terminal is current when being in released state, switches described mobile terminal to lock-out state.

Preferably, described acquisition user comprises in the step of the viewpoint position of the screen of mobile terminal:

User's face image based on shooting determines the positional information of user pupil center based on face area;

Mapping relations based on the positional information preset and viewpoint position determine the viewpoint position of user at the screen of mobile terminal.

The mobile terminal unlocking device that the present invention proposes and method, user is monitored at the viewpoint position of mobile terminal screen, when identifying that the viewpoint position of user is positioned within predeterminable area, and mobile terminal is when being in the lock state, determine that mobile terminal screen is significantly different from the marking area of other screen areas further, and the marking area application animation effect determined, the image in described marking area is shown with the form of animation, it will be understood by those skilled in the art that, due to the conspicuousness of marking area and the attraction of animation effect, user can be made to watch described marking area attentively, thus make mobile terminal have the eyeprint feature of time enough collection user to verify.Compared to prior art, present invention, avoiding user and be not intended to Oculomotor problem in the process of mobile terminal collection eyeprint feature, the accuracy that mobile terminal eyeprint unlocks can be improved.

Accompanying drawing explanation

Fig. 1 is the hardware configuration schematic diagram of the mobile terminal realizing each embodiment of the present invention;

Fig. 2 is the electrical structure block diagram of camera in Fig. 1;

Fig. 3 is the high-level schematic functional block diagram of mobile terminal unlocking device first embodiment of the present invention;

Fig. 4 is the exemplary plot that the screen predeterminable area of mobile terminal in mobile terminal unlocking device first embodiment of the present invention divides;

Fig. 5 is the exemplary plot of screen marking area in mobile terminal unlocking device first embodiment of the present invention;

Fig. 6 is the schematic flow sheet of mobile terminal unlock method first embodiment of the present invention.

The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.

Embodiment

Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.

The mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing.In follow-up description, use the suffix of such as " module ", " parts " or " unit " for representing element only in order to be conducive to explanation of the present invention, itself is specific meaning not.Therefore, " module " and " parts " can mixedly use.

Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can comprise the such as mobile terminal of mobile phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP (portable media player), guider etc. and the fixed terminal of such as digital TV, desktop computer etc.Below, suppose that terminal is mobile terminal.But it will be appreciated by those skilled in the art that except the element except being used in particular for mobile object, structure according to the embodiment of the present invention also can be applied to the terminal of fixed type.

Fig. 1 is the hardware configuration schematic diagram of the mobile terminal realizing each embodiment of the present invention.

Mobile terminal 100 can comprise wireless communication unit 110, A/V (audio/video) input unit 120, user input unit 130, sensing cell 140, output unit 150, memory 160, interface unit 170, controller 180 and power subsystem 190 etc.Fig. 1 shows the mobile terminal with various assembly, it should be understood that, does not require to implement all assemblies illustrated.Can alternatively implement more or less assembly.Will be discussed in more detail below the element of mobile terminal.

Wireless communication unit 110 generally includes one or more assembly, and it allows the radio communication between mobile terminal 100 and radio communication device or network.Such as, wireless communication unit 110 can comprise wireless Internet module 111 and mobile communication module 112.

Wireless Internet module 111 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can be inner or be externally couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can comprise WLAN (WLAN) (Wi-Fi), Wibro (WiMAX), Wimax (worldwide interoperability for microwave access), HSDPA (high-speed downlink packet access) etc.

Radio signal is sent at least one in base station (such as, access point, Node B etc.), exterior terminal and server and/or receives radio signals from it by mobile communication module 112.Various types of data that such radio signal can comprise voice call signal, video calling signal or send according to text and/or Multimedia Message and/or receive.

A/V input unit 120 is for audio reception or vision signal.A/V input unit 120 can comprise camera 121, and the view data of camera 121 to the static images obtained by image capture apparatus in Video Capture pattern or image capture mode or video processes.Picture frame after process may be displayed on display unit 151.Picture frame after camera 121 processes can be stored in memory 160 (or other storage medium) or via wireless communication unit 110 and send, and can provide two or more cameras 121 according to the structure of mobile terminal.

User input unit 130 can generate key input data to control the various operations of mobile terminal according to the order of user's input.User input unit 130 allows user to input various types of information, and keyboard, the young sheet of pot, touch pad (such as, detecting the touch-sensitive assembly of the change of the resistance, pressure, electric capacity etc. that cause owing to being touched), roller, rocking bar etc. can be comprised.Especially, when touch pad is superimposed upon on display unit 151 as a layer, touch-screen can be formed.

Sensing cell 140 detects the current state of mobile terminal 100, (such as, mobile terminal 100 open or close state), the position of mobile terminal 100, user for mobile terminal 100 contact (namely, touch input) presence or absence, the orientation of mobile terminal 100, the acceleration of mobile terminal 100 or speed is moved and direction etc., and generate order or the signal of the operation for controlling mobile terminal 100.Such as, when mobile terminal 100 is embodied as sliding-type mobile phone, sensing cell 140 can sense this sliding-type phone and open or close.In addition, whether whether sensing cell 140 can detect power subsystem 190 provides electric power or interface unit 170 to couple with external device (ED).

Interface unit 170 is used as at least one external device (ED) and is connected the interface that can pass through with mobile terminal 100.Such as, external device (ED) can comprise wired or wireless head-band earphone port, external power source (or battery charger) port, wired or wireless FPDP, memory card port, for connecting the port, audio frequency I/O (I/O) port, video i/o port, ear port etc. of the device with identification module.Identification module can be that storage uses the various information of mobile terminal 100 for authentication of users and can comprise subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) etc.In addition, the device (hereinafter referred to " recognition device ") with identification module can take the form of smart card, and therefore, recognition device can be connected with mobile terminal 100 via port or other jockey.Interface unit 170 may be used for receive from external device (ED) input (such as, data message, electric power etc.) and the input received be transferred to the one or more element in mobile terminal 100 or may be used for transmitting data between mobile terminal and external device (ED).

In addition, when mobile terminal 100 is connected with external base, interface unit 170 can be used as to allow by it electric power to be provided to the path of mobile terminal 100 from base or can be used as the path that allows to be transferred to mobile terminal by it from the various command signals of base input.The various command signal inputted from base or electric power can be used as and identify whether mobile terminal is arranged on the signal base exactly.Output unit 150 is constructed to provide output signal (such as, audio signal, vision signal, alarm signal, vibration signal etc.) with vision, audio frequency and/or tactile manner.Output unit 150 can comprise display unit 151, dio Output Modules 152, alarm unit 153 etc.

Display unit 151 may be displayed on the information of process in mobile terminal 100.Such as, when mobile terminal 100 is in telephone calling model, display unit 151 can show with call or other communicate (such as, text messaging, multimedia file are downloaded etc.) be correlated with user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling pattern or image capture mode, display unit 151 can the image of display capture and/or the image of reception, UI or GUI that video or image and correlation function are shown etc.

Meanwhile, when display unit 151 and touch pad as a layer superposed on one another to form touch-screen time, display unit 151 can be used as input unit and output device.Display unit 151 can comprise at least one in liquid crystal display (LCD), thin-film transistor LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc.Some in these displays can be constructed to transparence and watch from outside to allow user, and this can be called transparent display, and typical transparent display can be such as TOLED (transparent organic light emitting diode) display etc.According to the specific execution mode wanted, mobile terminal 100 can comprise two or more display units (or other display unit), such as, mobile terminal can comprise outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used for detecting touch input pressure and touch input position and touch and inputs area.

When dio Output Modules 152 can be under the isotypes such as call signal receiving mode, call mode, logging mode, speech recognition mode, broadcast reception mode at mobile terminal, voice data convert audio signals that is that wireless communication unit 110 is received or that store in memory 160 and exporting as sound.And dio Output Modules 152 can provide the audio frequency relevant to the specific function that mobile terminal 100 performs to export (such as, call signal receives sound, message sink sound etc.).Dio Output Modules 152 can comprise pick-up, buzzer etc.

Alarm unit 153 can provide and export that event informed to mobile terminal 100.Typical event can comprise calling reception, message sink, key signals input, touch input etc.Except audio or video exports, alarm unit 153 can provide in a different manner and export with the generation of notification event.Such as, alarm unit 153 can provide output with the form of vibration, when receive calling, message or some other enter communication (incomingcommunication) time, alarm unit 153 can provide sense of touch to export (that is, vibrating) to notify to user.By providing such sense of touch to export, even if when the mobile phone of user is in the pocket of user, user also can identify the generation of various event.Alarm unit 153 also can provide the output of the generation of notification event via alarm module in mobile terminal unlocking device of the present invention.

Memory 160 software program that can store process and the control operation performed by controller 180 etc., or temporarily can store oneself through exporting the data (such as, telephone directory, message, still image, video etc.) that maybe will export.And, memory 160 can store about when touch be applied to touch-screen time the vibration of various modes that exports and the data of audio signal.Such as, memory 160 can store the software program realizing mobile terminal of the present invention and unlock, and performs for controller 180.

Memory 160 can comprise the storage medium of at least one type, described storage medium comprises flash memory, hard disk, multimedia card, card-type memory (such as, SD or DX memory etc.), random access storage device (RAM), static random-access memory (SRAM), read-only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory (PROM), magnetic storage, disk, CD etc.And mobile terminal 100 can be connected the memory function of execute store 160 network storage device with by network cooperates.

Controller 180 controls the overall operation of mobile terminal usually.Such as, controller 180 performs the control relevant to voice call, data communication, video calling etc. and process.

Power subsystem 190 receives external power or internal power and provides each element of operation and the suitable electric power needed for assembly under the control of controller 180.

Various execution mode described herein can to use such as computer software, the computer-readable medium of hardware or its any combination implements.For hardware implementation, execution mode described herein can by using application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), processor, controller, microcontroller, microprocessor, being designed at least one performed in the electronic unit of function described herein and implementing, in some cases, such execution mode can be implemented in controller 180.For implement software, the execution mode of such as process or function can be implemented with allowing the independent software module performing at least one function or operation.Software code can be implemented by the software application (or program) write with any suitable programming language, and software code can be stored in memory 160 and to be performed by controller 180.

So far, oneself is through the mobile terminal according to its functional description.Below, for the sake of brevity, by the slide type mobile terminal that describes in various types of mobile terminals of such as folded form, board-type, oscillating-type, slide type mobile terminal etc. exemplarily.Therefore, the present invention can be applied to the mobile terminal of any type, and is not limited to slide type mobile terminal.

With reference to the electrical structure block diagram that Fig. 2, Fig. 2 are camera in Fig. 1.

Phtographic lens 1211 is made up of the multiple optical lens for the formation of shot object image, is single-focus lens or zoom lens.Phtographic lens 1211 can move in the direction of the optical axis under the control of lens driver 1221, lens driver 1221 is according to the control signal from lens driving control circuit 1222, control the focal position of phtographic lens 1211, when zoom lens, also can control focal length.Lens driving control circuit 1222 carries out the drived control of lens driver 1221 according to the control command from microcomputer 1217.

Imaging apparatus 1212 is configured with near the position of the shot object image formed on the optical axis of phtographic lens 1211, by phtographic lens 1211.Imaging apparatus 1212 is for making a video recording to shot object image and obtaining image data.On imaging apparatus 1212 two dimension and be arranged in a matrix the photodiode forming each pixel.Each photodiode produces the opto-electronic conversion electric current corresponding with light income, and this opto-electronic conversion electric current carries out charge accumulation by the capacitor be connected with each photodiode.The front surface of each pixel is configured with the RGB colour filter of Bayer arrangement.

Imaging apparatus 1212 is connected with imaging circuit 1213, this imaging circuit 1213 carries out charge accumulation and controls and picture signal reading control in imaging apparatus 1212, to the picture signal (analog picture signal) of this reading reduce reset noise after carry out waveform shaping, and then carry out gain raising etc. to become suitable signal level.Imaging circuit 1213 is connected with A/D converter 1214, and this A/D converter 1214 pairs of analog picture signals carry out analog-to-digital conversion, to bus 1227 output digital image signal (hereinafter referred to as view data).

Bus 1227 is the transfer paths of the various data that the inside for being transmitted in camera reads or generates.Above-mentioned A/D converter 1214 is connected in bus 1227, be connected to image processor 1215, jpeg processor 1216, microcomputer 1217, SDRAM (SynchronousDynamicrandomaccessmemory in addition, SDRAM) 1218, memory interface (hereinafter referred to as memory I/F) 1219, LCD (LiquidCrystalDisplay, liquid crystal display) driver 1220.

Image processor 1215 carries out OB to the view data of the output based on imaging apparatus 1212 and subtracts each other process, blank level adjustment, color matrix computing, gamma conversion, color difference signal process, noise removal process, changes the various image procossing such as process, edge treated simultaneously.Jpeg processor 1216 by Imagery Data Recording in recording medium 1225 time, according to JPEG compress mode compression from SDRAM1218 read view data.In addition, jpeg processor 1216 carries out the decompression of jpeg image data in order to carry out image reproducing display.When decompressing, read the file that is recorded in recording medium 1225, implement decompression in jpeg processor 1216 after, the view data of decompression to be temporarily stored in SDRAM1218 and to show on LCD1226.H.264 in addition, in the present embodiment, what adopt as image compression decompression mode is JPEG mode, but compressed and decompressed mode is not limited thereto, and certainly can adopt MPEG, TIFF, other the compressed and decompressed mode such as.

Microcomputer 1217 plays the function of the control part as this camera entirety, the unified various process sequences controlling camera.Microcomputer 1217 is connected to operating unit 1223 and flash memory 1224.

Operating unit 1223 includes but not limited to physical button or virtual key, this entity or virtual key can be the operational controls such as various load button and various enter keies such as power knob, key of taking pictures, edit key, dynamic image button, reproduction button, menu button, cross key, OK button, delete button, large buttons, detect the mode of operation of these operational controls.

Testing result is exported to microcomputer 1217.In addition, be provided with touch panel at the front surface of the LCD1226 as display, detect the touch location of user, this touch location is exported to microcomputer 1217.Microcomputer 1217, according to the testing result of the operating position from operating unit 1223, performs the various process sequences corresponding with the operation of user.

Flash memory 1224 stores the program of the various process sequences for performing microcomputer 1217.Microcomputer 1217 carries out the control of camera entirety according to this program.In addition, flash memory 1224 stores the various adjusted values of camera, and microcomputer 1217 reads adjusted value, carries out the control of camera according to this adjusted value.

SDRAM1218 is can the electricity volatile memory of rewriting for what carry out view data etc. temporarily storing.This SDRAM1218 temporarily stores the view data that exports from A/D converter 1214 and image processor 1215, jpeg processor 1216 etc., to have carried out the view data after processing.

Memory interface 1219 is connected with recording medium 1225, carries out the control by view data and the first-class data writing recording medium 1225 of file be attached in view data and reading from recording medium 1225.Recording medium 1225 be such as can on camera main-body the recording medium such as memory card of disassembled and assembled freely, but being not limited thereto, also can be the hard disk etc. be built in camera main-body.

Lcd driver 1210 is connected with LCD1226, view data after being processed by image processor 1215 is stored in SDRAM1218, when needing display, read the view data that SDRAM1218 stores also to show on LCD1226, or the compressed view data of jpeg processor 1216 is stored in SDRAM1218, when needs show, jpeg processor 1216 reads the compressed view data of SDRAM1218, then decompresses, and the view data after decompressing is shown by LCD1226.

Image display is carried out at the back side that LCD1226 is configured in camera main-body.This LCD1226LCD), but be not limited thereto, also can adopt the various display floaters (LCD1226) such as organic EL, but be not limited thereto, also can adopt the various display floaters such as organic EL.

Based on the electrical structure schematic diagram of above-mentioned mobile terminal hardware configuration and camera, each embodiment of mobile terminal unlocking device of the present invention is proposed.

With reference to Fig. 3, in the first embodiment of mobile terminal unlocking device of the present invention, described mobile terminal unlocking device comprises:

Acquisition module 10, for obtaining the viewpoint position of user at the screen of mobile terminal;

It should be noted that, the mobile terminal unlocking device that the present embodiment proposes is built in running of mobile terminal, and the unblock of mobile terminal is completed based on the eyeprint feature of user, such as, when mobile terminal unlocking device is built in mobile phone operation, the mobile phone cycle obtains the viewpoint position of user at mobile phone screen, time within the predeterminable area that described viewpoint position is positioned at screen, the marking area of mobile phone determination screen, and the marking area application animation effect determined, user is attracted to watch marking area attentively, thus collect the eyeprint feature of user accurately, carry out checking to unlock, reach and improve the object that eyeprint unlocks accuracy.

In the present embodiment, acquisition module 10 is obtaining user when the viewpoint position of the screen of mobile terminal, can the viewpoint position of user in real, also can the viewpoint position of timing acquisition user, the specifically viewpoint position of user in real, or how long the viewpoint position of timing acquisition user and interval obtain the viewpoint position of user, can be arranged as required by user's (home subscriber as mobile terminal) with default access rank.Such as, in the present embodiment, acquisition module 10 default interval obtains the viewpoint position of a user for 3 seconds.

Reminding module 20, for being positioned within predeterminable area at described viewpoint position, and described mobile terminal is current when being in the lock state, and determines the marking area of described screen, and shows the image in described marking area with the form of animation;

With reference to Fig. 4, in the present embodiment, be a-quadrant and B region in advance by the screen divider of mobile terminal.It should be noted that, the present embodiment does not limit the concrete dividing mode in aforementioned a-quadrant and B region, and those skilled in the art can select according to actual needs.Aforementionedly get user after the viewpoint position of the screen of mobile terminal, the zones of different residing for described viewpoint position carries out different operations.

Wherein, after described acquisition module 10 gets the viewpoint position of user, reminding module 20 judges whether described viewpoint position is positioned within a-quadrant (predeterminable area).When described viewpoint position is positioned at (a-quadrant of user's current fixation mobile terminal screen) within a-quadrant, described reminding module 20 determines the marking area of screen.It should be noted that, saliency is visual signature important in image, and it embodies the attention degree of human eye to some region of image.In the present embodiment, when determining the marking area of screen, the marking area of at least one conspicuousness detection algorithm to mobile terminal current wallpaper in HC algorithm, LC algorithm, RC algorithm, SR algorithm, IG algorithm, HIG algorithm, AC algorithm and FT algorithm specifically can be adopted to extract, and after the marking area extracting wallpaper, the screen area of its correspondence is defined as the marking area of mobile terminal screen.Those skilled in the art can select conspicuousness detection algorithm according to actual needs, and such as, in LC algorithm, the significance value of each pixel is the summation of certain distance of other all pixels in itself and image, and this distance generally uses Euclidean distance.

After the marking area determining described screen, the marking area application animation effect that described reminding module 20 is being determined, watches described marking area attentively to make user.Concrete, described reminding module 20 realizes the animation effect of image in marking area by loading the broadcasting script preset.Described broadcasting script comprises the first animation control routine for pointing out user to input the animation effect of eyeprint feature, described reminding module 20 is after the marking area determining screen, load described broadcasting script and perform the first animation control routine in the broadcasting script loaded, input the animation effect of eyeprint feature the marking area Application Hints user determined, the image in described marking area can be made to show with the form of animation.It is easily understood that different functions and alerting pattern can be realized by loading different broadcasting scripts.Wherein, described broadcasting script can be stored in mobile terminal this locality, also can be stored in high in the clouds, and when needs load, described reminding module 20 obtains the broadcasting script needing to load from mobile terminal this locality or high in the clouds.Such as, mobile phone as shown in Figure 5, the marking area determined is the Z region at eyeball image place in wallpaper, and described mobile phone applies animation effect in Z region, and the eyeball of wallpaper presents the animation effect of flash of light, attracts the attentiveness of user.

In other embodiments, aforementioned after the viewpoint position getting user, if described viewpoint position is positioned at outside a-quadrant (predeterminable area), namely when described viewpoint position is positioned at (the B region of user's current fixation mobile terminal screen) within B region, described reminding module 20 is the exportable information pointing out user's typing eyeprint feature also, such as, described reminding module 20 can directly at screen display eyeprint feature input prompt frame, and display reminding information " asks typing eyeprint feature ".

Handover module 30, carries out verification operation for the eyeprint feature gathering user, and when being verified, switches described mobile terminal to released state.

In the present embodiment, when described reminding module 20 is after the described marking area determined starts to apply animation effect, handover module 30 calls the eyeprint feature of camera collection user, it will be understood by those skilled in the art that, due to the conspicuousness of marking area and the attraction of animation effect, user can be made to watch described marking area attentively, thus make it possible to the eyeprint feature collecting user accurately.Described handover module 30, when gathering the eyeprint feature of user, is positioned by the eyeball of camera to user, and according to the requirement of eyeball recognizer, the eyeprint feature image/video of shooting user, and then extract the eyeprint feature of user.Wherein, eyeprint feature mainly refers to the vein blood vessel feature be distributed on white of the eye, usually possesses tens to characteristic point up to a hundred.In addition, in the present embodiment, described handover module 30 gathers the eyeprint feature having home subscriber (having the user of default access rank) eyeball different angles in advance, and in the eyeprint property data base that the eyeprint characteristic storage gathered extremely is preset.It should be noted that, described handover module 30 does not store the eyeprint feature image/video of shooting, only preserves the eyeprint feature from eyeprint feature image/video extraction, and eyeprint feature can not the original eyeprint feature image/video of reverse release.Be understandable that, except gathering the eyeprint feature of home subscriber, also can gather the eyeprint feature of other users (as other kinsfolks) of home subscriber mandate, and be stored in described eyeprint property data base.

After the eyeprint feature getting user, the eyeprint feature of the eyeprint feature of acquisition with eyeprint characteristic library storage is mated by described handover module 30, if the similarity of two eyeprint features reaches more than predetermined threshold value, is then verified.Wherein, described predetermined threshold value can be arranged according to actual needs, and such as, described predetermined threshold value is set to 99.8% by the present embodiment.Based on aforementioned description, it will be appreciated by persons skilled in the art that when being verified, illustrate that user is home subscriber or other authorized users of mobile terminal, now handover module 30 switches mobile terminal to released state, for user.

Alternatively, aforementioned playout script also comprises the second animation control routine for pointing out the animation effect be verified, in the present embodiment, described handover module 30 is while unblock, described second animation control routine can also be performed, with the animation effect passed through in the user rs authentication of described marking area Application Hints, to promote Consumer's Experience.

In other embodiments, described mobile terminal also comprises alarm module, for when authentication failed, carries out alarm operation.

Based on aforementioned description, it will be understood by those skilled in the art that, getting the eyeprint feature of user, and during the described eyeprint signature verification failure obtained, illustrate now for using the user of mobile terminal neither the home subscriber of mobile terminal, neither other authorized users, there is the situation that mobile terminal is stolen.Therefore, be the fail safe of lifting mobile terminal, when the described eyeprint signature verification failure obtained, carry out alarm operation.Wherein, the alarm operation that mobile terminal carries out needs the user by having default access rank to remove, and namely needs to be removed by the home subscriber of mobile terminal.

Alternatively, aforementioned playout script also comprises the 3rd animation control routine of the animation effect for pointing out authentication failed, in the present embodiment, described alarm module is while warning, described 3rd animation control routine can also be performed, with the animation effect in described marking area Application Hints user rs authentication failure.

The mobile terminal unlocking device that the present embodiment proposes, user is monitored at the viewpoint position of mobile terminal screen, when identifying that the viewpoint position of user is positioned within predeterminable area, and mobile terminal is when being in the lock state, determine that mobile terminal screen is significantly different from the marking area of other screen areas further, and the marking area application animation effect determined, the image in described marking area is shown with the form of animation, it will be understood by those skilled in the art that, due to the conspicuousness of marking area and the attraction of animation effect, user can be made to watch described marking area attentively, thus make mobile terminal have the eyeprint feature of time enough collection user to verify.Compared to prior art, present invention, avoiding user and be not intended to Oculomotor problem in the process of mobile terminal collection eyeprint feature, the accuracy that mobile terminal eyeprint unlocks can be improved.

Further, based on the first embodiment, second embodiment of mobile terminal unlocking device of the present invention is proposed, in the present embodiment, described reminding module 20 is also for being positioned at outside predeterminable area at described viewpoint position, and described mobile terminal is current when being in the lock state, export the information of prompting user typing eyeprint feature.

In the present embodiment, after described acquisition module 10 gets the viewpoint position of user, if described viewpoint position is positioned at outside a-quadrant (predeterminable area) as shown in Figure 4, namely, when described viewpoint position is positioned at (the B region of user's current fixation mobile terminal screen) within B region, described reminding module 20 exports the information of prompting user typing eyeprint feature.On the screen of described mobile terminal, specifically show eyeprint feature input prompt frame, described eyeprint feature input prompt frame comprises the information that prompting user inputs eyeprint feature.Wherein, the particular content of the size of described input prompt frame of display, position and information is arranged according to actual needs, such as, described reminding module 20 can directly at the central area of described mobile terminal screen display eyeprint feature input prompt frame, and display reminding information " asks typing eyeprint feature ".

Further, based on the first embodiment, 3rd embodiment of mobile terminal unlocking device of the present invention is proposed, in the present embodiment, described mobile terminal unlocking device also comprises identification module, for being positioned within predeterminable area at described viewpoint position, and described mobile terminal is current when being in the lock state, and identifies the eyeball image of described mobile terminal current wallpaper;

Described reminding module 20 also for unidentified to eyeball image time, determine the marking area of described screen, and show the image in described marking area with the form of animation;

Described reminding module 20, also for when recognizing eyeball image, shows described eyeball image with the form of animation.

In the present embodiment, be positioned within predeterminable area at the viewpoint position recognizing user, and described mobile terminal is current when being in the lock state, first identification module identifies the wallpaper of the current display of described mobile terminal, to determine whether described wallpaper comprises eyeball image.Concrete, first adopt default pupil color characteristic to carry out preliminary matches to described wallpaper, filter out the candidate region of eyeball; After the candidate region filtering out eyeball, utilize the data template comprising eyeball feature to mate further the candidate region filtered out, match eyeball; Alternatively, after the eyeball matching described wallpaper, can directly using the application region of the screen area corresponding to the eyeball of coupling as described animation effect, also can using the application region of the screen area of preset range around the eyeball of coupling as described animation effect, such as, with reference to Fig. 5, Z region as shown in Figure 5, after the eyeball image recognizing current wallpaper, is defined as the application region of described animation effect by identification module.It will be understood by those skilled in the art that, because purport of the present invention is to carry out eyeprint unblock accurately, if the eyeball of optional m igration terminal wallpaper is as the application region of animation effect, can effectively attract user to watch attentively, promote the accuracy that eyeprint unlocks.

Further, aforementioned identification module is when identifying the eyeball image of described wallpaper, if the unidentified eyeball image to described wallpaper, then described reminding module 20 can using the application region of the marking area of described screen as animation effect, specifically can refer to previous embodiment, repeat no more herein.

The present embodiment, by carrying out the identifying operation of eyeball image, selects the application region of different animation effects according to different recognition results, the eyeprint of mobile terminal is unlocked more flexible, also hommization more.

Further, based on aforementioned any embodiment, 4th embodiment of mobile terminal unlocking device of the present invention is proposed, in the present embodiment, described handover module 30 is not also for getting described viewpoint position, and described mobile terminal is current when being in released state, switch described mobile terminal to lock-out state.

It will be appreciated by persons skilled in the art that in the actual use procedure of mobile terminal, user can process other affairs or rest and suspend use mobile terminal, i.e. the normally intermittent use mobile terminal of user.When user suspends use mobile terminal, as user puts down the mobile terminal of current use, described acquisition module 10 will obtain the viewpoint position less than user.

In the present embodiment, do not getting user when the viewpoint position of the screen of described mobile terminal, the now paused use mobile terminal of user is described, if described mobile terminal is current be in released state, then handover module 30 switches described mobile terminal to lock-out state.Such as, in displaying video process, when not getting the viewpoint position of user, illustrating that now user leaves, exit the video of current broadcasting and lock; Again such as, in the social application process of operation, when not getting the viewpoint position of user, illustrate that now user leaves, social activity out of service is applied and is locked.It should be noted that, in the present embodiment, when mobile terminal is in the lock state and is in released state, the acquisition cycle of viewpoint position can be set to difference.Alternatively, the present embodiment viewpoint position arranged when mobile terminal is in released state obtains the viewpoint position that the cycle is greater than when mobile terminal is in the lock state and obtains the cycle, such as, when mobile terminal is in released state, described acquisition module 10 obtained the viewpoint position of a user at interval of 2 minutes; When mobile terminal is in the lock state, described acquisition module 10 obtained the viewpoint position of a user at interval of 5 seconds.

In addition, in the actual use procedure of mobile terminal, also there is the situation of user's nictation, in the process of user's nictation (when especially closing one's eyes), the viewpoint position that described acquisition module 10 also will obtain less than user.Therefore, for avoiding blinking the errored response caused due to user, alternatively, in the present embodiment, when arriving the acquisition cycle of viewpoint position, if described acquisition module 10 does not get the viewpoint position of user in preset time period, and described mobile terminal is current when being in released state, and handover module 30 switches described mobile terminal to lock-out state.Wherein, described preset time period is specifically arranged according to actual needs, such as, can be set to 1 second.

The present embodiment is not by getting the viewpoint position of user, and mobile terminal is current when being in released state, and switch described mobile terminal to lock-out state, can guarantee that mobile terminal is when user suspends use, the data content of storage is not obtained by disabled user.

Further, based on aforementioned any embodiment, propose the 5th embodiment of mobile terminal unlocking device of the present invention, in the present embodiment, described acquisition module 10 is also for determining the positional information of user pupil center based on face area based on user's face image of shooting; And determine the viewpoint position of user at the screen of mobile terminal based on the mapping relations of the positional information preset and viewpoint position.

In the present embodiment, it is close that the proximity transducer that described acquisition module 10 can be preset by mobile terminal has identified whether user, is the face image of then triggering mobile terminals shooting user; The face transducer can also preset by mobile terminal is identified, when recognizing face, and the face image of triggering mobile terminals shooting user.

After the face image photographing user, first the face image of shooting is converted to gray level image by coloured image by described acquisition module 10, gray level image after conversion is processed, significantly can reduce the consumption of mobile terminal process resource, and significantly improve processing speed, and on precision without impact.

After the conversion completing gray level image, described acquisition module 10 obtains the black fritter in gray level image, as the candidate region of human eye, tentatively determines the position of human eye.Pupil due to human eye is black, and its gray value is minimum in whole gray level image.Utilize this feature, tentatively can determine the position of human eye.In addition, because the area of pupil is very little, this feature is utilized, can by eyebrow, the black region that hair etc. are large is got rid of.

Described acquisition module 10, to the candidate region determined, extracts iris boundary.Because the color of iris is comparatively dark, distinguish obviously with the white of the eye.Boundary extraction algorithm in concrete usable image process locates the border of iris.Then according to hough conversion, the circle mating iris boundary is most found.Because the center of circle of iris is identical with the center of circle of pupil, then can using the pupil center of the center of circle of the circle of coupling as user.After the pupil center determining user, the positional information of user pupil center based on face area can be determined.

After determining the positional information of user pupil center based on face area, described acquisition module 10 can determine the viewpoint position of user at mobile terminal based on the mapping relations of the positional information preset and viewpoint position.Wherein, the mapping relations of described positional information and viewpoint position can be arranged based on the verification operation of carrying out in advance, such as, mobile terminal shows multiple datum mark, and point out user to watch datum mark attentively successively, and after receiving user and having watched the confirmation of datum mark attentively, obtain the positional information of user pupil center based on face area, the mapping relations of described positional information and viewpoint position are then formed by the positional information that each datum mark of multiple datum mark and acquisition is corresponding.

The present invention further provides a kind of mobile terminal unlock method, with reference to Fig. 6, in the first embodiment of mobile terminal unlock method of the present invention, described mobile terminal unlock method comprises:

Step S10, obtains the viewpoint position of user at the screen of mobile terminal;

It should be noted that, the mobile terminal unlock method that the present embodiment proposes completes based on the eyeprint feature of user, such as, the mobile phone cycle obtains the viewpoint position of user at mobile phone screen, time within the predeterminable area that described viewpoint position is positioned at screen, the marking area of mobile phone determination screen, and the marking area application animation effect determined, attract user to watch marking area attentively, thus collect the eyeprint feature of user accurately, carry out checking to unlock, reach and improve the object that eyeprint unlocks accuracy.

In the present embodiment, acquisition user when the viewpoint position of the screen of mobile terminal, can the viewpoint position of user in real, also can the viewpoint position of timing acquisition user, the specifically viewpoint position of user in real, or how long the viewpoint position of timing acquisition user and interval obtain the viewpoint position of user, can be arranged as required by user's (home subscriber as mobile terminal) with default access rank.Such as, in the present embodiment, mobile terminal default interval obtains the viewpoint position of a user for 3 seconds.

Step S20, is positioned within predeterminable area at described viewpoint position, and described mobile terminal is current when being in the lock state, and determines the marking area of described screen, and shows the image in described marking area with the form of animation;

Wherein, after the viewpoint position getting user, described mobile terminal judges whether described viewpoint position is positioned within a-quadrant (predeterminable area).When described viewpoint position is positioned at (a-quadrant of user's current fixation mobile terminal screen) within a-quadrant, the marking area of described mobile terminal determination screen.It should be noted that, saliency is visual signature important in image, and it embodies the attention degree of human eye to some region of image.In the present embodiment, when determining the marking area of screen, the marking area of at least one conspicuousness detection algorithm to mobile terminal current wallpaper in HC algorithm, LC algorithm, RC algorithm, SR algorithm, IG algorithm, HIG algorithm, AC algorithm and FT algorithm specifically can be adopted to extract, and after the marking area extracting wallpaper, the screen area of its correspondence is defined as the marking area of mobile terminal screen.Those skilled in the art can select conspicuousness detection algorithm according to actual needs, and such as, in LC algorithm, the significance value of each pixel is the summation of certain distance of other all pixels in itself and image, and this distance generally uses Euclidean distance.

After the marking area determining described screen, the marking area application animation effect that described mobile terminal is being determined, watches described marking area attentively to make user.Concrete, described mobile terminal realizes the animation effect of image in marking area by loading the broadcasting script preset.Described broadcasting script comprises the first animation control routine for pointing out user to input the animation effect of eyeprint feature, described mobile terminal is after the marking area determining screen, load described broadcasting script and perform the first animation control routine in the broadcasting script loaded, input the animation effect of eyeprint feature the marking area Application Hints user determined, the image in described marking area can be made to show with the form of animation.It is easily understood that different functions and alerting pattern can be realized by loading different broadcasting scripts.Wherein, described broadcasting script can be stored in mobile terminal this locality, also can be stored in high in the clouds, when needs load, obtains the broadcasting script needing to load from mobile terminal this locality or high in the clouds.Such as, mobile phone as shown in Figure 5, the marking area determined is the Z region at eyeball image place in wallpaper, and described mobile phone applies animation effect in Z region, and the eyeball of wallpaper presents the animation effect of flash of light, attracts the attentiveness of user.

In other embodiments, aforementioned after the viewpoint position getting user, if described viewpoint position is positioned at outside a-quadrant (predeterminable area), namely when described viewpoint position is positioned at (the B region of user's current fixation mobile terminal screen) within B region, described mobile terminal is the exportable information pointing out user's typing eyeprint feature also, prompting user inputs eyeprint feature, such as, described mobile terminal can directly at screen display eyeprint feature input prompt frame, and display reminding information " asks typing eyeprint feature ".

Step S30, the eyeprint feature gathering user carries out verification operation, and when being verified, switches described mobile terminal to released state.

In the present embodiment, described mobile terminal is after the described marking area determined starts to apply animation effect, call the eyeprint feature of camera collection user, it will be understood by those skilled in the art that, due to the conspicuousness of marking area and the attraction of animation effect, user can be made to watch described marking area attentively, thus make described mobile terminal can collect the eyeprint feature of user accurately.Described mobile terminal, when gathering the eyeprint feature of user, can be positioned by the eyeball of camera to user, and according to the requirement of eyeball recognizer, the eyeprint feature image/video of shooting user, and then extract the eyeprint feature of user.Wherein, eyeprint feature mainly refers to the vein blood vessel feature be distributed on white of the eye, usually possesses tens to characteristic point up to a hundred.In addition, in the present embodiment, mobile terminal gathers the eyeprint feature of home subscriber (having the user of default access rank) eyeball different angles in advance, and in the eyeprint property data base that the eyeprint characteristic storage gathered extremely is preset.It should be noted that, mobile terminal does not store the eyeprint feature image/video of shooting, only preserves the eyeprint feature from eyeprint feature image/video extraction, and eyeprint feature can not the original eyeprint feature image/video of reverse release.Be understandable that, except gathering the eyeprint feature of home subscriber, also can gather the eyeprint feature of other users (as other kinsfolks) of home subscriber mandate, and be stored in described eyeprint property data base.

After the eyeprint feature getting user, the eyeprint feature of the eyeprint feature of acquisition with eyeprint characteristic library storage is mated by mobile terminal, if the similarity of two eyeprint features reaches more than predetermined threshold value, is then verified.Wherein, described predetermined threshold value can be arranged according to actual needs, and such as, described predetermined threshold value is set to 99.8% by the present embodiment.Based on aforementioned description, it will be appreciated by persons skilled in the art that when being verified, illustrating that user is home subscriber or other authorized users of mobile terminal, now switching to released state, for user.

In addition, aforementioned playout script also comprises the second animation control routine for pointing out the animation effect be verified, in the present embodiment, described mobile terminal is while unblock, described second animation control routine can also be performed, with the animation effect passed through in the user rs authentication of described marking area Application Hints, to promote Consumer's Experience.

In other embodiments, when authentication failed, also alarm operation can be carried out.

The mobile terminal unlock method that the present embodiment proposes, user is monitored at the viewpoint position of mobile terminal screen, when identifying that the viewpoint position of user is positioned within predeterminable area, and mobile terminal is when being in the lock state, determine that mobile terminal screen is significantly different from the marking area of other screen areas further, and the marking area application animation effect determined, the image in described marking area is shown with the form of animation, it will be understood by those skilled in the art that, due to the conspicuousness of marking area and the attraction of animation effect, user can be made to watch described marking area attentively, thus make mobile terminal have the eyeprint feature of time enough collection user to verify.Compared to prior art, present invention, avoiding user and be not intended to Oculomotor problem in the process of mobile terminal collection eyeprint feature, the accuracy that mobile terminal eyeprint unlocks can be improved.

Further, based on the first embodiment, propose the second embodiment of mobile terminal unlock method of the present invention, in the present embodiment, after described step S10, also comprise:

In the present embodiment, after the viewpoint position getting user, if described viewpoint position is positioned at outside a-quadrant (predeterminable area) as shown in Figure 4, namely, when described viewpoint position is positioned at (the B region of user's current fixation mobile terminal screen) within B region, the information of prompting user typing eyeprint feature is exported.On the screen of described mobile terminal, specifically show eyeprint feature input prompt frame, described eyeprint feature input prompt frame comprises the information that prompting user inputs eyeprint feature.Wherein, the particular content of the size of the described input prompt frame of described mobile terminal display, position and information is arranged according to actual needs, such as, described mobile terminal can directly at the central area of screen display eyeprint feature input prompt frame, and display reminding information " asks typing eyeprint feature ".

Further, based on the first embodiment, propose the 3rd embodiment of mobile terminal unlock method of the present invention, in the present embodiment, before described step S20, also comprise:

Unidentified to eyeball image time, perform described step S20;

In the present embodiment, be positioned within predeterminable area at the viewpoint position recognizing user, and described mobile terminal is current when being in the lock state, first the wallpaper of the current display of described mobile terminal is identified, to determine whether described wallpaper comprises eyeball image.Concrete, first adopt default pupil color characteristic to carry out preliminary matches to described wallpaper, filter out the candidate region of eyeball; After the candidate region filtering out eyeball, utilize the data template comprising eyeball feature to mate further the candidate region filtered out, match eyeball; Alternatively, after the eyeball matching described wallpaper, can directly using the application region of the screen area corresponding to the eyeball of coupling as described animation effect, also can using the application region of the screen area of preset range around the eyeball of coupling as described animation effect, such as, with reference to Fig. 5, Z region as shown in Figure 5, after the eyeball image recognizing current wallpaper, is defined as the application region of described animation effect by mobile phone.It will be understood by those skilled in the art that, because purport of the present invention is to carry out eyeprint unblock accurately, if the eyeball of optional m igration terminal wallpaper is as the application region of animation effect, can effectively attract user to watch attentively, promote the accuracy that eyeprint unlocks.

Further, aforementioned when identifying the eyeball image of described wallpaper, if the unidentified eyeball image to described wallpaper, then using the application region of the marking area of described screen as animation effect, specifically can refer to previous embodiment, repeat no more herein.

Further, based on aforementioned any embodiment, propose the 4th embodiment of mobile terminal unlock method of the present invention, in the present embodiment, after described step S10, also comprise:

It will be appreciated by persons skilled in the art that in the actual use procedure of mobile terminal, user can process other affairs or rest and suspend use mobile terminal, i.e. the normally intermittent use mobile terminal of user.When user suspends use mobile terminal, as user puts down the mobile terminal of current use, mobile terminal will obtain the viewpoint position less than user.

In the present embodiment, do not get user when the viewpoint position of the screen of described mobile terminal, the now paused use mobile terminal of user is being described, if described mobile terminal is current be in released state, then switch described mobile terminal to lock-out state.Such as, in displaying video process, when not getting the viewpoint position of user, illustrating that now user leaves, exit the video of current broadcasting and lock; Again such as, in the social application process of operation, when not getting the viewpoint position of user, illustrate that now user leaves, social activity out of service is applied and is locked.It should be noted that, in the present embodiment, when mobile terminal is in the lock state and is in released state, the acquisition cycle of viewpoint position can be set to difference.Alternatively, the present embodiment viewpoint position arranged when mobile terminal is in released state obtains the viewpoint position that the cycle is greater than when mobile terminal is in the lock state and obtains the cycle, such as, when mobile terminal is in released state, obtained the viewpoint position of a user at interval of 2 minutes; When mobile terminal is in the lock state, obtained the viewpoint position of a user at interval of 5 seconds.

In addition, in the actual use procedure of mobile terminal, also there is the situation of user's nictation, in the process of user's nictation (when especially closing one's eyes), the viewpoint position that mobile terminal also will obtain less than user.Therefore, for avoiding causing the errored response of mobile terminal because user blinks, alternatively, in the present embodiment, when arriving the acquisition cycle of viewpoint position, if do not get the viewpoint position of user in preset time period, and described mobile terminal is current when being in released state, switches described mobile terminal to lock-out state.Wherein, described preset time period is specifically arranged according to actual needs, such as, can be set to 1 second.

Further, based on aforementioned any embodiment, propose the 5th embodiment of mobile terminal unlock method of the present invention, in the present embodiment, described step S10 comprises:

In the present embodiment, it is close that the proximity transducer can preset by mobile terminal has identified whether user, is the face image of then triggering mobile terminals shooting user; The face transducer can also preset by mobile terminal is identified, when recognizing face, and the face image of triggering mobile terminals shooting user.

After the face image photographing user, first the face image of shooting is converted to gray level image by coloured image, the gray level image after conversion is processed, significantly can reduce the consumption of mobile terminal process resource, and significantly improve processing speed, and on precision without impact.

After the conversion completing gray level image, obtain the black fritter in gray level image, as the candidate region of human eye, tentatively determine the position of human eye.Pupil due to human eye is black, and its gray value is minimum in whole gray level image.Utilize this feature, tentatively can determine the position of human eye.In addition, because the area of pupil is very little, this feature is utilized, can by eyebrow, the black region that hair etc. are large is got rid of.

To the candidate region determined, extract iris boundary.Because the color of iris is comparatively dark, distinguish obviously with the white of the eye.Boundary extraction algorithm in concrete usable image process locates the border of iris.Then according to hough conversion, the circle mating iris boundary is most found.Because the center of circle of iris is identical with the center of circle of pupil, then can using the pupil center of the center of circle of the circle of coupling as user.After the pupil center determining user, the positional information of user pupil center based on face area can be determined.

After determining the positional information of user pupil center based on face area, the mapping relations based on the positional information preset and viewpoint position can determine the viewpoint position of user at mobile terminal.Wherein, the mapping relations of described positional information and viewpoint position can be arranged based on the verification operation of carrying out in advance, such as, mobile terminal shows multiple datum mark, and point out user to watch datum mark attentively successively, and after receiving user and having watched the confirmation of datum mark attentively, obtain the positional information of user pupil center based on face area, the mapping relations of described positional information and viewpoint position are then formed by the positional information that each datum mark of multiple datum mark and acquisition is corresponding.

Through the above description of the embodiments, those skilled in the art can be well understood to the mode that above-described embodiment method can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computer, server, air conditioner, or the network equipment etc.) perform method described in each embodiment of the present invention.

These are only optional embodiment of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims

1. a mobile terminal unlocking device, is characterized in that, described mobile terminal unlocking device comprises:

2. mobile terminal unlocking device as claimed in claim 1, it is characterized in that, described reminding module is also for being positioned at outside predeterminable area at described viewpoint position, and described mobile terminal is current when being in the lock state, and exports the information of prompting user typing eyeprint feature.

3. mobile terminal unlocking device as claimed in claim 1, it is characterized in that, described mobile terminal unlocking device also comprises:

4. the mobile terminal unlocking device as described in any one of claim 1-3, is characterized in that, described handover module is not also for getting described viewpoint position, and described mobile terminal is current when being in released state, switches described mobile terminal to lock-out state.

5. the mobile terminal unlocking device as described in any one of claim 1-3, is characterized in that, described acquisition module is also for determining the positional information of user pupil center based on face area based on user's face image of shooting; And determine the viewpoint position of user at the screen of mobile terminal based on the mapping relations of the positional information preset and viewpoint position.

6. a mobile terminal unlock method, is characterized in that, described mobile terminal unlock method comprises:

Obtain the viewpoint position of user at the screen of mobile terminal;

7. mobile terminal unlock method as claimed in claim 6, it is characterized in that, described acquisition user, after the step of the viewpoint position of the screen of mobile terminal, also comprises:

8. mobile terminal unlock method as claimed in claim 6, is characterized in that, the described marking area determining described screen, and show the step of the image in described marking area with the form of animation before, also comprises:

9. the mobile terminal unlock method as described in any one of claim 6-8, is characterized in that, described acquisition user, after the step of the viewpoint position of the screen of mobile terminal, also comprises:

10. the mobile terminal unlock method as described in any one of claim 6-8, is characterized in that, described acquisition user comprises in the step of the viewpoint position of the screen of mobile terminal: