CN109117303A - Computer shared file emergency backup platform - Google Patents
Computer shared file emergency backup platform Download PDFInfo
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- CN109117303A CN109117303A CN201810174043.XA CN201810174043A CN109117303A CN 109117303 A CN109117303 A CN 109117303A CN 201810174043 A CN201810174043 A CN 201810174043A CN 109117303 A CN109117303 A CN 109117303A
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- 238000001514 detection method Methods 0.000 claims abstract description 7
- 230000010339 dilation Effects 0.000 claims description 6
- 230000003628 erosive effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 230000001815 facial effect Effects 0.000 claims description 4
- 238000005530 etching Methods 0.000 claims description 3
- 238000003709 image segmentation Methods 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1448—Management of the data involved in backup or backup restore
-
- 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
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Quality & Reliability (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The present invention relates to a kind of shared file emergency backup platforms, it include: file type identification equipment, it is arranged on the terminal device using file, for carrying out type detection to the file under current opening state, to determine whether to belong to shared file, and when being determined as shared file, shared file identification signal is issued, otherwise, alternative document identification signal is issued；Image capture device, it is arranged on the terminal device using file, it is connect with file type identification equipment, for when receiving the shared file identification signal, start the image capture to user to obtain simultaneously output file user images, it is also used to when receiving the alternative document identification signal, stops the image capture to user.By means of the invention it is possible to which important shared file is avoided to be maliciously tampered.
Description
Technical field
The present invention relates to computer field more particularly to a kind of shared file emergency backup platforms.
Background technique
Shared document and printer sharing are all the open shared main applications of computer resource.
The foundation step of printer sharing is as follows: step 1: printer is connected to host, opening printer power supply, leads to
" control panel " for crossing host enters " Printers and Faxes " file, and in blank space a mouse click right button, " addition is beaten for selection
Addition printer wizard window is opened in print machine " order.It selects " local printer for being connected to this computer ", and chooses " automatic
Detect and install the printer of plug and play " check box.Step 2: host will will do it the detection of new printer at this time, quickly
It will find the printer connected, the driver CD that printer is attached to is put into CD-ROM drive according to prompt, is installed
After the driver of good printer, will occur the icon of the printer in " Printers and Faxes " file.Step 3:
A mouse click right button in the printer icon newly installed selects " shared " order, opens the properties dialog of printer, switches
It to " shared " tabs, selects " sharing this printer ", and filling needs title to be sharing in " shared name " input frame, it is single
Hitting " determination " button can be completed shared setting.The creation process of shared document and the creation process of printer sharing are similar.
However, shared necessarily bring the relevant issues such as information security, rights management, it is particularly desired to whether understand shared document
It was modified and relevant informations is modified etc. by whom, to formulate corresponding information protection scheme according to these relevant informations.
And lack such technical solution in the prior art.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of shared file emergency backup platforms, are known using customization image
Otherwise, it realizes and the high-precision of the identity of user is verified, and when detecting that shared file is modified by illegal user, stand
The shared file before illegal user modification is backed up and is transmitted in backup document data bank, to effectively maintain shared
The data safety of document.
For this purpose, the present invention has key inventive point at following two:
It (1), immediately will be shared before illegal user modification when detecting that shared file is modified by illegal user
File backup is simultaneously transmitted in backup document data bank, so as to avoid the loss of shared file effective information；
(2) the image block mechanism based on the real-time signal-to-noise ratio grade of image is established, while passing through the specific of three primary colours channel
The region to be identified where target is judged in numerical analysis, to improve the precision of image recognition.
According to an aspect of the present invention, a kind of shared file emergency backup platform is provided, the platform includes:
File type identifies equipment, is arranged on the terminal device using file, for the text under current opening state
Part carries out type detection, to determine whether to belong to shared file, and when being determined as shared file, issues shared file identification letter
Number, otherwise, issue alternative document identification signal；
Image capture device is arranged on the terminal device using file, connect, uses with file type identification equipment
In when receiving the shared file identification signal, image capture of the starting to user is to obtain simultaneously output file user figure
Picture is also used to when receiving the alternative document identification signal, stops the image capture to user；
Dilation erosion equipment is connect with described image capture device, for receiving the file user image, to the text
Part user images execute first expansion post-etching processing processing, to obtain processed user images, and export the processed user
Image；
TF stores equipment, and for the signal-to-noise ratio piecemeal table of comparisons to be stored in advance, the signal-to-noise ratio piecemeal table of comparisons is saved
It take signal-to-noise ratio grade as the corresponding image block of index, wherein in the signal-to-noise ratio piecemeal table of comparisons, signal-to-noise ratio grade is got over
Height, corresponding image block are smaller；
Image block equipment is connect with the dilation erosion equipment, for receiving the processed user images, also with institute
TF storage equipment connection is stated for receiving the signal-to-noise ratio piecemeal table of comparisons, the signal-to-noise ratio of the processed user images is carried out
Detection is to obtain corresponding signal-to-noise ratio grade, based on the corresponding signal-to-noise ratio grade got from the signal-to-noise ratio piecemeal table of comparisons
It is middle to search corresponding image block；
Wherein, described image piecemeal equipment is also used to according to the corresponding image block found to the processed user
Image carries out image segmentation, to obtain the image-region of same size.
Detailed description of the invention
Embodiment of the present invention is described below with reference to attached drawing, in which:
Fig. 1 is to be shown according to a kind of file sharing modes of the shared file emergency backup platform shown in embodiment of the present invention
It is intended to.
Specific embodiment
The embodiment of shared file emergency backup platform of the invention is described in detail below with reference to accompanying drawings.
In order to overcome above-mentioned deficiency, the present invention has built a kind of shared file emergency backup platform, is each illegal visit
Ask that the shared file in period provides emergency backup scheme.
Fig. 1 is to be shown according to a kind of file sharing modes of the shared file emergency backup platform shown in embodiment of the present invention
It is intended to.
The shared file emergency backup platform shown according to an embodiment of the present invention includes:
File type identifies equipment, is arranged on the terminal device using file, for the text under current opening state
Part carries out type detection, to determine whether to belong to shared file, and when being determined as shared file, issues shared file identification letter
Number, otherwise, issue alternative document identification signal.
Then, continue that the specific structure of shared file emergency backup platform of the invention is further detailed.
Can also include: in the shared file emergency backup platform
Image capture device is arranged on the terminal device using file, connect, uses with file type identification equipment
In when receiving the shared file identification signal, image capture of the starting to user is to obtain simultaneously output file user figure
Picture is also used to when receiving the alternative document identification signal, stops the image capture to user.
Can also include: in the shared file emergency backup platform
Dilation erosion equipment is connect with described image capture device, for receiving the file user image, to the text
Part user images execute first expansion post-etching processing processing, to obtain processed user images, and export the processed user
Image；
TF stores equipment, and for the signal-to-noise ratio piecemeal table of comparisons to be stored in advance, the signal-to-noise ratio piecemeal table of comparisons is saved
It take signal-to-noise ratio grade as the corresponding image block of index, wherein in the signal-to-noise ratio piecemeal table of comparisons, signal-to-noise ratio grade is got over
Height, corresponding image block are smaller.
Can also include: in the shared file emergency backup platform
Image block equipment is connect with the dilation erosion equipment, for receiving the processed user images, also with institute
TF storage equipment connection is stated for receiving the signal-to-noise ratio piecemeal table of comparisons, the signal-to-noise ratio of the processed user images is carried out
Detection is to obtain corresponding signal-to-noise ratio grade, based on the corresponding signal-to-noise ratio grade got from the signal-to-noise ratio piecemeal table of comparisons
It is middle to search corresponding image block；
Wherein, described image piecemeal equipment is also used to according to the corresponding image block found to the processed user
Image carries out image segmentation, to obtain the image-region of same size.
Can also include: in the shared file emergency backup platform
Piecemeal processing equipment is connect with described image piecemeal equipment, for executing following place for each image-region
Reason: cyan channel brightness value, magenta channel brightness value, yellow channels brightness value and the black channel of each pixel are obtained
Brightness value calculates cyan channel brightness value, magenta channel brightness value, yellow channels brightness value and the black of each pixel
The overall channel value of all pixels point is added, using the overall channel value as corresponding pixel points to obtain figure by the sum of channel brightness value
As the overall channel value in region；
Piecemeal extract equipment is connect with the piecemeal processing equipment, to receive the overall channel value of each image-region, for
Each image-region is determined when its current overall channel value is greater than the average value of the overall channel value of image-region around it
For region to be identified and export；
Characteristic identificating equipment is connect with the piecemeal extract equipment, for all regions to be identified combinations are obtained to
Identification icon executes the identification based on facial characteristics to the pattern to be identified and operates, and when recognizing legitimate user, issues
Otherwise legitimate user's signal issues illegal subscriber signal；
File backup apparatus is arranged on the terminal device using file, connect with the facial recognition device, is used for
When receiving illegal subscriber signal, to the file backup before the file progress user's operation under current opening state, to obtain
File is backed up in advance, is also used to when receiving legitimate user's signal, and the use carried out to the file under current opening state is stopped
The preoperative file backup in family；
File uploading device is arranged on the terminal device using file, connect with the file backup apparatus, is used for
When receiving the thing backup file, the thing backup file is compressed, to obtain corresponding compress backup file,
And the compress backup file is uploaded in real time in the backup document data bank of distal end.
In the shared file emergency backup platform:
The file uploading device includes file reception unit, compressing file unit and time division duplex communication unit.
And in the shared file emergency backup platform:
The file reception unit is connect with the file backup apparatus, for receiving the thing backup file；
The compressing file unit is connect with the file reception unit, for carrying out file to the thing backup file
Compression, to obtain corresponding compress backup file；
And the time division duplex communication unit is connect with the compressing file unit, is used for the compress backup file
It is uploaded in the backup document data bank of distal end in real time.
In addition, 4G LTE is the standard of a global general-use, including two kinds of network modes FDD and TDD, it is respectively used in pairs
Frequency spectrum and non-paired frequency spectrum.Operator's initially choice between two modes purely for spectrum availability the considerations of.Greatly
Multi-operator will dispose two kinds of networks simultaneously, so as to all frequency spectrum resources for making full use of it to possess.FDD and TDD are in technology
Very little, the main distinction are that using different duplex modes, frequency division duplex (FDD) and time division duplex (TDD) in fact for upper difference
It is two different duplex modes.
FDD is received and transmitted on two symmetrical frequency channels of separation, separated with protection frequency range reception and
Send channel.FDD must use pairs of frequency, carry out differentiating uplink and downlink link by frequency, unidirectional resource is in the time
On be continuous.FDD can make full use of the frequency spectrum of uplink and downlink when supporting symmetrical service, but when supporting non-symmetrical service, frequency
Spectrum utilization rate will substantially reduce.
TDD sends and receivees channel with the time to separate.In the mobile communication system of TDD mode, sending and receiving makes
Use the different time-gap of same frequency carrier wave as the carrying of channel, unidirectional resource is discontinuous, the time in time
Resource is distributed in two directions.Some period sends a signal to mobile station by base station, and the time in addition is by moving
Platform sends a signal to base station, must harmonious ability work well between base station and mobile station.
Using shared file emergency backup platform of the invention, it is difficult to carry out data dimension for shared document in the prior art
The technical issues of shield, by establishing the image block mechanism based on the real-time signal-to-noise ratio grade of image, while passing through three primary colours channel
Specific value analysis, judge the region to be identified where target, it is more crucial to improve the precision of image recognition
It is when detecting that shared file is modified by illegal user, immediately to back up the shared file before illegal user modification
And be transmitted in backup document data bank, so as to avoid the loss of shared file effective information.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (7)
1. a kind of shared file emergency backup platform, the platform include:
File type identifies equipment, is arranged on the terminal device using file, for the file under current opening state into
Row type detection issues shared file identification signal to determine whether to belong to shared file, and when being determined as shared file,
Otherwise, alternative document identification signal is issued.
2. shared file emergency backup platform as described in claim 1, which is characterized in that the platform further include:
Image capture device is arranged on the terminal device using file, connect, is used for file type identification equipment
When receiving the shared file identification signal, start the image capture to user to obtain simultaneously output file user images, also
For stopping the image capture to user when receiving the alternative document identification signal.
3. shared file emergency backup platform as claimed in claim 2, which is characterized in that the platform further include:
Dilation erosion equipment is connect with described image capture device, for receiving the file user image, is used the file
Family image executes first expansion post-etching processing processing, to obtain processed user images, and exports the processed user images；
TF stores equipment, and for the signal-to-noise ratio piecemeal table of comparisons to be stored in advance, the signal-to-noise ratio piecemeal table of comparisons is saved to believe
Making an uproar than grade is the corresponding image block indexed, wherein in the signal-to-noise ratio piecemeal table of comparisons, signal-to-noise ratio higher grade,
Corresponding image block is smaller.
4. shared file emergency backup platform as claimed in claim 3, which is characterized in that the platform further include:
Image block equipment is connect with the dilation erosion equipment, for receiving the processed user images, also with the TF
Storage equipment connection detects the signal-to-noise ratio of the processed user images for receiving the signal-to-noise ratio piecemeal table of comparisons
To obtain corresponding signal-to-noise ratio grade, looked into from the signal-to-noise ratio piecemeal table of comparisons based on the corresponding signal-to-noise ratio grade got
Look for corresponding image block；
Wherein, described image piecemeal equipment is also used to according to the corresponding image block found to the processed user images
Image segmentation is carried out, to obtain the image-region of same size.
5. shared file emergency backup platform as claimed in claim 4, which is characterized in that the platform further include:
Piecemeal processing equipment is connect with described image piecemeal equipment, for executing following processing for each image-region: obtaining
Take cyan channel brightness value, magenta channel brightness value, yellow channels brightness value and the black channel brightness of each pixel
Value, calculates cyan channel brightness value, magenta channel brightness value, yellow channels brightness value and the black channel of each pixel
The overall channel value of all pixels point is added, using the overall channel value as corresponding pixel points to obtain image district by the sum of brightness value
The overall channel value in domain；
Piecemeal extract equipment is connect with the piecemeal processing equipment, to receive the overall channel value of each image-region, for each
A image-region, when its current overall channel value is greater than the average value of the overall channel value of image-region around it, determine it as to
Identification region simultaneously exports；
Characteristic identificating equipment is connect with the piecemeal extract equipment, for all region combinations to be identified are to be identified to obtain
Pattern executes the identification based on facial characteristics to the pattern to be identified and operates, and when recognizing legitimate user, it is legal to issue
Otherwise subscriber signal issues illegal subscriber signal；
File backup apparatus is arranged on the terminal device using file, connect with the facial recognition device, for receiving
When to illegal subscriber signal, file backup before user's operation is carried out to the file under current opening state, to obtain in advance
Backup file is also used to when receiving legitimate user's signal, stops grasping the user that the file under current opening state carries out
File backup before work；
File uploading device is arranged on the terminal device using file, connect with the file backup apparatus, for receiving
When to the thing backup file, the thing backup file is compressed, to obtain corresponding compress backup file, and will
The compress backup file is uploaded in real time in the backup document data bank of distal end.
6. shared file emergency backup platform as claimed in claim 5, it is characterised in that:
The file uploading device includes file reception unit, compressing file unit and time division duplex communication unit.
7. the shared file emergency backup platform as described in claim 5-6 is any, it is characterised in that:
The file reception unit is connect with the file backup apparatus, for receiving the thing backup file；
The compressing file unit is connect with the file reception unit, for carrying out file pressure to the thing backup file
Contracting, to obtain corresponding compress backup file；
And the time division duplex communication unit is connect with the compressing file unit, for the compress backup file is real-time
It is uploaded in the backup document data bank of distal end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810174043.XA CN109117303B (en) | 2018-03-02 | 2018-03-02 | Computer shared file emergency backup platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810174043.XA CN109117303B (en) | 2018-03-02 | 2018-03-02 | Computer shared file emergency backup platform |
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| Publication Number | Publication Date |
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| CN109117303A true CN109117303A (en) | 2019-01-01 |
| CN109117303B CN109117303B (en) | 2019-03-29 |
Family
ID=64821725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810174043.XA Active CN109117303B (en) | 2018-03-02 | 2018-03-02 | Computer shared file emergency backup platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113485855A (en) * | 2021-08-02 | 2021-10-08 | 安徽文香科技有限公司 | Memory sharing method and device, electronic equipment and readable storage medium |
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| CN109117303B (en) | 2019-03-29 |
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Denomination of invention: Computer shared file emergency backup platform Effective date of registration: 20201203 Granted publication date: 20190329 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: Shenzhen Haitianli Electronic Commerce Co.,Ltd. Registration number: Y2020990001406 |
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