CN103955650A - Method and device for preventing peeping through regulating screen luminance - Google Patents
Method and device for preventing peeping through regulating screen luminance Download PDFInfo
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- CN103955650A CN103955650A CN201410184273.6A CN201410184273A CN103955650A CN 103955650 A CN103955650 A CN 103955650A CN 201410184273 A CN201410184273 A CN 201410184273A CN 103955650 A CN103955650 A CN 103955650A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/84—Protecting input, output or interconnection devices output devices, e.g. displays or monitors
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a method and device for preventing peeping through regulating screen luminance. The method comprises the following steps: by using the started camera of a terminal, the behavior that users peep at the terminal is detected by the terminal; when the behavior that the users peep at the terminal is detected, the screen luminance of the terminal is regulated. According to the invention, the behavior that the terminal is peeped can be timely found by the terminal, and peeping can be prevented through regulating the screen luminance, so that the relative information of legitimate users can be protected, and the user experience is improved.
Description
Technical field
The present invention relates to user terminal, particularly a kind ofly prevent the method for spying on and relevant device by adjusting screen brightness.
Background technology
Use the terminals such as smart mobile phone, notebook computer, panel computer during as user, if processing some classified papers or should be noted that privacy, be necessary the content that prevents that people around from spying on screen display.
At present the peep-proof pad pastings that adopt are realized terminal screen peep-proof more, but that its major defect is expense is higher.
Summary of the invention
The object of the present invention is to provide a kind of method and device of spying on of preventing by adjusting screen brightness, solve the high problem of existing peep-proof technical costs.
According to an aspect of the present invention, provide a kind of method of spying on of preventing by adjusting screen brightness, having comprised:
Terminal is utilized its camera having started, and the behavior of user being spied on to terminal detects;
In the time detecting that user spies on the behavior of terminal, to terminal screen, brightness regulates.
Preferably, described terminal is utilized its camera having started, and comprises spying on the step that the behavior of terminal detects:
Terminal is utilized its camera having started, and obtains the detecting image in its detection area;
Obtained detecting image is carried out to recognition of face processing, obtain the current user's in the face of terminal screen face information;
Utilize described face information, judge whether to exist user to spy on the behavior of terminal.
Preferably, described face information comprises face characteristic information and/or face quantity information.
Preferably, described utilize described face information, judge whether that the step that exists user to spy on the behavior of terminal comprises:
Terminal compares user's face characteristic information and pre-stored characteristics information;
If user's face characteristic information is not mated with pre-stored characteristics information, determine and exist user to spy on the behavior of terminal.
Preferably, described utilize described face information, judge whether that the step that exists user to spy on the behavior of terminal comprises:
Terminal is by user's face quantity information and the comparison of default face quantity information;
If user's face quantity is greater than default face quantity, determines and exist user to spy on the behavior of terminal.
Preferably, described utilize described face information, judge whether that the step that exists user to spy on the behavior of terminal comprises:
Terminal is by user's face quantity information and the comparison of default face quantity information;
In the time that user's face quantity is less than or equal to default face quantity, user's face characteristic information and pre-stored characteristics information are compared;
If user's face characteristic information is not mated with pre-stored characteristics information, determine and exist user to spy on the behavior of terminal.
Preferably, described in the time detecting that user spies on the behavior of terminal, the step that brightness regulates to terminal screen comprises:
The described detecting image that terminal utilization has been obtained, calculates the current distance of facing between user and the terminal of terminal screen, and according to described distance, reduces terminal screen brightness.
According to a further aspect in the invention, provide a kind of device of spying on of preventing by adjusting screen brightness, having comprised:
Detection module, for the camera that utilizes terminal to start, the behavior of user being spied on to terminal detects;
Brightness regulation module, in the time detecting that user spies on the behavior of terminal, to terminal screen, brightness regulates.
Preferably, described detection module comprises:
Image Acquisition submodule, for the camera that utilizes terminal to start, obtains the detecting image in its detection area;
Recognition of face submodule, carries out recognition of face processing for the detecting image to obtained, and obtains the current user's in the face of terminal screen face information;
Spy on judgement submodule, for utilizing described face information, judge whether to exist user to spy on the behavior of terminal.
Preferably, described brightness regulation module comprises:
Apart from calculating sub module, for the described detecting image that utilizes terminal to obtain, calculate current in the face of the distance between user and the terminal of terminal screen;
Brightness regulation submodule, for according to described distance, reduces terminal screen brightness.
Compared with prior art, beneficial effect of the present invention is:
By the present invention, terminal can find to spy on the behavior of terminal in time, and prevents from spying on by adjusting screen brightness, thereby the relevant information of validated user is protected, and has promoted user's experience.
Brief description of the drawings
Fig. 1 is the Method And Principle block diagram spied on of preventing by adjusting screen brightness provided by the invention;
Fig. 2 is the device block diagram spied on of preventing by adjusting screen brightness provided by the invention;
Fig. 3 is that the adjusting screen brightness of passing through that first embodiment of the invention provides prevents the principle flow chart of spying on;
Fig. 4 is that the adjusting screen brightness of passing through that second embodiment of the invention provides prevents the process flow diagram of spying on;
Fig. 5 is that the adjusting screen brightness of passing through that third embodiment of the invention provides prevents the process flow diagram of spying on;
Fig. 6 is that the adjusting screen brightness of passing through that fourth embodiment of the invention provides prevents the process flow diagram of spying on.
Embodiment
Fig. 1 is the Method And Principle block diagram spied on of preventing by adjusting screen brightness provided by the invention, and as shown in Figure 1, step comprises:
Step 101: terminal is utilized its camera having started, and the behavior of user being spied on to terminal detects.
In described step 101, terminal is utilized its camera having started, obtain the detecting image in its detection area, then obtained detecting image is carried out to recognition of face processing, obtain the current user's in the face of terminal screen the face information that comprises face characteristic information and/or face quantity information, and utilize described face characteristic information and/or face quantity information, judge whether to exist user to spy on the behavior of terminal.Wherein, the judgment mode of user being spied on to terminal behavior at least comprises following three kinds: a. terminal compares user's face characteristic information and pre-stored characteristics information, if do not mate, determines and exists user to spy on the behavior of terminal; B. terminal, by user's face quantity information and the comparison of default face quantity information, if user's face quantity is greater than default face quantity, is determined and is existed user to spy on the behavior of terminal; C. terminal is by user's face quantity information and the comparison of default face quantity information, in the time that user's face quantity is less than or equal to default face quantity, user's face characteristic information and pre-stored characteristics information are compared, if user's face characteristic information is not mated with pre-stored characteristics information, determine and exist user to spy on the behavior of terminal.
Described recognition of face processing comprises two steps: a. face location, i.e. have or not face in judgement detecting image, thereby determine face quantity; B. recognition of face,, to every face confirming, extracts face characteristic information.
Step 102: in the time detecting that user spies on the behavior of terminal, brightness regulates to terminal screen.
In described step 102, the described detecting image that terminal utilization has been obtained, calculates the current distance of facing between user and the terminal of terminal screen, and according to described distance, reduces terminal screen brightness.Specifically, user spies on that the distance of terminal is nearer, and terminal screen brightness is lower, and for example, when user A spies on screen apart from terminal screen 90cm, screen intensity reduces by 20%, and during apart from 70cm, screen intensity reduces by 40%.
While calculating the distance of user and terminal screen, have or the difference of the camera quantity that starts according to terminal, account form is difference slightly.For example, when terminal has or starts a camera, terminal can be utilized the angle of focal length, face and the terminal screen of camera, determines described distance; Can also utilize pupil detection algorithm, calculate binocular distance, thereby further determine described distance.For another example,, when terminal has or starts two cameras, terminal can be utilized the imaging point position of two distance, focal length and faces between camera, determines described distance.
Carrying out before described step 101, also comprising: terminal is being used for preventing the operation of spying on according to user, start camera.That is to say, user can be as required, the peep-proof function that starts or close a terminal.
Fig. 2 is the device block diagram spied on of preventing by adjusting screen brightness provided by the invention, as shown in Figure 2, comprises detection module 201 and brightness regulation module 202.Wherein:
The camera of described detection module for utilizing terminal to start, the behavior of user being spied on to terminal detects.Further, described detection module comprises the Image Acquisition submodule that utilizes camera that terminal has started to obtain the detecting image in its detection area, obtained detecting image is carried out to recognition of face processing to obtain the current user's in the face of terminal screen the face recognition module of face information, utilize described face information judge whether to exist user spy on terminal behavior spy on judgement submodule.Wherein, described face information comprises face characteristic information and/or face quantity information, described spying on judges that the judgment mode that submodule is spied on terminal behavior to user at least comprises following three kinds: described in a., spy on and judge that submodule compares user's face characteristic information and pre-stored characteristics information, if do not mate, determine and exist user to spy on the behavior of terminal; B. described in, spy on and judge that submodule is by user's face quantity information and the comparison of default face quantity information, if user's face quantity is greater than default face quantity, determines and exist user to spy on the behavior of terminal; C. described in, spy on and judge that submodule is by user's face quantity information and the comparison of default face quantity information, in the time that user's face quantity is less than or equal to default face quantity, user's face characteristic information and pre-stored characteristics information are compared, if user's face characteristic information is not mated with pre-stored characteristics information, determine and exist user to spy on the behavior of terminal.
Described brightness regulation module is in the time detecting that user spies on the behavior of terminal, and to terminal screen, brightness regulates.Further, described brightness regulation module comprises: the current distance calculating sub module in the face of the distance between user and the terminal of terminal screen of described detecting image calculation of utilizing terminal to obtain, and according to the brightness regulation submodule of described distance reduction terminal screen brightness.
Fig. 3 is that the adjusting screen brightness of passing through that first embodiment of the invention provides prevents the principle flow chart of spying on, and as shown in Figure 3, step comprises:
Step 301: when client is during through Camera detection area, first terminal calculates distance between itself and client, and whether client is in the face of display screen; Then, by range information and whether cross driver in the face of the information exchange of display screen and feed back to EC chip.
Step 302: according to described distance and whether in the face of the information of display, judge whether to meet the condition of brightness adjusting, if meet, perform step 303, otherwise repeated execution of steps 301.
Step 303: according to described range information, directly adjust screen intensity.
Fig. 4 is that the adjusting screen brightness of passing through that second embodiment of the invention provides prevents the process flow diagram of spying on, and as shown in Figure 4, step comprises:
Step 401: terminal is utilized its camera having started, obtains the detecting image in its detection area.
Step 402: carry out recognition of face processing by the detecting image to obtained, obtain the current user's in the face of terminal screen face characteristic information.
Step 403: described face characteristic information and pre-stored characteristics information are compared, if consistent, carry out described step 404, otherwise execution step 405.
Step 404: terminal does not change terminal screen brightness.
Step 405: the described detecting image that terminal utilization has been obtained, calculates the current distance of facing between user and the terminal of terminal screen, and according to described distance, reduces terminal screen brightness.
Whether by the present embodiment, can identify the current user who detects is the validated user of this terminal, if not, can reduce terminal screen brightness, with peep-proof.
Fig. 5 is that the adjusting screen brightness of passing through that third embodiment of the invention provides prevents the process flow diagram of spying on, and as shown in Figure 5, step comprises:
Step 501: terminal is utilized its camera having started, obtains the detecting image in its detection area.
Step 502: carry out recognition of face processing by the detecting image to obtained, obtain the current user's in the face of terminal screen face quantity information.
Step 503: terminal, by user's face quantity information and the comparison of default face quantity information, if user's face quantity is less than or equal to default face quantity, is carried out described step 504, otherwise execution step 505.
Step 504: terminal does not change terminal screen brightness.
Step 505: the described detecting image that terminal utilization has been obtained, calculates the current distance of facing between user and the terminal of terminal screen, and according to described distance, reduces terminal screen brightness.
For example, default face quantity is 1, if the current user's in the face of screen face quantity is 2, determine that the user far away apart from terminal screen is the user who spies on terminal screen displaying contents, now, can, according to the distance of this user and terminal screen, suitably reduce screen intensity, both reached and prevented the object of spying on, and also do not affected the user nearer apart from terminal screen simultaneously and use.
Fig. 6 is that the adjusting screen brightness of passing through that fourth embodiment of the invention provides prevents the process flow diagram of spying on, and as shown in Figure 6, step comprises:
Step 601: terminal is utilized its camera having started, obtains the detecting image in its detection area.
Step 602: carry out recognition of face processing by the detecting image to obtained, obtain the current user's in the face of terminal screen face characteristic information and face quantity information.
Step 603: terminal, by user's face quantity information and the comparison of default face quantity information, if user's face quantity is less than or equal to default face quantity, is carried out described step 604, otherwise execution step 606.
Step 604: described face characteristic information and pre-stored characteristics information are compared, if consistent, carry out described step 605, otherwise execution step 606.
Step 605: terminal does not change terminal screen brightness.
Step 606: the described detecting image that terminal utilization has been obtained, calculates the current distance of facing between user and the terminal of terminal screen, and according to described distance, reduces terminal screen brightness.
In sum; the present invention analyzes the image of terminal camera collection, judges the current user who spies on terminal that whether exists, and in the time determining that the user of terminal is spied in existence; carry out peep-proof by active accommodation screen intensity, effectively protect user's relevant information.
Although above-mentioned, the present invention is described in detail; but the invention is not restricted to this; those skilled in the art can principle according to the present invention modify, and therefore, all various amendments of carrying out according to principle of the present invention all should be understood to fall into protection scope of the present invention.
Claims (10)
1. prevent a method of spying on by adjusting screen brightness, it is characterized in that, comprising:
Terminal is utilized its camera having started, and the behavior of user being spied on to terminal detects;
In the time detecting that user spies on the behavior of terminal, to terminal screen, brightness regulates.
2. method according to claim 1, is characterized in that, described terminal is utilized its camera having started, and comprises spying on the step that the behavior of terminal detects:
Terminal is utilized its camera having started, and obtains the detecting image in its detection area;
Obtained detecting image is carried out to recognition of face processing, obtain the current user's in the face of terminal screen face information;
Utilize described face information, judge whether to exist user to spy on the behavior of terminal.
3. method according to claim 2, is characterized in that, described face information comprises face characteristic information and/or face quantity information.
4. method according to claim 3, is characterized in that, described utilizes described face information, judges whether that the step that exists user to spy on the behavior of terminal comprises:
Terminal compares user's face characteristic information and pre-stored characteristics information;
If user's face characteristic information is not mated with pre-stored characteristics information, determine and exist user to spy on the behavior of terminal.
5. method according to claim 3, is characterized in that, described utilizes described face information, judges whether that the step that exists user to spy on the behavior of terminal comprises:
Terminal is by user's face quantity information and the comparison of default face quantity information;
If user's face quantity is greater than default face quantity, determines and exist user to spy on the behavior of terminal.
6. the method for stating according to claim 3, is characterized in that, described utilizes described face information, judges whether that the step that exists user to spy on the behavior of terminal comprises:
Terminal is by user's face quantity information and the comparison of default face quantity information;
In the time that user's face quantity is less than or equal to default face quantity, user's face characteristic information and pre-stored characteristics information are compared;
If user's face characteristic information is not mated with pre-stored characteristics information, determine and exist user to spy on the behavior of terminal.
7. according to the method described in claim 2-6 any one, it is characterized in that, described in the time detecting that user spies on the behavior of terminal, the step that brightness regulates to terminal screen comprises:
The described detecting image that terminal utilization has been obtained, calculates the current distance of facing between user and the terminal of terminal screen, and according to described distance, reduces terminal screen brightness.
8. prevent by adjusting screen brightness a device of spying on, it is characterized in that, comprising:
Detection module, for the camera that utilizes terminal to start, the behavior of user being spied on to terminal detects;
Brightness regulation module, in the time detecting that user spies on the behavior of terminal, to terminal screen, brightness regulates.
9. device according to claim 8, is characterized in that, described detection module comprises:
Image Acquisition submodule, for the camera that utilizes terminal to start, obtains the detecting image in its detection area;
Recognition of face submodule, carries out recognition of face processing for the detecting image to obtained, and obtains the current user's in the face of terminal screen face information;
Spy on judgement submodule, for utilizing described face information, judge whether to exist user to spy on the behavior of terminal.
10. device according to claim 9, is characterized in that, described brightness regulation module comprises:
Apart from calculating sub module, for the described detecting image that utilizes terminal to obtain, calculate current in the face of the distance between user and the terminal of terminal screen;
Brightness regulation submodule, for according to described distance, reduces terminal screen brightness.
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CN108416235B (en) * | 2018-03-30 | 2019-08-09 | 百度在线网络技术(北京)有限公司 | The anti-peeping method, apparatus of display interface, storage medium and terminal device |
CN108416235A (en) * | 2018-03-30 | 2018-08-17 | 百度在线网络技术(北京)有限公司 | The anti-peeping method, apparatus of display interface, storage medium and terminal device |
CN109165535A (en) * | 2018-09-04 | 2019-01-08 | 北京小米移动软件有限公司 | screen protection method, device and storage medium |
CN112765689A (en) * | 2020-12-31 | 2021-05-07 | 珠海格力电器股份有限公司 | Data processing method, device, equipment and medium |
CN113378139A (en) * | 2021-06-11 | 2021-09-10 | 平安国际智慧城市科技股份有限公司 | Interface content peep-proof method, device, equipment and storage medium |
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