CN106774900A - One kind writes interactive system and method - Google Patents
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- CN106774900A CN106774900A CN201611179143.9A CN201611179143A CN106774900A CN 106774900 A CN106774900 A CN 106774900A CN 201611179143 A CN201611179143 A CN 201611179143A CN 106774900 A CN106774900 A CN 106774900A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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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
- G06F21/316—User authentication by observing the pattern of computer usage, e.g. typical user behaviour
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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Abstract
Interactive system and method are write the invention discloses one kind, the system includes：Multiple user terminals, each user terminal includes writing terminal and display terminal, this writes terminal by using capacitive sensing technical limit spacing and tracking handwriting trace, obtain writing track data and interacted with Cloud Server platform by mixed-media network modules mixed-media, track data is obtained from Cloud Server platform, the display terminal is interacted by mixed-media network modules mixed-media with the Cloud Server platform；Cloud Server platform, interacted with each user terminal by mixed-media network modules mixed-media, writing track data for concurrently accessing each user terminal, gather the mark datas such as writing track data and associated user, the time of each terminal device, data to gathering are stored, merged, managed, and carry out data mining, and the request according to each user terminal provides corresponding track data, and the interaction conflict of each user terminal is solved, the present invention is capable of achieving to write interactive service in real time for each user provides.
Description
Technical field
The present invention relates to a kind of interactive system and method, more particularly to one kind writes interactive system and method.
Background technology
In order to solve certain common issue or for different purposes, people are often with regard to certain common interest
Topic carries out discussion, exchange, study.Such as hold a meeting, problem education, project discuss etc..All the time, everybody follows
" say --- listen " this traditional interactive mode, this interactive mode often influences the efficiency linked up.For example when wherein participating in
Person will generally require to move towards blackboard to carry out and write by writing during oneself information of expression.Along with the progress and development of science and technology,
Increasing people proposes new demand for interactive system, it is desirable to be able to break through traditional " say --- listen " mode, allows ginseng
Be more prone to participate in personnel wherein it is possible to by write more directly, more easily illustrate the viewpoint of oneself.It is shared
Interactive system, arises at the historic moment under this background.Existing solution mainly has：
(1) recording and broadcasting system is educated
The video shot with video-corder, audio, the picture signal of electronic equipment (comprising computer, video presenter etc.) carry out integrating synchronous record
System, generates standardized files in stream media, for external live, storage, later stage compilation, program request.Recording and broadcasting system and school are taught
Integrated, and video camera is installed in the classroom of school, and Classic Course and momentous conference etc. are gathered by the way that video camera is multi-faceted
To in hard disc of computer, student or teacher can watch video file to signal recording from different camera angles.Meanwhile,
Arrangement upload can be carried out to online information source, reach the purpose for making full use of Network Learning Resource.
But the problem that the program is mainly solved is that problem or meeting field data are recorded and transmitted, its center of gravity does not exist
Interaction, will such as realize real-time, interactive, then need the intelligent video analysis algorithm for increasing complexity to be processed.Additionally, this scheme is superfluous
Remaining information content is larger, is not suitable for platform-type management, therefore is deposited with a specific application solution
For example, education recorded broadcast, recorded broadcast of session.
(2) with no paper conference system
With no paper conference system be using the with no paper meeting interactive system based on mobile Internet, modern communications technology,
Audiotechnica, video technique, software engineering, the electron exchange for passing through file realize the with no paper of meeting.It is characterized in that：File is passed
Defeated networking, file display electronization, Document Editing is intelligent, file input and output controllableization.Core Feature is mainly realization
Meeting signature, file distributing, files passe, file synchronization such as demonstrate, vote at the function.Popular use Android system is put down
The with no paper meeting interactive system of platform operation.
However, what the program mainly solved is files electronic, file annotation, file distributing, files passe and ballot
The common functions of meeting such as voting, mouse-keyboard or handwriting input can only be relied on the aspects such as Free Writing discussion are solved, and deposited
It is bad in writing experience, the limitation such as easy visual fatigue, and also the de- light of system is relatively costly, thus it is uncomfortable on the fields such as education
Close and promote.
(3) whiteboard shared system
With continuing to develop for internet, people are also increasing to the demand of real-time exchange, desktop conferencing, remote control
Also arisen at the historic moment Deng application, software market is also flooded with for the software in terms of these.This kind of software is broadly divided into two classes, and one is
The media of communication of the currently a popular pure words type in BBS bulletin boards or chatroom, another kind is referred to as electronic whiteboard exchange work
Tool.On the basis of chat room system is completed, it has also designed and Implemented the function of exchange of drawing to shared electronic whiteboard, similar to
Many people use same blackboard, allow line to submit rheology and obtain visual pattern.Entered by electronic whiteboard in the user of network diverse location
During row exchange, when all users open whiteboarding software, what the figure that people draws on oneself blank can be instant shows
Show on the blank of remaining user.But this has to rely on mouse-keyboard input equipment, have larger with traditional writing experience
Gap.
In sum, otherwise Current electronic information interaction system high cost, or cannot realize efficiently writing interaction,
For prior art or there is high cost or rely on liquid crystal, projection display system easily to cause visual fatigue, or because without model calligraphy
Write and cause thought viewpoint to express the problems such as not smooth, the interaction technique of writing that the present invention puts forth effort to solve traditional writing style is asked
Topic, the software and hardware for building terminal and platform writes interactive system.
The content of the invention
To overcome the shortcomings of that above-mentioned prior art is present, the purpose of the present invention is to provide one kind to write interactive system and side
Method, it passes through to set up the digital vector write interaction platform, each terminal device is gathered on this basis based on Cloud Server
Data are stored, analyzed, coordinated by the mark data such as writing track data and associated user, time, are finally realized
Interactive service is write for each user provides in real time.
It is that, up to above and other purpose, the present invention proposes that one kind writes interactive system, including：
Multiple user terminals, each user terminal includes writing terminal and display terminal, and this writes terminal by using capacitive sensing
Technical limit spacing simultaneously tracks handwriting trace, obtains writing track data and is interacted with Cloud Server platform by mixed-media network modules mixed-media, from cloud
Server platform obtains track data, and the display terminal is interacted by mixed-media network modules mixed-media with the Cloud Server platform；
Cloud Server platform, is interacted by mixed-media network modules mixed-media with each user terminal, and rail is write for concurrently access each user terminal
Mark data, gather the mark datas such as writing track data and associated user, the time of each terminal device, to the number for gathering
According to being stored, merged, managed, and data mining is carried out, the request according to each user terminal provides corresponding track data, and solves
The interaction conflict of each user terminal.
Further, the terminal of writing realizes handwriting trace numeral arrow using capacitive sensing technological incorporation tradition lettering pen
Quantify.
Further, described to write terminal including electrode panel system and write insulating barrier, the insulating barrier of writing sets
It is placed on the electrode panel system, the electrode panel system constructs capacitor array by the upper and lower surface in an insulated substrate
Forming position electric capacity.
Further, the Cloud Server platform realizes that high concurrent mass data is accessed based on single thread event-based model
Management.
Further, the Cloud Server platform realizes mass data storage with place based on Hadoop distributed treatment frameworks
Reason.
Further, the intelligent terminal information that user is used is preserved in the Cloud Server platform and user terminal record,
When user terminal is operated, the Cloud Server platform can record the corresponding terminal device information for being operated, and by those
Information and operation send jointly to remaining user terminal, and user terminal by decompressing data, believe by the counterpart terminal equipment for being operated
Breath, by corresponding user profile in terminal device information lookup local data base, to obtain which participation current operation belongs to
User terminal.
Further, the Cloud Server platform processes the interaction conflict of each user terminal using centralized processing strategy.
Further, the centralized processing strategy is：Used as coordinator, process is to enter at selection one participating user end
Critical zone, solicited message is sent to coordinator, and treatment is responsible for by coordinator, and in interaction is coordinated, only offer one is critical
Resource, each participating user end need to be gone to use critical resource by critical zone, and a request team is set up at Cloud Server platform end
Row, each request is queued up using the user of critical resource according to timestamp.
To reach above-mentioned purpose, the present invention also provides one kind and writes exchange method, comprises the following steps：
Step one, Cloud Server platform high concurrent accesses each user terminal, gather each user terminal writing track data and with
The mark data such as user, the time of correlation, the data to gathering are stored, merged, managed, and carry out data mining, structure
Build based on content, user, terminal, space-time multi-dimensional relation database；
Operation is initiated in step 2, the interaction of writing that the Cloud Server platform receives user terminal, obtains writing for user terminal
Track data；
Step 3, when clashing, Cloud Server platform processes each participating user end using centralized processing strategy
Interaction conflict.
Further, in step 3, the centralized processing strategy is as follows：A participating user end is selected first as association
Tune person, process sends solicited message to enter critical zone to coordinator, and treatment is responsible for by coordinator, is coordinating interaction
In, a critical resource is only provided, each participating user end need to be gone to use critical resource by critical zone, in Cloud Server platform
A request queue is set up at end, and each request is queued up using the user of critical resource according to timestamp.
Compared with prior art, one kind of the present invention writes interactive system and method, by setting up the book based on Cloud Server
Interaction platform is write, virtual cooperation communication space is created to Client-initiated common content, each end is gathered by Cloud Server platform
The mark data such as the digital vector writing track data of end equipment and associated user, time, data are stored,
Analysis, coordinate, be embodied as each user terminal you are provided writing my finding i.e., I see i.e. you write write interactive service in real time.
Brief description of the drawings
Fig. 1 is a kind of system construction drawing for writing interactive system of the present invention；
Fig. 2 is to write the system architecture diagram of interactive system in the specific embodiment of the invention；
Fig. 3 be the specific embodiment of the invention in write terminal schematic diagram；
Fig. 4 be the specific embodiment of the invention in write terminal capacitor array schematic diagram；
Fig. 5 is the schematic diagram of Node.js event loop mechanism in the specific embodiment of the invention；
Fig. 6 is flow chart the step of one kind of the present invention writes exchange method.
Specific embodiment
Below by way of specific instantiation and embodiments of the present invention are described with reference to the drawings, those skilled in the art can
Further advantage of the invention and effect are understood by content disclosed in the present specification easily.The present invention also can be different by other
Instantiation implemented or applied, the various details in this specification also can based on different viewpoints with application, without departing substantially from
Various modifications and change are carried out under spirit of the invention.
Fig. 1 is a kind of system architecture diagram for writing interactive system of the present invention.As shown in figure 1, one kind of the present invention writes interaction
System, including：Multiple user terminals 10 and Cloud Server platform 20
Wherein, user terminal 10 includes writing terminal and display terminal, and this is write terminal and is obtained by using capacitive sensing technology
Handwriting trace is taken and tracked, track data is obtained and is interacted with Cloud Server platform 20 by mixed-media network modules mixed-media, it is flat from Cloud Server
Platform obtains track data, and display terminal is interacted by mixed-media network modules mixed-media with Cloud Server platform 30；
Cloud Server platform 20, is interacted by mixed-media network modules mixed-media with each user terminal 10, for concurrently accessing each user terminal 10
Writing track data, gathers the mark datas such as writing track data and associated user, the time of each terminal device, to adopting
The data of collection are stored, merged, managed, and carry out data mining, and the request according to each user terminal 10 provides corresponding track number
According to the interaction conflict of each user terminal of solution.
In order to realize writing interaction, it is necessary to solving user is writing interaction time conflict that may be present and space punching
Prominent problem.So-called time conflict, exactly writes interactive system, it is understood that there may be multi-user synchronization pathfinder prospectus in multi-user
Write；And Steric clashes then refer to, in multi-user writes interactive system, it is understood that there may be multi-user with content to carrying out the behaviour that repels each other
Make, such as, party A-subscriber wants to delete one section of line, and party B-subscriber then wants to draw a line in same place.In order to solve the problem, the present invention
Interaction platform system is divided into sensing layer, Internet and process layer is applied, its framework is as shown in Figure 2.
Wherein, sensing layer is user terminal 10, in the specific embodiment of the invention, in order to pass on writing style, sensing layer
Handwriting trace digital numerical is realized using capacitive sensing technological incorporation tradition lettering pen.Because the nib for commonly using pen is used mostly
Carbonization stainless steel, is conductor, can be used as capacitance electrode, and paper or other writing materials are good insulating materials, can conduct
The dielectric material of electric capacity, constructs electrod-array, and pen-paper-electrod-array three constitutes position electric capacity, by test position electric capacity
Real time position is the track record for being capable of achieving handwriting trace, as shown in figure 3, specifically, the sensing layer writes terminal electrode
Panel system, write insulating barrier 20.Wherein, electrode panel system based on parallel plate capacitor principle construction location electric capacity realize, its
Electrod-array forming position electric capacity is constructed by the upper and lower surface in an insulated substrate, specifically, above insulated substrate 3
Laying transverse electrode 4, electrode material can use metallic conductor or other semi-conducting materials, and longitudinal direction is laid below insulated substrate 3
Electrode 5, electrode material can use metallic conductor or other semi-conducting materials, in the specific embodiment of the invention, vertically and horizontally electrode
Design criteria is：It is parallel to each other between transverse electrode, the spacing between each transverse electrode is equal, is mutually put down between longitudinal electrode
OK, the electrode between each longitudinal direction is equal and spacing of between transverse electrode is equal, as shown in Figure 4.It is of course also possible in insulation
Transverse electrode is laid above substrate, longitudinal electrode is laid below insulated substrate, the present invention is not limited, present invention profit
The structure is used, the intersection between transverse electrode and longitudinal electrode forms node capacitance, when nib is in infall cooperation
When nearby, because nib 30 can also form electric capacity with transverse and longitudinal electrode, can so change the size of equivalent node electric capacity, determine position
Realized by detecting the position of change equivalent node electric capacity the position of electric capacity.
For Internet, i.e. mixed-media network modules mixed-media, the present invention mainly solves user by WiFi network and GPRS mobile networks
End and the connection of Cloud Server platform, and agreement is write in establishment dialogue on the basis of ICP/IP protocol.
Treatment application layer, i.e. Cloud Server platform 20, it is accessed to each user terminal high concurrent, gathers the book of each terminal device
The mark data such as track data and associated user, time is write, the data to gathering are stored, merged, managed, and are gone forward side by side
Row data mining, solves the interaction conflict of each user terminal.Specifically,
(1) Cloud Server platform realizes high concurrent mass data access-in management based on single thread event-based model
In the specific embodiment of the invention, Cloud Server platform solves the high concurrent of mass data using Node.js platforms
Input problem, platform uses single thread event-based model, all I/O to use Asynchronous Request mode, it is to avoid frequently context
Switching, its working mechanism's schematic diagram is as shown in figure 5, when server receives request, all of magnetic disc i/o, network, communication, data
Inquiry is all asked in the way of non-obstruction, and request is completed, and it is put back into event loop treatment queue, when arrival queue beginning, this
Individual result is returned to user.This model extremely efficiently and scalability is strong because server receive always request without
Wait any read-write operation (this is also referred to as non-block type I/O or event-driven I/O).So processing the advantage for producing is
CPU and it is interior there is the same time and focus on something, while allowing time-consuming I/O operation executed in parallel as far as possible.Node.js leads to
Expeditiously maintenance event round-robin queue, come the event-driven mechanism realized, does not have the resource occupation of multithreading to cross internal single-threaded
Switch with context, it means that in face of large-scale access request, Node.js is to increase request in event queue, etc.
The response of system to be operated, thus any multithreading expense is not had, can largely improve the stalwartness of server application
Property, prevent malicious attack.
(2) Cloud Server platform realizes mass data storage with treatment based on Hadoop distributed treatment frameworks
Hadoop is a software frame that distributed treatment can be carried out to mass data, the design of core in its framework
It is HDFS (Hadoop Distributed File System) and MapReduce, the former provides the storage of mass data, the latter
There is provided the calculating to data, Hadoop flow chart of data processing is as shown in Figure 6.
File in HDFS storage Hadoop clusters on all memory nodes, comprising a NameNode and largely
DataNode, NameNode management data block map, process the read-write requests of client, configure replication policy and manage HDFS's
Name space.DataNode is responsible for the read-write operation for storing the client data block block for sending, performing data block.
Secondary NameNode are the cold standbies of NameNode.Because the data processing of Hadoop clusters is prior art, herein
It will not go into details.
(3) Cloud Server platform builds handwriting trace, content, user, terminal, the multi-dimensional database of space-time
The information to be expressed of interaction content i.e. author is write, by the restriction of the factor such as timeliness, theme, subjectivity, objective, colony,
Ignore key factor therein in transmit process, be likely to cause the transmission of information to go wrong, such as divulge a secret, concept mould
Paste.For above actual conditions, present system is based on content, user, terminal, the multi-dimensional relation data of space-time by setting up
Storehouse, with the analysis method such as topology, density, distance, stacked, network, excavates the connection between them, adjacent associates with symbiosis etc.
Rule, ensures that written contents in real time, effectively, are precisely transmitted by means such as encryption, authority, authentications.
(4) interaction is write based on ID and central controlled multi-user collaborative
Realize that multi-user collaborative writes interaction and initiates operation and solve what multi-user concurrent operation caused, it is necessary to perceive user
Collision problem.Cloud Server platform of the present invention is adopted ID and solves user's perception problems, is solved by the method for focusing on
Concurrent operating conflict.ID principle, the intelligent terminal that user is used is preserved in Cloud Server platform and user terminal record
Information, in operation, Cloud Server platform can record the corresponding terminal device information that this is operated to user, and by this
A little information and operation send jointly to remaining user, and user terminal by decompressing data, believe by the counterpart terminal equipment for being operated
Breath, by corresponding user profile in terminal device information lookup local data base, just can learn that operation belongs to that and participates in using
Family, and as needed, select color or cursor information to be marked in the case where condition is permitted.To solve concurrent operations punching
Prominent, the present invention is using centralized processing strategy, its basic thought：A participating user is selected as coordinator, if process
To enter critical zone, it sends solicited message, treatment is responsible for by coordinator to coordinator, in interaction is coordinated, is presented to
The interface only one of which of user, equivalent to critical resource, each participating user needs to go to use critical resource by critical zone,
Server end sets up a request queue, and each request can compare timestamp using the user of user interface, short excellent of timestamp
First it is queued up, and can preferentially uses critical resource.
Fig. 6 is flow chart the step of one kind of the present invention writes exchange method.As shown in fig. 6, one kind of the present invention writes interaction
Method, comprises the following steps：
Step 601, Cloud Server platform high concurrent accesses each user terminal, gather each user terminal writing track data and with
The mark data such as user, the time of correlation, the data to gathering are stored, merged, managed, and carry out data mining, structure
Build based on content, user, terminal, space-time multi-dimensional relation database.In the specific embodiment of the invention, Cloud Server platform base
High concurrent mass data access-in management is realized in single thread event-based model, and is realized based on Hadoop distributed treatments framework
Mass data storage and treatment.
Operation is initiated in step 602, the interaction of writing that Cloud Server platform receives user terminal, obtains the handwriting trace of user terminal
Data, and send the display terminal or display caching of other participating users to.Further, the present invention adopts ID solution
The perception problems of user terminal, i.e., preserve the intelligent terminal information that user is used, user in head server and user terminal record
In operation, Cloud Server platform can record the corresponding terminal device information that this is operated, and by these information and
Operation send jointly to remaining user, user by decompressing data, the counterpart terminal facility information for being operated, by terminal
Facility information searches corresponding user profile in local data base, just can learn that operation belongs to that participating user, and according to need
Will, select color or cursor information to be marked in the case where condition is permitted.
Step 603, when clashing, Cloud Server platform processes each participating user end using centralized processing strategy
Interaction conflict.Specifically, first select a participating user end as coordinator, process to enter critical zone, then to coordination
Person sends solicited message, and treatment is responsible for by coordinator；In interaction is coordinated, the interface only one of which of user, phase are presented to
When in critical resource, each user terminal for participating in needs to go to use critical resource by critical zone, is built at Cloud Server platform end
A request queue is stood, each request can compare timestamp using the user of user interface, timestamp is short to be preferentially queued up,
And preferentially use critical resource.
In sum, one kind of the present invention writes interactive system and method, and interaction is write based on Cloud Server by setting up
Platform, virtual cooperation communication space is created to Client-initiated common content, and each terminal device is gathered by Cloud Server platform
Digital vector writing track data and the mark data such as associated user, time, data are stored, are analyzed,
Coordinate, be embodied as each user terminal you are provided writing my finding i.e., I see i.e. you write write interactive service in real time.
Any those skilled in the art can repair under without prejudice to spirit and scope of the invention to above-described embodiment
Decorations and change.Therefore, the scope of the present invention, should be as listed by claims.
Claims (10)
1. one kind writes interactive system, including：
Multiple user terminals, each user terminal includes writing terminal and display terminal, and this writes terminal by using capacitive sensing technology
Handwriting trace is obtained and tracked, writing track data is obtained and is interacted with Cloud Server platform by mixed-media network modules mixed-media, from cloud service
Device platform obtains track data, and the display terminal is interacted by mixed-media network modules mixed-media with the Cloud Server platform；
Cloud Server platform, is interacted by mixed-media network modules mixed-media with each user terminal, the handwriting trace number for concurrently accessing each user terminal
According to, the mark datas such as writing track data and associated user, the time of each terminal device are gathered, the data to gathering are entered
Row storage, fusion, management, and data mining is carried out, the request according to each user terminal provides corresponding track data, and solves each use
The interaction conflict at family end.
2. one kind as claimed in claim 1 writes interactive system, it is characterised in that：The terminal of writing is using capacitive sensing skill
The traditional lettering pen of art fusion realizes handwriting trace digital vector.
3. one kind as claimed in claim 2 writes interactive system, it is characterised in that：The terminal of writing includes electrode panel
Insulating barrier is united and writes, the insulating barrier of writing is arranged on the electrode panel system, and the electrode panel system passes through
Capacitor array forming position electric capacity is constructed in the upper and lower surface of an insulated substrate.
4. one kind as claimed in claim 2 writes interactive system, it is characterised in that：The Cloud Server platform is based on single thread
Event-based model realizes high concurrent mass data access-in management.
5. one kind as claimed in claim 2 writes interactive system, it is characterised in that：The Cloud Server platform is based on Hadoop
Distributed treatment framework realizes mass data storage with treatment.
6. one kind as claimed in claim 2 writes interactive system, it is characterised in that：In the Cloud Server platform and user terminal
Record preserves the intelligent terminal information that user is used, and when user terminal is operated, the Cloud Server platform can be recorded to be carried out
The corresponding terminal device information of operation, and those information and operation are sent jointly into remaining user terminal, user terminal passes through
Decompression data, the counterpart terminal facility information for being operated, by corresponding use in terminal device information lookup local data base
Family information, to obtain which participating user end current operation belongs to.
7. one kind as claimed in claim 2 writes interactive system, it is characterised in that：The Cloud Server platform is using centralization
The interaction conflict for the treatment of strategy each user terminal for the treatment of.
8. one kind as claimed in claim 7 writes interactive system, it is characterised in that the centralized processing strategy is：Selection one
Used as coordinator, process sends solicited message to enter critical zone to coordinator, is responsible for by coordinator at individual participating user end
Reason, in interaction is coordinated, only provides a critical resource, and each participating user end need to be gone to use critical money by critical zone
Source, a request queue is set up at Cloud Server platform end, and each request is entered using the user of critical resource according to timestamp
Queue.
9. one kind writes exchange method, comprises the following steps：
Step one, Cloud Server platform high concurrent accesses each user terminal, the therewith writing track data of each user terminal of collection and phase
The mark datas such as user, the time of pass, the data to gathering are stored, merged, managed, and carry out data mining, build base
In content, user, terminal, space-time multi-dimensional relation database；
Operation is initiated in step 2, the interaction of writing that the Cloud Server platform receives user terminal, obtains the handwriting trace of user terminal
Data, and it is sent to other user terminals；
Step 3, when clashing, Cloud Server platform processes the interaction at each participating user end using centralized processing strategy
Conflict.
10. one kind as claimed in claim 9 writes exchange method, it is characterised in that in step 3, the centralized processing plan
It is slightly as follows：A participating user end is selected first as coordinator, and process sends request letter to enter critical zone to coordinator
Breath, treatment is responsible for by coordinator, in interaction is coordinated, only provides a critical resource, and each participating user end need to pass through
Critical zone is gone to use critical resource, and a request queue is set up at Cloud Server platform end, and each request uses critical resource
User is queued up according to timestamp.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109246386A (en) * | 2018-11-22 | 2019-01-18 | 湖北安心智能科技有限公司 | A kind of with no paper digital conference system and control method |
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| US20130207939A1 (en) * | 2012-02-15 | 2013-08-15 | Viktor Kremin | Stylus to host synchronization using a magnetic field |
| CN103544194A (en) * | 2012-07-09 | 2014-01-29 | 株式会社东芝 | Information processing apparatus and handwriting retrieve method |
| CN103631519A (en) * | 2012-08-27 | 2014-03-12 | 三星电子株式会社 | Method and apparatus for providing user interface |
| CN204856445U (en) * | 2015-07-13 | 2015-12-09 | 深圳市鸿合创新信息技术有限责任公司 | Capacitanc touch blank |
| CN105426148A (en) * | 2015-11-11 | 2016-03-23 | 江苏中威科技软件系统有限公司 | Multi-terminal-screen synchronization method based on vectorgraph |
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| CN109246386A (en) * | 2018-11-22 | 2019-01-18 | 湖北安心智能科技有限公司 | A kind of with no paper digital conference system and control method |
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