CN104731489B - A kind of method for secret protection applied suitable for roller blind - Google Patents
A kind of method for secret protection applied suitable for roller blind Download PDFInfo
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- CN104731489B CN104731489B CN201510157900.1A CN201510157900A CN104731489B CN 104731489 B CN104731489 B CN 104731489B CN 201510157900 A CN201510157900 A CN 201510157900A CN 104731489 B CN104731489 B CN 104731489B
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Abstract
The invention discloses a kind of method for secret protection applied suitable for roller blind, comprise the following steps：S1：Judge whether apply is to allow the application of active roller blind, if it is, directly active roller blind, if it is not, then jumping to step S2；S2：Analyze information transmitter and the contact data of passenger inside the vehicle and user's contact net, calculated relationship matrix；S3：Community division is carried out by relational matrix value；S4：The community of passenger inside the vehicle and information transmitter is detected, the authority that the community is set is judged, otherwise roller blind refuses roller blind to Vehicular screen if authority is judged as very.The present invention judges the social relationships of passenger inside the vehicle and sender of the message with respect to driver using random walk method and community partitioning technology; judge information transmitter and community where passenger inside the vehicle; only just roller blind is carried out in the case where passenger and sender of the message are in close relations to the application message on driver's mobile phone to show, the privacy of driver is greatly protected while traffic safety is improved.
Description
Technical field
The present invention relates to a kind of method for secret protection, more particularly to a kind of secret protection side applied suitable for roller blind
Method.
Background technology
With the continuous improvement and the fast development of auto manufacturing of people's living standard, possess unit, the family of automobile
Or it is personal more and more, the quantity and frequency for occurring traffic accident are also growing day by day, and traffic safety is more and more by people
Concern.In order to improve traffic safety, in addition to the safety means of automobile in itself, the driving habit of driver is also critically important.
Wherein, driver operated or read using mobile terminal on the run application message (wechat message, Twitter message,
Short message etc.) can have a strong impact on driving safety, many local traffic safety managements offices also to driving when make a phone call to take it is corresponding
Punishment measure.But driver inevitably needs to obtain information with mobile terminal in driving procedure, at present on the market
Occur in that many vehicle-mounted interacted systems support the interconnection and mapping of Vehicular screen and mobile phone screen, it is possible to achieve bluetooth telephone, hand
The functions such as machine screen map.However, the mobile phone screen mapping function of existing vehicle-mounted interacted system can only realize mobile phone screen to car
The mapping of screen is carried, once oneself mobile phone is connected by driver with onboard system, all applications received on driver's mobile phone
Message is shown in Vehicular screen in which " can cover all at one glance ", even if there is some application messages to belong to the privacy of driver, inconvenience
Seen by passenger on car.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of secret protection side applied suitable for roller blind
Method, the automatic community divided on application message sender and car between passenger, between analysis identification passenger and sender of the message
Relation, only just carries out roller blind in the case where passenger and sender of the message are in close relations to the application message on driver's mobile phone
It has been shown that, breaks through the mode of traditional vehicle-mounted interacted system " anencephaly " roller blind, greatly protects and drives while traffic safety is improved
The privacy for the person of sailing.
The purpose of the present invention is achieved through the following technical solutions：A kind of secret protection side applied suitable for roller blind
Method, comprises the following steps：
S1：Whether when needing the application roller blind on driver's mobile terminal to Vehicular screen, it is permission to judge the application
The application of active roller blind, if it is, directly active roller blind, if it is not, then jumping to step S2；
S2：Information transmitter and the contact data of passenger inside the vehicle and user's contact net, calculate user's connection in analysis application
Relational matrix in system's net；
S3：Community division is carried out by relational matrix value；
S4：Divide after community, the community of detection passenger inside the vehicle and information transmitter judges the authority that the community is set,
Otherwise roller blind refuses roller blind to Vehicular screen if authority is judged as very.
The step of the step of described step S2 includes an analysis contact data and analysis user's contact net：
The step of analyzing contact data includes following sub-step：
S211：The user data collected is initialized；
S212：The contact parameter a between user is determined by calculating user's communication informationij, the contact parameter can spend
Measure the contacts network of customer-centric；
Specifically, contact parameterWherein, aij
Represent the contact parameter between user i and user j, alpha+beta=1, (x1+x2) represent between user i and user j information sum, x1
Represent x1'+x1", x1' represent the Information Number that user i is sent, x1" represent the Information Number that user j is sent；x2Represent x'2+x2", x'2
Represent the Information Number of user i receptions, x2" represent the Information Number that user j is received；
The step of analyzing user's contact net includes following sub-step：
S221：In user's contact net, each user is by a node on behalf, according to the collated contact parameter calculated
aijIf it is the weights on side in network, finally obtains a non-directed graph of having the right；
S222：User contact Netcom is crossed matrix and stored in the form of generalized list, is set to matrix A, aijFor its inner element；
S223：It is theoretical according to the random walk based on Markov chain, entirely joined by each user of the matrix computations
It is the position in network, and the Relation Parameters r between other contact personsij；
Specifically, Relation ParametersWherein, rijRepresent user i and user j Relation Parameters, P
For the transfer matrix obtained according to Markov chain and relational matrix, t is its step-length, and d (k) is node k length, and R is it
Corresponding relational matrix, community present in user's contact net is marked off according to relational matrix R, and relational matrix value is more big, illustrates
Relation between the two is closer, corresponding higher with the probability in a community, otherwise on the contrary.
Described user's communication information includes air time, the duration of call, short message time, short message quantity.
After different community are marked off, in addition to a user is the step of be finely adjusted and name to community.
The method for secret protection applied suitable for roller blind, in addition to one the step of judge cohesion, is judging that community sets
The authority put is very to judge the cohesion between information transmitter and passenger inside the vehicle afterwards, by the cohesion and cohesion threshold value phase
Than if higher than roller blind if cohesion threshold value, otherwise refusing roller blind.
The beneficial effects of the invention are as follows：Judge that passenger inside the vehicle and application disappear using random walk method and community partitioning technology
Social relationships of the sender with respect to driver are ceased, the automatic community divided on application message sender and car between passenger judges letter
Cease sender and community where passenger inside the vehicle, the relation between analysis identification passenger and sender of the message, only in passenger with disappearing
Just roller blind is carried out in the case that breath sender is in close relations to the application message on driver's mobile phone to show, breaks through tradition vehicle-mounted mutually
The mode of contact system " anencephaly " roller blind, greatly protects the privacy of driver while traffic safety is improved.
Brief description of the drawings
Fig. 1 is the flow chart of method for secret protection of the present invention.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
It is as described below.
As shown in figure 1, a kind of method for secret protection applied suitable for roller blind, comprises the following steps：
S1：Whether when needing the application roller blind on driver's mobile terminal to Vehicular screen, it is permission to judge the application
The application of active roller blind, if it is, directly active roller blind, if it is not, then jumping to step S2；
S2：Information transmitter and the contact data of passenger inside the vehicle and user's contact net, calculate user's connection in analysis application
Relational matrix in system's net；
S3：Community division is carried out by relational matrix value；
S4：Divide after community, the community of detection passenger inside the vehicle and information transmitter judges the authority that the community is set,
Otherwise roller blind refuses roller blind to Vehicular screen if authority is judged as very.
The step of the step of described step S2 includes an analysis contact data and analysis user's contact net：
The step of analyzing contact data includes following sub-step：
S211：The user data collected is initialized；
S212：The contact parameter a between user is determined by calculating user's communication informationij, the contact parameter can spend
Measure the contacts network of customer-centric；Wherein, user's communication information include the air time, it is the duration of call, the short message time, short
Believe quantity etc..
Specifically, contact parameterWherein, aij
Represent the contact parameter between user i and user j, alpha+beta=1, (x1+x2) represent between user i and user j information sum, x1
Represent x1'+x1", x1' represent the Information Number that user i is sent, x1" represent the Information Number that user j is sent；x2Represent x'2+x2", x'2
Represent the Information Number of user i receptions, x2" represent the Information Number that user j is received；This additions of alpha beta are general equal to 1
It is the weight of the front and rear parameter accounting of regulation.
The step of analyzing user's contact net includes following sub-step：
S221：In user's contact net, each user is by a node on behalf, according to the collated contact parameter calculated
aijIf it is the weights on side in network, finally obtains a non-directed graph of having the right；
S222：User contact Netcom is crossed matrix and stored in the form of generalized list, is set to matrix A, aijFor its inner element；
S223：It is theoretical according to the random walk based on Markov chain, entirely joined by each user of the matrix computations
It is the position in network, and the Relation Parameters r between other contact personsij；
Specifically, Relation ParametersWherein, rijRepresent user i and user j Relation Parameters, P
For the transfer matrix obtained according to Markov chain and relational matrix, t is its step-length, and d (k) is node k length, and R is it
Corresponding relational matrix.In secret protection, different community has different exchange of information, also there is different privacies.Root
Community, such as relatives, colleague, classmate present in user's contact net are marked off according to relational matrix R.Relational matrix value is more big, says
Bright relation between the two is closer, corresponding higher with the probability in a community, otherwise on the contrary.Judging what community was set
Authority is very to judge the cohesion between information transmitter and passenger inside the vehicle afterwards, by the cohesion compared with cohesion threshold value, if
Higher than cohesion threshold value then roller blind, otherwise refuse roller blind.
After different community are marked off, in addition to a user is the step of be finely adjusted and name to community.
Preferably, the content for the message that driver's mobile terminal is received can also be parsed, according to disappearing for receiving automatically
Whether the community comprehensive descision of breath content and passenger inside the vehicle show the message roller blind in Vehicular screen.
Described above is only the preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form, is not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and environment, and can be at this
In the text contemplated scope, it is modified by the technology or knowledge of above-mentioned teaching or association area.And those skilled in the art are entered
Capable change and change does not depart from the spirit and scope of the present invention, then all should appended claims of the present invention protection domain
It is interior.
Claims (4)
1. a kind of method for secret protection applied suitable for roller blind, it is characterised in that comprise the following steps：
S1：Whether when needing the application roller blind on driver's mobile terminal to Vehicular screen, it is to allow actively to judge the application
The application of roller blind, if it is, directly active roller blind, if it is not, then jumping to step S2；
S2：Information transmitter and the contact data of passenger inside the vehicle and user's contact net, calculate user's contact net in analysis application
In relational matrix；
S3：Community division is carried out by relational matrix value；
S4：Divide after community, the community of detection passenger inside the vehicle and information transmitter judges the authority that the community is set, if power
Limit is judged as that very then roller blind, to Vehicular screen, otherwise refuses roller blind；
The step of the step of described step S2 includes an analysis contact data and analysis user's contact net：
The step of analyzing contact data includes following sub-step：
S211：The user data collected is initialized；
S212：The contact parameter a between user is determined by calculating user's communication informationij, the contact parameter can measure with
The contacts network of user-center；
Specifically, contact parameterWherein, aijRepresent and use
Contact parameter between family i and user j, alpha+beta=1, (x1+x2) represent between user i and user j information sum, x1Represent
x1'+x″1, x'1Represent the Information Number that user i is sent, x "1Represent the Information Number that user j is sent；x2Represent x'2+x″2, x'2Represent
The Information Number that user i is received, x "2Represent the Information Number of user j receptions；
The step of analyzing user's contact net includes following sub-step：
S221：In user's contact net, each user is by a node on behalf, according to the collated contact parameter a calculatedij,
If it is the weights on side in network, a non-directed graph of having the right is finally obtained；
S222：User contact Netcom is crossed matrix and stored in the form of generalized list, is set to matrix A, aijFor its inner element；
S223：It is theoretical according to the random walk based on Markov chain, by each user of the matrix computations in entirely contact net
Position in network, and the Relation Parameters r between other contact personsij；
Specifically, Relation ParametersWherein, rijUser i and user j Relation Parameters are represented, P is root
The transfer matrix obtained according to Markov chain and relational matrix, t is its step-length, and d (k) is node k length, and R is its correspondence
Relational matrix, according to relational matrix R mark off user contact net present in community, relational matrix value more it is big then explanation both
Between relation it is closer, it is corresponding higher with the probability in a community, it is otherwise on the contrary.
2. a kind of method for secret protection applied suitable for roller blind according to claim 1, it is characterised in that：Described use
The family communication information includes air time, the duration of call, short message time, short message quantity.
3. a kind of method for secret protection applied suitable for roller blind according to claim 1, it is characterised in that：Marking off
After different community, in addition to a user is the step of be finely adjusted and name to community.
4. a kind of method for secret protection applied suitable for roller blind according to claim 1, it is characterised in that：Also include one
The step of individual judgement cohesion, judging that the authority that community is set is very to judge the parent between information transmitter and passenger inside the vehicle afterwards
Density, by the cohesion compared with cohesion threshold value, if higher than roller blind if cohesion threshold value, otherwise refuses roller blind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510157900.1A CN104731489B (en) | 2015-04-03 | 2015-04-03 | A kind of method for secret protection applied suitable for roller blind |
Applications Claiming Priority (1)
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| CN201510157900.1A CN104731489B (en) | 2015-04-03 | 2015-04-03 | A kind of method for secret protection applied suitable for roller blind |
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| CN104731489B true CN104731489B (en) | 2017-08-25 |
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| CN201510157900.1A Active CN104731489B (en) | 2015-04-03 | 2015-04-03 | A kind of method for secret protection applied suitable for roller blind |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107465678A (en) * | 2017-08-04 | 2017-12-12 | 上海博泰悦臻网络技术服务有限公司 | A kind of privacy information control system and method |
| CN107547532A (en) * | 2017-08-24 | 2018-01-05 | 上海擎感智能科技有限公司 | Privacy of user management method and device, storage medium, terminal for vehicle device |
| CN109720354B (en) * | 2017-10-31 | 2021-02-26 | 长城汽车股份有限公司 | Interpersonal relationship-based vehicle function using method |
| CN110990878B (en) * | 2019-12-13 | 2021-09-28 | 支付宝(杭州)信息技术有限公司 | Construction method of private data derivative graph |
| CN114374930B (en) * | 2020-10-16 | 2023-05-16 | 华为技术有限公司 | Message prompting method, system, vehicle-mounted terminal and computer readable storage medium |
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| CN103345607A (en) * | 2013-06-03 | 2013-10-09 | 东莞宇龙通信科技有限公司 | Method and device for intelligently displaying terminal data information |
| CN103365657A (en) * | 2013-06-28 | 2013-10-23 | 北京智谷睿拓技术服务有限公司 | Display control method and device as well as display equipment comprising device |
| CN103546422A (en) * | 2012-07-10 | 2014-01-29 | 比亚迪股份有限公司 | Vehicular screen multiplexing system, application method thereof and multimedia interaction system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5871485B2 (en) * | 2011-05-17 | 2016-03-01 | キヤノン株式会社 | Image transmission apparatus, image transmission method, and program |
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| CN103546422A (en) * | 2012-07-10 | 2014-01-29 | 比亚迪股份有限公司 | Vehicular screen multiplexing system, application method thereof and multimedia interaction system |
| CN103345607A (en) * | 2013-06-03 | 2013-10-09 | 东莞宇龙通信科技有限公司 | Method and device for intelligently displaying terminal data information |
| CN103365657A (en) * | 2013-06-28 | 2013-10-23 | 北京智谷睿拓技术服务有限公司 | Display control method and device as well as display equipment comprising device |
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