CN109461276A - Intelligent terminal theft preventing method and intelligent terminal - Google Patents
Intelligent terminal theft preventing method and intelligent terminal Download PDFInfo
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- CN109461276A CN109461276A CN201811627570.8A CN201811627570A CN109461276A CN 109461276 A CN109461276 A CN 109461276A CN 201811627570 A CN201811627570 A CN 201811627570A CN 109461276 A CN109461276 A CN 109461276A
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Abstract
The invention discloses a kind of intelligent terminal theft preventing method and intelligent terminals.This method comprises: the photographing module being mounted in intelligent terminal acquires image according to pre-set collection period；The image for determining that the image of current collection period acquisition is acquired with a upper collection period does not match that, locks intelligent terminal screen and user is notified to input unlocking pin information；It determines received unlocking pin information errors, or is not received by unlocking pin information in pre-set unlocked time, triggering alarm.With the application of the invention, the anti-theft effect of intelligent terminal can be promoted.
Description
Technical field
The present invention relates to intelligent terminal technologies, and in particular to a kind of intelligent terminal theft preventing method and intelligent terminal
Equipment.
Background technique
Intelligent terminal refers to the equipment with multimedia function, can support audio, video, data transmission, pass through
Using open operating system, corresponding application program can be loaded to realize corresponding application function, run for application program
There is provided platform with content service so that a large amount of value-added service, for example, news, weather, traffic, commodity, application program downloading,
Music picture downloading etc. can based on the platform realize, comprising: videophone, conference terminal, built-in multimedia function PC,
PDA etc..
With mobile communication technology, the especially development of 3G, 4G communication technology, the function of intelligent terminal is more and more stronger
Greatly, collect call, short message, network insertion, video display amusement, network instant communication, e-Bank payment, online game, digital map navigation one
The comprehensive terminal device of body, has become the important carrier of user's life, work, leisure, amusement, and plays increasingly heavier
The effect wanted.
It brings great advantage to the user and while high user experience intelligent terminal is powerful, due to intelligence
The energy higher price of terminal device, also becomes the target that many illegal persons are committed theft.And since intelligent terminal is powerful
Function is stored with a large amount of individual subscriber data in intelligent terminal, for example, video, photo, document, bank's card number,
Encrypted message, privacy information etc., thus, the loss of intelligent terminal or it is stolen will bring great inconvenience to users, illustrate
For, the loss on user's property is not only caused, also the spiritual loss of user can be caused due to the leakage of privacy information；Into
One step, due to the loss of the contact method stored in intelligent terminal, make troubles to user's daily life and work.
It loses or is stolen in order to avoid intelligent terminal and give user's bring inconvenience, in the prior art, pass through intelligent end
End equipment manufacturer, carrier customization intelligent terminal anti-theft program, alternatively, user is voluntarily in intelligent terminal operating system
Upper installation intelligent terminal anti-theft program, and the antitheft journey of intelligent terminal is resident on intelligent terminal operating system backstage
Sequence process.In intelligent terminal anti-theft program process detection to after occurring the stolen event of pre-set intelligent terminal,
Then according to pre-set antitheft strategy.Wherein, by taking intelligent terminal is mobile phone as an example, intelligent terminal is stolen thing
Part, which can be, pre-recorded is stored in intelligent terminal Subscriber Identity Module (SIM, Subscriber Identity Module)
In international mobile subscriber identity (IMSI:International Mobile Subscriber Identification
Number), after intelligent terminal is stolen, if stealer has replaced SIM card, the inspection of intelligent terminal anti-theft program process
It measures IMSI to change, it is determined that pre-set intelligent terminal occurs and is stolen event, antitheft strategy, which can be, to be sent out
After raw pre-set intelligent terminal is stolen event, triggering intelligent terminal anti-theft program issues alarm sound, locks
Intelligent terminal hardware, automatic opening intelligent terminal camera are shot, and the image of shooting are sent in advance
The mailbox of setting sends short message etc. to preset Mobile Directory Number.
From the foregoing, it can be seen that existing intelligent terminal theft preventing method, by installing intelligence in intelligent terminal eventually
End equipment anti-theft program, after the SIM card of intelligent terminal is replaced, intelligent terminal anti-theft program process detection to IMSI is sent out
It changes more, is then handled according to antitheft strategy, although the loss of user can be reduced by measures such as locking hardware, realized
Be post-processing after intelligent terminal is stolen, anti-theft measure, antitheft effect cannot be taken when intelligent terminal is stolen
Fruit is poor；Further, stealer is after stealing intelligent terminal, if being changed without SIM card, can not trigger intelligent terminal
Theft protection for devices program, stealer can normal use intelligent terminal, anti-theft function failure, to cause damages to user,
But also anti-theft effect is poor.
Summary of the invention
In view of the above problems, it proposes on the present invention overcomes the above problem or at least be partially solved in order to provide one kind
State the intelligent terminal theft preventing method and intelligent terminal of problem.
According to one aspect of the present invention, intelligent terminal theft preventing method is provided, this method comprises:
The photographing module being mounted in intelligent terminal acquires image according to pre-set collection period；
The image for determining that the image of current collection period acquisition is acquired with a upper collection period does not match that, locks intelligence eventually
End equipment screen simultaneously notifies user to input unlocking pin information；
It determines received unlocking pin information errors, or is not received by unlocking pin in pre-set unlocked time
Information, triggering alarm.
Preferably, it is acquired in the camera for being mounted on intelligent terminal according to the triggering of pre-set collection period
Before image, the method further includes:
Microphone by being mounted on intelligent terminal obtains intelligent terminal local environment volume, is determining ambient sound
After amount is greater than pre-set volume threshold, the process of the acquisition image is executed.
Preferably, the image that the image of the current collection period acquisition of the determination is acquired with a upper collection period does not match that
Include:
Obtain the pixel value of each pixel in the image of current collection period acquisition；
Each pixel in the image of current collection period acquisition is traversed, the image slices vegetarian refreshments of current collection period acquisition is calculated
Pixel value and corresponding position on a collection period acquisition image slices vegetarian refreshments pixel value difference；
It determines that the difference is greater than pre-set pixel value threshold value, which is counted；
Determine that the count value counted to get is greater than pre-set count value threshold value, then the image of current collection period acquisition
It is not matched that with the image of upper collection period acquisition.
Preferably, the pixel value of the pixel includes the gray value of pixel and the coloured light tristimulus values of pixel.
Preferably, using described in absolute equilibrium searching algorithm, normalization integration method or sequential similarity detection algorithm calculating
The gray value of pixel.
Preferably, the image that the image of the current collection period acquisition of the determination is acquired with a upper collection period does not match that
Include:
The characteristic point in the image of current collection period acquisition is extracted using pre-set feature extraction algorithm；
Parameter description is carried out to the characteristic point of extraction, obtains characteristic point feature vector；
The similarity between each characteristic point feature vector is calculated, matching characteristic point is obtained；
Determine that matching characteristic points are less than pre-set feature and count threshold value, then the image of current collection period acquisition with
The image of upper collection period acquisition does not match that.
Preferably, the feature extraction algorithm includes: color feature extracted algorithm, Texture Segmentation Algorithm, shape spy
Levy extraction algorithm and spatial relation characteristics extraction algorithm.
Preferably, described that user is notified to input unlocking pin information and include:
On the intelligent terminal screen of locking, display inputs the prompt window of unlocking pin information for user.
Preferably, described that user is notified to input unlocking pin information and include:
On the intelligent terminal screen of locking, display inputs the prompt window of unlocking pin information for user and broadcasts
Put the voice for reminding user to input unlocking pin information.
Preferably, described that user is notified to input unlocking pin information and include:
On the intelligent terminal screen of locking, display inputs the prompt window of unlocking pin information for user and leads to
Crossing vibration mode reminds user to input unlocking pin information.
Preferably, the received unlocking pin information errors of the determination include:
In pre-set unlock number, each received unlocking pin information is all believed with pre-set unlocking pin
Breath does not match that.
Preferably, the received unlocking pin information errors of the determination include:
In pre-set unlocked time, each received unlocking pin information is all believed with pre-set unlocking pin
Breath does not match that.
Preferably, after triggering alarm, the method further includes:
After the pre-set waiting time, notifies user to input unlocking pin information again, inputted again in user
After unlocking pin information and pre-set unlocking pin information do not match that, continue to lock intelligent terminal screen.
Preferably, the triggering alarm after or it is described continue lock intelligent terminal screen after, the method into
One step includes:
Storage content in intelligent terminal is forwarded to pre-set first intelligent terminal of user.
Preferably, the storage content include: one of address list, short message, photo, mail, notepad or its
Meaning combination.
Preferably, the method further includes:
Remove the storage content in intelligent terminal.
Preferably, after being unlocked to the intelligent terminal screen of locking, the method further includes:
Photographing module is closed, carries out timing, and after timing to pre-set break period, starts photographing module.
Preferably, the method further includes:
Continue Image Acquisition, and the image of acquisition is sent directly to pre-set second intelligent terminal.
Preferably, after triggering alarm, the method further includes:
Warning message is sent to pre-set network server, so that network server obtains intelligence according to warning message
The location information of energy terminal device.
A kind of intelligent terminal is provided according to another aspect of the present invention, which includes: camera shooting
Module, images match module, locking processing module and alarm module, wherein
Photographing module for acquiring image according to pre-set collection period, and the image of acquisition is exported to image
Matching module；
Images match module, the image that image and a upper collection period for determining current collection period acquisition acquire is not
Match, notifies locking processing module；
Locking processing module, for locking intelligent terminal screen according to notice and user being notified to input unlocking pin letter
Breath；
Alarm module, for determining whether received unlocking pin information is correct, if received unlocking pin information is wrong
Accidentally, or unlocking pin information is not received by pre-set unlocked time, triggering alarm.
Preferably, further comprise:
Volume measurement module obtains intelligent terminal local environment for the microphone by being mounted on intelligent terminal
Volume notifies photographing module after determining that environmental volume is greater than pre-set volume threshold.
Preferably, the alarm module is further used for for warning message being sent to pre-set network server, with
Network server is set to obtain the location information of intelligent terminal according to warning message.
Preferably, described image matching module include: pixel value extraction unit, difference computational unit, counting unit and
Image matching unit, wherein
Pixel value extraction unit, for obtaining the pixel value of each pixel in the image that current collection period acquires；
Difference computational unit calculates current acquisition week for traversing each pixel in the image that current collection period acquires
The difference of the pixel value of the image slices vegetarian refreshments of collection period acquisition on the pixel value and corresponding position of the image slices vegetarian refreshments of phase acquisition
Value；
Counting unit, for determining that the difference that difference computational unit is calculated is greater than pre-set pixel value threshold
Value, counts the pixel；
Image matching unit, for determining that the count value that counting unit counts obtain is greater than pre-set count value threshold
Value, the image for determining that the image of current collection period acquisition is acquired with a upper collection period do not match that.
Preferably, described image matching module includes: feature point extraction unit, feature vector computing unit, at similarity
Manage unit and image matching unit, wherein
Feature point extraction unit, for extracting the figure of current collection period acquisition using pre-set feature extraction algorithm
Characteristic point as in；
Feature vector computing unit, the characteristic point for extracting to feature point extraction unit carry out parameter description, obtain spy
Levy point feature vector；
Similarity processing unit obtains matching characteristic point for calculating the similarity between each characteristic point feature vector；
Image matching unit, the matching characteristic points for determining that similarity processing unit obtains are less than pre-set spy
Sign points threshold value, the then image that the image of current collection period acquisition is acquired with a upper collection period do not match that.
Preferably, further comprise:
Unlock processing module again, for monitor alarm module triggering alarm after, in the pre-set waiting time
Afterwards, user is notified to input unlocking pin information again, in the unlocking pin information and pre-set unlock that user inputs again
After encrypted message does not match that, continue to lock intelligent terminal screen.
Preferably, further comprise:
Forwarding module, for monitoring that alarm module triggering is alarmed or unlock processing module continues to lock intelligent end again
After end equipment screen, the storage content in intelligent terminal is forwarded to pre-set first intelligent terminal of user.
Preferably, further comprise:
Module is removed, for removing in intelligent terminal after monitoring that forwarding module forwards storage content
Storage content.
Preferably, further comprise:
Time delay module, for monitoring that alarm module determines that received unlocking pin information is correct, to the intelligence of locking
After terminal device screen is unlocked, camera is closed, carries out timing, and after timing to pre-set break period, is led to
Know that photographing module starts.
Preferably, further comprise:
Alarm post-processing module, for after monitoring alarm module triggering alarm, notice photographing module to continue figure
Pre-set second intelligent terminal is sent directly to as acquisition, and by the image that photographing module acquires.
Intelligent terminal theft preventing method and intelligent terminal according to the present invention, can be by being set using intelligent terminal
Photographing module in standby carries out Image Acquisition, and after the image according to acquisition determines that intelligent terminal is displaced, locking
Intelligent terminal screen simultaneously requires user's input unlocking pin information to be unlocked, and is inputting unlocking pin information not just in user
In the case where really, alarms, can solve the technical issues of intelligent terminal informs user in time when stolen, achieve
Anti-theft measure is taken when intelligent terminal is stolen, and is realized instant processing when intelligent terminal is stolen, is avoided intelligent end
Being stolen for end equipment, promotes the anti-theft effect of intelligent terminal, the beneficial effect of the loss of user is effectively reduced.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows the intelligent terminal theft preventing method process of the embodiment of the present invention；And
Fig. 2 shows intelligent terminal structures of the embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Existing intelligent terminal theft preventing method could trigger intelligence only after the SIM card of intelligent terminal is replaced
The intelligent terminal anti-theft program installed in terminal device is handled according to antitheft strategy, is accomplished that intelligent terminal
Post-processing after stolen, cannot take anti-theft measure, anti-theft effect is poor when intelligent terminal is stolen.
In the embodiment of the present invention, by scene of statistics intelligent terminal when stolen, and to it is stolen when scene carry out
After analysis, most of intelligent terminal it is stolen when scene include: that intelligent terminal is placed in and leaves the one of user
The scene of the scene of fixed position, people how crowded (crowded public transport on and off duty, subway, stroll popular market etc.) and ambient noise compared with
Big scene.Thus, in the embodiment of the present invention, scene when the stolen intelligent terminal of user being precipitated for statistical is mentioned
A kind of intelligent terminal theft preventing method out, to inform user in time when stolen in intelligent terminal, thus in intelligence
Terminal device takes anti-theft measure when stolen, realize instant processing when intelligent terminal is stolen, promotes intelligent terminal
Anti-theft effect, the loss of user is effectively reduced.
Fig. 1 shows the intelligent terminal theft preventing method process of the embodiment of the present invention.Referring to Fig. 1, which includes:
Step 101, the photographing module being mounted in intelligent terminal acquires image according to pre-set collection period；
In this step, it is contemplated that when intelligent terminal is stolen, scene is changed at any time.For example, in stealer
During stealing intelligent terminal, scene locating for intelligent terminal becomes in real time with the displacement of terminal device
Change, and shifts the variation occurred and can use the image for the camera acquisition being mounted in intelligent terminal to reflect.Thus,
In the embodiment of the present invention, using the camera being mounted in intelligent terminal, do not changing existing intelligent terminal hardware
On the basis of, displacement based on intelligent terminal proposes anti-theft technique scheme, in this way, can make it is antitheft cost is relatively low,
It is susceptible to user acceptance.
Photographing module includes: camera, video camera and video camera etc..Wherein, camera include: built-in camera and
Front camera.In the embodiment of the present invention, built-in camera is placed in intelligent terminal, and front camera is placed in intelligent terminal
Before equipment and it is located above screen.
Collection period can be configured according to the actual needs of user, can also be with for example, can be set to 10 seconds (s)
It is set as 30s etc., in each collection period, an Image Acquisition is carried out, for example, can be set in the starting of collection period
Between point carry out Image Acquisition, also can be set collection period termination time point carry out Image Acquisition, alternatively, setting acquiring
Period start time point to any time point terminated between time point carries out Image Acquisition.
Step 102, the image for determining that the image of current collection period acquisition is acquired with a upper collection period does not match that, locks
Determine intelligent terminal screen and user is notified to input unlocking pin information；
In this step, the scene for leaving the fixed position of user is placed in for intelligent terminal, for example, in vehicle seat
Or in pocket, since intelligent terminal is placed in fixed position, thus, if adopted according to pre-set collection period
Collect image, then the image of front and back collection period acquisition should be able to match.If the image not phase of front and back collection period acquisition
Matching, shows that the placement location of intelligent terminal is changed, i.e. intelligent terminal may be picked up or just quilt by user
Stealer is taken away, that is to say, that intelligent terminal is shifted.Thus, pass through the image acquired in the collection period of front and back
Variation, can determine whether intelligent terminal is displaced (whether matching), and be displaced in intelligent terminal
When, the intelligent terminal theft preventing method of the embodiment of the present invention is triggered, to ensure that intelligent terminal is not stolen；And in determination
Intelligent terminal is not displaced, then waits the arrival of next collection period, and figure is acquired in next collection period
Picture matches the image acquired in the image acquired in next collection period and current collection period, so recycles.
In the embodiment of the present invention, locking intelligent terminal screen does not have in the given time with existing intelligent terminal screen
Enter unlike lock state of screen after operation, the intelligent terminal screen of locking needs the pre-set unlock of user close
Code information can be just unlocked.
It should be noted that locking intelligent terminal screen and notifying user's input unlocking pin information that there is no successive
Sequence point, that is, notify user input unlocking pin information process can locking intelligent terminal screen process it
Before, simultaneously or after.
As alternative embodiment, image that the image of current collection period acquisition is acquired with a upper collection period not phase is determined
Matching includes:
A11 obtains the pixel value of each pixel in the image of current collection period acquisition；
In this step, for the camera in intelligent terminal, the resolution ratio (pixel of obtained image is shot every time
Point) it is all identical, for example, showing that the image is made of the pixel of 300x300 if resolution ratio is 300x300.Therefore, it is possible to
The matched mode of the pixel value of pixel in image is used to determine whether two pictures of front and back collection period acquisition are identical.
A12 traverses each pixel in the image of current collection period acquisition, calculates the image slices of current collection period acquisition
The difference of the pixel value for the image slices vegetarian refreshments that a collection period acquires on the pixel value and corresponding position of vegetarian refreshments；
In this step, as alternative embodiment, the pixel value of pixel can be the gray value of pixel；As it is another can
Embodiment is selected, the pixel value of pixel can be coloured light three primary colors (RGB, Red, Green, Blue) value of pixel.Wherein, right
It is calculated in the gray value of pixel, (ABS, Absolute Balance Search) algorithm can be searched for using absolute equilibrium, is returned
One changes product (NC, Normalized Correlation) algorithm, sequential similarity detects (SSDA, Sequential
Similarity Detection Algorithm) algorithm etc. calculated.It is public affairs about ABS algorithm, NC algorithm, SSDA algorithm
Know technology, detailed description is omitted here.
For example, if the image slices vegetarian refreshments of current collection period acquisition is the pixel of the i-th row jth column in image
Point, then the image slices vegetarian refreshments that a collection period acquires on corresponding position are also the pixel of the i-th row jth column.
A13 determines that the difference is greater than pre-set pixel value threshold value, counts to the pixel；
In this step, if the difference of the pixel value of two pixels of the image corresponding position of front and back collection period acquisition is greater than
Pixel value threshold value shows that the two pixels difference is larger, i.e., two pixel does not match that.
A14 determines that the count value counted to get is greater than pre-set count value threshold value, then current collection period acquires
The image that image is acquired with a upper collection period does not match that.
In this step, if the pixel not matched that has been more than to preset in the image of front and back collection period acquisition
Count value threshold value, show that image does not match that.
In the embodiment of the present invention, pixel value threshold value can determine according to actual needs, and count value threshold value can be according to image
Resolution ratio and actual needs determine that details are not described herein.
As another alternative embodiment, the image of current collection period acquisition and the image of upper collection period acquisition are determined
It does not match that and includes:
A21 extracts the characteristic point in the image of current collection period acquisition using pre-set feature extraction algorithm；
In this step, feature extraction algorithm includes: color feature extracted algorithm, Texture Segmentation Algorithm, shape feature
Extraction algorithm, spatial relation characteristics extraction algorithm etc..By taking Shape Feature Extraction algorithm as an example, after extracting, characteristic point can be with
It include: angle point, crosspoint, contour line, contoured surface etc..It is well-known technique about characteristic point is extracted using feature extraction algorithm,
This omits detailed description.
A22 carries out parameter description to the characteristic point of extraction, obtains characteristic point feature vector；
A23 calculates the similarity between each characteristic point feature vector, obtains matching characteristic point；
In this step, characteristic point feature vector is calculated and matching characteristic point is well-known technique, detailed description is omitted here.
A24 determines that matching characteristic points are less than pre-set feature points threshold value, then the figure of current collection period acquisition
As not matched that with the image of upper collection period acquisition.
In the embodiment of the present invention, the process of locking intelligent terminal screen is well-known technique.
As alternative embodiment, user is notified to input unlocking pin information and include:
On the intelligent terminal screen of locking, display inputs the prompt window of unlocking pin information for user.
As another alternative embodiment, intelligent terminal can also remind user to input solution by way of voice broadcast
Lock cipher information then notifies user to input unlocking pin information and include:
On the intelligent terminal screen of locking, display inputs the prompt window of unlocking pin information for user and broadcasts
Put the voice for reminding user to input unlocking pin information.
As yet another alternative embodiment, in the crowd scenes such as subway or noisy scene, user may can't hear voice prompting,
Intelligent terminal can also remind user to input unlocking pin information by vibration mode, then user is notified to input unlocking pin
Information includes:
On the intelligent terminal screen of locking, display inputs the prompt window of unlocking pin information for user and leads to
Crossing vibration mode reminds user to input unlocking pin information.
Step 103, received unlocking pin information errors are determined, or are not received by pre-set unlocked time
Unlocking pin information, triggering alarm.
In this step, as alternative embodiment, determine that received unlocking pin information errors include:
In pre-set unlock number, each received unlocking pin information is all believed with pre-set unlocking pin
Breath does not match that.
In this step, user misoperation makes the unlocking pin information of input incorrect in order to prevent, and unlock can be set
Number, for example, three times, only in all incorrect situation of unlocking pin information inputted three times, determining that received unlock is close
Code information errors.
As another alternative embodiment, determine that received unlocking pin information errors include:
In pre-set unlocked time, each received unlocking pin information is all believed with pre-set unlocking pin
Breath does not match that.
In this step, pre-set unlocked time can be configured by user, for example, can be set to 3s, 10s or its
It.
As alternative embodiment, alarm uses audio alert, for example, audio alert can be " your intelligent terminal
It is just removed ".In this way, if stealer is taking the intelligent terminal away, by way of audible alarm, on the one hand,
It can notify to leave intelligent terminal but nigh intelligent terminal user, on the other hand, in intelligent terminal
Around have other people in the case where, it is that audio alert can also attract surrounding population note that stealer is made to stop stealing, from
And avoid intelligent terminal stolen, it avoids user from losing, promotes the anti-theft effect of intelligent terminal.Further, even if
Intelligent terminal is stolen, and due to having locked intelligent terminal screen in advance before alarm, stealer cannot use immediately
Intelligent terminal simultaneously obtains the relevant information of the user in intelligent terminal, avoids the leakage of information, especially uses
The leakage of family privacy information is effectively protected privacy of user safety.
Certainly, in practical application, for the situation of user setting unlock number, user or user related to user
The unlocking pin information of input may be made incorrect due to maloperation, thus, after triggering alarm, this method can be further
Include:
After the pre-set waiting time, notifies user to input unlocking pin information again, inputted again in user
After unlocking pin information and pre-set unlocking pin information do not match that, continue to lock intelligent terminal screen.
In the embodiment of the present invention, after the pre-set waiting time, the unlocking pin information inputted according to user is true
It is fixed whether to unlock intelligent terminal screen: if received unlocking pin information and pre-set unlocking pin information again
Match, shows that the displacement of intelligent terminal is as caused by user or user's operation related to user, then to locking
Intelligent terminal screen is unlocked, and continues to execute the process that Image Acquisition is carried out according to pre-set collection period；
If received unlocking pin information is not matched that with pre-set unlocking pin information again, continue to lock intelligent terminal
Device screen simultaneously terminates process.
As alternative embodiment, pre-set collection period, unlocked time, waiting time can be identical, can also not
Together.
Further, in triggering alarm or the unlocking pin information inputted again in user and pre-set unlocking pin
After information does not match that, this method further comprises:
Storage content in intelligent terminal is forwarded to pre-set first intelligent terminal of user.
In this step, the storage content for needing to forward is preset by user, comprising: address list, short message, photo, postal
One of part, notepad or any combination thereof.In this way, pre- by the way that the storage content in intelligent terminal is forwarded to user
The intelligent terminal being first arranged, though user after losing the intelligent terminal, can also from it is pre-set intelligence eventually
The storage content of needs is obtained in end equipment, to not influence the normal life and work of user.
Further, after carrying out storage content, this method further comprises:
Remove the storage content in intelligent terminal.
In this step, by the way that the storage content in stolen intelligent terminal to be purged, so as to effectively protect
The privacy information of shield user is not leaked, and improves the business experience of user.
In practical application, if the figure that user during taking intelligent terminal away, is collected due to camera
It seem to change constantly, thus, after first time input unlocking pin information is unlocked the intelligent terminal screen of locking, intelligence
Energy terminal device enters the process for executing and carrying out Image Acquisition according to pre-set collection period again, and will lead to and currently adopt
The situation that the image of collection period acquisition and the image of upper collection period acquisition do not match that, and then trigger intelligent terminal screen again
It is secondary locked, and user is needed to input unlocking pin information, so that antitheft operating process is cumbersome.Thus, as alternative embodiment,
After being unlocked to the intelligent terminal screen of locking, this method further comprises:
Photographing module is closed, carries out timing, and after timing to pre-set break period, starts photographing module.This
Sample, by interrupting certain time, so that avoiding the need for user in the moving process of the intelligent terminal and frequently entering unlock
The situation of encrypted message effectively reduces the operation of user.
In the embodiment of the present invention, after triggering alarm, antitheft process is over, thus, as alternative embodiment, the party
Method can further include:
Stop Image Acquisition.
Certainly, as another alternative embodiment, the image of acquisition can also be reported, in order to determine stealer letter
Breath.In this way, trigger alarm while, before or after, this method can further include:
Step 104, continue Image Acquisition, and the image of acquisition is sent directly to pre-set second intelligence eventually
End equipment.
In this step, after alarm, no longer need to carry out matched necessity to the image of acquisition, in order to there are more images
Information can be set camera and continue Image Acquisition, and the image of acquisition is directly transmitted for determining stealer information
It is stored to pre-set second intelligent terminal, is analyzed so as to subsequent.
As alternative embodiment, pre-set first intelligent terminal can be identical with the second intelligent terminal,
It can also be different.Wherein, the first intelligent terminal and the second intelligent terminal can be other intelligence of user setting eventually
The network server that end equipment or operator specify.For other intelligent terminal equipment, can make that the user uses except the intelligence
Intelligent terminal except energy terminal device, is also possible to the intelligent terminal that other users relevant to the user use and sets
It is standby.
Further, after triggering alarm, this method be can further include:
Warning message is sent to pre-set network server, network server obtains intelligence eventually according to warning message
The location information of end equipment.
In this step, network server can obtain intelligent terminal by modes such as GPS positioning system, dipper systems
Current location information.After obtaining location information, the tracking to stolen intelligent terminal may be implemented, so as to as early as possible
Stolen intelligent terminal is locked, the loss of user is reduced.
After warning information is sent to pre-set network server, network server is obtained according to warning message
Before the location information of intelligent terminal, this method further comprises:
The hardware information for reading intelligent terminal, is sent to network server；
Network server inquires database according to the received hardware information of shape, if with the intelligence pre-set in database
The hardware information of energy terminal device does not match that, executes the process of the location information for obtaining intelligent terminal.
It is in order to further confirm that intelligent terminal is in stolen state, and after confirmation is stolen in time in this step
Take anti-theft measure.
In the embodiment of the present invention, hardware information includes but is not limited to: factory sequence number, International Mobile Equipment Identity code
(IMEI, International Mobile Equipment Identity), media access control (MAC, Media Access
Control) any combination or deformation of address, IMSI and SIM.
In the embodiment of the present invention, in the camera for being mounted on intelligent terminal according to the triggering of pre-set collection period
Before acquiring image, this method be can further include:
Microphone by being mounted on intelligent terminal obtains intelligent terminal local environment volume, is determining ambient sound
After amount is greater than pre-set volume threshold, the process of the acquisition image is executed.
In this step, scene biggish for ambient noise can also realize the electronics of intelligent terminal by sound
Dog function.Ambient enviroment volume can be obtained by the microphone of intelligent terminal, when ambient enviroment volume is greater than volume threshold
After value, start camera collection image.
It is similar with camera, be mounted on intelligent terminal microphone include: microphone built in intelligent terminal and
The preposition microphone of intelligent terminal.
In the embodiment of the present invention, it can be compiled by intelligent terminal theft preventing method by way of writing program code segments
It translates and generates intelligent terminal anti-theft program and installed by intelligent terminal operation system.As alternative embodiment, in order to
The anti-theft program being mounted in intelligent terminal is worked normally, avoids the person's of being tampered unloading, brush machine, to a greater extent
Ground realization is antitheft, the intelligent terminal anti-theft program can be bundled in intelligence by way of operator or producer's customization
The operating system nucleus of terminal device makes the intelligent terminal anti-theft program of binding that can not be unloaded or interrupt use.Into one
Step ground, can also carry out locking processing to the anti-operating system of intelligent terminal, prevent intelligent terminal by brush machine.About
Intelligent terminal anti-theft program and the locking anti-operating system of intelligent terminal are well-known technique, detailed description is omitted here.
It should be noted that the intelligent terminal anti-theft program generated through the embodiment of the present invention, sets in intelligent terminal
After standby operating system is installed, and intelligent terminal operating system backstage be resident intelligent terminal anti-theft program into
Journey.
From the foregoing, it can be seen that the intelligent terminal theft preventing method of the embodiment of the present invention, by using in intelligent terminal
Photographing module carry out Image Acquisition, and after the image according to acquisition determines that intelligent terminal is displaced, locking intelligence
Terminal device screen simultaneously requires user's input unlocking pin information to be unlocked, and it is incorrect to input unlocking pin information in user
In the case of, it alarms.In this manner it is achieved that intelligent terminal informs user when stolen in time, thus in intelligent terminal
Equipment takes anti-theft measure when stolen, realize instant processing when intelligent terminal is stolen, avoid the quilt of intelligent terminal
Surreptitiously, the loss of user is effectively reduced in the anti-theft effect for promoting intelligent terminal.Further, after being alarmed, by the intelligence
The storage content of user setting is forwarded to other intelligent terminals in energy terminal device, and after forwarding successfully, by the intelligence
Storage content in terminal device is purged, and user is allowed to obtain needs from pre-set intelligent terminal
Storage content, to not influence the normal life and work of user；Meanwhile the leakage of information is also avoided, especially user is hidden
The leakage of personal letter breath is effectively protected privacy of user safety.
Fig. 2 shows intelligent terminal structures of the embodiment of the present invention.Referring to fig. 2, which includes: camera shooting
Module, images match module, locking processing module and alarm module, wherein
Photographing module for acquiring image according to pre-set collection period, and the image of acquisition is exported to image
Matching module；
In the embodiment of the present invention, photographing module includes: camera, video camera and video camera etc..Wherein, camera packet
It includes: built-in camera and front camera.
Images match module, the image that image and a upper collection period for determining current collection period acquisition acquire is not
Match, notifies locking processing module；
In the embodiment of the present invention, image and a upper collection period of the images match module in the current collection period acquisition of determination
After the image of acquisition matches, the image for receiving next collection period acquisition is continued waiting for.
As alternative embodiment, images match module includes: pixel value extraction unit, difference computational unit, counting unit
And image matching unit (not shown), wherein
Pixel value extraction unit, for obtaining the pixel value of each pixel in the image that current collection period acquires；
In the embodiment of the present invention, the pixel value of pixel can be the gray value of pixel, be also possible to the RGB of pixel
Value.Wherein, the gray value of pixel is calculated, it can be similar using absolute equilibrium searching algorithm, normalization integration method, timing
Property detection algorithm etc..
Difference computational unit calculates current acquisition week for traversing each pixel in the image that current collection period acquires
The difference of the pixel value of the image slices vegetarian refreshments of collection period acquisition on the pixel value and corresponding position of the image slices vegetarian refreshments of phase acquisition
Value；
Counting unit, for determining that the difference that difference computational unit is calculated is greater than pre-set pixel value threshold
Value, counts the pixel；
In the embodiment of the present invention, if difference is not greater than pre-set pixel value threshold value, do not deal with, and continue into
The pixel value judgement of the next pixel of row.
Image matching unit, for determining that the count value that counting unit counts obtain is greater than pre-set count value threshold
Value, the image for determining that the image of current collection period acquisition is acquired with a upper collection period do not match that.
As another alternative embodiment, images match module include: feature point extraction unit, feature vector computing unit,
Similarity processing unit and image matching unit, wherein
Feature point extraction unit, for extracting the figure of current collection period acquisition using pre-set feature extraction algorithm
Characteristic point as in；
Feature vector computing unit, the characteristic point for extracting to feature point extraction unit carry out parameter description, obtain spy
Levy point feature vector；
Similarity processing unit obtains matching characteristic point for calculating the similarity between each characteristic point feature vector；
Image matching unit, the matching characteristic points for determining that similarity processing unit obtains are less than pre-set spy
Sign points threshold value, the then image that the image of current collection period acquisition is acquired with a upper collection period do not match that.
Locking processing module, for locking intelligent terminal screen according to notice and user being notified to input unlocking pin letter
Breath；
In the embodiment of the present invention, locking processing module can be shown on the intelligent terminal screen of locking for using
The prompt window of family input unlocking pin information.Further, it can also play for reminding user to input unlocking pin information
Voice, and/or, pass through vibration mode remind user input unlocking pin information.
Alarm module, for determining whether received unlocking pin information is correct, if received unlocking pin information is wrong
Accidentally, or unlocking pin information is not received by pre-set unlocked time, triggering alarm.
In the embodiment of the present invention, alarm module can be in pre-set unlock number or in pre-set unlock
In, if received unlocking pin information is not all matched that with pre-set unlocking pin information every time, determine received
Unlocking pin information errors.
Preferably, alarm module can also be further used for for warning message being sent to pre-set network server,
So that network server obtains the location information of intelligent terminal according to warning message.
As alternative embodiment, which be can further include:
Unlock processing module again, for monitor alarm module triggering alarm after, in the pre-set waiting time
Afterwards, user is notified to input unlocking pin information again, in the unlocking pin information and pre-set unlock that user inputs again
After encrypted message does not match that, continue to lock intelligent terminal screen.
As another alternative embodiment, which be can further include:
Forwarding module, for monitoring that alarm module triggering is alarmed or unlock processing module continues to lock intelligent end again
After end equipment screen, the storage content in intelligent terminal is forwarded to pre-set first intelligent terminal of user.
As yet another alternative embodiment, which be can further include:
Module is removed, for removing in intelligent terminal after monitoring that forwarding module forwards storage content
Storage content.
As yet another alternative embodiment, which be can further include:
Time delay module, for monitoring that alarm module determines that received unlocking pin information is correct, to the intelligence of locking
After terminal device screen is unlocked, camera is closed, carries out timing, and after timing to pre-set break period, is led to
Know that photographing module starts.
As yet another alternative embodiment, which be can further include:
Alarm post-processing module, for after monitoring alarm module triggering alarm, notice photographing module to continue figure
Pre-set second intelligent terminal is sent directly to as acquisition, and by the image that photographing module acquires.
As yet another alternative embodiment, which be can further include:
Volume measurement module obtains intelligent terminal local environment for the microphone by being mounted on intelligent terminal
Volume notifies photographing module after determining that environmental volume is greater than pre-set volume threshold.
Algorithm and display are not inherently related to any particular computer, virtual system, or other device provided herein.
Various general-purpose systems can also be used together with teachings based herein.As described above, it constructs required by this kind of system
Structure be obvious.In addition, the present invention is also not directed to any particular programming language.It should be understood that can use various
Programming language realizes summary of the invention described herein, and the description done above to language-specific is to disclose this hair
Bright preferred forms.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects,
Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect
Shield the present invention claims features more more than feature expressly recited in each claim.More precisely, as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself
All as a separate embodiment of the present invention.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment
Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any
Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose
It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in the following claims, embodiment claimed is appointed
Meaning one of can in any combination mode come using.
Various component embodiments of the invention can be implemented in hardware, or to run on one or more processors
Software module realize, or be implemented in a combination thereof.It will be understood by those of skill in the art that can be used in practice
Microprocessor or digital signal processor (DSP) come realize some in intelligent terminal according to an embodiment of the present invention or
The some or all functions of person's whole component.The present invention is also implemented as one for executing method as described herein
Point or whole device or device programs (for example, computer program and computer program product).Such this hair of realization
Bright program can store on a computer-readable medium, or may be in the form of one or more signals.It is such
Signal can be downloaded from Internet site server and be obtained, and be perhaps provided on the carrier signal or in any other forms
It provides.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real
It is existing.In the unit claims listing several devices, several in these devices can be through the same hardware branch
To embody.The use of word first, second, and third does not indicate any sequence.These words can be explained and be run after fame
Claim.
The invention discloses a kind of intelligent terminal theft preventing methods of A1., comprising:
The photographing module being mounted in intelligent terminal acquires image according to pre-set collection period；
The image for determining that the image of current collection period acquisition is acquired with a upper collection period does not match that, locks intelligence eventually
End equipment screen simultaneously notifies user to input unlocking pin information；
It determines received unlocking pin information errors, or is not received by unlocking pin in pre-set unlocked time
Information, triggering alarm.
A2. method according to a1 is mounted on intelligent terminal and sets described according to the triggering of pre-set collection period
Before standby camera collection image, the method further includes:
Microphone by being mounted on intelligent terminal obtains intelligent terminal local environment volume, is determining ambient sound
After amount is greater than pre-set volume threshold, the process of the acquisition image is executed.
A3. method according to a1, the image and a upper collection period of the current collection period acquisition of determination acquire
Image do not match that and include:
Obtain the pixel value of each pixel in the image of current collection period acquisition；
Each pixel in the image of current collection period acquisition is traversed, the image slices vegetarian refreshments of current collection period acquisition is calculated
Pixel value and corresponding position on a collection period acquisition image slices vegetarian refreshments pixel value difference；
It determines that the difference is greater than pre-set pixel value threshold value, which is counted；
Determine that the count value counted to get is greater than pre-set count value threshold value, then the image of current collection period acquisition
It is not matched that with the image of upper collection period acquisition.
A4. method according to a3, the pixel value of the pixel include the gray value and pixel of pixel
Coloured light tristimulus values.
A5. method according to a4 is detected using absolute equilibrium searching algorithm, normalization integration method or sequential similarity
Algorithm calculates the gray value of the pixel.
A6. method according to a1, the image and a upper collection period of the current collection period acquisition of determination acquire
Image do not match that and include:
The characteristic point in the image of current collection period acquisition is extracted using pre-set feature extraction algorithm；
Parameter description is carried out to the characteristic point of extraction, obtains characteristic point feature vector；
The similarity between each characteristic point feature vector is calculated, matching characteristic point is obtained；
Determine that matching characteristic points are less than pre-set feature and count threshold value, then the image of current collection period acquisition with
The image of upper collection period acquisition does not match that.
A7. the method according to A6, the feature extraction algorithm include: that color feature extracted algorithm, textural characteristics mention
Take algorithm, Shape Feature Extraction algorithm and spatial relation characteristics extraction algorithm.
A8. method according to a1, it is described that user is notified to input unlocking pin information and include:
On the intelligent terminal screen of locking, display inputs the prompt window of unlocking pin information for user.
A9. method according to a1, it is described that user is notified to input unlocking pin information and include:
On the intelligent terminal screen of locking, display inputs the prompt window of unlocking pin information for user and broadcasts
Put the voice for reminding user to input unlocking pin information.
A10. method according to a1, it is described that user is notified to input unlocking pin information and include:
On the intelligent terminal screen of locking, display inputs the prompt window of unlocking pin information for user and leads to
Crossing vibration mode reminds user to input unlocking pin information.
A11. method according to a1, the received unlocking pin information errors of determination include:
In pre-set unlock number, each received unlocking pin information is all believed with pre-set unlocking pin
Breath does not match that.
A12. method according to a1, the received unlocking pin information errors of determination include:
In pre-set unlocked time, each received unlocking pin information is all believed with pre-set unlocking pin
Breath does not match that.
A13. method according to a1, after triggering alarm, the method further includes:
After the pre-set waiting time, notifies user to input unlocking pin information again, inputted again in user
After unlocking pin information and pre-set unlocking pin information do not match that, continue to lock intelligent terminal screen.
A14. the method according to A13 continues to lock intelligent terminal screen after triggering alarm or described
Backstage, the method further includes:
Storage content in intelligent terminal is forwarded to pre-set first intelligent terminal of user.
A15. the method according to A14, the storage content include: address list, short message, photo, mail, notepad
One of or any combination thereof.
A16. the method according to A1 or A14, the method further includes:
Remove the storage content in intelligent terminal.
A17. method according to a1, after being unlocked to the intelligent terminal screen of locking, the method into
One step includes:
Photographing module is closed, carries out timing, and after timing to pre-set break period, starts photographing module.
A18. method according to a1, the method further includes:
Continue Image Acquisition, and the image of acquisition is sent directly to pre-set second intelligent terminal.
A19. method according to a1, after triggering alarm, the method further includes:
Warning message is sent to pre-set network server, so that network server obtains intelligence according to warning message
The location information of energy terminal device.
A20. a kind of intelligent terminal, the intelligent terminal include: photographing module, images match module, at locking
Manage module and alarm module, wherein
Photographing module for acquiring image according to pre-set collection period, and the image of acquisition is exported to image
Matching module；
Images match module, the image that image and a upper collection period for determining current collection period acquisition acquire is not
Match, notifies locking processing module；
Locking processing module, for locking intelligent terminal screen according to notice and user being notified to input unlocking pin letter
Breath；
Alarm module, for determining whether received unlocking pin information is correct, if received unlocking pin information is wrong
Accidentally, or unlocking pin information is not received by pre-set unlocked time, triggering alarm.
A21. the intelligent terminal according to A20 further comprises:
Volume measurement module obtains intelligent terminal local environment for the microphone by being mounted on intelligent terminal
Volume notifies photographing module after determining that environmental volume is greater than pre-set volume threshold.
A22. the intelligent terminal according to A20, the alarm module are further used for for warning message being sent to
Pre-set network server, so that network server obtains the location information of intelligent terminal according to warning message.
A23. the intelligent terminal according to A20, described image matching module include: pixel value extraction unit, difference
It is worth computing unit, counting unit and image matching unit, wherein
Pixel value extraction unit, for obtaining the pixel value of each pixel in the image that current collection period acquires；
Difference computational unit calculates current acquisition week for traversing each pixel in the image that current collection period acquires
The difference of the pixel value of the image slices vegetarian refreshments of collection period acquisition on the pixel value and corresponding position of the image slices vegetarian refreshments of phase acquisition
Value；
Counting unit, for determining that the difference that difference computational unit is calculated is greater than pre-set pixel value threshold
Value, counts the pixel；
Image matching unit, for determining that the count value that counting unit counts obtain is greater than pre-set count value threshold
Value, the image for determining that the image of current collection period acquisition is acquired with a upper collection period do not match that.
A24. the intelligent terminal according to A20, described image matching module include: feature point extraction unit, spy
Levy vector calculation unit, similarity processing unit and image matching unit, wherein
Feature point extraction unit, for extracting the figure of current collection period acquisition using pre-set feature extraction algorithm
Characteristic point as in；
Feature vector computing unit, the characteristic point for extracting to feature point extraction unit carry out parameter description, obtain spy
Levy point feature vector；
Similarity processing unit obtains matching characteristic point for calculating the similarity between each characteristic point feature vector；
Image matching unit, the matching characteristic points for determining that similarity processing unit obtains are less than pre-set spy
Sign points threshold value, the then image that the image of current collection period acquisition is acquired with a upper collection period do not match that.
A25. the intelligent terminal according to A20 further comprises:
Unlock processing module again, for monitor alarm module triggering alarm after, in the pre-set waiting time
Afterwards, user is notified to input unlocking pin information again, in the unlocking pin information and pre-set unlock that user inputs again
After encrypted message does not match that, continue to lock intelligent terminal screen.
A26. the intelligent terminal according to A20 further comprises:
Forwarding module, for monitoring that alarm module triggering is alarmed or unlock processing module continues to lock intelligent end again
After end equipment screen, the storage content in intelligent terminal is forwarded to pre-set first intelligent terminal of user.
A27. the intelligent terminal according to A26 further comprises:
Module is removed, for removing in intelligent terminal after monitoring that forwarding module forwards storage content
Storage content.
A28. the intelligent terminal according to A20 further comprises:
Time delay module, for monitoring that alarm module determines that received unlocking pin information is correct, to the intelligence of locking
After terminal device screen is unlocked, camera is closed, carries out timing, and after timing to pre-set break period, is led to
Know that photographing module starts.
A29. the intelligent terminal according to A20 further comprises:
Alarm post-processing module, for after monitoring alarm module triggering alarm, notice photographing module to continue figure
Pre-set second intelligent terminal is sent directly to as acquisition, and by the image that photographing module acquires.
Claims (10)
1. a kind of intelligent terminal theft preventing method, comprising:
The photographing module being mounted in intelligent terminal acquires image according to pre-set collection period；
The image for determining that the image of current collection period acquisition is acquired with a upper collection period does not match that locking intelligent terminal is set
Standby screen simultaneously notifies user to input unlocking pin information；
It determines received unlocking pin information errors, or is not received by unlocking pin letter in pre-set unlocked time
Breath, triggering alarm.
2. the method as described in claim 1, intelligent terminal is mounted on according to the triggering of pre-set collection period sets described
Before standby camera collection image, the method further includes:
Microphone by being mounted on intelligent terminal obtains intelligent terminal local environment volume, is determining that environmental volume is big
After pre-set volume threshold, the process of the acquisition image is executed.
3. the method as described in claim 1, the image and a upper collection period of the current collection period acquisition of determination are acquired
Image do not match that and include:
Obtain the pixel value of each pixel in the image of current collection period acquisition；
Each pixel in the image of current collection period acquisition is traversed, the picture of the image slices vegetarian refreshments of current collection period acquisition is calculated
The difference of element value and the pixel value of the image slices vegetarian refreshments of collection period acquisition on corresponding position；
It determines that the difference is greater than pre-set pixel value threshold value, which is counted；
Determine that the count value that counts to get is greater than pre-set count value threshold value, then the image of current collection period acquisition with it is upper
The image of one collection period acquisition does not match that.
4. method as claimed in claim 3, the pixel value of the pixel includes the gray value and pixel of pixel
Coloured light tristimulus values.
5. method as claimed in claim 4 is detected using absolute equilibrium searching algorithm, normalization integration method or sequential similarity
Algorithm calculates the gray value of the pixel.
6. the method as described in claim 1, the image and a upper collection period of the current collection period acquisition of determination are acquired
Image do not match that and include:
The characteristic point in the image of current collection period acquisition is extracted using pre-set feature extraction algorithm；
Parameter description is carried out to the characteristic point of extraction, obtains characteristic point feature vector；
The similarity between each characteristic point feature vector is calculated, matching characteristic point is obtained；
Determine that matching characteristic points are less than pre-set feature points threshold value, then the image and upper one of current collection period acquisition
The image of collection period acquisition does not match that.
7. method as claimed in claim 6, the feature extraction algorithm includes: that color feature extracted algorithm, textural characteristics mention
Take algorithm, Shape Feature Extraction algorithm and spatial relation characteristics extraction algorithm.
8. the method as described in claim 1, described that user is notified to input unlocking pin information and include:
On the intelligent terminal screen of locking, display inputs the prompt window of unlocking pin information for user.
9. a kind of intelligent terminal, which includes: photographing module, images match module, locking processing module
And alarm module, wherein
Photographing module for acquiring image according to pre-set collection period, and the image of acquisition is exported to images match
Module；
Images match module, for determining image that the image of current collection period acquisition is acquired with a upper collection period not phase
Match, notifies locking processing module；
Locking processing module, for locking intelligent terminal screen according to notice and user being notified to input unlocking pin information；
Alarm module, for determining whether received unlocking pin information is correct, if received unlocking pin information errors, or
Unlocking pin information, triggering alarm are not received by pre-set unlocked time.
10. intelligent terminal as claimed in claim 9, further comprises:
Volume measurement module obtains intelligent terminal local environment sound for the microphone by being mounted on intelligent terminal
Amount notifies photographing module after determining that environmental volume is greater than pre-set volume threshold.
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| EP4296126A1 (en) * | 2022-06-22 | 2023-12-27 | BG T&A Co. | Dash cam having anti-theft function and anti-theft system for dash cam |
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| Publication number | Publication date |
|---|---|
| CN105096501B (en) | 2019-02-12 |
| CN105096501A (en) | 2015-11-25 |
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Application publication date: 20190312 |