CN103905796A - Privacy protection method and device in monitoring system - Google Patents
Privacy protection method and device in monitoring system Download PDFInfo
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- CN103905796A CN103905796A CN201410152915.4A CN201410152915A CN103905796A CN 103905796 A CN103905796 A CN 103905796A CN 201410152915 A CN201410152915 A CN 201410152915A CN 103905796 A CN103905796 A CN 103905796A
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Abstract
The invention discloses a privacy protection method and device in a monitoring system. Monitoring information acquired by front-end equipment comprises at least one information type, and the at least one information type in the monitoring information is set as identity information of a monitored main body. In the method, according to the information type serving as the identity information of the monitored main body in the monitoring information, the safety level corresponding to the monitored main body is sought for in a database; according to the information type corresponding to the safety level in the database, privacy protection is conducted on the monitoring information according to a set privacy policy. Meanwhile, the device comprises a safety level determining module and a privacy protection module. According to the method and device, the problem of safety protection of personal privacy is solved through the front-end equipment, and the method and device have the advantages of being flexible in configuration, good in expansibility and the like.
Description
Technical field
The invention belongs to monitoring technique field, relate in particular to method and the device of secret protection in a kind of supervisory control system.
Background technology
Along with popularizing of video monitoring, the camera that increasing public place, road are all gathered covers.Undeniable, video monitoring dealing with contingencies, safeguard king's peace, look for the aspects such as case clue and have huge function, but the random leakage of video data uploads to internet, also party's privacy has been caused to great harm.A lot of individual privacies that relate to have occurred in society and revealed, the event that individual rights are damaged, has caused larger negative social impact.
Radio frequency discrimination RFID (Radio Frequency Identification) technology is identified specific objective and is read and write related data by radio signals simultaneously, the problem that also exists individual privacy to reveal.
Therefore, how between protecting, carrying out balance in individual privacy protection and national security, personal security, is current video monitoring system problem demanding prompt solution.Current technical scheme, conventionally by different authorization mechanisms is set, limits access and download to video data.But because video monitoring related data mainly comprises government organs, market, hotel, retail shop, road traffic, community etc., supervision subjects relates to regular and non-normal Security Personnel, cannot realize the unified strict control of authorizing, have very large unpredictable administrative vulnerability and risk.Inner Security Personnel can take video data easily, and arbitrarily issues on the internet, or directly individual is impended, and has caused very large crime hidden danger.Citizen seemingly nude place oneself in the midst of in the street crowded, without any personal secrets sense.
Summary of the invention
The object of this invention is to provide method and the device of secret protection in a kind of supervisory control system; the source that can obtain from video data; on headend equipment, carry out the division of safe class, the video data that monitoring is obtained is treated respectively, to protect citizen's individual privacy.
To achieve these goals, technical solution of the present invention is as follows:
A kind of method of secret protection in supervisory control system; monitor message for the monitored main body to headend equipment collection is carried out secret protection; described monitor message comprises at least one information type; and at least one information type that described monitor message is set is as monitored subject identity information, the method for described secret protection comprises step:
According to the information type as monitored subject identity information in described monitor message, in database, search safe class corresponding to monitored main body;
According to the information type that this safe class in database is corresponding, described monitor message is carried out to secret protection.
Further, in described database, be provided with the corresponding relation of monitored subject identity information and safe class, and the corresponding relation of safe class and information type.
Further, described monitor message being carried out to secret protection, is to carry out secret protection according to the privacy protection policy of setting.Described privacy policy is according to safe class corresponding to described monitored main body, all monitor messages except information type corresponding to this safe class to be deleted.Or each information type of described monitor message is carried out to privacy class classification, and each privacy class is to there being corresponding life cycle, and the privacy class corresponding according to information type, to after date, deletes monitor message corresponding to this information type in its life cycle.
The present invention has proposed the device of secret protection in a kind of supervisory control system simultaneously; be applied to the headend equipment in supervisory control system; monitor message to the monitored main body gathering is carried out secret protection; described monitor message comprises at least one information type; and at least one information type that described monitor message is set is as monitored subject identity information, this secret protection device comprises:
Determine safe class module, for the information type as monitored subject identity information according to described monitor message, in database, search safe class corresponding to monitored main body;
Secret protection module, for carrying out secret protection according to information type corresponding to this safe class of database to described monitor message.
Further, in described database, be provided with the corresponding relation of monitored subject identity information and safe class, and the corresponding relation of safe class and information type.
Further, described secret protection module is carried out secret protection according to the privacy protection policy of setting, and described privacy policy is according to safe class corresponding to described monitored main body, all monitor messages except information type corresponding to this safe class to be deleted.Or the each information type in described monitor message is carried out to privacy class classification, each privacy class is to there being corresponding life cycle, the privacy class corresponding according to the information type of monitor message, to after date, deletes monitor message corresponding to this information type in its life cycle.
Method and the device of secret protection in a kind of supervisory control system that the present invention proposes; by the level of security of the information type in monitor message is set; and carry out the protection of privacy according to privacy class; solve the related individual privacy protection problem of video monitoring system and pavement monitoring system; take into account the normal operation of business simultaneously, overcome the privacy leakage problem that only may occur by rear end authorization.According to different privacy class, carry out secret protection according to life cycle at headend equipment, the flexibility satisfying the demands and autgmentability.
Brief description of the drawings
Fig. 1 is the system group network schematic diagram of supervisory control system;
Fig. 2 is the method flow diagram of secret protection in supervisory control system of the present invention;
Fig. 3 is the apparatus structure block diagram of secret protection in supervisory control system of the present invention.
Embodiment
Below in conjunction with drawings and Examples, technical solution of the present invention is described in further details, following examples do not form limitation of the invention.
In supervisory control system as shown in Figure 1, rear end platform is connected by network with headend equipment, and the equipment of rear end platform is generally various servers and memory device, and headend equipment comprises video camera, video identification equipment, or other have the equipment of recognition capability.
The information that headend equipment is gathered is classified according to information type, represents, for example INFO by different information type ID
1, INFO
2..., INFO
m, and set different safe class L
1, L
2..., L
n, the information difference that different safe classes can be obtained is corresponding as follows:
L
1：INFO
1～INFO
i；
L
2：INFO
i+1～INFO
j；
…
L
n：INFO
k～INFO
m；
Wherein m>1,1<i, j, k<m, j>i.
Here only listed a kind of corresponded manner, in fact the corresponding relation of safe class and information type can be set according to the actual requirements flexibly by user, and between different stage, can allow some types to repeat, for example L
1and L
2can be simultaneously all to there being INFO
i.
The present embodiment describes as an example of traffic surveillance and control system example, packets of information bracket board that headend equipment obtains, color, vehicle brand message, profile, transit time, exhaust emissions rank, ownership, engine coding, purposes, crosses the information such as car video image, driver's image.Every kind of information corresponding information type ID, for example an INFO
1corresponding to number plate.The corresponding relation of the safe class setting and information type is stored in database, and this database can be placed in headend equipment, also can be placed in rear end platform.
Fig. 2 shows the flow process of method for secret protection in a kind of supervisory control system of the present invention, carries out secret protection for the monitor message of the monitored main body to headend equipment collection, comprises the steps:
For the present embodiment traffic surveillance and control system, monitored main body is the vehicle travelling on road, and monitor message is corresponding to the information of vehicles of vehicle.If headend equipment is the video camera that traffic block port possesses vehicle identification function, when vehicle is through out-of-date, can arrive following information of vehicles according to the video image acquisition of taking: number plate, color, vehicle brand message, profile, transit time, exhaust emissions rank, ownership, engine coding, type of vehicle, mistake car video image, driver's image etc.
Or in the time that headend equipment is radio frequency identification equipment, radio frequency discrimination RFID equipment generally includes RFID antenna and rfid interrogator, now RFID equipment obtains by the RFID electronic tag of installing on identification vehicle the information of vehicles that this vehicle is corresponding.
Generally, when at vehicle, RFID electronic tag not being installed, or there is no RFID equipment, or the reason such as RFID equipment fault cannot obtain information of vehicles by RFID equipment, the video camera of only installing by traffic block port obtains information of vehicles.On the contrary, for the system of only having RFID equipment, only obtain information of vehicles by RFID equipment.
In database, be not only provided with the corresponding relation of safe class and information type, be also provided with the corresponding relation of monitored subject identity information and safe class, in order to inquire about different safe class corresponding to monitored main body.In concrete enforcement, the identity information of monitored main body and the corresponding relation of safe class can be set, in monitor message, select the identity information of at least one information as monitored main body, inquire its corresponding safe class.
Be the vehicle on road for monitored main body, the information type that number plate, type of vehicle etc. in monitor message has distinguishing characteristic all can be used as identity information, specifically what is determined according to the identity information arranging in database, which kind of information type administrative staff can arrange by definition and be used as identity information, can be that a kind of information type can be also the combination of several information types as the information type of identity information.
For example, in database, be provided with the identity information of number plate as vehicle, select number plate in the monitor message identity information as vehicle, from database, inquire its corresponding safe class according to this identity information.Owing to can distinguishing according to number section of number plate of vehicle the attaching relation of different vehicles, as the vehicle of " Zhejiang A " expression Zhejiang Hangzhou, " Zhejiang B " represents the vehicle of Ningbo of Zhejiang, and for example " the alert xxxx of Zhejiang A " represents police car, " Zhejiang A learns xxxx " represents learner-driven vehicle etc., therefore determine that according to number plate the safe class of vehicle has certain practical significance, for the common number plate of personal car, five-star safe class can be set, and for the vehicle of public sector, more low-level safe class is set.
Or, in database, be provided with the identity information of type of vehicle as vehicle, select type of vehicle in the monitor message identity information as vehicle, from database, inquire its corresponding safe class according to this identity information.Type of vehicle comprises bus, station wagon, lorry etc., is the privacy of station wagon in order to protect sedan, and it is high safety grade that the safe class that station wagon is corresponding is set, and the vehicle that the public sectors such as bus are set is lower safe class.
In database, be provided with the corresponding relation of safe class and information type, therefore knowing after safe class corresponding to monitored main body, just can carry out the disposal of monitor message according to the privacy policy of setting.
Privacy protection policy has comprised two kinds of strategies, and one is according to safe class, and all data except information type corresponding to this safe class are deleted; Another kind is, each information type correspondence in monitor message life cycle is separately set, and the information type with identical life cycle is same privacy class, deletes corresponding monitor message after the life cycle of information type.
For example, safe class corresponding to vehicle that number plate is " Zhejiang A12345 " is L
1, and L
1corresponding information type is INFO
1number plate, INFO
2color, INFO
3profile, INFO
4exhaust emissions.According to the first privacy protection policy, to INFO
1number plate, INFO
2color, INFO
3profile, INFO
4these information types of exhaust emissions can be carried out secret protection; and for other information types in monitor message; as vehicle brand message, transit time, ownership, engine coding, type of vehicle, mistake car video image, driver's image etc. need to carry out secret protection, delete.According to the second privacy protection policy; each information type is carried out to privacy class classification, and each privacy class is to there being corresponding life cycle, the privacy class corresponding according to information type; to after date, delete monitor message corresponding to this information type in its life cycle.
Particularly, privacy class corresponding to each information type in the monitor message of setting headend equipment storage, highest ranking is D
1, be followed successively by D
2, D
3..., D
f.The corresponding life cycle of each privacy class is for example D
1corresponding T
1, D
2corresponding T
2, D
3corresponding T
3, by that analogy, D
fcorresponding T
f.
Wherein, T
1, T
2, T
3..., T
ffor life cycle time.
Information type corresponding to privacy class and each rank can define flexibly according to concrete business, for example, and privacy class D
1comprised car video image, driver's image; D
2bag brand, transit time, engine mumber, ownership, type of vehicle; D
fcomprise number plate, color, profile and exhaust emissions.D
1, D
2..., D
fthe all information types in monitor message are comprised.
Carrying out when privacy policy, after regular time interval T, judge that whether the life cycle that each privacy class is corresponding expires, if expired, deletes corresponding monitor message.Thereby important privacy monitor message is deleted as early as possible, and can be disclosed monitor message preserve relatively for a long time, privacy class D is for example set
1the life cycle of crossing car video image, driver's image comprising is 1 day, and arranges; And D
fthe life cycle of number plate, color, profile and the exhaust emissions comprising is for forever.
Fig. 3 shows the structural representation of secret protection device in a kind of supervisory control system, and the headend equipment of this application of installation in supervisory control system carries out secret protection to the monitor message gathering, and comprises as lower module:
Determine safe class module, for the information type as monitored subject identity information according to described monitor message, in database, search safe class corresponding to monitored main body;
Secret protection module, for carrying out secret protection according to information type corresponding to this safe class of database to described monitor message.
Hold intelligiblely, in database, be provided with the corresponding relation list of monitored subject identity information and safe class, and the corresponding relation list of safe class and information type.And secret protection module is carried out secret protection according to the privacy protection policy of setting, the privacy policy of setting is according to safe class corresponding to supervision subjects, all monitor messages except information type corresponding to this safe class to be deleted; Or each information type of described monitor message is carried out to privacy class classification, each privacy class is to there being corresponding life cycle, described privacy policy is the privacy class corresponding according to information type, to after date, deletes monitor message corresponding to this information type in its life cycle.
Above embodiment is only in order to technical scheme of the present invention to be described but not be limited; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the method for secret protection in a supervisory control system; monitor message for the monitored main body to headend equipment collection is carried out secret protection; it is characterized in that; described monitor message comprises at least one information type; and at least one information type that described monitor message is set is as monitored subject identity information, the method for described secret protection comprises step:
According to the information type as monitored subject identity information in described monitor message, in database, search safe class corresponding to monitored main body;
According to the information type that this safe class in database is corresponding, described monitor message is carried out to secret protection.
2. the method for secret protection according to claim 1, is characterized in that, is provided with the corresponding relation of monitored subject identity information and safe class in described database, and the corresponding relation of safe class and information type.
3. the method for secret protection according to claim 1, is characterized in that, described monitor message is carried out to secret protection, is to carry out secret protection according to the privacy protection policy of setting.
4. the method for secret protection according to claim 3, is characterized in that, described privacy policy is according to safe class corresponding to described monitored main body, all monitor messages except information type corresponding to this safe class to be deleted.
5. the method for secret protection according to claim 3; it is characterized in that; each information type to described monitor message is carried out privacy class classification; each privacy class is to there being corresponding life cycle; described privacy policy is the privacy class corresponding according to information type; to after date, delete monitor message corresponding to this information type in its life cycle.
6. the device of secret protection in a supervisory control system; be applied to the headend equipment in supervisory control system; monitor message to the monitored main body gathering is carried out secret protection; it is characterized in that; described monitor message comprises at least one information type; and at least one information type that described monitor message is set is as monitored subject identity information, this secret protection device comprises:
Determine safe class module, for the information type as monitored subject identity information according to described monitor message, in database, search safe class corresponding to monitored main body;
Secret protection module, for carrying out secret protection according to information type corresponding to this safe class of database to described monitor message.
7. the device of secret protection according to claim 6, is characterized in that, is provided with the corresponding relation of monitored subject identity information and safe class in described database, and the corresponding relation of safe class and information type.
8. the device of secret protection according to claim 6, is characterized in that, described secret protection module is carried out secret protection according to the privacy protection policy of setting.
9. the device of secret protection according to claim 8, is characterized in that, described privacy policy is according to safe class corresponding to described monitored main body, all monitor messages except information type corresponding to this safe class to be deleted.
10. the device of secret protection according to claim 8; it is characterized in that; each information type to described monitor message is carried out privacy class classification; each privacy class is to there being corresponding life cycle; described privacy policy is the privacy class corresponding according to information type; to after date, delete monitor message corresponding to this information type in its life cycle.
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