CN107613101A - Data storage method and related products - Google Patents

Abstract

The embodiment of the present invention relates to the field of mobile terminal technology, and discloses a data preservation method and related products. The method includes: when the mobile terminal determines that the device is in a lost state, the device is locked, and then the front camera is activated to obtain the target face image, and the target face image is saved in the locked space in the memory of the mobile terminal; the files saved in the locked space cannot be deleted by the user. It can be seen that by implementing the embodiment of the present invention, after determining that the mobile terminal is lost, the face image of the subsequent user can be saved, that is, the evidence after the mobile terminal is stolen is retained, which is helpful for the recovery of the mobile terminal and the security of the user data in the mobile terminal.

Description

Data storage method and related products

technical field

The invention relates to the technical field of mobile terminals, in particular to a data storage method and related products.

Background technique

With the development of mobile terminal technologies, mobile terminals have played an increasingly important role in people's lives. In daily life, it has become more and more convenient to use mobile terminals for payment, office and other activities.

However, while mobile terminals bring convenience to people's lives, they also bring threats to information security and property security. For example, if the mobile terminal is lost or stolen, criminals may check the chat records and photo albums in the mobile terminal, and even use payment software to perform shopping and payment operations, or use the identity of the owner user to carry out fraud, and to defraud the owner. Threats to user privacy information security and property security.

Therefore, in order to improve the information security of the mobile terminal, there is an urgent need for an effective method to ensure the security of the user's personal information when the mobile terminal is lost.

Contents of the invention

The embodiment of the present invention provides a data storage method and related products, which can save the face image of the subsequent user after the mobile terminal is determined to be lost, that is, retain the evidence after the mobile terminal is stolen, which is helpful for the retrieval and retrieval of the mobile terminal. Ensure the security of user data in mobile terminals.

The first aspect of the embodiment of the present invention discloses a data storage method, including:

When the mobile terminal determines that the mobile terminal is lost, lock the mobile terminal;

Start the front camera and get the target face image;

The target face image is stored in a locked space in the memory of the mobile terminal; files stored in the locked space cannot be deleted by the user.

The second aspect of the embodiment of the present invention discloses a mobile terminal, the mobile terminal includes a processor, a front camera connected to the processor, and a memory connected to the processor, wherein,

The processor is configured to determine whether the mobile terminal is in a lost state, and lock the mobile terminal if the mobile terminal is in the lost state;

The front camera is used to acquire the target face image after locking the mobile terminal;

The storage is used to store the target face image in a locked space in the storage; files stored in the locked space cannot be deleted by the user.

The third aspect of the embodiment of the present invention discloses a data storage device, including:

a locking unit, configured to lock the mobile terminal when it is determined that the mobile terminal is lost;

An acquisition unit is used to start the front camera and acquire the target face image;

The saving unit is used to save the target face image in a locked space in the memory of the mobile terminal; files saved in the locked space cannot be deleted by the user.

The fourth aspect of the embodiment of the present invention discloses a data storage method, which is applied to a mobile terminal including a processor, a front camera, and a memory, and the method includes:

If the processor determines that the mobile terminal is lost, lock the mobile terminal;

The front camera starts and acquires the target face image;

The storage stores the target face image in a locked space of the storage; files stored in the locked space cannot be deleted by the user.

The fifth aspect of the embodiment of the present invention discloses a mobile terminal, including a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and are configured to Executed by the processor, the program includes instructions for executing some or all of the steps described in any method of the first aspect of the embodiments of the present invention.

The sixth aspect of the embodiment of the present invention discloses a computer-readable storage medium, which stores a computer program for electronic data exchange, wherein the computer program enables the computer to execute any method described in the first aspect of the embodiment of the present invention. Part or all of the steps described, the computer includes a mobile terminal.

The seventh aspect of the embodiments of the present invention discloses a computer program product, wherein the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to enable the computer to execute the present invention. Part or all of the steps described in any method of the first aspect of the embodiment. The computer program product may be a software installation package, and the computer includes a mobile terminal.

It can be seen from the above technical solutions that the embodiments of the present invention have the following advantages:

In the embodiment of the present invention, when the mobile terminal determines that the device is in a lost state, it locks the device, then starts the front camera and acquires the target face image, and saves the target face image in the locked space in the memory of the mobile terminal; Files saved in a locked space cannot be deleted by the user. It can be seen that, implementing the embodiment of the present invention, after the mobile terminal is determined to be lost, the face image of the subsequent user can be saved, that is, the evidence after the mobile terminal is stolen, which is helpful for the retrieval of the mobile terminal and the protection of the user in the mobile terminal. Data Security.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of a mobile terminal disclosed in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of another mobile terminal disclosed in an embodiment of the present invention;

FIG. 3 is a schematic diagram of a scene for acquiring a face image disclosed in an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of another mobile terminal disclosed in an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of another mobile terminal disclosed in an embodiment of the present invention;

FIG. 6 is a schematic flow diagram of a data storage method disclosed in an embodiment of the present invention;

FIG. 7 is a schematic flowchart of another data storage method disclosed in an embodiment of the present invention;

FIG. 8 is a block diagram of functional units of a mobile terminal disclosed in an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of another mobile terminal disclosed in an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of another mobile terminal disclosed in an embodiment of the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments . Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods or apparatuses.

The mobile terminals involved in the embodiments of the present invention may include various handheld devices, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems, as well as various forms of user equipment (User Equipment, UE), mobile station (Mobile Station, MS), terminal device (terminal device) and so on. For convenience of description, the devices mentioned above are collectively referred to as mobile terminals. Embodiments of the present invention will be described below in conjunction with the accompanying drawings.

The embodiment of the present invention provides a data storage method and related products, which can save the face image of the subsequent user after the mobile terminal is determined to be lost, that is, retain the evidence after the mobile terminal is stolen, which is helpful for the retrieval and retrieval of the mobile terminal. Ensure the security of user data in mobile terminals. Each will be described in detail below.

Please refer to FIG. 1 . FIG. 1 is a schematic structural diagram of a mobile terminal 100 disclosed in an embodiment of the present invention. The mobile terminal 100 includes a processor 110, a front camera 120 and a memory 140. The processor 110 is connected to the front camera 120 and the memory 140 through a bus 130, so that the processor 110, the front camera 120 and the memory 140 can communicate with each other.

In the embodiment of the present invention, the processor may be a central processing unit (Central Processing Unit, CPU), and in some implementation manners, may also be called an application processor (Application processor, AP) to distinguish it from a baseband processor.

In the embodiment of the present invention, the processor 110 is configured to determine whether the mobile terminal 100 is in a lost state, and lock the mobile terminal 100 when the mobile terminal 100 is in a lost state;

The front camera 120 is used to acquire the target face image after locking the mobile terminal 100;

The storage 140 is used to store the target face image in a locked space in the storage 140; wherein, the files stored in the locked space cannot be deleted by the user.

In the embodiment of the present invention, there is a locked space in the memory 140, and the content stored in the locked space cannot be deleted or modified by the user. Therefore, if the terminal device is lost, the photos, audio recordings, and operations performed on the mobile terminal by the illegal user can be stored. etc. are stored in the locked space as evidence for retrieving the mobile terminal and proving that user data has been viewed and used illegally.

In the embodiment of the present invention, the processor 110 may collect various data to determine whether the mobile terminal is lost. For example, if the owner user of the mobile terminal finds that the mobile terminal is lost, he can send target indication information to the mobile terminal according to the exclusive serial number of the mobile terminal, etc., to indicate that the mobile terminal is in a lost state, and then carry out Actions to lock mobile terminals and collect evidence.

As an optional implementation, the above-mentioned target indication information may contain specific content, for example, a password preset by the owner and user. After receiving the target indication information, the mobile terminal verifies the received password. If the passwords are the same, it is determined that the device is lost.

In the embodiment of the present invention, after the mobile terminal is locked, the front camera 120 can be activated in the background and continue when the illegal user tries to unlock the mobile terminal, power on the mobile terminal, shut down the mobile terminal, or use the mobile terminal normally. An image is acquired, and when the acquired image contains facial feature information, the image is determined as the target facial image and stored in the locked space of the memory 140 .

Wherein, when the front camera 120 acquires the target face image, it runs in the background, does not turn on the functions such as the flashlight and the prompt sound to prompt that the camera is being taken, and after acquiring the target face image, the background closes the camera application, thereby avoiding Illegal users are aware that evidence has been preserved.

Please refer to FIG. 2 . FIG. 2 is a schematic structural diagram of another mobile terminal 100 disclosed in an embodiment of the present invention. As shown in FIG. 2 , the front camera 120 can be arranged above the display screen, so that when an illegal user operates the mobile terminal 100 , the front camera can successfully obtain the face image of the illegal user. As an optional implementation, the front camera can also be equipped with an infrared supplementary light, so as to help obtain certain facial feature information in a dark environment or an environment with weak light; on the other hand, the infrared supplementary The infrared light emitted by the lamp cannot be recognized by human eyes, so it will not be noticed by illegal users.

Please refer to FIG. 3 . FIG. 3 is a schematic diagram of a scene for acquiring a face image disclosed in an embodiment of the present invention. As shown in FIG. 3 , when an illegal user is using the mobile terminal 100 to view pictures normally, the front camera 120 is turned on in the background and continuously acquires images. The target face image is further stored in the locked space of the memory 140. Therefore, the mobile terminal 100 can acquire the face image of the illegal user and save it as evidence without the illegal user being aware of it.

It can be seen that the mobile terminal described in Figure 1 can save the face image of the subsequent user after the mobile terminal is determined to be lost, that is, retain the evidence after the mobile terminal is stolen, which is helpful for the retrieval of the mobile terminal and the protection of the mobile terminal. security of user data.

Please refer to FIG. 4 . FIG. 4 is a schematic structural diagram of another mobile terminal 400 disclosed in an embodiment of the present invention. The mobile terminal 400 described in FIG. 4 can be obtained on the basis of the mobile terminal 100 described in FIG. 1 . Compared with the mobile terminal 100 , the mobile terminal 400 further includes a gyroscope 150 , a radio frequency circuit 160 and a GPS module 170 .

As an optional implementation manner, the gyroscope 150 is used to obtain the displacement information of the mobile terminal 400 when the front camera 120 obtains the target face image;

While acquiring the target face image, the front camera 120 adjusts the acquired initial face image according to the displacement information of the mobile terminal 400 to obtain the target face image.

As an optional implementation manner, the radio frequency circuit 160 is configured to receive target indication information;

In terms of determining whether the mobile terminal 400 is in the lost state, the processor 110 is specifically configured to determine that the mobile terminal 400 is in the lost state when the mobile terminal 400 receives the target indication information;

The radio frequency circuit 160 is also used to send the target face image to the terminal device corresponding to the preset contact.

As an optional implementation manner, the GPS module 170 is configured to acquire the target geographic location where the mobile terminal 400 is currently located;

In terms of determining whether the mobile terminal 400 is in a lost state, the processor 110 is specifically configured to query the historical location records of the mobile terminal 400 to determine more than one common geographic location of the mobile terminal 400, and to determine whether the target geographic location and more than one common geographic location If the locations are all different, it is determined that the mobile terminal 400 is in a lost state.

In the embodiment of the present invention, the above-mentioned target indication information can be that the owner user of the mobile terminal sends target indication information to the mobile terminal according to the exclusive serial number of the mobile terminal after determining that the mobile terminal is lost, so as to indicate that the mobile terminal itself It is already in a lost state, and then proceed to lock the mobile terminal and collect evidence.

As an optional implementation, the above-mentioned target indication information may contain specific content, for example, a password preset by the owner and user. After receiving the target indication information, the mobile terminal verifies the received password. If the passwords are the same, it is determined that the device is lost.

In the embodiment of the present invention, the front camera 120 can compensate and adjust the captured initial face image according to the small displacement information (shake) of the mobile terminal provided by the gyroscope 150 to obtain the target face image.

In the embodiment of the present invention, in addition to saving the acquired face image of the illegal user in the mobile terminal 400, it can also be sent to the backup terminal device of the owner user, the terminal device of the family member of the technical user, or the dedicated terminal device of the police. terminal equipment, in order to obtain the relevant evidence of the loss of the mobile terminal as soon as possible, and help to find the mobile terminal.

In the embodiment of the present invention, the GPS module 170 can also be used to help determine whether the mobile terminal is lost. As an optional implementation manner, when the current geographic location of the mobile terminal 400 acquired by the GPS is not a commonly used geographic location, the mobile terminal may be determined to be in a lost state.

Further, in order to avoid misjudgment that the mobile terminal is in a lost state caused by the owner user carrying the mobile terminal on a business trip or traveling, the mobile terminal can have a status monitoring setting. information to determine whether the mobile terminal is lost or not.

As an optional implementation manner, the mobile terminal 400 may also have an iris recognition module 180 . The iris recognition module 180 is used to obtain the iris characteristic information of the illegal user after determining that the mobile terminal 400 is in a lost state, and the radio frequency circuit 160 can send the iris characteristic information to the terminal equipment of the police, so that the police personnel can The information is used to check the personnel to help find the mobile terminal. As shown in FIG. 5 , FIG. 5 is a schematic structural diagram of another mobile terminal disclosed in an embodiment of the present invention. As shown in Figure 5, the iris recognition module 180 is configured on the front of the mobile terminal 400 and above the display screen. The iris recognition module 180 includes an infrared supplementary light 181 and an infrared camera 182. When acquiring iris feature information, the infrared supplementary light 181 emits infrared light to irradiate the iris, and is reflected back to the infrared camera 182 through the iris, so that the infrared camera 182 can collect iris images. According to the principle of the iris recognition module 180 using infrared light for recognition, iris characteristic information can be successfully obtained even in a situation where the ambient light intensity is weak or even in a dark environment.

It can be seen that the mobile terminal described in Figure 4 can save the face image of the subsequent user after it is determined that the mobile terminal is lost, that is, retain the evidence after the mobile terminal is stolen, which is helpful for the retrieval of the mobile terminal and the protection of the mobile terminal. security of user data.

Please refer to FIG. 6 . FIG. 6 is a schematic flowchart of a data storage method disclosed in an embodiment of the present invention. As shown in Figure 6, the data storage method may include the following steps:

601. When the mobile terminal determines that the device is in a lost state, lock the device.

In the embodiment of the present invention, the mobile terminal can collect various data to determine whether the mobile terminal is lost. For example, if the owner user of the mobile terminal finds that the mobile terminal is lost, he can send target indication information to the mobile terminal according to the exclusive serial number of the mobile terminal, etc., to indicate that the mobile terminal is in a lost state, and then carry out Actions to lock mobile terminals and collect evidence.

As an optional implementation, the above-mentioned target indication information may contain specific content, for example, a password preset by the owner and user. After receiving the target indication information, the mobile terminal verifies the received password. If the passwords are the same, it is determined that the device is lost.

As an optional implementation manner, the mobile terminal may acquire the target geographic location where the mobile terminal is currently located;

In terms of determining whether the mobile terminal is in a lost state, the mobile terminal can query the historical location records of the mobile terminal to determine more than one common geographic location of the mobile terminal, and if the target geographic location is different from more than one common geographic location, It is determined that the mobile terminal is in a lost state.

Further, in order to avoid misjudgment that the mobile terminal is in a lost state caused by the owner user carrying the mobile terminal on a business trip or traveling, the mobile terminal can have a status monitoring setting. information to determine whether the mobile terminal is lost or not.

602. Start the front camera and acquire the target face image.

In the embodiment of the present invention, after the mobile terminal is locked, the front camera can be started in the background and continue to capture when the illegal user tries to unlock the mobile terminal, turn on the mobile terminal, turn off the mobile terminal, or use the mobile terminal normally. image, when the acquired image contains facial feature information, the image is determined as the target human face image and stored in the locked space of the memory.

Among them, when the front camera acquires the target face image, it runs in the background, does not turn on the functions such as flashlight and prompt sound to prompt that the photo is being taken, and after acquiring the target face image, the background closes the camera application, so as to avoid illegal User perceives that evidence has been preserved.

603. Save the target face image in a locked space in the memory of the mobile terminal; files saved in the locked space cannot be deleted by the user.

In the embodiment of the present invention, there is a locked space in the memory, and the content stored in the locked space cannot be deleted or modified by the user. Therefore, if the terminal device is lost, the illegal user's photos, recordings, operations on the mobile terminal, etc. It is stored in the locked space as evidence for retrieving the mobile terminal and proving that user data has been viewed and used illegally.

It can be seen that, using the data storage method described in Figure 6, after the mobile terminal is determined to be lost, the face image of the subsequent user can be saved, that is, the evidence of the mobile terminal being stolen can be preserved, which is helpful for the retrieval and protection of the mobile terminal Security of user data in mobile terminals.

Please refer to FIG. 7 . FIG. 7 is a schematic flowchart of a data storage method disclosed in an embodiment of the present invention. As shown in Figure 7, the data storage method may include the following steps:

701. The mobile terminal receives target indication information.

In the embodiment of the present invention, if the owner user of the mobile terminal finds that the mobile terminal is lost, it can send target indication information to the mobile terminal according to the exclusive serial number of the mobile terminal to indicate that the mobile terminal is in the lost state, and Then carry out the operations of locking the mobile terminal and collecting evidence.

As an optional implementation, the above-mentioned target indication information may contain specific content, for example, a password preset by the owner and user. After receiving the target indication information, the mobile terminal verifies the received password. If the passwords are the same, it is determined that the device is lost.

702. Determine that the mobile terminal is in a lost state when the target indication information is received.

As an optional implementation manner, the mobile terminal may also have an iris recognition module. The iris recognition module is used to obtain iris characteristic information of illegal users after determining that the mobile terminal is in a lost state. Conduct troubleshooting to help find the mobile terminal. As shown in FIG. 5 , FIG. 5 is a schematic structural diagram of another mobile terminal disclosed in an embodiment of the present invention. As shown in Figure 5, the iris recognition module 180 is configured on the front of the mobile terminal 400 and above the display screen. The iris recognition module 180 includes an infrared supplementary light 181 and an infrared camera 182. When acquiring iris feature information, the infrared supplementary light 181 emits infrared light to irradiate the iris, and is reflected back to the infrared camera 182 through the iris, so that the infrared camera 182 can collect iris images. According to the principle of the iris recognition module 180 using infrared light for recognition, iris characteristic information can be successfully obtained even in a situation where the ambient light intensity is weak or even in a dark environment.

703. Lock the mobile terminal and run a camera application in the background to acquire the target face image.

In the embodiment of the present invention, after the mobile terminal is locked, the front camera can be started in the background and continue to capture when the illegal user tries to unlock the mobile terminal, turn on the mobile terminal, turn off the mobile terminal, or use the mobile terminal normally. image, when the acquired image contains facial feature information, the image is determined as the target human face image and stored in the locked space of the memory.

Among them, when the front camera acquires the target face image, it runs in the background, does not turn on the functions such as flashlight and prompt sound to prompt that the photo is being taken, and after acquiring the target face image, the background closes the camera application, so as to avoid illegal User perceives that evidence has been preserved.

704. Send the target face image to a terminal device corresponding to a preset contact.

In the embodiment of the present invention, in addition to saving the acquired face image of the illegal user in the mobile terminal, it can also be sent to the backup terminal device of the owner user, the terminal device of the family member of the technical user, or a dedicated police station. Terminal equipment, in order to obtain the relevant evidence of the loss of the mobile terminal as soon as possible, and help to find the mobile terminal.

It can be seen that using the data storage method described in Figure 7, after the mobile terminal is determined to be lost, the face image of the subsequent user can be saved, that is, the evidence of the mobile terminal being stolen can be preserved, which is helpful for the retrieval and protection of the mobile terminal Security of user data in mobile terminals.

Please refer to FIG. 8 . FIG. 8 is a block diagram of functional units of a mobile terminal 800 disclosed in an embodiment of the present invention. As shown in FIG. 8, a mobile terminal 800 may include:

The locking unit 801 is configured to lock the mobile terminal when it is determined that the mobile terminal is in a lost state;

An acquisition unit 802, configured to start the front camera and acquire the target face image;

The saving unit 803 is configured to save the target face image in a locked space in the memory of the mobile terminal; files saved in the locked space cannot be deleted by the user.

It can be understood that, in order to realize the above functions, the mobile terminal includes hardware structures and/or software modules corresponding to each function. Those skilled in the art should easily realize that the present invention can be realized in the form of hardware or a combination of hardware and computer software in combination with the units and algorithm steps of each example described in the embodiments disclosed herein. Whether a certain function is executed by hardware or computer software drives hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the present invention.

In the embodiment of the present invention, the functional units of the mobile terminal may be divided according to the above method examples. For example, each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units. It should be noted that the division of the units in the embodiment of the present invention is schematic, and is only a logical function division, and there may be another division manner in actual implementation.

As an optional implementation manner, the locking unit 801 may be a central processing unit (Central Processing Unit, CPU), a general purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application-specific integrated circuit (Application-Specific Integrated Circuit, ASIC), Field Programmable Gate Array (Field Programmable Gate Array, FPGA) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof. The acquiring unit 802 may be a front camera, and the saving unit 803 may be a memory.

It can be seen that the mobile terminal described in Figure 8 can save the face image of the subsequent user after it is determined that the mobile terminal is lost, that is, retain the evidence after the mobile terminal is stolen, which is helpful for the retrieval of the mobile terminal and the protection of the mobile terminal. security of user data.

Please refer to FIG. 9 . FIG. 9 is a schematic structural diagram of another mobile terminal 900 disclosed in an embodiment of the present invention. As shown in the figure, the mobile terminal includes a processor 901, a memory 902, a communication interface 903, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the processor, the program includes instructions for executing the steps in the above method embodiments.

By way of example, the program includes instructions for performing the following steps:

When it is determined that the mobile terminal is lost, lock the mobile terminal;

Start the front camera and get the target face image;

The target face image is stored in a locked space in the memory of the mobile terminal; files stored in the locked space cannot be deleted by the user.

As an optional implementation, the program also includes instructions for performing the following steps:

When acquiring the target face image, acquiring displacement information of the mobile terminal;

The acquisition of the target face image includes:

Adjusting the acquired initial human face image according to the displacement information to obtain the target human face image.

As an optional implementation, the program also includes instructions for performing the following steps:

Receive target indication information;

The determining that the mobile terminal is in a lost state includes:

When the mobile terminal receives the target indication information, determine that the mobile terminal is in the lost state;

The program also includes instructions for performing the following steps:

After the target face image is acquired, the target face image is sent to a terminal device corresponding to a preset contact.

As an optional implementation, the program for acquiring the target face image includes instructions specifically for performing the following steps:

get more than one image;

Face recognition is performed on the more than one image, so as to select an image containing facial feature information from the more than one image as the target face image.

As an optional implementation manner, the program for determining that the mobile terminal is in a lost state includes instructions specifically for performing the following steps:

Obtain the target geographic location where the mobile terminal is currently located;

Querying historical location records of the mobile terminal to determine more than one common geographic location of the mobile terminal;

If the target geographic location is different from the more than one common geographic location, it is determined that the mobile terminal is in the lost state.

It can be seen that the mobile terminal described in Figure 9 can save the face image of the subsequent user after it is determined that the mobile terminal is lost, that is, retain the evidence after the mobile terminal is stolen, which is helpful for the retrieval of the mobile terminal and the protection of the mobile terminal. security of user data.

Please refer to FIG. 10 , which is a schematic structural diagram of another mobile terminal 1000 disclosed in an embodiment of the present invention. As shown in FIG. 10 , for ease of description, only the parts related to the embodiment of the present invention are shown, and for specific technical details not disclosed, please refer to the method part of the embodiment of the present invention. The terminal can be any mobile terminal including mobile phone, tablet computer, PDA (Personal Digital Assistant, personal digital assistant), POS (Point of Sales, sales terminal), vehicle-mounted computer, etc. Taking the mobile terminal as a mobile phone as an example:

Fig. 10 shows a block diagram of a partial structure of a mobile phone related to the mobile terminal provided by the embodiment of the present invention. Referring to FIG. 10 , the mobile phone includes: a radio frequency (Radio Frequency, RF) circuit 1001, a memory 1002, an input unit 1003, a display unit 1004, a sensor 1005, an audio circuit 1006, a wireless fidelity (wireless fidelity, WiFi) module 1007, and a processor 1008 , and power supply 1009 and other components. Those skilled in the art can understand that the structure of the mobile phone shown in FIG. 10 is not limited to the mobile phone, and may include more or less components than shown in the figure, or combine some components, or arrange different components.

The following is a specific introduction to each component of the mobile phone in conjunction with Figure 10:

The RF circuit 1001 can be used for sending and receiving information or receiving and sending signals during a call. In particular, after receiving the downlink information from the base station, it is processed by the processor 1008; in addition, it sends the designed uplink data to the base station. Generally, the RF circuit 1001 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier (Low Noise Amplifier, LNA), a duplexer, and the like. In addition, the RF circuit 1001 can also communicate with networks and other devices through wireless communication. The above-mentioned wireless communication can use any communication standard or protocol, including but not limited to Global System of Mobile Communication (Global System of Mobile communication, GSM), General Packet Radio Service (General Packet Radio Service, GPRS), Code Division Multiple Access (Code Division Multiple Access) , CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (Long Term Evolution, LTE), email, Short Messaging Service (Short Messaging Service, SMS), etc.

The memory 1002 can be used to store software programs and modules, and the processor 1008 executes various functional applications and data processing of the mobile phone by running the software programs and modules stored in the memory 1002 . The memory 1002 can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, at least one application program required by a function (such as a sound playback function, an image playback function, etc.), etc.; Data created by the use of mobile phones (such as audio data, phonebook, etc.), etc. In addition, the memory 1002 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage devices.

The input unit 1003 can be used to receive input numbers or character information, and generate key signal input related to user settings and function control of the mobile phone. Specifically, the input unit 1003 may include a touch panel 10031 and a biometric identification module 10032 . The touch panel 10031, also referred to as a touch screen, can collect touch operations of the user on or near it (for example, the user uses any suitable object or accessory such as a finger and a stylus on the touch panel 10031 or near the touch panel 10031 operation), and drive the corresponding connection device according to the preset program. Optionally, the touch panel 10031 may include two parts, a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch orientation, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and sends it to the to the processor 1008, and can receive and execute commands from the processor set 1008. In addition, the touch panel 10031 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 10031 , the input unit 1003 may also include a front camera 10032 .

The display unit 1004 can be used to display information input by the user or provided to the user and various menus of the mobile phone. The display unit 1004 may include a display panel 10041. Optionally, the display panel 10041 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD) or an organic light-emitting diode (Organic Light-Emitting Diode, OLED). Furthermore, the touch panel 10031 can cover the display panel 10041. When the touch panel 10031 detects a touch operation on or near it, it sends it to the processor set 1008 to determine the type of the touch event, and then the processor set 1008 according to the touch The type of event provides a corresponding visual output on the display panel 10041 . Although in FIG. 10, the touch panel 10031 and the display panel 10041 are used as two independent components to realize the input and input functions of the mobile phone, in some embodiments, the touch panel 10031 and the display panel 10041 can be integrated to form Realize the input and output functions of the mobile phone.

The handset may also include at least one sensor 1005, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 10041 according to the brightness of the ambient light, and the proximity sensor may turn off the display panel 10041 and/or or backlight. As a kind of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when it is stationary, and can be used to identify the application of mobile phone posture (such as horizontal and vertical screen switching, related Games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc.; as for other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc. repeat.

The audio circuit 1006, the speaker 10061, and the microphone 10062 can provide an audio interface between the user and the mobile phone. The audio circuit 1006 can transmit the electrical signal converted from the received audio data to the speaker 10061, and the speaker 10061 converts it into an audio signal for output; After being received, it is converted into audio data, and then the audio data is processed by the output processor set 1008, and then sent to another mobile phone through the RF circuit 1001, or the audio data is output to the memory 1002 for further processing.

WiFi is a short-distance wireless transmission technology. The mobile phone can help users send and receive emails, browse web pages, and access streaming media through the WiFi module 1007, which provides users with wireless broadband Internet access. Although Fig. 10 shows the WiFi module 1007, it can be understood that it is not an essential component of the mobile phone, and can be completely omitted as required without changing the essence of the invention.

The processor 1008 is the control center of the mobile phone. The processor 1008 uses various interfaces and lines to connect various parts of the entire mobile phone. By running or executing software programs and/or modules stored in the memory 1002, and calling the Data, perform various functions of the mobile phone and process data, so as to monitor the mobile phone as a whole. Optionally, the processor 1008 may include one or more processing units; preferably, the processor 1008 may integrate an application processor and a modem processor, wherein the application processor mainly processes operating systems, user interfaces, and application programs, etc. , the modem processor mainly handles wireless communications. It can be understood that the foregoing modem processor may not be integrated into the processor 1008 .

The mobile phone also includes a power supply 1009 (such as a battery) for supplying power to each component. Preferably, the power supply can be logically connected to the processor 1008 through the power management system, so as to realize functions such as managing charging, discharging, and power consumption management through the power management system.

Although not shown, the mobile phone may also include a camera, a Bluetooth module, etc., which will not be repeated here.

In the foregoing embodiments shown in FIG. 5 to FIG. 7 , the method flow of each step can be realized based on the structure of the mobile phone.

In the aforementioned embodiment shown in FIG. 8 , the functions of each unit can be realized based on the structure of the mobile phone.

For example, the processor 1008 may invoke a computer program stored in the memory 1002 for performing the following operations:

When it is determined that the mobile terminal is lost, lock the mobile terminal;

Start the front camera and get the target face image;

The target face image is stored in a locked space in the memory of the mobile terminal; files stored in the locked space cannot be deleted by the user.

As an optional implementation manner, the processor 1008 may invoke a computer program stored in the memory 1002, and is also configured to perform the following operations:

When acquiring the target face image, acquiring displacement information of the mobile terminal;

For the acquisition of the target face image, the processor 1008 can call a computer program stored in the memory 1002, which is specifically used to perform the following operations:

Adjusting the acquired initial human face image according to the displacement information to obtain the target human face image.

As an optional implementation manner, the processor 1008 may invoke a computer program stored in the memory 1002, and is also configured to perform the following operations:

Receive target indication information;

In determining that the mobile terminal is in a lost state, the processor 1008 may call a computer program stored in the memory 1002, specifically for performing the following operations:

When the mobile terminal receives the target indication information, determine that the mobile terminal is in the lost state;

The processor 1008 can call the computer programs stored in the memory 1002, and is also used to perform the following operations:

After the target face image is acquired, the target face image is sent to a terminal device corresponding to a preset contact.

As an optional implementation manner, the processor 1008 may call a computer program stored in the memory 1002 to perform the following operations when acquiring the target face image:

get more than one image;

Face recognition is performed on the more than one image, so as to select an image containing facial feature information from the more than one image as the target face image.

As an optional implementation manner, in determining that the mobile terminal is in a lost state, the processor 1008 may invoke a computer program stored in the memory 1002, which is specifically configured to perform the following operations:

Obtain the target geographic location where the mobile terminal is currently located;

Querying historical location records of the mobile terminal to determine more than one common geographic location of the mobile terminal;

If the target geographic location is different from the more than one common geographic location, it is determined that the mobile terminal is in the lost state.

It can be seen that the mobile terminal described in Figure 10 can save the face image of the subsequent user after it is determined that the mobile terminal is lost, that is, retain the evidence after the mobile terminal is stolen, which is helpful for the retrieval of the mobile terminal and the protection of the mobile terminal. security of user data.

An embodiment of the present invention also provides a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, and the computer program enables the computer to execute some or all of the steps of any method described in the above method embodiments , the computer includes a mobile terminal.

An embodiment of the present invention also provides a computer program product, the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to enable a computer to execute the method described in the above method embodiments. Some or all of the steps of any method. The computer program product may be a software installation package, and the computer includes a mobile terminal.

It should be noted that for the foregoing method embodiments, for the sake of simple description, they are expressed as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described action sequence. Because of the present invention, certain steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification belong to preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

In the foregoing embodiments, the descriptions of each embodiment have their own emphases, and for parts not described in detail in a certain embodiment, reference may be made to relevant descriptions of other embodiments.

In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or can be Integrate into another system, or some features may be ignored, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical or other forms.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

If the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a computer-readable memory. Based on this understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a memory. Several instructions are included to make a computer device (which may be a personal computer, server or network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present invention. The aforementioned memory includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program codes.

Those of ordinary skill in the art can understand that all or part of the steps in the various methods of the above-mentioned embodiments can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable memory, and the memory can include: a flash disk , Read-only memory (English: Read-Only Memory, abbreviated: ROM), random access device (English: Random Access Memory, abbreviated: RAM), magnetic disk or optical disk, etc.

The embodiments of the present invention have been described in detail above, and specific examples have been used in this paper to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only used to help understand the method and core idea of the present invention; at the same time, for Those skilled in the art will have changes in the specific implementation and scope of application according to the idea of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims (14)

1. A data preservation method, characterized in that, comprising: When the mobile terminal determines that the mobile terminal is lost, lock the mobile terminal; Start the front camera and get the target face image; The target face image is stored in a locked space in the memory of the mobile terminal; files stored in the locked space cannot be deleted by the user. 2. The method according to claim 1, characterized in that the method further comprises: When acquiring the target face image, acquiring displacement information of the mobile terminal; The acquisition of the target face image includes: Adjusting the acquired initial human face image according to the displacement information to obtain the target human face image. 3. The method according to claim 2, wherein the method further comprises: Receive target indication information; The determining that the mobile terminal is in a lost state includes: When the mobile terminal receives the target indication information, determine that the mobile terminal is in the lost state; The method also includes: After the target face image is acquired, the target face image is sent to a terminal device corresponding to a preset contact. 4. method according to claim 3, is characterized in that, described acquisition target face image, comprises: get more than one image; Face recognition is performed on the more than one image, so as to select an image containing facial feature information from the more than one image as the target face image. 5. The method according to any one of claims 1-4, wherein the determining that the mobile terminal is in a lost state comprises: Obtain the target geographic location where the mobile terminal is currently located; Querying historical location records of the mobile terminal to determine more than one common geographic location of the mobile terminal; If the target geographic location is different from the more than one common geographic location, it is determined that the mobile terminal is in the lost state. 6. A mobile terminal, characterized in that the mobile terminal includes a processor, a front camera connected to the processor, and a memory connected to the processor, wherein, The processor is configured to determine whether the mobile terminal is in a lost state, and lock the mobile terminal if the mobile terminal is in the lost state; The front camera is used to acquire the target face image after locking the mobile terminal; The storage is used to store the target face image in a locked space in the storage; files stored in the locked space cannot be deleted by the user. 7. The mobile terminal according to claim 6, further comprising a gyroscope connected to the processor; The gyroscope is used for acquiring displacement information of the mobile terminal when the front camera acquires the target face image; In terms of acquiring the target face image, the front camera is specifically configured to adjust the acquired initial face image according to the displacement information to obtain the target face image. 8. The mobile terminal according to claim 7, further comprising a radio frequency circuit connected to the processor; The radio frequency circuit is used to receive target indication information; In the aspect of determining whether the mobile terminal is in the lost state, the processor is specifically configured to determine that the mobile terminal is in the lost state when the mobile terminal receives the target indication information; The radio frequency circuit is further configured to send the target face image to a terminal device corresponding to a preset contact. 9. The mobile terminal according to claim 8, characterized in that, in the aspect of acquiring the target face image, the front camera is specifically used to acquire more than one image, and perform an operation on the more than one image. The face recognition is to select an image containing face feature information from the more than one images as the target face image. 10. The mobile terminal according to any one of claims 6 to 9, wherein the mobile terminal further comprises a Global Positioning System (GPS) module connected to the processor; The GPS module is used to obtain the target geographic location where the mobile terminal is currently located; In terms of determining whether the mobile terminal is in a lost state, the processor is specifically configured to query the historical location records of the mobile terminal to determine more than one common geographic location of the mobile terminal, and If the geographic location is different from the more than one common geographic location, it is determined that the mobile terminal is in the lost state. 11. A data storage device, characterized in that it comprises: a locking unit, configured to lock the mobile terminal when it is determined that the mobile terminal is lost; An acquisition unit is used to start the front camera and acquire the target face image; The saving unit is used to save the target face image in a locked space in the memory of the mobile terminal; files saved in the locked space cannot be deleted by the user. 12. A data storage method, characterized in that it is applied to a mobile terminal comprising a processor, a front camera and a memory, the method comprising: If the processor determines that the mobile terminal is lost, lock the mobile terminal; The front camera starts and acquires the target face image; The storage stores the target face image in a locked space of the storage; files stored in the locked space cannot be deleted by the user. 13. A mobile terminal, characterized in that it includes a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and are configured to be executed by the Executed by a processor, the program includes instructions for performing the steps in any one of the methods of claims 1 to 5. 14. A computer-readable storage medium, characterized in that it stores a computer program for electronic data exchange, wherein the computer program causes the computer to execute the method according to any one of claims 1 to 5, the Computers include mobile terminals.