CN110135204A - Data guard method and device - Google Patents
Data guard method and device Download PDFInfo
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- CN110135204A CN110135204A CN201910295232.7A CN201910295232A CN110135204A CN 110135204 A CN110135204 A CN 110135204A CN 201910295232 A CN201910295232 A CN 201910295232A CN 110135204 A CN110135204 A CN 110135204A
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- display screen
- target display
- user
- input information
- data
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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
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
-
- 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
Abstract
The disclosure provides a kind of data guard method and device, is related to electronic information technical field, be able to solve user has the security risk of leaking data during using electronic equipment.The specific technical proposal is: obtaining the scene image in predeterminable area, predeterminable area includes the region opposite with the target display screen of data to be protected is shown；When scene image includes subject image element, control target display screen display waits interface, and interface is waited to show data to be protected for stopping；The input information of the user of target display screen is obtained, and the user of target display screen is verified according to input information；After the user of target display screen is proved to be successful, control target display screen continues to show data to be protected.The disclosure is used for data protection.
Description
Technical field
This disclosure relates to electronic information technical field more particularly to data guard method and device.
Background technique
With the enhancing of computer function and popularizing for computer applications, many affairs are required using at computer now
Reason, and data shown on computer display screen, may be stolen by the modes such as take pictures leads to leakage of data.And for protecting number
According to relying primarily on secrecy rules and regulations, secrecy ideological education technically prevents mobile communication etc. using electromagnetic shielding device.But
The protection of these safeguard measures is limited, and safety is poor, and user still remains data during using electronic equipment
The security risk of leakage.
Summary of the invention
The embodiment of the present disclosure provides a kind of data guard method and device, is able to solve user in the mistake using electronic equipment
There are problems that the security risk of leaking data in journey.The technical solution is as follows:
According to the first aspect of the embodiments of the present disclosure, a kind of data guard method is provided, this method comprises:
The scene image in predeterminable area is obtained, predeterminable area includes opposite with the target display screen of data to be protected is shown
Region；
When scene image includes subject image element, control target display screen display waits interface, and interface is waited to be used for
Stop showing data to be protected；
Obtain the input information of the user of target display screen, and according to input information to the user of target display screen into
Row verifying；
After the user of target display screen is proved to be successful, control target display screen continues to show data to be protected.
By identifying whether the scene image of predeterminable area includes subject image element, it is determined whether someone's shooting, if
It determines that someone shoots, prompts user to verify, if be proved to be successful, can continue to show data to be protected, improve
The safety of data protection, meanwhile, continue to show data to be protected because verifying can be carried out, reduces misrecognition to user
Caused by influence.
In one embodiment, input information includes the key assignments of key；Use according to input information to target display screen
Person verifies, comprising:
When the key assignments instruction for inputting the key that information includes switches to normal display, the user of target display screen is determined
It is proved to be successful.
In one embodiment, input information includes facial image, and facial image is used to indicate the use of target display screen
The face characteristic of person；The user of target display screen is verified according to input information, comprising:
According to facial image when determining the user of target display screen is legitimate user, making for target display screen is determined
User is proved to be successful.
In one embodiment, the user of target display screen is verified according to input information, comprising:
When input information is consistent with preset encrypted message, determine that the user of target display screen is proved to be successful.
In one embodiment, this method further include:
After user's authentication failed of target display screen, predeterminable area is shot.
According to the second aspect of an embodiment of the present disclosure, a kind of data protecting device is provided, comprising: obtain module, the first control
Molding block, authentication module and the second control module；
Wherein, module is obtained, for obtaining the scene image in predeterminable area, predeterminable area includes and shows number to be protected
According to the opposite region of target display screen；
First control module, for when scene image includes subject image element, control target display screen display to be waited
Interface waits interface to show data to be protected for stopping；
Authentication module, the input information of the user for obtaining target display screen, and it is aobvious to target according to input information
The user of display screen verifies；
Second control module, for after the user of target display screen is proved to be successful, control target display screen to continue to show
Show data to be protected.
In one embodiment, input information includes the key assignments of key；Authentication module includes key assignments authentication unit；
Key assignments authentication unit determines when for switching to normal display in the key assignments instruction for inputting the key that information includes
The user of target display screen is proved to be successful.
In one embodiment, input information includes facial image, and facial image is used to indicate the use of target display screen
The face characteristic of person；Authentication module includes face verification unit；
Face verification unit, for according to facial image when determining the user of target display screen is legitimate user,
Determine that the user of target display screen is proved to be successful.
In one embodiment, authentication module includes password authentication unit；
Password authentication unit, for determining making for target display screen when input information is consistent with preset encrypted message
User is proved to be successful.
In one embodiment, data protecting device further includes shooting module；
Shooting module, for being shot to predeterminable area after user's authentication failed of target display screen.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is a kind of flow chart for data guard method that the embodiment of the present disclosure provides；
Fig. 2 is a kind of position effect schematic diagram for image collecting device that the embodiment of the present disclosure provides；
Fig. 3 is a kind of structure chart for data protecting device that the embodiment of the present disclosure provides；
Fig. 4 is a kind of structure chart for data protecting device that the embodiment of the present disclosure provides；
Fig. 5 is a kind of structure chart for data protecting device that the embodiment of the present disclosure provides；
Fig. 6 is a kind of structure chart for data protecting device that the embodiment of the present disclosure provides；
Fig. 7 is a kind of structure chart for data protecting device that the embodiment of the present disclosure provides.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
The embodiment of the present disclosure provides a kind of data guard method, is applied to data protecting device, as shown in Figure 1, the data
Guard method the following steps are included:
101, the scene image in predeterminable area is obtained.
Predeterminable area includes the region opposite with the target display screen of data to be protected is shown, predeterminable area is can to shoot
To the region of target display screen.
Optionally, Image Acquisition can be carried out to predeterminable area by image collecting device and generates scene image.Image
Acquisition device can be a part of data protecting device, be also possible to through external interface and data protecting device connection communication
External image acquisition device；Image collecting device is also possible to a part of target display screen, or passes through external interface
With the external image acquisition device of target display screen connection communication.Data protecting device can be a part of target display screen,
The external device (ED) either being connect with target display screen.
For example, data protecting device is a device inside target display screen, image is installed on target display screen and is adopted
Acquisition means can carry out Image Acquisition to the predeterminable area opposite with target display screen.
Specifically, above-mentioned image collecting device can be camera, the frequency of Image Acquisition can be 30 times/second.Wait protect
Shield data can be preset classified papers etc., show that the opposite region of the target display screen of data to be protected belongs to target and shows
The direction of panel pair, for example, as shown in Fig. 2, image collecting device is set to target display screen upper edge, certainly, image is adopted
Acquisition means can have multiple, also can be set in different ground France, towards with target display screen just facing towards identical, acquisition
The region of image can be used as predeterminable area.
In an alternative embodiment, camera starts after being configurable to booting, i.e., sets belonging to target display screen
After standby (such as: computer etc.) booting, camera starting obtains the image in predeterminable area.
In an alternative embodiment, ecret protection application program is can be set in computer, when user starts the privacy
When protecting application program, image collecting device starting.This mode can reduce power consumption.
102, when scene image includes subject image element, control target display screen display waits interface.
Subject image element embodies the key message of shooting behavior, for example, posture of taking pictures, photographic device etc..Target image
Element may include the image of some specific people, also may include image (such as the figure of camera of image collecting device
Picture), if image recognition result instruction scene image includes subject image element, someone can be determined to target display screen
It takes on the sly.Interface is waited to show data to be protected for stopping.
Before step 102, scene image can be identified, to scene image carry out image recognition can there are many
Mode is enumerated two specific examples and is illustrated herein:
In first example, image recognition is carried out to scene image and obtains image recognition result, comprising:
Obtain images match model；Image recognition is carried out to scene image using images match model and generates image recognition
As a result, whether image recognition result is used to indicate in scene image comprising subject image element.
Obtain images match model, using images match model judge in scene image whether include subject image element more
It is accurate to add, and reduces erroneous judgement.
It should be noted that images match model can be pre-set, can also be obtained by training study, for example,
Obtain images match model, comprising:
Initial matching model and sample image are obtained, sample image includes first kind sample image and the second class sample graph
Picture, wherein first kind sample image includes subject image element, and the second class sample image does not include subject image element；It utilizes
Initial matching model handles sample image to obtain the decision content of sample image；According to the decision content of sample image and reference
The difference of value obtains images match model after being adjusted to the parameter of initial matching model.
It should be noted that reference value can be it is preset.Herein, column take a particular example further explanation figure
As the acquisition process of Matching Model.For example, first kind sample image and the second class sample image are marked respectively, can incite somebody to action
First kind sample image is labeled as (1,0), and the second class sample image is labeled as (0,1), then using initial matching model to sample
This image A (sample image A is any one sample image, is only illustrated by taking sample image A as an example herein) is handled,
Two steps can be divided into using treatment process of the initial matching model to sample image A；The first step utilizes first network model
Feature extraction is carried out to sample image A, obtains the characteristic value of sample image A, the characteristic value of sample image A is for indicating sample graph
As the characteristics of image of A；Second step carries out the characteristic value of sample image A using the second network model sample image A is calculated
Decision content.If sample image A is first kind sample image, reference value is (1,0), if the judgement of sample image A
Value is (0.5,0), and the change of parameter in first network model and the second network model is calculated using the difference of decision content and reference value
Then change value is adjusted the first network model and the second network model, and is trained next time.Into excessively a large amount of instruction
Practice, so that it may obtain images match model.
If being more than using difference of the images match model to the scene image decision content handled and reference value
Preset range, then illustrate that scene image differs larger with the characteristics of image of sample image, using images match model to scene
The difference of decision content and reference value that image is handled within a preset range, then illustrates scene image and sample image
Characteristics of image is close, it is likely that includes subject image element.According to the decision content of sample image and reference value to initial matching mould
Type carries out parameter adjustment, and obtained images match model is more accurate for the processing of image, can more accurately determine scene
Whether there is the behavior of taking on the sly in image.
In second example, it can establish database, include a large amount of subject image elements in database, then by scene
Image is matched with the subject image element in database, and then whether determine in scene image includes subject image element,
For example, carrying out image recognition to scene image obtains image recognition result, comprising:
Image recognition is carried out to scene image and obtains at least one pictorial element；By at least one pictorial element and target figure
Pixel element is matched, if successful match, it is determined that includes subject image element at least one pictorial element, if matching
Failure, it is determined that do not include subject image element at least one pictorial element；Image recognition result is generated according to matching result.
It should be noted that each pictorial element includes at least one pixel, a target at least one pictorial element
Pictorial element also includes at least one pixel, at least one pictorial element with subject image element match can pass through by
Pixel in two pictorial element same positions is compared to determine.It is with the pictorial element A at least one pictorial element
Example, if the pixel value of two pixels on pictorial element A and subject image element same position is less than or equal to preset difference value,
Two pixels are then determined as same pixel pair, if the quantity of pictorial element A and subject image element same pixel pair is being schemed
The all pixels for including as elements A and subject image element are greater than or equal to preset ratio to ratio shared in quantity, then really
Determine pictorial element A and subject image element matching.Certainly, only exemplary illustration herein, does not represent the disclosure and is confined to this.
The matching of pictorial element A and subject image element is the matching of Pixel-level, and therefore, matching result is more acurrate, moreover, to database
In subject image element can be updated, allow subject image element to cover various behaviors of taking on the sly, data protection
Safety is higher.
In one embodiment, if scene image includes subject image element, waiting circle that target display screen is shown
Face, which can be a warning image, further can cut off the display source of target display screen, and controls target display screen and show
Warn image.
It should be noted that warning image can be and be stored in advance in target display screen, can also be filled by data protection
It sets and is transmitted to target display screen.The display source for cutting off target display screen, ensure that data to be protected are not revealed, while aobvious in target
Show that screen display warns image, reminds user to reinforce the protection to data, further improve Information Security.
Further, by taking target display screen does not include data protecting device as an example, scene figure is determined in data protecting device
When as comprising subject image element, data protecting device sends caution signal, mesh to target display screen by data transmission interface
It marks display screen and display source is cut off according to caution signal, and show warning image；When scene image does not include subject image element,
Data protecting device can not send signal to target display screen, can also be sent by data transmission interface to target display screen
Safety signal.The data transmission interface can be high-definition multimedia interface (English: High Definition
Multimedia Interface, HDMI) or digital visual interface (English: Digital Visual Interface,
DVI), it is also possible to universal serial bus (English: Universal Serial Bus, USB) interface, the disclosure does not limit this
System.
103, the input information of the user of target display screen, and the use according to input information to target display screen are obtained
Person verifies.
Input information can have the different forms of expression, be verified according to input information to the user of target display screen
Three kinds of implementations can also be enumerated herein and are described as follows there are many implementation:
In the first implementation, input information includes the key assignments of key；According to input information to target display screen
User verifies, comprising:
When the key assignments instruction for inputting the key that information includes switches to normal display, the user of target display screen is determined
It is proved to be successful.
User is verified by key, and key can be physical button and be also possible to virtual key, for example, user
Press a combination button or some special key, so that it may by verifying, switch to normal display interface.
In the second implementation, input information includes facial image, and facial image is used to indicate target display screen
The face characteristic of user；The user of target display screen is verified according to input information, comprising:
According to facial image when determining the user of target display screen is legitimate user, making for target display screen is determined
User is proved to be successful.
In the third implementation, the user of target display screen is verified according to input information, comprising:
When input information is consistent with preset encrypted message, determine that the user of target display screen is proved to be successful.
User is verified by inputting password, which can be voice messaging, be also possible to text
Word information, be also possible to number, letter or diversified forms combination encrypted message, the disclosure to this with no restriction.
104, after the user of target display screen is proved to be successful, control target display screen continues to show data to be protected.
In one embodiment, this method further include: after user's authentication failed of target display screen, to predeterminable area
It is shot.
It should be noted that being shot to predeterminable area, it can be the shooting module that data protecting device includes and carry out
Shooting, is also possible to data protecting device and controls other filming apparatus to shoot predeterminable area, and the disclosure does not limit this
System.
In conjunction with step 101-104, in a kind of application scenarios, data protecting device is monitored predeterminable area, to protect
The data to be protected that eye protection mark display screen is shown are not leaked.When someone shoots target display screen, data protecting device is known
The scene image being clipped in predeterminable area includes subject image element, then controls the display of target display screen and wait interface, this just makes
It obtains target display screen not continuing to show data to be protected, avoids leaking data.But in monitoring process, it is possible to exist
Misrecognition；Or legitimate user is made that some movements for being similar to shooting, at this point, legitimate user can not continue normally to make
With, can by press Macintosh, switch to normal display interface；It can also be switched to by recognition of face or password authentification
Normal display interface.Certainly, data protecting device all can serve as evidence and save for presetting the scene image in scene,
After legitimate user switches to the page for normally showing data to be protected, scene image before is still saved, and also avoiding can
The people for carrying out page switching steals data using own right, and safety is higher.
The data guard method that the embodiment of the present disclosure provides, by identifying whether the scene image of predeterminable area includes target
Pictorial element, it is determined whether someone's shooting, if it is determined that someone's shooting prompts user to verify, if be proved to be successful,
Can continue to show data to be protected, improve the safety of data protection, meanwhile, because can carry out verifying continue display to
Data are protected, misrecognition influence caused by user is reduced.
Based on data guard method described in the corresponding embodiment of above-mentioned Fig. 1, following is embodiment of the present disclosure,
It can be used for executing embodiments of the present disclosure.
The embodiment of the present disclosure provides a kind of data protecting device, as shown in figure 3, the data protecting device 30 includes: to obtain
Module 301, the first control module 302, authentication module 303 and the second control module 304；
Wherein, module 301 is obtained, for obtaining the scene image in predeterminable area, predeterminable area includes and shows wait protect
Protect the opposite region of the target display screen of data；
First control module 302, for when scene image includes subject image element, control target display screen to be shown
To interface, waits interface to be used to indicate and the user of target display screen is verified；
Authentication module 303, the input information of the user for obtaining target display screen, and according to input information to target
The user of display screen verifies；
Second control module 304, for after the user of target display screen is proved to be successful, control target display screen to continue
Show data to be protected.
In one embodiment, input information includes the key assignments of key；As shown in figure 4, authentication module 303 is tested including key assignments
Demonstrate,prove unit 3031；
Key assignments authentication unit 3031, when for switching to normal display in the key assignments instruction for inputting the key that information includes,
Determine that the user of target display screen is proved to be successful.
In one embodiment, input information includes facial image, and facial image is used to indicate the use of target display screen
The face characteristic of person；As shown in figure 5, authentication module 303 includes face verification unit 3032；
Face verification unit 3032, for determining that the user of target display screen is legitimate user according to facial image
When, determine that the user of target display screen is proved to be successful.
In one embodiment, as shown in fig. 6, authentication module 303 includes password authentication unit 3033；
Password authentication unit 3033, for determining target display screen when input information is consistent with preset encrypted message
User be proved to be successful.
In one embodiment, as shown in fig. 7, data protecting device 30 further includes shooting module 305；
Shooting module 305, for being shot to predeterminable area after user's authentication failed of target display screen.
The data protecting device that the embodiment of the present disclosure provides, by identifying whether the scene image of predeterminable area includes target
Pictorial element, it is determined whether someone's shooting, if it is determined that someone's shooting prompts user to verify, if be proved to be successful,
Can continue to show data to be protected, improve the safety of data protection, meanwhile, because can carry out verifying continue display to
Data are protected, misrecognition influence caused by user is reduced.
Based on data guard method described in the corresponding embodiment of above-mentioned Fig. 1, the embodiment of the present disclosure also provides one kind
Computer readable storage medium, for example, non-transitorycomputer readable storage medium can be read-only memory (English: Read
Only Memory, ROM), it is random access memory (English: Random Access Memory, RAM), CD-ROM, tape, soft
Disk and optical data storage devices etc..It is stored with computer instruction on the storage medium, for executing the corresponding embodiment of above-mentioned Fig. 1
Described in data guard method, details are not described herein again.
Those skilled in the art will readily occur to its of the disclosure after considering specification and practicing disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
Claims (10)
1. a kind of data guard method, which is characterized in that the described method includes:
The scene image in predeterminable area is obtained, the predeterminable area includes opposite with the target display screen of data to be protected is shown
Region；
When the scene image includes subject image element, controls the target display screen display and wait interface, the waiting
Interface shows the data to be protected for stopping；
The input information of the user of the target display screen is obtained, and according to the input information to the target display screen
User verifies；
After the user of the target display screen is proved to be successful, controls the target display screen and continue to show the number to be protected
According to.
2. the method according to claim 1, wherein the input information includes the key assignments of key；According to described
Input information verifies the user of the target display screen, comprising:
When the key assignments instruction for the key that the input information includes switches to normal display, making for the target display screen is determined
User is proved to be successful.
3. the method according to claim 1, wherein the input information includes facial image, the face figure
Face characteristic as being used to indicate the user of the target display screen；According to the input information to the target display screen
User verifies, comprising:
According to the facial image when determining the user of the target display screen is legitimate user, determine that the target is aobvious
The user of display screen is proved to be successful.
4. the method according to claim 1, wherein being made according to the input information to the target display screen
User verifies, comprising:
When the input information is consistent with preset encrypted message, determine that the user of the target display screen is proved to be successful.
5. method according to claim 1-4, which is characterized in that the method also includes:
After user's authentication failed of the target display screen, the predeterminable area is shot.
6. a kind of data protecting device characterized by comprising obtain module, the first control module, authentication module and the second control
Molding block；
Wherein, the acquisition module, for obtaining the scene image in predeterminable area, the predeterminable area includes and shows wait protect
Protect the opposite region of the target display screen of data；
First control module, for controlling the target display screen when the scene image includes subject image element
Display waits interface, and the waiting interface shows the data to be protected for stopping；
The authentication module, the input information of the user for obtaining the target display screen, and according to the input information
The user of the target display screen is verified；
Second control module, for controlling the target and showing after the user of the target display screen is proved to be successful
Screen continues to show the data to be protected.
7. device according to claim 6, which is characterized in that the input information includes the key assignments of key；The verifying
Module includes key assignments authentication unit；
When the key assignments instruction of the key assignments authentication unit, the key for including in the input information switches to normal display,
Determine that the user of the target display screen is proved to be successful.
8. device according to claim 6, which is characterized in that the input information includes facial image, the face figure
Face characteristic as being used to indicate the user of the target display screen；The authentication module includes face verification unit；
The face verification unit, for determining that the user of the target display screen is legal makes according to the facial image
When user, determine that the user of the target display screen is proved to be successful.
9. device according to claim 6, which is characterized in that the authentication module includes password authentication unit；
The password authentication unit, for when the input information is consistent with preset encrypted message, determining that the target is aobvious
The user of display screen is proved to be successful.
10. according to the described in any item devices of claim 6-9, which is characterized in that the data protecting device further includes shooting
Module；
The shooting module, for clapping the predeterminable area after user's authentication failed of the target display screen
It takes the photograph.
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| CN111259461A (en) * | 2020-01-20 | 2020-06-09 | 北京科芮智盈技术有限公司 | Anti-stealing-lighting method, terminal equipment and system |
| CN113869294A (en) * | 2021-12-03 | 2021-12-31 | 深圳竹云科技有限公司 | Data protection method based on computer vision and related equipment |
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