CN104065933A - Intelligent data acquisition method and system in video surveillance system - Google Patents
Intelligent data acquisition method and system in video surveillance system Download PDFInfo
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Abstract
The invention discloses an intelligent data acquisition method and system in a video surveillance system. The method and the system are applied to a video surveillance network system including a SIP server, a data management server and a plurality of frontend devices with intelligent video analysis functions. The method comprises the following steps: a frontend device registers on or logs out from a SIP server; the SIP server sets up or updates a device directory; a data management server acquires information of the device directory from the SIP server; according to the device directory information, the data management server requests, through the SIP server, the registered frontend device to open a data channel; the frontend device receives the request, responds to and accepts the request through the SIP server, and then opens the data channel between the frontend device and the data management server; and after the data channel is opened, the frontend device sends intelligent data to the data management server through the data channel. The method and the system solve the problem that a video surveillance system in the prior art does not have any unified method for intelligent data acquisition.
Description
Technical field
The present invention relates to safety precaution field of video monitoring, relate in particular to intelligent data acquisition method and system in a kind of video monitoring system.
Background technology
Safety precaution video monitoring networking system (hereinafter to be referred as video monitoring system) is to take safety precaution as object, the technology such as the monitoring of integrated application video and audio, communication, computer network, the system integration, can realizing of the functions such as information gathering, transmission, control, demonstration, storage, processing is interconnected between distinct device and system for having of building within the scope of city, large-scale place, the integrated network system of intercommunication, cross complaint.Video monitoring system is being brought into play significant role in public security work, and in the system of safe city, video monitoring system is exactly important component part wherein.In video monitoring system, produced massive video data, these data are to ensureing public safety, and prevention and prevention crime have indispensable effect.
At large data age, no longer with manually analyzing, retrieve these massive video data.Intelligent video analysis IVS (Intelligent Video Analysis System), to use computer picture visual analysis technology, by means of the powerful data processing function of computer chip, video pictures is carried out to high speed analysis, by the key message in background in scene is separated with target and then extraction, comparison and analysis picture.These key messages that analyze are referred to as intelligent data, carry out data mining, statistics, retrieval can allow video monitoring from artificial sampling observation based on these intellectual technologies, progressive to efficiently early warning in advance, ex-post analysis, realize intelligentized information analysis, prediction.
Intelligent data is divided into two parts in form: structural data and binary data.Structural data is described target and the scene information (as the information such as vehicle license plate in vehicle card port system) photographing conventionally, is often expressed as the text (as the text of XML form) of a segment structure.Binary data is generally the auxiliary data (as the candid photograph feature in vehicle card port system, face characteristic information etc.) of structural data, is often expressed as one or more binary files (stream).
Along with the extensive use of headend equipment in video monitoring system such as intelligent IPC (IP CAMERA is called for short IPC, i.e. web camera), intelligent video analysis function usually just can complete at front end.The intelligent data that how to gather these headend equipments generations is the problem that need to face when Design of Digital Video Monitor System is disposed.Two large standard < < GB/T28181-2011 safety precaution video monitoring networking system information transmissions, exchange, control technology in field of video monitoring requires > > (hereinafter to be referred as GB/T28181-2011) and ONVIF all to how gathering the intelligent data of headend equipment generation, not to provide clear and definite standard and method at present.Thereby, at safety-security area, even if the video monitoring system of distinct device producer construction is all followed GB/T28181-2011, but due to the intelligent data form of definition and the difference of acquisition mode, cause unifying to gather intelligent data with unified intelligent data acqusition system.
Summary of the invention
For this reason, the technical problem to be solved in the present invention is that in existing video monitoring system, intelligent data does not have unified method to gather, thereby propose intelligent data acquisition method and system in a kind of video monitoring system, solves this technical problem.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of intelligent data acquisition method in video monitoring system, be applied to comprise sip server, data management server, and some video monitoring networking systems with the headend equipment of intelligent video analysis function, comprise the steps: that headend equipment carries out facility registration or cancellation to sip server; Sip server is set up or the catalogue of updating the equipment; Data management server obtains facility inventory information to sip server; Data management server, according to facility inventory information, is opened data channel by the headend equipment of sip server request registration; Headend equipment receives this request, and is responded and agreed to, after this request, open the data channel between headend equipment and data management server by sip server; After data channel is opened, headend equipment sends intelligent data by data channel to data management server.
As intelligent data acquisition further improvements in methods in video monitoring system of the present invention, in the time of need to closing data channel, data management server is closed data channel by sip server request headend equipment; Headend equipment receives this request, and is responded and agreed to that after this request, data channel is closed by sip server.
As intelligent data acquisition further improvements in methods in video monitoring system of the present invention, described " data management server obtains facility inventory information to sip server " comprising: data management server is to sip server transmitting apparatus catalogue subscribe request, and sip server sends current facility inventory information to data management server.
As intelligent data acquisition further improvements in methods in video monitoring system of the present invention, headend equipment carries out facility registration or nullifies after renewal to sip server, the facility inventory information after sip server also upgrades to data management server transmitting apparatus catalogue.
As intelligent data acquisition further improvements in methods in video monitoring system of the present invention, the intelligent data that cannot send when data cached passage is unavailable in headend equipment.
As intelligent data acquisition further improvements in methods in video monitoring system of the present invention, by data management server, resolve and store intelligent data.
As intelligent data acquisition further improvements in methods in video monitoring system of the present invention, by least one real-time data channel, send real-time intelligent data, by least one historical data passage, send the intelligent data of buffer memory.
As intelligent data acquisition further improvements in methods in video monitoring system of the present invention, by real-time data channel, send heartbeat message and whether extremely disconnect to detect real-time data channel.
As intelligent data acquisition further improvements in methods in video monitoring system of the present invention, when real-time data channel being detected and extremely disconnecting, the intelligent data that data cached channel abnormal off period cannot send in headend equipment.
As intelligent data acquisition further improvements in methods in video monitoring system of the present invention, when real-time data channel being detected and extremely disconnecting, data management server regularly sends the request of opening historical data passage, until headend equipment is opened historical data passage.
Intelligent data acqusition system in a kind of video monitoring system, comprise: sip server, data management server and some headend equipments with intelligent video analysis function, wherein, described headend equipment comprises: facility registration module, transmitting apparatus registration or de-registration request; Data transmission blocks, response opens or closes the request of data channel, and the data channel transmitting data of setting up; Described sip server comprises: center signaling control module, and be responsible for core SIP signaling and process, and open or close data channel request described in forwarding to described data transmission blocks; Device management module, sets up or the catalogue of updating the equipment in described device management module according to described facility registration or de-registration request, the customization of support equipment catalogue and update notification; Described data management server comprises: data channel administration module, for obtaining facility inventory information by described center signaling control module to described device management module, and, according to described facility inventory information, to described center signaling control module, send and open or close data channel request msg administration module, receive the data that transmit in data channel and manage.
As the further improvement of intelligent data acqusition system in video monitoring system of the present invention, described headend equipment also comprises data cache module, the intelligent data that cannot send during unavailable for data cached passage.
Further improvement as intelligent data acqusition system in video monitoring system of the present invention, described data channel comprises at least one real-time data channel and at least one historical data passage, wherein, described real-time data channel, for sending real-time intelligent data; Described historical data passage, for sending the intelligent data of buffer memory.
Further improvement as intelligent data acqusition system in video monitoring system of the present invention, described data management module also comprises data reception module, data resolution module and data memory module, wherein, described data reception module, for receiving the intelligent data sending by described data channel; Described data resolution module, the intelligent data receiving for resolving described data reception module; Described data memory module, for storing the intelligent data after described data resolution module is resolved.
In video monitoring system of the present invention, the beneficial effect of intelligent data acquisition method and system is:
(1) intelligent data acquisition method and system in video monitoring system of the present invention, owing to comprising: headend equipment carries out facility registration or cancellation to sip server; Sip server is set up or the catalogue of updating the equipment; Data management server obtains facility inventory information to sip server; Data management server, according to facility inventory information, is opened data channel by the headend equipment of sip server request registration; After data channel is opened, headend equipment sends intelligent data by data channel to data management server; In the time of need to closing data channel, data management server is closed data channel by sip server request headend equipment.A kind of unified mode that gathers intelligent data in video monitoring system is provided like this, and making becomes possibility with the intelligent data that unified intelligent data acqusition system gathers in the video monitoring system of a plurality of distinct device producer construction.
(2) intelligent data acquisition method and system in video monitoring system of the present invention, because described headend equipment also comprises data cache module, the intelligent data that cannot send in the time of like this can data cached passage is unavailable in headend equipment.
(3) intelligent data acquisition method and system in video monitoring system of the present invention, because described data management module also comprises data resolution module and data memory module, can also resolve and store intelligent data like this.
(4) intelligent data acquisition method and system in video monitoring system of the present invention, because described data channel also comprises at least one historical data passage, can by described historical data passage, send the intelligent data of buffer memory like this, guarantee the integrality of intelligent data.
(5) whether intelligent data acquisition method and system in video monitoring system of the present invention, also send heartbeat message by real-time data channel and extremely disconnect to detect real-time data channel.When real-time data channel being detected and extremely disconnect, the intelligent data that can data cached channel abnormal off period cannot send.
Accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the flow chart of the intelligent data acquisition method in the safety precaution video monitoring system of the embodiment of the present invention 1.
Fig. 2 is the real-time intelligent exchanges data flow process in the intelligent data acquisition method of the embodiment of the present invention 2.
Fig. 3 is the historical intelligent data exchange flow process in the intelligent data acquisition method of the embodiment of the present invention 3.
Fig. 4 is the structural representation of intelligent data acqusition system in the video monitoring system of the embodiment of the present invention 4.
Embodiment
Embodiment 1:
Intelligent data acquisition method in a kind of safety precaution video monitoring system of embodiments of the invention, it is applied to comprise sip server, data management server and some safety precaution video monitoring networking systems with the headend equipment of intelligent video analysis function
GB/T28181-2011 is described sip server, repeats no more.Described data management server and some headend equipments with intelligent video analysis function are the SIP equipment of GB/T28181-2011 definition.
Fig. 1 shows the flow chart of the intelligent data acquisition method in the safety precaution video monitoring system of the present embodiment, comprises the following steps:
S1, headend equipment carry out facility registration or cancellation to sip server.
Facility registration between headend equipment and sip server, logout flow path are followed order flow process and the protocol interface of sip agent (SIP UA) registration and unregistration in GB/T28181-2011.
S2, sip server are set up or the catalogue of updating the equipment.
When sip server carries out facility registration for the first time, apparatus for establishing catalogue.When sip server carries out follow-up facility registration or nullifies, facility inventory is upgraded.
S3, data management server obtain facility inventory information to sip server.
Particularly, first by data management server, to sip server, subscribe to facility inventory, this flow process is followed order flow process and the protocol interface that in GB/T28181-2011, catalogue is subscribed to.Sip server sends current facility inventory information notice to data management server.In addition, headend equipment carries out facility registration or nullifies after renewal to sip server, and sip server also sends to data management server the facility inventory information notice of upgrading.Facility inventory information notice is followed catalogue notification command flow process and the protocol interface in GB/T28181-2011.
S4, data management server, according to facility inventory information, are opened data channel by the headend equipment of sip server request registration.
Data channel realizes with the long connected mode of HTTP1.1, and data message is organized in " HTTP+XML+ binary stream data " mode.
In data channel, use http protocol transmission HTTP message, by the POST mode of http protocol, can directly transmit the structured text data of XML form.If need transmission structure text and binary system complex data (as binary data such as the structuring information of vehicles of vehicle bayonet socket and candid photograph pictures), the data format that can be organized as the multipart/form-data medium type of http protocol transmits.A HTTP message examples of only transmitting XML structured text data is as follows, can in the data channel that be Structural Description in the loadtype (Payload) of application, transmit:
POST/api/structuraldescription HTTP/1.1
Host：202.1.1.1
User-Agent：kdm_xxx/1.1
Accept：text/*
Content-Type：application/xml
Content-Length：26175
Connection：Keep-Alive
Cache-Control：no-cache
Accept-Encoding：gzip，deflate
Allow：application/xml
XML text chunk
In above-mentioned message examples, message header part Content-Type fixedly fills out as " application/xml ".The HTTP message examples following (medium type is multipart/form-data) of a complex data that comprises XML structured text and picture binary data, can in the data channel that be Multipart in the loadtype (Payload) of application, transmit:
In above-mentioned message examples, message header part Content-Type fixedly fills out as " multipart/form-data ".The border attribute boundary of separate message body each several part can be by source device (transmit leg) self-defining.In the various piece of message body, comprise " Content-Disposition ", " name ", " filename ", " Content-Type " four attributes, these four attributes are for must fill out attribute.Wherein the property value of Content-Disposition is fixed as " form-data ".The title of this data division of name attribute representation.Filename used when this data division of filename attribute representation is used file to upload mode to be transferred to server.The name of name attribute and filename attribute does not require specific naming rule, can according to the traffic performance of self, carry out defining named rule by source device and target device, and requiring this name is unique at source device (transmitting terminal).The medium type of this data division of Content-Type attribute representation, if structural description information, property value can be taken as " application/xml "; As be binary data, property value can be taken as " application/octet-stream ".
Data management server facility inventory information sends the request of opening data channel to the headend equipment of registration, and this demand signalling forwards by sip server.Headend equipment is received after the request of opening data channel, sends and opens data channel request response to data management server, and this response signaling forwards by sip server.
S5, headend equipment receive this request, and are responded and agreed to, after this request, open the data channel between headend equipment and data management server by sip server.
That is, headend equipment is received and is opened after real-time data channel request, sends and opens real-time data channel request response to data management server.This response signaling forwards by sip server.Real-time data channel is opened.
After S6, data channel are opened, headend equipment sends intelligent data by data channel to data management server.
Headend equipment sends intelligent data by the data channel of opening to data management server, and data management server receives intelligent data, and intelligent data is resolved and stored.
In addition, in the time of need to closing data channel, data management server is closed data channel by sip server request headend equipment; Headend equipment receives this request, and is responded and agreed to that after this request, data channel is closed by sip server.
That is, when data management server need to be closed the data channel of certain headend equipment, it sends the request of closing data channel to this headend equipment, and this demand signalling forwards by sip server.This headend equipment is received after the request of closing data channel, be sent completely close data channel response to data management server and stop sending intelligent data, the intelligent data that cannot send carries out buffer memory, and transmission is closed real-time data channel request response signaling and forwarded by sip server.
Embodiment 2:
As shown in Figure 2, the real-time intelligent exchanges data flow process in the intelligent data acquisition method of the embodiment of the present invention is as follows:
Data management server is subscribed to facility inventory to sip server.
Headend equipment carries out facility registration to sip server.
Sip server notifies the facility inventory information of renewal to data management server.
Data management server is opened real-time data channel request according to the facility inventory information of upgrading to the headend equipment transmission of registration, and the control signal of opening real-time data channel request can define to realize by the MANSCDP in expansion GB/T28181-2011.Article one, based on MANSCDP form to open real-time data channel demand signalling example as follows:
This required list shows that data management server forward end device request opens two real-time data channels (URL is respectively http: // 1.1.1.1:3000 and " http: // 1.1.1.2:3000 "), and indicates that every data channel is by the loadtype sending and the bandwidth that needs.
This demand signalling need to forward by sip server.Headend equipment is received and is opened after real-time data channel request, sends and opens real-time data channel request response to data management server.
Headend equipment is as follows to opening real-time data channel request response example:
This response signaling forwards by sip server.Real-time data channel is opened.
Headend equipment sends real-time intelligent data to data management server on the real-time data channel of opening.
Data management server receives real-time intelligent data on the real-time data channel of opening, and intelligent data is resolved and storage.
When data management server needs the real-time data channel of closed front end equipment, it sends to this headend equipment the real-time data channel request of closing.The control signal of closing real-time data channel request also defines to realize by the MANSCDP in expansion GB/T28181-2011.Article one, based on MANSCDP form to close real-time data channel demand signalling example as follows:
This required list shows that data management server forward end device request closes two real-time data channels (URL is respectively http: // 1.1.1.1:3000 and " http: // 1.1.1.2:3000 ").This demand signalling forwards by sip server.Headend equipment is received and is closed after real-time data channel request, sends and closes real-time data channel request response to data management server.Headend equipment is as follows to closing this real-time data channel request response example:
Real-time data channel is closed, and headend equipment stops sending real-time intelligent data, and real-time intelligent data are carried out to buffer memory.Transmission is closed real-time data channel request response signaling and is forwarded by sip server.
As preferred embodiment, in transmission real-time intelligent data procedures, sometimes because the abnormal conditions such as network failure cause real-time data channel unavailable.Whether by real-time data channel, send heartbeat message disconnects extremely to detect real-time data channel.When real-time data channel being detected and extremely disconnect, the intelligent data that the data cached channel abnormal off period of headend equipment cannot send.
Headend equipment is by real-time data channel to message of data management module timed sending, and when real-time data channel is good for use, data management module will be received described message in time, in the time can not receiving described message, shows that real-time data channel disconnects extremely.Or data management module is by message of real-time data channel forward end equipment timed sending, when real-time data channel is good for use, headend equipment will be received described message in time, in the time can not receiving described message, show that real-time data channel disconnects extremely.Above-mentioned message is heartbeat message.In fact, how to realize and on real-time data channel, send heartbeat message to detect whether extremely disconnection of real-time data channel, belong to the common practise of the art, repeat no more.
As preferred implementation, described real-time data channel can be one or two or three, and its concrete quantity is according to actual requirement setting.
Embodiment 3:
As shown in Figure 3, the historical intelligent data exchange flow process in the intelligent data acquisition method of the embodiment of the present invention is as follows:
Data management server sends the request of opening historical data passage to the headend equipment that need to open historical data passage.The control signal of opening historical data channel request can define to realize by the MANSCDP in expansion GB/T28181-2011.Article one, based on MANSCDP form to open historical data channel request signaling example as follows:
This required list shows that data management server forward end device request opens two historical data passages (URL is respectively http: // 1.1.1.1:3000 and " http: // 1.1.1.2:3000 "), and indicates that every data channel is by the loadtype sending and the bandwidth that needs.This demand signalling forwards by sip server.Headend equipment receives and opens after historical data channel request, sends and opens historical data channel request response to data management server.
It is as follows that headend equipment is opened historical data channel request response example to this:
This response signaling forwards by sip server.
Headend equipment sends the historical intelligent data of its buffer memory to data management server.
In the time of need to closing the historical data passage of this headend equipment, data management server sends and closes historical data channel request to this headend equipment.The control signal of closing historical data channel request also defines to realize by the MANSCDP in expansion GB/T28181-2011.Article one, based on MANSCDP to close historical data channel request signaling example as follows:
This required list shows that data management server forward end device request closes two historical data passages (URL is respectively http: // 1.1.1.1:3000 and " http: // 1.1.1.2:3000 ").
This demand signalling forwards by sip server.Headend equipment receives and closes after historical data channel request, sends and closes historical data channel request response to data management server.
Headend equipment is as follows to closing this historical data passage response example:
Headend equipment is closed historical data passage, and stops sending historical intelligent data.Transmission is closed historical data channel request response signaling and is forwarded by sip server.
As preferred embodiment, in transmission real-time intelligent data procedures, sometimes because the abnormal conditions such as network failure cause real-time data channel unavailable.Whether by real-time data channel, send heartbeat message disconnects extremely to detect real-time data channel.When real-time data channel being detected and extremely disconnect, the intelligent data that the data cached channel abnormal off period of headend equipment cannot send.After data management server knows that real-time data channel disconnects, regularly forward end equipment sends and opens historical data channel request.After system exception recovers, headend equipment can receive from data management server open historical data channel request, and send and open historical data channel request and respond.Historical data passage is opened.
As preferred implementation, described historical data passage can be one or two or three, and its concrete quantity is according to actual requirement setting.
Embodiment 4:
Fig. 4 shows intelligent data acqusition system in a kind of video monitoring system of the present embodiment, comprise data management server, sip server and some headend equipments with intelligent video analysis function, described data management server comprises data management module and data channel administration module, described headend equipment comprises facility registration module and data transmission blocks, and described sip server comprises center signaling control module and device management module.
Sip server in Fig. 4 can be video monitoring service platform conventionally, has equipment control, signaling centralized control, the functions such as streaming media service.Comprise center signaling control module formation logic entity comprise one or more of proxy server, registrar, Redirect Server, back-to-back user agent etc., be responsible for the application of core SIP signaling and process.Comprise device management module storage, upgrade the state of the SIP equipment of registering, subscription and the notice of support SIP facility inventory.
Data management server in Fig. 4 can be the computer of a fabrication data management software.The data channel administration module that data management software comprises is for subscribing to SIP facility inventory, and according to SIP facility information open, close corresponding device in real time and historical data passage.The intelligent data administration module that data management software comprises is for receiving the intelligent data in real time and on historical data passage.
Headend equipment shown in Fig. 4, sip server, the control signal between intelligent data integrating server is SIP signaling, and GB/T28181-2011 is followed in the transmission exchange between signaling.
Particularly, described facility registration module, for registering or de-registration request to described center signaling control module transmitting apparatus.Described center signaling control module, being responsible for core SIP signaling processes, comprise: according to described facility registration or de-registration request, in described device management module, set up or the catalogue of updating the equipment, and, described in forwarding to described data transmission blocks, open or close data channel request.Described device management module, sets up or the catalogue of updating the equipment in described device management module according to described facility registration or de-registration request, the customization of support equipment catalogue and update notification.Described data channel administration module, for obtaining facility inventory information by described center signaling control module to described device management module, and, according to described facility inventory information, to described center signaling control module, send and open or close data channel request.Described data transmission blocks, for opening or close described data channel according to opening or close data channel request, and, when opening, described data channel to described data management module, sends intelligent data by described data channel.
Described data management module, for receiving the data that transmit in data channel and managing.Particularly, described data management module comprises data reception module, data resolution module and data memory module, and described data reception module, for receiving the intelligent data sending by described data channel; Described data resolution module, the intelligent data receiving for resolving described data reception module; Described data memory module, for storing the intelligent data after described data resolution module is resolved.
Described headend equipment also comprises data cache module, the intelligent data that cannot send during unavailable for data cached passage.Described data channel comprises real-time data channel and historical data passage, and described real-time data channel, for sending real-time intelligent data; Described historical data passage, for sending the intelligent data of buffer memory.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all execution modes.And the apparent variation of being extended out thus or change are still among the protection range in the invention.
Claims (14)
1. an intelligent data acquisition method in video monitoring system, is applied to comprise sip server, data management server, and some video monitoring networking systems with the headend equipment of intelligent video analysis function, it is characterized in that, comprises the steps:
Headend equipment carries out facility registration or cancellation to sip server;
Sip server is set up or the catalogue of updating the equipment;
Data management server obtains facility inventory information to sip server;
Data management server, according to facility inventory information, is opened data channel by the headend equipment of sip server request registration;
Headend equipment receives this request, and is responded and agreed to, after this request, open the data channel between headend equipment and data management server by sip server;
After data channel is opened, headend equipment sends intelligent data by data channel to data management server.
2. intelligent data acquisition method in video monitoring system according to claim 1, is characterized in that, also comprises:
In the time of need to closing data channel, data management server is closed data channel by sip server request headend equipment;
Headend equipment receives this request, and is responded and agreed to that after this request, data channel is closed by sip server.
3. according to intelligent data acquisition method in claim 1 video monitoring system, it is characterized in that, described " data management server obtains facility inventory information to sip server " comprising: data management server is to sip server transmitting apparatus catalogue subscribe request, and sip server sends current facility inventory information to data management server.
4. according to intelligent data acquisition method in claim 3 video monitoring system, it is characterized in that, also comprise: headend equipment carries out facility registration or nullifies after renewal to sip server the facility inventory information after sip server also upgrades to data management server transmitting apparatus catalogue.
5. according to intelligent data acquisition method in claim 1 video monitoring system, it is characterized in that the intelligent data that cannot send when also data cached passage is unavailable in headend equipment.
6. according to intelligent data acquisition method in claim 1 video monitoring system, it is characterized in that, also by data management server, resolve and store intelligent data.
7. according to intelligent data acquisition method in claim 1 video monitoring system, it is characterized in that, also by least one real-time data channel, send real-time intelligent data, by least one historical data passage, send the intelligent data of buffer memory.
8. according to intelligent data acquisition method in claim 5 video monitoring system, it is characterized in that, also by real-time data channel, send heartbeat message and whether extremely disconnect to detect real-time data channel.
9. according to intelligent data acquisition method in claim 6 video monitoring system, it is characterized in that, when real-time data channel being detected and extremely disconnecting, the intelligent data that data cached channel abnormal off period cannot send in headend equipment.
10. according to intelligent data acquisition method in claim 6 video monitoring system, it is characterized in that, when real-time data channel being detected and extremely disconnecting, data management server regularly sends the request of opening historical data passage, until headend equipment is opened historical data passage.
Intelligent data acqusition system in 11. 1 kinds of video monitoring systems, is characterized in that, comprising: sip server, data management server and some headend equipments with intelligent video analysis function, wherein,
Described headend equipment comprises:
Facility registration module, transmitting apparatus registration or de-registration request;
Data transmission blocks, response opens or closes the request of data channel, and the data channel transmitting data of setting up;
Described sip server comprises:
Center signaling control module, is responsible for core SIP signaling and processes, and opens or close data channel request described in forwarding to described data transmission blocks;
Device management module, sets up or the catalogue of updating the equipment in described device management module according to described facility registration or de-registration request, the customization of support equipment catalogue and update notification;
Described data management server comprises:
Data channel administration module, for obtaining facility inventory information by described center signaling control module to described device management module, and, according to described facility inventory information, to described center signaling control module, send and open or close data channel request;
Data management module, receives the data that transmit in data channel and manages.
12. according to intelligent data acquisition method in claim 11 video monitoring system, it is characterized in that, described headend equipment also comprises data cache module, the intelligent data that cannot send during unavailable for data cached passage.
13. according to intelligent data acquisition method in claim 12 video monitoring system, it is characterized in that, described data channel comprises at least one real-time data channel and at least one historical data passage, wherein,
Described real-time data channel, for sending real-time intelligent data;
Described historical data passage, for sending the intelligent data of buffer memory.
14. according to intelligent data acquisition method in claim 11 video monitoring system, it is characterized in that, described data management module also comprises data reception module, data resolution module and data memory module, wherein,
Described data reception module, for receiving the intelligent data sending by described data channel;
Described data resolution module, the intelligent data receiving for resolving described data reception module;
Described data memory module, for storing the intelligent data after described data resolution module is resolved.
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Cited By (6)
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