CN102377987A - IMS (Internet Protocol Multimedia Subsystem)-based video monitoring system and method - Google Patents
IMS (Internet Protocol Multimedia Subsystem)-based video monitoring system and method Download PDFInfo
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- CN102377987A CN102377987A CN2010102650843A CN201010265084A CN102377987A CN 102377987 A CN102377987 A CN 102377987A CN 2010102650843 A CN2010102650843 A CN 2010102650843A CN 201010265084 A CN201010265084 A CN 201010265084A CN 102377987 A CN102377987 A CN 102377987A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
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Abstract
The invention discloses an IMS (Internet Protocol Multimedia Subsystem)-based video monitoring system, which comprises a monitoring client-side subsystem, an IMS core control part, an application server subsystem and a monitoring front-end subsystem, wherein in a business logic processing process, the IMS core control part is in charge of routing and forwarding SIP (Session Initiation Protocol) signallings among the monitoring client-side subsystem, the application server subsystem and the monitoring front-end subsystem and establishing/removing corresponding sessions. The invention further provides an IMS-based video monitoring method correspondingly. According to the invention, by providing an architecture of the IMS-based video monitoring system, functional entity division, functional entity functions, a relation among functional entities and interfaces, the IMS-based video monitoring system and business can be realized, and thus, the technical advantages of uniform IMS access control, fusion of various multimedia businesses, the reliability of the multimedia business quality, and the like can be reflected.
Description
Technical Field
The present invention relates to video monitoring technologies, and in particular, to a video monitoring system and method based on an IP Multimedia Subsystem (IMS).
Background
In recent years, with the rapid development of computers, networks, image processing and transmission technologies, video monitoring technology has also been advanced significantly. The new generation of video monitoring system realizes the transmission of media through the network so as to carry out remote video monitoring, and no matter where a user is, the user can log in the internet by using a client, such as a computer and the like, and the network video monitoring system is connected to obtain images and sound. Video monitoring is widely applied to various occasions such as banks, schools, hospitals, communities, road traffic and the like due to intuition, convenience and rich information.
On the other hand, the convergence of telecommunication and internet is accelerated by the current development of full IP, and the end-to-end IP is a network development trend. The IMS has the following characteristics:
the method has the advantages that the method is independent of access, and can theoretically realize that the home location service can be used no matter what equipment is used by a user and the IMS network is accessed anywhere;
the unified service triggering mechanism, IMS core control part does not realize concrete service, and all services including supplementary service in the traditional concept are realized by a service application platform;
the unified routing mechanism, the data information related to the user is only stored in the user's home location, and all the services related to the user must also pass through the user's home location;
unifying the user database to shield the difference between the service attributes of the fixed and mobile users;
the requirements of the actual operation of the operator are fully considered, and relevant specifications are established in the aspects of network framework, QoS, safety, charging and intercommunication with other networks.
The technical characteristics and advantages of IMS unified access control, convergence of various multimedia services, and multimedia service quality reliability are being recognized by telecommunication operators who are tightening deployment of IMS core networks and gradually migrating various services to the IMS core networks.
IMS is defined by the 3GPP (3 rd Generation Partnership Project) standards organization and is a generic term for network core layer logical function entities that control IP multimedia services. The IMS uses an IP packet domain as its control signaling and media transmission bearer channel, and uses an SIP protocol as a call control signaling, thereby realizing separation of service management, session control, and bearer access, and its advantages in network convergence are receiving more and more attention. Such as ITU-T, ETSI, also employ IMS as its core network defining the next generation network.
However, the current video monitoring architecture in the industry is not designed based on the IMS, so that the current video monitoring system cannot implement operational and manageable carrier-level video monitoring.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide a video monitoring system and method based on IMS, which can implement IMS unified access control and integration of various multimedia services, and can improve the reliability of multimedia service quality.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a video surveillance system based on an IP multimedia subsystem, IMS, comprising: the system comprises a monitoring client subsystem, an IMS core control part, an application server subsystem and a monitoring front-end subsystem; wherein,
the monitoring client subsystem is used for generating a corresponding SIP signaling according to user operation and sending the SIP signaling to the application server subsystem through the IMS core control part; and according to SIP signaling from IMS core control part, showing the corresponding information to the user;
the application server subsystem is used for carrying out corresponding service logic processing according to the SIP signaling from the IMS core control part;
the IMS core control part is used for carrying out the routing and forwarding of SIP signaling and the establishment/removal of corresponding sessions among the monitoring client subsystem, the application server subsystem and the monitoring front-end subsystem in the service logic processing process;
the monitoring front terminal system is used for collecting, coding and sending monitoring information; and processing SIP signaling from the IMS core control part and replying.
The system also comprises a media control and storage subsystem, which is used for forwarding, distributing, transcoding, storing or unicast-to-multicast the media from the monitoring front-end subsystem according to the notice of the application server subsystem; and providing a streaming media service; and forwarding the media data from the monitoring client subsystem.
The monitoring client subsystem is also used for displaying media from the media control and storage subsystem to a user; and sending the media to the media control and storage subsystem according to the user operation.
The IMS core control part is also used for performing access authentication on the monitoring client subsystem when the monitoring client subsystem is accessed.
And the application server subsystem is also used for directly configuring and managing the monitoring client subsystem and/or the monitoring front-end subsystem.
The monitoring front-end subsystem is also used for directly carrying out signaling interaction and code stream transmission with the monitoring client subsystem.
An IMS-based video monitoring method comprises the following steps:
the monitoring client subsystem generates a corresponding SIP signaling according to user operation and sends the SIP signaling to the application server subsystem through an IMS core control part;
the application server subsystem carries out corresponding service logic processing according to the SIP signaling from the IMS core control part, and in the service logic processing process, the IMS core control part is responsible for carrying out the routing and forwarding of the SIP signaling among the monitoring client subsystem, the application server subsystem and the monitoring front-end subsystem and establishing/dismantling corresponding sessions;
and the monitoring client subsystem displays corresponding information to the user according to the SIP signaling from the IMS core control part.
The application server subsystem performs corresponding service logic processing according to the SIP signaling from the IMS core control part as follows: the application server subsystem informs the media control and storage subsystem to forward, distribute, transcode, store, or unicast to multicast the media from the monitoring front-end subsystem, and to provide streaming media services,
the method further comprises the following steps: the monitoring client subsystem presents media from the media control and storage subsystem to the user.
The method further comprises the following steps: when the monitoring client subsystem is accessed, the IMS core control part performs access authentication on the monitoring client subsystem.
The method further comprises the following steps: the application server subsystem directly configures and manages the monitoring client subsystem and/or the monitoring front-end subsystem.
The method further comprises the following steps: the monitoring front terminal system directly performs signaling interaction and code stream transmission with the monitoring client subsystem.
The invention relates to a video monitoring system and a method based on an IMS, wherein the video monitoring system comprises: the system comprises a monitoring client subsystem, an IMS core control part, an application server subsystem, a media control and storage subsystem and a monitoring front-end subsystem, wherein the IMS core control part is used for carrying out the routing and forwarding of SIP signaling and the establishment/removal of corresponding sessions among the monitoring client subsystem, the application server subsystem and the monitoring front-end subsystem in the service logic processing process. The invention can realize the video monitoring system and the service based on the IMS by giving the framework, the functional entity division, the functional entity function, the relationship and the interface among the functional entities of the video monitoring system based on the IMS, thereby reflecting the technical advantages of the unified access control of the IMS, the fusion of various multimedia services, the quality reliability of the multimedia services and the like.
Drawings
FIG. 1 is a schematic structural diagram of an IMS-based video monitoring system according to the present invention;
FIG. 2 is a schematic diagram of an application server subsystem according to the present invention;
fig. 3 is a schematic flow chart of the video monitoring method based on the IMS according to the present invention.
Detailed Description
The basic idea of the invention is: the video monitoring system includes: the system comprises a monitoring client subsystem, an IMS core control part, an application server subsystem, a media control and storage subsystem and a monitoring front-end subsystem, wherein the IMS core control part is used for carrying out the routing and forwarding of SIP signaling and the establishment/removal of corresponding sessions among the monitoring client subsystem, the application server subsystem and the monitoring front-end subsystem in the service logic processing process.
Fig. 1 is a schematic structural diagram of an IMS-based video monitoring system according to the present invention, and as shown in fig. 1, the system includes: a monitoring client subsystem (CU)11, an IMS Core control part (Core IMS)12, an application server subsystem (AS)13, a monitoring front end subsystem (PU)14, a media control and storage subsystem (MCSU) 15; wherein,
the monitoring client subsystem 11 is used for generating a corresponding SIP signaling according to user operation and sending the SIP signaling to the application server subsystem 13 through the IMS core control part 12; and according to SIP signaling from IMS core control part 12, show the corresponding information to users; and to present media from the media control and storage subsystem 15 to the user; and sending the media to the media control and storage subsystem according to the user operation.
The monitoring client subsystem 11 may be a professional monitoring center, a set-top box, a mobile phone, a WEB client, etc., and at least includes a media decoding function, a media playing and displaying function, and a user control interface function, such as a monitoring list viewing function, a real-time video viewing function, a video retrieval and viewing function, and an alarm processing function.
An IMS core control part 12, configured to perform, in the service logic processing process, routing and forwarding of SIP signaling between the monitoring client subsystem 11, the application server subsystem 13, and the monitoring front-end subsystem 14, and establish/tear down a corresponding session; when the monitoring client subsystem 11 is accessed, performing access authentication on the monitoring client subsystem 11;
an application server subsystem 13, which is used for performing corresponding service logic processing according to the SIP signaling from the IMS core control part 12 and implementing a management function; and directly configure and manage the monitoring client subsystem 11 and/or the monitoring front-end subsystem 14.
The application server subsystem 13 can realize various management functions including user management, device allocation, authority management and system management, system operation and maintenance, and the like; the application server subsystem carries out service logic processing, which relates to PU/CU access, control signaling processing, video plan issuing, alarm processing, PU state change notification and the like.
Fig. 2 is a schematic structural diagram of the application server subsystem 13 of the present invention, and as shown in fig. 2, the application server subsystem 13 further includes: a service discovery function entity (SDF)131, a service selection function entity (SSF)132 and a service control function entity (SCF) 133; wherein,
a Service Discovery Function (SDF)131, configured to notify various terminals (UEs) accessing the Core IMS how to discover the network video monitoring service, after the UE successfully registers in the Core IMS, the UE subscribes to the SDF for the network video monitoring service, and after receiving the subscription request, the SDF returns Service Selection Function (SSF) information to the UE through a notification message.
A Service Selection Function (SSF)132, configured to provide various specific network video monitoring services for the user to select, for example, the user views and browses services such as monitoring point list information, warning information, and video file query that can be browsed by the user.
And the service control function entity (SCF) is used for realizing various service logic control functions of network video monitoring. Such as authority identification and control of the holder control request of the user.
A monitoring front terminal system 14, configured to collect, encode, and send monitoring information (such as audio, video, captured image, or alarm information); processing SIP signaling from an IMS core control part and replying; and outputting an alarm signal; and directly performing signaling interaction and code stream transmission with the monitoring client subsystem 11.
A media control and storage subsystem 15, which is used for forwarding, distributing, transcoding, storing, converting unicast into multicast, and the like of media; and providing streaming media services, such as streaming media upload, download, real-time play, and the like; and providing a search; and forwarding the media data from the monitoring client subsystem.
The interface in fig. 1 is explained below:
a1: an interface between the Core IMS 12 and the monitoring client subsystem 11, for handling registration, call control, status notification, alarm subscription notification, parameter query and configuration, cloud mirror control of the routing of these signaling between the Core IMS 12 and the CUs;
a2: an interface between the Core IMS 12 and the monitoring front end, configured to process a route of a session initiated by the PU, and route a signaling sent from another functional entity to the PU;
a3: an interface between the Core IMS 12 and the application service subsystem is used for processing an interactive signaling interface for processing service logic between the Core IMS 12 and the application service subsystem, a service request is directed to a specific AS through the Core IMS 12 to complete final processing of the service logic, and meanwhile, a processing result of the AS on the service is also returned to a request end through the Core IMS 12;
a4: the interface between the monitoring front terminal system 14 and the monitoring client subsystem 11 is used for directly connecting a signaling and a code stream between the monitoring front terminal system and the monitoring client subsystem;
a5: an interface between the application server subsystem 13 and the monitoring client subsystem 11, an interface for configuration and management of the CU by the AS; a CU acquires service related data, a list of monitoring points and an interface for data query;
a6: an interface between the application server subsystem 13 and the monitoring front-end subsystem 14, an interface for configuration and management of the AS to the PU;
a7: the interface between the media control and storage subsystem and the monitoring client subsystem 11 is used for requesting code stream, code stream issuing and media playing control;
a8: the interface between the media control and storage subsystem and the monitoring front-end subsystem 14 is used for media code stream request and media code stream transmission and control;
a9: an interface between the media control and storage subsystem and the application server subsystem 13, an interface for requesting a media service address, and scheduling management of the application server subsystem 13 for a media distribution part in the media control and storage subsystem;
in practical application, the IMS-based video monitoring system can be constructed according to the following principles:
the Core IMS Core network can provide service for the network video monitoring service by deploying or utilizing the existing IMS network;
an application server subsystem for network video monitoring service is established, which at least comprises a service discovery function entity (SDF), a service selection function entity (SSF) and a service control function entity (SCF). The interfaces between the SDF and the SCF and the Core IMS adopt ISC interfaces defined by IMS standards, and interface protocols comprise SIP/SDP;
the media control and storage subsystem for establishing video monitoring at least comprises a media storage function, a media distribution function, a media management and retrieval function and a streaming media service providing function. The aforementioned application server subsystem may schedule the media control and storage subsystem, request and obtain the media service address. An SIP message interface is adopted between the media control and storage subsystem and the application service subsystem;
and establishing a video monitoring front terminal system which at least comprises an audio and video acquisition function, an audio and video coding function, a media transmission function, an alarm information acquisition function and an alarm event processing function. The PU subsystem can register to the AS subsystem through the Core IMS and acquire service from the AS subsystem; the PU subsystem can make a request and play control of a media code stream to the MCSU subsystem and acquire the code stream;
and a video monitoring client subsystem is established to provide a user interface of video monitoring service, and the CU subsystem can make a request and play control of a media code stream to the MCSU subsystem and acquire the code stream. It follows the Gm interface in IMS with Core IMS, the interface protocol including SIP/SDP. The CU subsystem can register to the AS subsystem through the Core IMS and acquire service from the AS subsystem; after a monitoring Client (CU) is successfully registered to a Core IMS, subscribing a video monitoring service to an SDF (service description framework) through an SIP (session initiation protocol) message, and returning specific Service Selection Function (SSF) information to the SDF through the SIP message by the SDF;
the monitoring Client (CU) and the monitoring front end (PU) are both used AS User Equipment (UE) in the Core IMS, a specific video monitoring service is selected through a service selection function entity (SSF) of the AS, and an HTTP interface protocol is adopted by interfaces between the CU and the PU and the service selection function entity (SSF). And the CUs and the PUs adopt SIP/RTSP/RTP interface protocol with a media control and storage subsystem (MCSU).
Fig. 3 is a schematic flow chart of an IMS-based video monitoring method according to the present invention, as shown in fig. 3, the method includes:
step 301: the monitoring client subsystem generates a corresponding SIP signaling according to the user operation, and sends the SIP signaling to the application server subsystem through the IMS core control part 12.
Step 302: the application server subsystem performs corresponding service logic processing according to the received SIP signaling, and in the service logic processing process, the IMS core control part 12 is responsible for performing SIP signaling routing and forwarding among the monitoring client subsystem, the application server subsystem and the monitoring front-end subsystem, and establishing/dismantling corresponding sessions.
The application server subsystem may perform corresponding service logic processing according to the SIP signaling from the IMS core control part 12, for example: the application server subsystem informs the media control and storage subsystem to forward, distribute, transcode, store or unicast to multicast the media from the monitoring front-end subsystem and provide streaming media service, and correspondingly, the monitoring client subsystem displays the media from the media control and storage subsystem to the user.
Step 303: the monitoring client subsystem displays corresponding information to the user according to the SIP signaling from the IMS core control section 12.
Preferably, the method further comprises: when the monitoring client subsystem is accessed, the IMS core control part performs access authentication on the monitoring client subsystem.
Preferably, the method further comprises: the application server subsystem directly configures and manages the monitoring client subsystem and/or the monitoring front-end subsystem.
Preferably, the method further comprises: the monitoring front terminal system directly performs signaling interaction and code stream transmission with the monitoring client subsystem.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (10)
1. A video surveillance system based on an IP multimedia subsystem, IMS, the system comprising: the system comprises a monitoring client subsystem, an IMS core control part, an application server subsystem and a monitoring front-end subsystem; wherein,
the monitoring client subsystem is used for generating a corresponding SIP signaling according to user operation and sending the SIP signaling to the application server subsystem through the IMS core control part; and according to SIP signaling from IMS core control part, showing the corresponding information to the user;
the application server subsystem is used for carrying out corresponding service logic processing according to the SIP signaling from the IMS core control part;
the IMS core control part is used for carrying out the routing and forwarding of SIP signaling and the establishment/removal of corresponding sessions among the monitoring client subsystem, the application server subsystem and the monitoring front-end subsystem in the service logic processing process;
the monitoring front terminal system is used for collecting, coding and sending monitoring information; and processing SIP signaling from the IMS core control part and replying.
2. The system of claim 1, further comprising a media control and storage subsystem for forwarding, distributing, transcoding, storing or unicast-to-multicast of media from the monitoring front-end subsystem upon notification by the application server subsystem; and providing a streaming media service; and forwarding the media data from the monitoring client sub-system,
the monitoring client subsystem is also used for displaying media from the media control and storage subsystem to a user; and sending the media to the media control and storage subsystem according to the user operation.
3. The system according to claim 1 or 2,
the IMS core control part is also used for performing access authentication on the monitoring client subsystem when the monitoring client subsystem is accessed.
4. The system according to claim 1 or 2,
and the application server subsystem is also used for directly configuring and managing the monitoring client subsystem and/or the monitoring front-end subsystem.
5. The system of claim 1 or 2,
the monitoring front-end subsystem is also used for directly carrying out signaling interaction and code stream transmission with the monitoring client subsystem.
6. An IMS-based video monitoring method is characterized by comprising the following steps:
the monitoring client subsystem generates a corresponding SIP signaling according to user operation and sends the SIP signaling to the application server subsystem through an IMS core control part;
the application server subsystem carries out corresponding service logic processing according to the SIP signaling from the IMS core control part, and in the service logic processing process, the IMS core control part is responsible for carrying out the routing and forwarding of the SIP signaling among the monitoring client subsystem, the application server subsystem and the monitoring front-end subsystem and establishing/dismantling corresponding sessions;
and the monitoring client subsystem displays corresponding information to the user according to the SIP signaling from the IMS core control part.
7. The method of claim 6, wherein the application server subsystem performs corresponding service logic processing according to the SIP signaling from the IMS core control part as follows: the application server subsystem informs the media control and storage subsystem to forward, distribute, transcode, store, or unicast to multicast the media from the monitoring front-end subsystem, and to provide streaming media services,
the method further comprises the following steps: the monitoring client subsystem presents media from the media control and storage subsystem to the user.
8. The method of claim 6 or 7, further comprising: when the monitoring client subsystem is accessed, the IMS core control part performs access authentication on the monitoring client subsystem.
9. The method of claim 6 or 7, further comprising: the application server subsystem directly configures and manages the monitoring client subsystem and/or the monitoring front-end subsystem.
10. The method of claim 6 or 7, further comprising: the monitoring front terminal system directly performs signaling interaction and code stream transmission with the monitoring client subsystem.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010265084.3A CN102377987B (en) | 2010-08-20 | 2010-08-20 | A kind of video monitoring system based on IMS and method |
| PCT/CN2011/078465 WO2012022252A1 (en) | 2010-08-20 | 2011-08-16 | System and method for video monitoring based on ims |
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| CN201010265084.3A CN102377987B (en) | 2010-08-20 | 2010-08-20 | A kind of video monitoring system based on IMS and method |
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| CN102377987B CN102377987B (en) | 2016-09-28 |
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| CN103929623A (en) * | 2014-04-29 | 2014-07-16 | 浙江宇视科技有限公司 | Method for processing video data in video monitoring system |
| CN108270995A (en) * | 2017-01-03 | 2018-07-10 | 中国移动通信有限公司研究院 | Communication means and system between a kind of terminal and video monitoring equipment |
| CN116074189A (en) * | 2023-02-16 | 2023-05-05 | 重庆米帕斯科技有限公司 | Device, system and method for monitoring and alarming voice routing abnormality |
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| CN103327374B (en) * | 2012-10-26 | 2018-08-21 | 南京中兴软件有限责任公司 | A kind of monitoring method and network television-set top-set-box |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103929623A (en) * | 2014-04-29 | 2014-07-16 | 浙江宇视科技有限公司 | Method for processing video data in video monitoring system |
| CN103929623B (en) * | 2014-04-29 | 2017-06-16 | 浙江宇视科技有限公司 | Video data handling procedure in a kind of video monitoring system |
| CN108270995A (en) * | 2017-01-03 | 2018-07-10 | 中国移动通信有限公司研究院 | Communication means and system between a kind of terminal and video monitoring equipment |
| CN116074189A (en) * | 2023-02-16 | 2023-05-05 | 重庆米帕斯科技有限公司 | Device, system and method for monitoring and alarming voice routing abnormality |
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| CN102377987B (en) | 2016-09-28 |
| WO2012022252A1 (en) | 2012-02-23 |
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