CN103577435A - System and method for collecting heterogeneous traffic information - Google Patents
System and method for collecting heterogeneous traffic information Download PDFInfo
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- CN103577435A CN103577435A CN201210264385.3A CN201210264385A CN103577435A CN 103577435 A CN103577435 A CN 103577435A CN 201210264385 A CN201210264385 A CN 201210264385A CN 103577435 A CN103577435 A CN 103577435A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
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Abstract
The invention discloses a system and a method for collecting heterogeneous traffic information. The system is formed by multiple access nodes of heterogeneous traffic information and with IPs (internet protocols) connected, distribution and storage of standard traffic data among the access nodes are realized through a network, the system is composed of computer equipment, an operating system and an access software subsystem and arranged to be a Windows or Linux operation system according to needs, the access software subsystem is composed of an access container, a source data adapter, a data distributor and a cross-platform adaptation layer, and the source data adapter is responsible for preprocessing and analyzing specific source traffic data, extracting target data and invoking the data distributor to structure and distribute the standard traffic information. By the system and the method, standardized, cross-platform and unified collection access of the heterogeneous traffic information is realized.
Description
Technical field:
The present invention relates to field of information processing, and particularly ITS Information process field, relates in particular to the system and method that a kind of isomery transport information converges.
Background technology:
Intelligent transportation system (ITS) is to apply to traffic above-ground management by advanced infotech, data communication technology, Electronic transducer technology and computing machine treatment technology etc. are effectively integrated, in real time, comprehensive traffic management system accurately and efficiently.
Along with the development of computer technology and automatic control technology, intelligent transportation starts to information-based, intelligent direction development.Be embodied in: the networking control that realizes traffic signal control system, according to the magnitude of traffic flow and resource, timing scheme is provided, carry out real-time dynamic traffic distribution, for traveler is selected the best route of exercising, utilize GPS (GPS), electronic map system, vehicle is carried out to navigator fix, realize traffic guidance.For improving urban road, pass through and the efficiency of management, constituent parts has all been built a considerable amount of infosystems successively.
But the formation of intelligent transportation system is complicated, faces the distinct device unification of different equipment Ye, different vendors is converged to a difficult problem that is linked into intelligent transportation system.Each phase not of different manufacturer's communications protocol, data layout.The data of dissimilar equipment also need to do pre-service, are converted to unified standard traffic data, could conveniently process, and such as needs, decoding video stream, identification just can be extracted to the information such as car plate.The software development kit that large number quipments can only provide based on manufacturer (SDK) is developed at specific platform, for example: the SDK of a lot of sensors, video monitoring equipment can only be in the particular version system works of WINDOWS (the graphical commercial operation system that MS provides); And some equipment SDK can only be in Linux (the widely used network operating system of increasing income) system works; Linux is used as the webserver in a large number, is more suitable for the structure of large-scale distributed network.
Objectively, the distinct device data of the cross-platform isomery transport information unified access method ，Ke Jiang of needs different vendor are converted to intelligent transportation data unified, standard.
Summary of the invention:
For the distinct device of different vendor being converged to the demand of access, the object of this invention is to provide the standardization of isomery transport information, the cross-platform system and method converging.
The present invention is achieved in that the system and method that a kind of isomery transport information converges, and comprises following main process and step:
Described isomery transport information collecting system, by the access node formation of a plurality of isomery transport information that are connected by internet protocol (IP) network, distributes and storage standards traffic data by IP network between access node.
Access node: formed by computer equipment, operating system, access software subsystem;
Operating system: the module that operates in windows platform for restriction is deployed as Windows operating system, and the module that operates in Linux for restriction is deployed as (SuSE) Linux OS;
Access software subsystem:
By " access container ", 1 to a plurality of " source data adapters ", and " data distributor ", " cross-platform adaptation layer " forms;
Access container: be responsible for loading and managed source data adapter unit;
Cross-platform adaptation layer: mainly by " dynamic base administration module ", " network communication module " forms;
Dynamic base administration module: obtain these API and encapsulate based on dynamic base loading, dynamic base release, function address;
Network communication module: encapsulate based on socket (socket) serial application routine interface.
Data distributor:
For the processing module of standard traffic data, give information and create interface, message constructing interface, message transmission interface;
The external communication of cross-platform network communication interface that communication module Network Based provides, distributes and stores;
Source data adapter:
By source data load module, source system data analysis module, data normalization module composition, it is the executive agent that traffic source data converges access process;
To access container, provide unified external interface: create interface, destroy interface, control interface;
For the dynamic base of standard unified interface, at windows platform, for being compiled as dynamic base (DLL) file, Linux platform is compiled as shared library (SO) file, for access container dynamic load;
Basic content at least comprises Adapter ID (sign), the example of data distributor, and these import into by parameter by accessing when container is written into this adapter;
Traffic source data converges access process:
Step 1: source data load module, by the equipment interface that SDK provides of being correlated with, receives the source data from physical equipment, then source data is imported into source system data analysis module;
Step 2: source system data analysis module, the parsing of being correlated with according to the type of data, processing, identification, analysis operation, obtain target data, and target data is sent into data standard module;
Step 3: data normalization module, the message establishing of calling data distributor, message constructing interface carry out the structure of standard traffic data, unify distribution by data distributor.
Accompanying drawing explanation:
Below in conjunction with accompanying drawing, the present invention is described in detail.
Fig. 1 is the system construction drawing that transport information converges
Fig. 2 is access software subsystem structure figure
Fig. 3 is data distributor structural drawing
Fig. 4 is source data adapter structure figure
Fig. 5 is the data processing sequential chart of source data adapter
Embodiment:
The present invention is by a plurality of by " access container ", and the transport information access node that " source data adapter " forms, forms isomery transport information collecting system, realizes the standardization of isomery transport information, cross-platform, unified converging.
The transport information collecting system of the present invention's structure as shown in Figure 1, consists of a plurality of isomery transport information access nodes that are connected by IP.Access node is deployed as Windows or (SuSE) Linux OS as required, passes through network outputting standard traffic data between node.
Access node, consists of computer equipment, operating system, access software subsystem.
As shown in Figure 2, by " access container ", 1 to a plurality of " source data adapters " for access software subsystem, and " data distributor ", " cross-platform adaptation layer " forms.
Access container: be responsible for loading and the source data adapter that regulates the traffic.
Cross-platform adaptation layer: by " dynamic base administration module ", " network communication module " forms.
Dynamic base administration module, at windows platform, based on loading dynamic base (LoadLibraryEx), release dynamics storehouse (FreeLibrary), obtains interface IP address (GetProcAddress) encapsulation.Linux platform is based on loading dynamic base (dlopen), and release dynamics storehouse (dlclose), obtains interface IP address (dlsym) encapsulation.
Network communication module, encapsulates based on socket (socket) series A PI.
Data distributor as shown in Figure 3, is the processing module of standard traffic data, gives information and creates interface, message constructing interface, message transmission interface.The external communication of cross-platform network communication interface that communication module Network Based provides, distributes and stores.
Source data adapter as shown in Figure 4, by source data load module, source system data analysis module, data normalization module composition; For the dynamic base of standard interface, at windows platform, be dynamic base (DLL) file, Linux platform is compiled as shared library (SO) file, access container dynamic load; Basic content at least comprises Adapter ID (sign), the example of data distributor, these when accessing container and be written into this adapter by importing into; To access container, provide unified interface: create interface, destroy interface, control interface.
The data handling procedure of source data adapter is as shown in Figure 5:
Step 1: source data load module, by the equipment interface that SDK provides of being correlated with, receives the source data from physical equipment.Then source data is imported into source system data analysis module.
Step 2: source system data analysis module, the parsing of being correlated with according to the type of data, processing, identification, analysis operation, obtain target data, target data is sent into data standard module, for example the car plate based on video identification extracts adapter: (now video flowing should be decoded, obtain image, then image is analyzed and identified, obtain license board information);
Step 3: data normalization module, call the message establishing of traffic data distributor, the structure that message constructing interface carries out standard traffic data, by traffic data distributor, unify distribution.
Claims (5)
1. the present invention is achieved in that the system and method that a kind of isomery transport information converges, and it is characterized in that, the method comprises the following steps:
Described isomery transport information collecting system, consists of the access node of a plurality of isomery transport information that are connected by IP network, between access node, by IP network, distributes and storage standards traffic data;
Access node: formed by computer equipment, operating system, access software subsystem;
Operating system: the module that operates in windows platform for restriction is deployed as Windows operating system, and the module that operates in Linux for restriction is deployed as (SuSE) Linux OS.
2. access software subsystem as claimed in claim 1:
By " access container ", 1 to a plurality of " source data adapters ", and " data distributor ", " cross-platform adaptation layer " forms;
Access container: be responsible for loading and managed source data adapter unit;
Cross-platform adaptation layer: mainly by " dynamic base administration module ", " network communication module " forms;
Dynamic base administration module: obtain these application programming interfaces encapsulation based on dynamic base loading, dynamic base release, function address;
Network communication module: encapsulate based on socket (socket) serial application routine interface.
3. data distributor as claimed in claim 2:
For the processing module of standard traffic data, give information and create interface, message constructing interface, message transmission interface.The external communication of cross-platform network communication interface that communication module Network Based provides, distributes and stores.
4. source data adapter as claimed in claim 2:
By source data load module, source system data analysis module, data normalization module composition, it is the executive agent that traffic source data converges access process;
To access container, provide unified external interface: create interface, destroy interface, control interface;
For the dynamic base of standard unified interface, at windows platform, for being compiled as dynamic base (DLL) file, Linux platform is compiled as shared library (SO) file, for access container dynamic load;
Basic content at least comprises the example of Adapter ID (sign), data distributor, and these import into by parameter by accessing when container is written into this adapter.
5. traffic source data as claimed in claim 4 converges access process:
Step 1: source data load module, by the equipment interface that SDK provides of being correlated with, receives the source data from physical equipment, then source data is imported into source system data analysis module;
Step 2: source system data analysis module, the parsing of being correlated with according to the type of data, processing, identification, analysis operation, obtain target data, and target data is sent into data standard module;
Step 3: data normalization module, the message establishing of calling data distributor, message constructing interface carry out the structure of standard traffic data, unify distribution by data distributor.
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| CN201210264385.3A CN103577435A (en) | 2012-07-27 | 2012-07-27 | System and method for collecting heterogeneous traffic information |
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| CN201210264385.3A CN103577435A (en) | 2012-07-27 | 2012-07-27 | System and method for collecting heterogeneous traffic information |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104660997A (en) * | 2015-02-12 | 2015-05-27 | 江苏物联网研究发展中心 | Service oriented multi-source heterogeneous video surveillance adaptation method and system |
| CN111047419A (en) * | 2019-12-31 | 2020-04-21 | 广州探途天下科技有限公司 | Vehicle type standardization method and related device |
| CN113742002A (en) * | 2021-09-10 | 2021-12-03 | 上海达梦数据库有限公司 | Method, device, equipment and storage medium for acquiring dependency relationship of dynamic library |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104660997A (en) * | 2015-02-12 | 2015-05-27 | 江苏物联网研究发展中心 | Service oriented multi-source heterogeneous video surveillance adaptation method and system |
| CN104660997B (en) * | 2015-02-12 | 2018-09-04 | 江苏中科羿链通信技术有限公司 | Service-oriented multi-source heterogeneous video monitoring adaptation method and system |
| CN111047419A (en) * | 2019-12-31 | 2020-04-21 | 广州探途天下科技有限公司 | Vehicle type standardization method and related device |
| CN113742002A (en) * | 2021-09-10 | 2021-12-03 | 上海达梦数据库有限公司 | Method, device, equipment and storage medium for acquiring dependency relationship of dynamic library |
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