CN102053809A - Method for protecting display data and program product for protecting display data program in memory - Google Patents
Method for protecting display data and program product for protecting display data program in memory Download PDFInfo
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- CN102053809A CN102053809A CN2009102075957A CN200910207595A CN102053809A CN 102053809 A CN102053809 A CN 102053809A CN 2009102075957 A CN2009102075957 A CN 2009102075957A CN 200910207595 A CN200910207595 A CN 200910207595A CN 102053809 A CN102053809 A CN 102053809A
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Abstract
The invention relates to a method for protecting display data and a program product for protecting a display data program in a memory. The method for protecting the display data is used for protecting the data displayed on a display interface and comprises the following steps of: segmenting an original display content into a plurality of sub display contents, wherein the sub display contents have partial data of the original display content respectively; and gradually displaying the sub display contents on the display interface, and displaying a blank picture between the two adjacent displayed sub display contents, wherein the time interval of repeatedly displaying each sub display content on the display interface is smaller than the temporary vision residence time. Therefore, the method can avoid the problem of confidential information divulgence caused by using a camera to shoot the data displayed by the display interface of a terminal device.
Description
Technical field
The present invention relates to a kind of program product of protecting the method and the interior storage protection video data program of video data; more detailed it, relate to the protection video data that a kind of video data to display interface cuts apart and show method and in the program product of storage protection video data program.
Background technology
Along with scientific-technical progress, the information transmission is universal day by day, and e-file replaces written document gradually becomes one of at present indispensable data, thereby for more apparent its importance of the data guard method of e-file.
Generally speaking, if file is secret or only supply specific personage's reading, as data such as payroll, secret official document or research inventions, written document can be stolen a glance at or steal files by the third party avoiding to seal or to conceal mode up for safekeeping, yet written document still has paper to preserve difficult and conceals the doubt of trouble.Inconvenience than the protection written document; development in science and technology at present goes out the protection mechanism of multiple e-file; for example; the website can utilize the mode of lock right button to prevent that the viewer from duplicating web data; also there is program can stop the archives imprinting in the computing machine in CD or copy in the carry-on dish, more has and to forbid issuing the software of guarded data to the network from computing machine.Or data directly are designed to can't mobile form, and then these data only can be present in a kind of electronic installation and can't store separately.
Yet, above-mentioned all preventing mechanisms at e-file still can't be thorough, for example the function of the Print Screen key on the keyboard is duplicated portion with being seen whole pictures on the screen, and be stored in the scrapbook, to allow the user utilize mapping software that it is stored into archives, What is more, can utilize camera that picture shown on the screen is taken pictures, and can easily take away confidential data apace.And well-known, the value of confidential data is its content, no matter therefore these archives with which kind of form are leaked, all can cause everyone sizable infringement of data.
In sum; how providing a kind of prevents to use Print Screen key or shooting technology and steals by the shown Data Protection method of screen; and how to provide a kind of and protect from the program product of the shown data of screen, just become the problem that needs to be resolved hurrily at present.
Summary of the invention
Shortcoming in view of above-mentioned prior art; the object of the present invention is to provide a kind of program product of protecting the method and the interior storage protection video data program of video data; can avoid utilizing camera to obtain the shown data of display interface and problem that the confidential data that causes leaks, and then reach the effect that to protect by display interface display machines ciphertext data.
For reaching aforementioned purpose and other purpose, the invention provides a kind of method of protecting video data, in order to the shown data of protection display interface, may further comprise the steps: a former displaying contents is divided into a plurality of sub-displaying contents, makes these archives have the partial data of this former displaying contents respectively; And gradation shows this sub-displaying contents on this display interface, and is showing demonstration one blank picture between the two adjacent inferior sub-displaying contents.
The present invention provides a kind of program product of interior storage protection video data program in addition, after end device loads this program and carries out, can finish the method for above-mentioned protection video data.
In one embodiment, this sub-displaying contents is repeated to be shown in time interval on this display interface less than a schedule time, and this schedule time is the time of persistence of vision.
In another embodiment, the quantity of this sub-displaying contents is relevant to the time of persistence of vision, the demonstration reaction time and/or the shown frame rate of this display interface of this display interface.
Than prior art, the present invention utilizes the principle of persistence of vision, the a plurality of sub-displaying contents of the partial data of a former displaying contents will be had respectively, with a blank picture interval be shown on the display interface, and respectively this sub-displaying contents time interval of repeating to show is less than the time of persistence of vision, thereby human vision do not impacted, but can make camera or Print Screen key only photograph this blank picture or a certain sub-displaying contents.
From the above; the method of protection video data of the present invention can prevent to utilize camera or PrintScreen key that the shown data of display interface are taken pictures; and after end device loads protection video data program and carries out, more can protect by the shown confidential data of display interface.
Description of drawings
Fig. 1 represents the flow chart of steps of an embodiment of the method for protection video data of the present invention;
Fig. 2 A represents the synoptic diagram of former displaying contents of a specific embodiment of the method for protection video data of the present invention;
Fig. 2 B represents to cut apart first time of a specific embodiment of the method for protection video data of the present invention the synoptic diagram of the resulting sub-displaying contents in back;
Fig. 2 C represents to cut apart second time of a specific embodiment of the method for protection video data of the present invention the synoptic diagram of the resulting sub-displaying contents in back; And
Fig. 2 D represent protection video data of the present invention method a specific embodiment cut apart for the third time the back resulting sub-displaying contents synoptic diagram.
Description of reference numerals
S11～S12 step
Embodiment
Below by particular specific embodiment explanation embodiments of the present invention, those skilled in the art can understand other advantage of the present invention and effect easily by the content that this instructions disclosed.The present invention also can be implemented or be used by other different specific embodiment, and the every details in this instructions also can be based on different viewpoints and application, carries out various modifications and change under the spirit of the present invention not deviating from.Following embodiment further describes viewpoint of the present invention, but is not to limit category of the present invention anyways.
The method of protection video data of the present invention, is applied to when display interface display machines ciphertext data from the shown data of display interface in order to protection.See also Fig. 1, it represents the flow chart of steps of an embodiment of the method for protection video data of the present invention.
In step S11, a former displaying contents is divided into a plurality of sub-displaying contents, make this sub-displaying contents have the partial data of this former displaying contents respectively.Then proceed to step S12.
In step S12, gradation shows this sub-displaying contents on this display interface, and showing between two these sub-displaying contents, shows a blank picture.
In the present embodiment, the data that this sub-displaying contents had separately can partly repeat mutually, or also can be different separately, only need the data that this sub-displaying contents of superposition is had in same viewing area, and all data that can restore this former displaying contents get final product.Moreover, cut apart this former displaying contents with the pixel (pixel) of this former displaying contents as cutting apart foundation, and this former displaying contents can be text file or image file, if when this former displaying contents is literal, can number of words or the foundation cut apart of line number conduct.In addition, in the present embodiment, the pixel of a former displaying contents (or number of words, line number) mean allocation can be given each sub-displaying contents of being cut apart, yet not as limit.In addition, the quantity of the sub-displaying contents that is divided into is relevant with the reaction time of the time of persistence of vision, this display interface and/or shown frame rate (frame rate), in other words, in the present embodiment, decision is divided into the sub-displaying contents of how much quantity with a former displaying contents, needs reaction time, frame rate and/or human retentivity time of eye according to the display interface that shows this sub-displaying contents calculate and draw.
In a preferred embodiment, when display interface shows this sub-displaying contents, mode with the gradation demonstration, should be shown in this display interface by sub-displaying contents, and, show a blank picture showing between the two adjacent sub-displaying contents, in addition, respectively this sub-displaying contents is repeated to be shown in time interval on this display interface less than a schedule time, and in one embodiment, a sub-displaying contents the longlyest is the time of persistence of vision in the time interval that is shown in this display interface next time.The vision that so-called persistence of vision refers to the people still can leave certain object image (being slow disappearance image) in that object is before eyes when disappearing suddenly, generally speaking, and about 1/30 second to 1/4 second of the time of persistence of vision.Although each sub-displaying contents and blank picture interval are shown on this display interface, but identical sub-displaying contents can repeat at least twice in the time of persistence of vision, therefore for the user, because the relation of persistence of vision, what then see still is complete former displaying contents.
Moreover; the method of protection video data of the present invention can be implemented in the program product; and this program product stores up protection video data program promptly; that is; this program product for example is a hard disk; the Storage Media of CD or internal memory etc. or the webserver; when such as computing machine; mobile phone; PDA etc. have the end device of display interface; when this end device is opened classified papers or certainly this webserver is downloaded classified papers and when opening; this end device is carried out this protection video data program by this Storage Media or this webserver; and this protection video data program can be carried out the described step as above-mentioned embodiment; make these classified papers can be in the last complete demonstration of display interface, but gradation and being shown on the display interface at interval blank picture.
Therefore; understood from the foregoing description; method and the interior program product that stores up protection video data program by protection video data of the present invention; can make the user see complete former displaying contents; utilize camera or print screen key person then can only photograph the data of blank picture or a certain sub-displaying contents, and can't obtain the partial data of former displaying contents.
In another embodiment, for sub-displaying contents to cut apart quantity Calculation relevant with algorithm, particularly, suppose that a display interface per second can show 200 frames, then display interface can be at time point T1 display frame 1, at time point T2 display frame 2, by that analogy, to time point T200 display frame 200.And the time that human vision persists is about 1/16 second, and in other words, people's eyes can produce image persistance for the picture that repeated in 1/16 second.Therefore, be made into six equal portions and become six sub-displaying contents according to its pixel average mark but calculate a former displaying contents A, be respectively sub-displaying contents A1, A2 ... A6.Method by protection video data of the present invention demonstrates former displaying contents A on display interface, be described in detail as follows:
When frame 1, show sub-displaying contents A1; When frame 2, show blank picture; When frame 3, show sub-displaying contents A2; When frame 4, show blank picture; When frame 5, show sub-displaying contents A3; When frame 6, show blank picture; When frame 7, show sub-displaying contents A4; When frame 8, show blank picture; When frame 9, show sub-displaying contents A5; When frame 10, show blank picture; When frame 11, show sub-displaying contents A6; When frame 12, show blank picture; Continue to repeat abovementioned steps, up at frame 199 time, show sub-displaying contents A4 and when frame 200, show blank picture, the frame 1 sub-displaying contents A5 that then continues in next second, by that analogy, till closing former displaying contents A.Thus, because the interval between the frame is extremely short, thereby still can read complete former displaying contents A to the user, utilize camera or print screen key person then can only photograph the content of blank picture or a certain sub-displaying contents.
In a specific embodiment, see also Fig. 2 A to 2D, it represents the synoptic diagram of a specific embodiment of the method for protection video data of the present invention.
Fig. 2 A represents a complete former displaying contents, at first, the time that persists according to human vision, the demonstration reaction time and/or the frame rate of display interface, this former displaying contents is divided into each sub-displaying contents A1, A2 and A3 shown in Fig. 2 B to 2D, present embodiment is divided into three sub-displaying contents A1, A2s and A3 for cutting apart foundation with a former displaying contents A with " OK ", and each sub-displaying contents A1, A2 and A3 have the partial data of this former displaying contents A respectively.The sub-displaying contents A1 of cutting apart the first time shown in Fig. 2 B and obtaining, it only has the data of the 1st, 5,11 and 16 row of this former displaying contents A, the sub-displaying contents A2 of cutting apart the second time shown in Fig. 2 C and obtaining, it only has the data of the 4th, 8,10,12,15 and 17 row of this former displaying contents A, cutting apart for the third time and the sub-displaying contents A3 that obtains shown in Fig. 2 D, it only has the data of the 3rd, 7,9,13,14 row of this former displaying contents A.Then, on display interface, be shown as in regular turn, cut apart resulting sub-displaying contents A1, blank picture, the second time shown in Fig. 2 C the first time shown in Fig. 2 B and cut apart resulting sub-displaying contents A2, blank picture, shown in Fig. 2 D, cut apart resulting sub-displaying contents A3, blank picture for the third time, and repeat abovementioned steps.In the present embodiment, only the file layout with text file (txt file) illustrates as an example, in other embodiments, also can utilize word, row or pixel to be cut apart as file layouts such as doc, jpg, html other, and be shown on the display interface with a blank picture interval ground gradation.
In sum; the program product of the method for protection video data of the present invention and interior storage protection video data program; utilize the principle of persistence of vision; former displaying contents is divided into several sub-displaying contents; and this sub-displaying contents and blank picture interval be shown on the display interface, and time interval of repeating of the sub-displaying contents of identical content can not surpass the time of persistence of vision.Moreover, after the electronic installation with this display interface loads this protection video data program and carries out this protection video data program, can carry out safeguard measure to classified papers and steal secret by the shown content of display interface to prevent the person who is ambitious or tenacious of purpose.
Therefore; the program product of method by protection video data of the present invention and interior storage protection video data program; still can see complete former displaying contents to the user from display interface; yet; for utilizing camera shown data person of taking pictures from the display interface; no matter at which time point taking pictures then only can photograph blank picture or partial data, and more can't obtain significant data when former displaying contents is cut apart very triflingly.Moreover, but if consider the technology of camera time exposure, owing between the sub-displaying contents that demonstration is respectively cut apart, be inserted with blank picture, and this blank picture can hide the captured picture that continues, even take a plurality of frames so use the mode of time exposure, also only blank picture can be obtained, and secret can't be successfully stolen.
Therefore, the program product of the method for protection video data of the present invention and interior storage protection video data program can prevent to use Print Screen key or shooting technology and steals by the shown data of screen, is solved the existing disappearance of prior art.
The various embodiments described above are illustrative principle of the present invention and effect only, but not is used to limit the present invention.Any those skilled in the art all can be under spirit of the present invention and category, and the foregoing description is modified and changed.Therefore, the scope of the present invention should be listed as claim.
Claims (18)
1. a method of protecting video data in order to the shown picture of protection display interface, is characterized in that, may further comprise the steps:
One former displaying contents is divided into a plurality of sub-displaying contents, makes this sub-displaying contents respectively have the partial content of this former displaying contents respectively; And
Gradation shows respectively this sub-displaying contents on this display interface, and is showing demonstration one blank picture between the two adjacent inferior sub-displaying contents.
2. the method for protection video data according to claim 1, wherein, respectively this sub-displaying contents is repeated to be shown in time interval on this display interface less than a schedule time.
3. the method for protection video data according to claim 2 is characterized in that, this schedule time is the time of persistence of vision.
4. the method for protection video data according to claim 3 is characterized in that, the time of this persistence of vision is 1/30 second to 1/4 second.
5. the method for protection video data according to claim 1 is characterized in that, the quantity of this sub-displaying contents is relevant to the demonstration reaction time and/or the shown frame rate of this display interface of the time of persistence of vision, this display interface.
6. the method for protection video data according to claim 1 is characterized in that, according to the cut apart quantity of pixel as this sub-displaying contents.
7. the method for protection video data according to claim 6 is characterized in that, the pixel average mark of this former displaying contents is given respectively this sub-displaying contents.
8. the method for protection video data according to claim 1 is characterized in that, this former displaying contents is literal and/or image.
9. the method for protection video data according to claim 8 is characterized in that, according to word or the capable quantity of cutting apart as sub-displaying contents.
10. the program product of storage protection video data program in a kind is characterized in that loading this protection video data program also after the execution when end device, finishes the method for protection video data according to claim 1.
11. program product according to claim 10 is characterized in that, respectively this sub-displaying contents is repeated to be shown in time interval on this display interface less than a schedule time.
12. program product according to claim 11 is characterized in that, this schedule time is the time of persistence of vision.
13. program product according to claim 12 is characterized in that, the time of this persistence of vision is 1/30 second to 1/4 second.
14. program product according to claim 10 is characterized in that, the quantity of this sub-displaying contents is relevant to the demonstration reaction time and/or the shown frame rate of this display interface of the time of persistence of vision, this display interface.
15. program product according to claim 10 is characterized in that, according to the cut apart quantity of pixel as this sub-displaying contents.
16. program product according to claim 15 is characterized in that, the pixel average mark of this former displaying contents is given respectively this sub-displaying contents.
17. program product according to claim 10 is characterized in that, this former displaying contents is literal and/or image.
18. program product according to claim 17 is characterized in that, according to word or the capable quantity of cutting apart as this sub-displaying contents.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102075957A CN102053809A (en) | 2009-10-29 | 2009-10-29 | Method for protecting display data and program product for protecting display data program in memory |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102075957A CN102053809A (en) | 2009-10-29 | 2009-10-29 | Method for protecting display data and program product for protecting display data program in memory |
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| CN102053809A true CN102053809A (en) | 2011-05-11 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104820806A (en) * | 2015-05-26 | 2015-08-05 | 北京邮电大学 | Information reading protection method and device |
| CN105488424A (en) * | 2015-12-01 | 2016-04-13 | 杭州安司源科技有限公司 | Information display protection method and information sending method |
| CN105528555A (en) * | 2015-12-01 | 2016-04-27 | 杭州安司源科技有限公司 | Information display protection method using covering graph and information transmission method |
| CN105657409A (en) * | 2016-01-27 | 2016-06-08 | 京东方科技集团股份有限公司 | Display screen, glasses, display system and play method |
| CN106407827A (en) * | 2016-11-24 | 2017-02-15 | 合肥工业大学 | Frequency difference-based screen secret photography prevention device |
| CN107563232A (en) * | 2017-09-30 | 2018-01-09 | 北京奇虎科技有限公司 | The display methods and device of a kind of user profile |
-
2009
- 2009-10-29 CN CN2009102075957A patent/CN102053809A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104820806A (en) * | 2015-05-26 | 2015-08-05 | 北京邮电大学 | Information reading protection method and device |
| CN105488424A (en) * | 2015-12-01 | 2016-04-13 | 杭州安司源科技有限公司 | Information display protection method and information sending method |
| CN105528555A (en) * | 2015-12-01 | 2016-04-27 | 杭州安司源科技有限公司 | Information display protection method using covering graph and information transmission method |
| CN105657409A (en) * | 2016-01-27 | 2016-06-08 | 京东方科技集团股份有限公司 | Display screen, glasses, display system and play method |
| US10495903B2 (en) | 2016-01-27 | 2019-12-03 | Boe Technology Group Co., Ltd. | Display screen, glasses, display system and playing method |
| CN106407827A (en) * | 2016-11-24 | 2017-02-15 | 合肥工业大学 | Frequency difference-based screen secret photography prevention device |
| CN107563232A (en) * | 2017-09-30 | 2018-01-09 | 北京奇虎科技有限公司 | The display methods and device of a kind of user profile |
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Application publication date: 20110511 |