On April 13, 2015, the "Opinions on Strengthening the Construction of Public Security Prevention and Control System" issued by the General Office of the CPC Central Committee and the General Office of the State Council proposed to integrate social security prevention and control information into the overall plan for smart city construction and make full use of the new generation Internet. , Internet of Things, big data, cloud computing and smart sensing, remote sensing, satellite positioning, geographic information systems and other technologies, innovative social security prevention and control measures, improve the level of digital security, network, and intelligence of public safety management, and create a batch of organic integration Demonstration project. Under the premise of ensuring information security and protecting the legitimate rights and interests of citizens, the degree of system interconnection, information exchange and resource sharing will be improved. Strengthen the in-depth integration and application of information resources, and fully utilize modern information technology to enhance the ability to actively prevent and combat crime.
Protecting citizens' safety is the primary responsibility of the public security department, and the application of video is the core means of urban public safety management. However, compared with the application of other public security services and data, the current investment in video image system construction is large, but because of The lack of top-level planning and design is constrained by the development level of network resources and video image information technology. At present, the overall application level of public security and social video image information is still relatively low, which cannot meet the requirements of large-scale application and big data processing. It is not closely integrated with the business work and business data of various police types, and cannot meet the needs of modern police work and the needs of other departments and the public for video applications.
In recent years, with the rapid development of urban construction, the population and scale have expanded rapidly, and the urban structure has become more complicated. At the same time, the public security business has been continuously refined, and the coverage, functions, and business structure of the entire social management monitoring and alarm system have been proposed. The requirements of big, higher and more comprehensive, especially in the context of the big data strategy, video as the most important sensory data in the city, how to better serve public security, we need to start from the perspective of the whole city, Video resources are “comprehensive planning, unified integration, comprehensive management, and in-depth applicationâ€.
Based on this, we believe that the Safe City solution has the following three development trends:
Trend 1: Use face technology to build “Portrait Skynet†and improve the three-dimensional prevention and control systemAt present, face recognition technology has been widely used in various industries, such as: financial VIP customer visitor system, remote account opening system; building face access control, face attendance system; Internet mobile payment terminal, dating, blindness terminal APP system; industrial / civil intelligence Robot products, etc. The most widely used and leading face recognition technology is the public security field. At present, many local public security departments have created a number of business applications and special rectification activities through the face recognition system combined with the actual application requirements of local police services.
The actual combat needs of the police can be roughly divided into the requirements for the judgment of the car, the person, and the object. Nowadays, the development of technology, the public security has basically solved the basic needs of the license plate inspection and control, and instead requested to solve the deep application requirements of the upper technical warfare method such as the fake deck, the first entry into the city, and the vehicle feature recognition; the current technology is limited to the investigation, Loss, movement and other preliminary applications still lack the deep wisdom application of objects; the demand for people is more extensive, from the color, direction, speed to the requirements of body, expression, gait, among which the most popular and most promising is Face recognition application. In recent years, face recognition has been “quietly†applied in the public security industry, and has been successfully systematized, applied, and practical.
Public security face recognition applications are generally divided into three types: 1 is to realize real-time warning of “concern†personnel, continuously collect video through video surveillance front end, and the back end uses face recognition technology as the core to conduct “concern†personnel comparison and pass The alarm method informs the on-site police officers to carry out the target arrest. 2 is to realize the verification of the identity of the personnel in the event and after the event. The back-end system needs to “tag†the massive second-generation ID card library, upload the target face image through the police intelligent terminal or system, and the back-end from the massive second-generation ID card. Look for matching ID card images in the library and give the associated identity information. 3 is to achieve the verification of personnel identity, that is, through the face recognition technology to achieve the identification of the person with the identity card and the identity card, the examination of the identity of the person.
In the current public security business, face recognition technology has been covered, including entry and exit management, household registration check, and human witness verification. However, this is still limited to the case where the image quality is controllable. In the video surveillance scene where the public security application is more widely used, the posture, expression, and illumination of the person are greatly changed. In order to better adapt to the public security scene, relying on a single technology and a product is far from meeting the needs of the public security. It is necessary to adapt the requirements of the public security scene through the overall program to meet different business needs.
Trend 2: The “view cloud†construction mode in which the “infrastructure†of the background is shifted from the traditional “chimneyâ€In order to adapt to the needs of a wider range of higher-level video-aware data sharing applications, the transformation from “front-end volume†to “background quality†is necessary. It is necessary for local public security bureaus to construct a unified public security view cloud center, with a focus on the view. The integration, sharing, analysis and application of resources are the fundamental starting points, reducing duplication of investment, improving the operational efficiency of resources, and reducing the operating costs of visual services in various police departments.
The core idea of ​​public security "view cloud" system construction: based on cloud computing, big data, pattern recognition, Internet of Things, mobile visual internet, video service Internet + and other new technologies, based on application services, create a whole set of wisdom The "view cloud" platform meets the requirements of information structure processing such as collection, integration, storage, sharing, mining, and judgment of massive view data, achieving information security assurance, unified operation and maintenance management of the platform, and high reliability operation requirements of the system. .
At the same time, the concept of “resource sharing, data sharing, application sharing, and service sharing†was implanted into the platform construction, and “post-event passive investigation†was transformed into “pre-active prevention and controlâ€, leading to new changes in the police mechanism, thereby enhancing Guiyang in an all-round way. The public security organs maintain the ability of social harmony and stability, and finally achieve the goal of "safety and visualization of the safe and yang".
The overall logical structure is shown in the figure above. The view cloud platform consists of a three-tier standard model of cloud computing. The IAAS layer consists of a cloud storage infrastructure and a cloud computing infrastructure, providing basic storage and computing resources. The PAAS layer is based on view data (video images, related files, etc.). The big data platform consists of a view big data service; the SAAS layer consists of a public security view business system that provides business functions for end users. The view service operation and maintenance system provides end-to-end operation and maintenance services for systems such as front-end video points of the view cloud platform.
Gradually form a rich view cloud application with public security characteristics and meeting the needs of public security video image services, providing on-demand view cloud services for the whole police, providing powerful computing and storage for the public security massive view structured analysis description and view big data application. Flexible expansion capability. At the same time, it integrates the video image resources of all aspects of the society and constructs the social data foundation of the deep application of the view--focusing on public security video data, traffic police video data, city alarm data, urban management, security, emergency, comprehensive management, campus, transportation, etc. Video data, social video data, social parking lot \ gas station \ community entrance and exit capture data of different industries. With the application of data governance and big data as the starting point, the “strip data†is “view block dataâ€, and the public security view business application mode is reconstructed--promoting the production, integration and sharing of view-aware data in public security and social fields. Fully control the diversified data information in the society and improve the effectiveness of data application. Structured analysis, full integration and centralized processing of video data across the network.
Trend 3: With the continuous development of software technology, from "single police application" to "full police application"The Safe City Software Platform is a large and complex application system platform. The types of data resources involved and the application systems of various departments are numerous. The top-level architecture must be able to integrate all information resources and various application systems in Safe City. System integration linkage and high data sharing.
The access layer is mainly responsible for the aggregation of various video image resources, including video sharing platforms, social monitoring platforms and other monitoring resources. The data layer mainly realizes that the point information is divided into three categories: basic information, location information, and construction information. The system automatically collects through the docking video platform and manually re-records to ensure the comprehensive, standardized and accurate point information. The service layer relies on the bus application service platform, and through the related interfaces provided, the service layer mainly provides basic support services for the upper layer application. At the same time, the access service and application service module set should be managed, including user management, device management, and log management. The application layer includes the basic library application and the actual application. The basic library application can associate all the video resources according to the application requirements with multi-dimensional and multi-attribute, and provide unified management and scheduling of video resources for various image application requirements of various police and departments. . The practical application mainly provides various video intelligent processing tools to help improve the video combat capability of public security business departments at all levels.
Among them, the video image information database system is deployed at the provincial, city and county levels of the video bearer network to realize the collection, storage and management of video image information in the video private network, and establish structured description information of key data in various places, and pass the level. Realize the convergence of video image information in provincial structured information, and synchronize the information to the public security network provincial video image actual combat library system through security boundaries, so that local public security organs can share information across regions and police types. In the upper-level actual business platform, the analysis of serial cases, image investigation, and state-of-the-art judgments are carried out more effectively.
The vehicle big data research and judgment system makes each car transparent. The vehicle big data application system collects vehicle data and pictures at the back end, and parallels the national public security business data, using the big data platform capability to the vehicle, the owner, and the relationship attribute. Construct a data relationship network for deep data mining, and screen high-risk vehicles for real-time early warning and push. On the other hand, the system uses a big data image processing engine to analyze massive port-passing pictures in real time, extract key information such as models, cars, and models, and form a structural description of the vehicle features, thereby realizing a large number of vehicle pictures. Use the multi-dimensional feature search vehicle to quickly locate the target vehicle without being affected by decks and fake cards.
The flat command and dispatch system "combined with vertical and horizontal, command unbounded", the execution of major security tasks and the handling of emergencies not only test the commander's command and dispatch level, the on-site execution of police officers, but also test the actuality of the command and dispatch system. . The flat command and dispatch solution builds a powerful command and dispatch platform with horizontal integration and vertical flattening, which makes the on-site control in the war more powerful, the instruction is issued more quickly, the information transmission is more complete, and the task execution is more efficient.
Intelligent real-time image detection system "quick detection and easy to use, cloud storage and wisdom", around the rapid detection of video and easy to use, based on the "cloud storage, cloud computing" architecture and "tooling" development concept, providing massive video At the same time, the image information library second-level retrieval service is to maximize the intelligent analysis and ease of use of the system, fully meet the needs of the police application of the public security video surveillance business, and provide important for realizing quick detection and breaking crimes. stand by.
Conclusion:With the joint essays on May 6 last year, “Several Opinions on Strengthening the Construction of Networked Applications for Public Security Video Surveillance Constructionâ€, the speed of the provincial video public security agencies to promote the current video surveillance networking, integration and application has been further accelerated. In the future, smart policing with the three-dimensional prevention and control system, view cloud, big data and practical application as the core has become a new trend of policing development. Based on the practical application needs of various functional departments of the public security, Dahua has introduced new technologies, adhered to the principle of “combat, practical and practicalâ€, assisted the public security organs throughout the country to drive innovation, and strived to improve the actual combat capability of the police, realize “machine substitution†and promote new types. Ping An City Solution System Construction.
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