KR20060104320A - Security monitoring system and method using the network camera - Google Patents

Abstract

The present invention installs network cameras in various places where security surveillance is required, and captures and collects images through the cameras, stores and manages them in a central server so that customers who want security surveillance anytime, anywhere through a communication network The present invention relates to a security surveillance system and method using a network camera that can perform a security surveillance by querying and analyzing.

The present invention provides a customized interface for each customer in providing a security surveillance system and method using a network camera, allowing customers to access a central server through a communication network such as the Internet anytime, anywhere, real-time video or past image of a desired place. Not only can easily be searched, but it can also provide enhanced security surveillance services such as detailed video analysis using video analysis tools along with tracking management in case of security incidents.

Network Camera, Security Surveillance, Encoder 12, Communication Network, File Server 22, Image Acquisition, Disk, Video Inquiry, Video Analysis

Description

Security Monitoring System And Method Using The Network Camera

1 is a diagram illustrating a security monitoring system using a network camera according to the present invention.

2 is a flowchart illustrating an operation of capturing, collecting, storing, and managing an image through a network camera in the security monitoring system according to the present invention.

Figure 3 is a flow chart for explaining the operation of the inquiry and analysis service for the image data stored and managed in the security monitoring system according to the present invention.

Explanation of symbols on the main parts of the drawings

10: network camera unit 11: the camera

12: encoder 20: video collector

21: network access equipment 22: file server

23: L4 switch 30: video data storage unit

31: Primary disk 32: Secondary disk

33: tape library 40: video data management unit

41: catalog server 42: archive server

43: DB server 50: video providing unit

51: Authentication and Management Server 52: Web Server

53: analytics server

The present invention relates to a security surveillance system, in particular, a network camera is installed in various places where security surveillance is required, and when a customer who wants security surveillance by capturing and collecting images through the camera and storing and managing them in a central server, The present invention relates to a security surveillance system and method using a network camera capable of performing security surveillance by searching and analyzing an image of a desired place through a communication network anywhere.

In general, security surveillance cameras are used in various places such as financial institutions, department stores, discount marts, construction sites, apartments, etc., which are installed in a closed circuit to monitor a certain number of cameras. It is installed on the monitor or monitors the video of several security surveillance cameras on one screen by dividing the screen of the monitor by using the video splitter.

However, this closed-circuit method requires a wired cable from the security monitoring monitor to the security surveillance site, that is, the security surveillance camera, so that security surveillance is possible only in a building or at a relatively short distance that can be connected by wire. There was a downside.

Thus, in the related art, as a method for compensating the above-mentioned disadvantages, a method of receiving and outputting the image on the monitor side by transmitting an image using wireless communication from a security surveillance camera has been used, which is more than the above-described closed circuit method. Security surveillance can be performed by installing a camera far away, but this method also has a disadvantage that it can only be within 2 ~ 3Km because of the limited distance.

In addition, conventionally, the use rate of a digital video recorder (DVR) instead of an analog video cassette recorder (VCR) is gradually increasing for video recording for security surveillance, and such a DVR system is a video camera. The video signal is processed digitally inside the digital video recorder, but as the analog video signal is transmitted between the video camera and the digital video recorder, the system must be connected one-to-one because of its characteristic unless there is a special frequency modulator. The total number of wires increases in proportion to the number of cameras installed, which results in an excessive increase in the total cost of construction including cables.

As described above, the conventional security surveillance camera system has a limited distance between the place where the camera is installed and the place where the monitor is installed for performing the security surveillance through the camera, so that the security surveillance is performed at a remote location. In addition, the DVR system has a problem that the integrated data management is impossible by managing the data image on the hard disk or optical disk of each device, and thus the difficulty of integrated management for users and inefficient for service providers. There was a problem of increasing costs through data management.

The present invention is to solve the problems as described above, the purpose is to install the network camera in each of the places that need security surveillance according to the customer's request, and then take and collect the image of the corresponding place through each network camera By storing and managing in the central image data storage unit 30 through a predetermined communication network and providing a customized interface for each customer, customers can access the central server through a communication network such as the Internet anytime, anywhere and at any time in a desired place. It is to make it easy to search video or past video, and to perform detailed video analysis by using video analysis tool along with tracking management in case of security incident.

It is another object of the present invention to provide a security surveillance service using a network camera that can store and manage digital images in comparison with a conventional closed circuit scheme, thereby increasing the cost of configuring a security surveillance system directly from an individual customer. To reduce the burden on users, make it easier to access and manage video at the desired place and time point, and to protect important video data from image damage and accidents (fire, flood, etc.) caused by intentional or natural factors. have.

It is still another object of the present invention to provide a centralized customized service for individual customers who request security surveillance services at different places by applying a large-scale investment and intensive technology from a service provider who provides security surveillance services. In addition to providing more efficient management than the application of distributed video data, it also enables customers to provide high quality security surveillance services at a lower price in terms of economies of scale. Based on this, the centralized image data can be managed cost effectively.

A feature of the present invention for solving the above object is, the network camera unit is installed in the security surveillance request site requested by the customer to take a real-time image of the location and transmit the image data through a predetermined communication network Wow; An image collecting unit which collects and stores image data of each security surveillance request location transmitted from the network camera unit through a communication network, and registers and processes OS meta information such as location information of the image data; An image data storage unit for storing image data of each security surveillance request location collected by the image collection unit; An image that performs cataloging on each image data stored in the image data storage unit, extracts and manages a key frame that is an image file for each main part or time zone, and performs disk movement storage management of each image data. A data management unit; When there is a video inquiry or analysis request from any customer connected through a communication network, a network camera including an image providing unit which accesses the image data storage unit through the image data management unit and provides the image inquiry and analysis service required by the customer. It is to implement the security surveillance system.

The network camera unit may include a camera installed at a security surveillance request location desired by a customer and photographing a real-time image of the location; And converting the real-time image photographed by the camera into a digital compressed image and transmitting the image data to the image collecting unit through a communication network connection modem.

The image collection unit may include: a network connection device for connecting a communication network connected to a network camera unit; At least one file server for storing image data transmitted from the network camera unit through a network access device and registering and processing OS meta information of the image data; And an L4 switch for performing load balancing on the file server in order to deliver each image data received through the network access device to a file server having a relatively low load.

The image data storage unit may further include: a primary disk configured to store image data of each security surveillance site collected by each file server of the image collection unit in a file form; A secondary disk on which the image data whose predetermined period has passed after being stored on the primary disk is moved and stored; And a tape library in which image data whose predetermined period has elapsed after being stored in the secondary disk is moved and stored.

Furthermore, the image data management unit is a solution that facilitates image retrieval by performing cataloging after loading image data stored in the primary disk of the image data storage unit. A cataloger server for generating a key frame that becomes an unknown file; An archive server for storing the image data on the backup media through a backup library to ensure the stability of the image data newly stored on the primary disk of the image data storage unit; And a DB server for storing and managing information such as an image photographing location and a camera ID, which are basic information about each image data stored in the image data storage unit, together with key frame information generated by the catalog server in a relation database system. Characterized in that.

The image providing unit may access an arbitrary customer terminal through a communication network, receive the customer ID and password, perform customer authentication, and provide a P2P program to the customer terminal to capture and collect images at a desired location of the customer. An authentication and management server that provides a real-time video search service for and performs billing processing for customers using a security surveillance service using a network camera; When any customer requests the past video search, the key frame and video file of the place and date desired by the customer are provided on the screen of the customer terminal by using the information registered in the DB server of the video data management unit, and the corresponding video data storage unit A web server providing a past image search service to access and load a desired image through a key frame to a customer; If any customer requires image analysis, access the image data storage unit through the DB server of the image data management unit and transmit it through the communication network so that the customer can download the desired image or catalog the target image through the analysis system. And an analysis server that provides a function for performing an image analysis task such as resetting a key frame, zooming in, zooming out, or editing an image.

According to another aspect of the present invention, there is provided a process of photographing a real-time image of a place by a network camera installed at each security surveillance request place at the request of an individual customer, and transmitting the image data through a predetermined communication network; Collecting and storing real-time image data of each security surveillance request place transmitted through the communication network in a central image collecting unit, and cataloging each image data to extract and manage key frames for each image data. Process; A network including a process of providing an inquiry and analysis service for a real-time video or a past video of a security surveillance request location stored and managed in the video data storage unit according to a video inquiry and analysis request of an individual customer connected through a communication network. To implement a security surveillance method using a camera.

Here, the process of photographing the real-time video and transmitting through the communication network, after installing the network camera connected to the communication network in places subject to security surveillance at the request of the individual customer to register the network camera And setting a video photographing method and a management method according to the requirements of the customer; And capturing a real-time image of the place from each network camera, converting the image into digital compressed image data through an encoder, and transmitting the same to the image collection unit through a modem and a communication network connected thereto.

The process of extracting and managing key frames for real-time image data of each security surveillance request location includes performing load balancing on file servers of an image collection unit in an L4 switch to establish a communication network and network access equipment from each network camera. Transmitting each image data received through the file server having a relatively low load; Storing real-time image data transmitted to the file server in an image data storage unit in the form of a file, and registering OS meta information such as location information of the image data stored in the image data storage unit; After loading the image data stored in the image data storage unit and performing a cataloging operation on the image data to generate a key frame that becomes an image file for each main part or time zone, the key frame information is added to the image data. And storing and managing the relational database in the relational database system.

In addition, the process of providing a video search and analysis service according to the needs of the individual customer, if any individual customer is connected through the communication network using the customer terminal to receive the customer ID and password to perform customer authentication Steps; In the case where the individual customer requesting the real-time video lookup is completed, providing a real-time video lookup service for providing a P2P program to the customer terminal through the communication network to view the video of the desired place in real time It is characterized by including.

In this case, when the individual customer who completes the customer authentication requests the previous video inquiry, after confirming the place and date for which the video reference is desired, providing a key frame and an image file of the location and date on the customer terminal screen; And accessing the image data storage unit and loading image data corresponding to a key frame selected by the individual customer to provide a past image search service to the individual customer. If the customer requires video analysis, check the location and date that the individual customer wants to analyze, and then transmit the corresponding video data to the customer terminal, or provide a video analysis service for the video through the analysis system. It is characterized by including.

Furthermore, the above-described security monitoring method using the network camera, further comprising the step of performing the billing process for the individual customer in the authentication and management server after providing the image inquiry or analysis service according to the request of the individual customer. It features.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

According to the present invention, a security camera network camera is installed in a place where security surveillance is required, such as a financial institution, a department store, a discount mart, a construction site, an apartment, etc. at the request of a customer, and the images captured by each network camera are predetermined. By receiving and transmitting through the communication network of the central server to allow customers to perform security surveillance while watching the image of the desired place over the Internet, such a security monitoring system is as shown in Figure 1 Has

That is, the security monitoring system using the network camera according to the present invention, as shown in Figure 1, is connected to the network camera unit 10, the network camera unit 10 and a predetermined communication network (for example, the Internet) An image collecting unit 20, an image data storage unit 30 storing image data collected by the image collecting unit 20, and an image data management unit stored in the image data storage unit 30. It has a configuration including a data management unit 40, and an image providing unit 50 for providing the image data stored in the image data storage unit 30 to the corresponding customer through the communication network.

The network camera unit 10 captures an image of a place (eg, a financial institution, a department store, a discount mart, a construction site, an apartment, etc.) for which the customer wants to monitor security, and records the image data through a predetermined communication network. The camera 11 is installed at the security surveillance site desired by the customer and records the real time image of the place, and the real time image captured by the camera 11 is digitally compressed (eg MPEG). And an encoder 12 for transmitting the video data to the video collection unit 20 through a predetermined network connection modem (for example, an ADSL modem).

The image collecting unit 20 collects image data transmitted from each network camera unit 10 connected through a communication network, stores the image data in the image data storage unit 30, and registers OS meta information such as location information of the image data. And a predetermined network connection device (router / ethernet switch / security device / backbone switch) 21 for network connection, and also stores actual image data and OS of the image data. At least one file server 22 that performs meta information registration and processing, and a file server 22 for transferring each image data received through the network connection equipment 21 to a file server 22 having a relatively low load. L4 switch 23 to perform load balancing (Load Balancing) for).

The image data storage unit 30 includes a primary disk 31 and a primary disk 31 in which image data of each place collected by each file server 22 of the image collector 20 is stored in a file form. The secondary disk 32 stores image data that has elapsed for a certain period of time (e.g., one week) after being stored in < RTI ID = 0.0 > and < / RTI > A tape library 33 is stored.

The image data management unit 40 performs cataloging on each image data stored in the image data storage unit 30 to extract and manage key-frames, and to move the disk of each image data. The storage management is performed. For this purpose, after the image data stored in the primary disk 31 of the image data storage unit 30 is loaded, a cataloging operation is performed to securely monitor the image. Secure the stability of newly stored image data on the catalog server 41 and the primary disk 31 of the image data storage unit 30, which generate key frames that become the main part of the image or time-phase image files. Each image data stored in the archive server 42 and the image data storage unit 30 for storing the image data on the backup media through the backup library for storing the image data. It includes a DB server 43 for storing and managing the information such as the image shooting location, the camera ID, and the like, which is the basic information about the information, together with the key frame information generated by the catalog server 41 in a relation database system. do.

The image providing unit 50 accesses the image data storage unit 30 through the image data management unit 40 when an image inquiry or analysis request is requested from any customer connected through a predetermined communication network, and the image inquiry requested by the customer. And it provides a service for analysis, for this purpose, by connecting to any customer terminal through the communication network and receives the customer ID and password to perform customer authentication, and provide a P2P program to the customer terminal at the customer's desired place An authentication and management server 51 that provides a real-time video inquiry service for captured and collected images, and performs billing processing for customers who use a security surveillance service using a network camera, and an arbitrary customer requests a historical video inquiry. When the customer wants by using the information registered in the DB server 43 of the image data management unit 40 It provides a video frame of the past and the date by providing a key frame and image file of the location and date on the screen of the customer terminal, and accessing the corresponding image data storage unit 30 so that the customer can load and watch a desired image through the key frame. If the web server 52 and any customer request image analysis, the image data storage unit 30 is accessed through the DB server 43 of the image data management unit 40 to download the desired image. Image analysis tasks such as cataloging and resetting keyframes, zoom-in, zoom-out, and image editing (Filtering, Sharpening, etc.) It includes an analysis server 53 that provides a function to perform the.

Meanwhile, in the present invention, the security surveillance system using a network camera is a place where security surveillance is required, for example, a place where a CD / ATM device of a financial institution is installed, a department store, a retailer such as a discount mart, a construction site of a construction company, an entrance to an apartment. It is a system that can be operated in a parking lot, etc., considering that the cost of implementing a security surveillance system by an individual company is high, the service provider installs the network cameras 11 in the above-mentioned places, and the network cameras ( 11) By storing and managing the image taken through the central image data storage unit 30, and providing a customizable interface (Customizing Interface) for each customer of the individual company, at any time, anywhere through a communication network such as the Internet server View and analyze live video or past video of the place to be monitored There is a security monitoring service that can be provided, when describing the operation of the surveillance system as follows:

First, an operation of capturing and collecting an image through a network camera and storing and managing the image in a central server will be described in detail with reference to FIG. 2.

When a customer of any individual company requests a security surveillance service, a security surveillance service registration procedure is first performed for the customer. For this purpose, a camera 11 and an encoder 12 are installed in places to be monitored. In addition, a predetermined network connection modem such as an ADSL modem is connected to the encoder 12. After the network camera installation and communication network connection are completed, the network camera can be recognized by the central image collection unit 20. The registration operation is performed so as to set the image capturing method and management method according to the requirements of the customer (step S21).

After completing the security surveillance service registration process of the customer, the network camera 11 installed in each place requested by the customer to perform the procedure of collecting and storing the image, that is, the customer For example, when a camera 11 installed at a financial institution, a department store, a discount mart, a construction site, an apartment, or the like captures a real-time image of the place, the encoder 12 encodes the real-time image captured by the camera 11. After converting the digital compressed image data such as -4 and the like, the image data is transmitted to the image collection unit 20 through a modem and a communication network connected thereto using the encoder 12 transmission application (step S22).

In this case, the image data transmitted to the image collecting unit 20 through the communication network is first received by the L4 switch 23 through the predetermined network connection equipment 21, the L4 switch 23 of the image collecting unit 20 Load balancing is performed on the file servers 22 to transfer the image data received through the network access equipment 21 to the file server 22 having a relatively small load (step S23). The file server 22 of the image 20 stores the image data transferred to the video data, that is, the real-time image data captured and collected by the network camera 11 at a place where the customer wants to monitor security in the form of a file. It is stored in the primary disk 31 of the, at this time, the OS meta information such as the location information of the image data stored in the primary disk 31 of the image data storage unit 30 is registered and processed, and each file The server 22 has the same information It is used for file sharing solution to ring (step S24).

In addition, after storing the real-time image data in the image data storage unit 30, the cataloging operation is performed to facilitate the search for the image data to generate and manage key frames. For this, the image data management unit 40 The catalog server 41 loads the image data stored in the primary disk 31 of the image data storage unit 30 and then performs a cataloging operation on the image data. A key frame is generated (step S25). After generating a key frame of the image data in this way, the DB server 43 provides information such as an image photographing location, a camera ID, etc., which are basic information about the image data. The keyframe information generated by the cataloger server 41 is stored and managed in the relation database system (step S26).

Furthermore, in the present invention, the archive server 42 of the image data management unit 40 stores the image data through a backup library in order to ensure the stability of the image data newly stored on the primary disk 31 of the image data storage unit 30. Is stored in the backup media, and the image data after a certain period of time, for example, one week has elapsed after being stored on the primary disk 31, is moved to the secondary disk 32 for storage, and the secondary disk 32 ), After a certain period of time, for example, one month has elapsed, is stored in the tape library 33 to be stored and managed. Thereafter, the image data stored in the tape library 33 is incinerated after a certain period of time, for example, one month has elapsed, and the customer receives a certain fee and stores it for a corresponding period.

On the other hand, in the state of storing and managing the image data collected by the network camera according to the above-described procedure, the query and analysis service operation for the image data will be described with reference to FIG. same.

When any customer connects to the image providing unit 50 through a predetermined communication network using his or her client terminal, the authentication and management server 51 of the image providing unit 50 provides the ID and password of the currently connected customer. Is inputted to perform customer authentication (step S31).

When it is confirmed that the customer is a normal customer registered in the security monitoring service, the authentication and management server 51 checks whether the customer requests real-time video inquiry or a past video inquiry (step S32). When a real-time video inquiry is required, a real-time video inquiry service is provided to allow a customer to search an image of a desired place in real time by providing a P2P program to the customer terminal through a communication network (step S33).

In addition, when a customer requests a past video search, the web server 52 of the video providing unit 50 checks a location and a date for which the customer wants to search the video, and then the DB server 43 of the video data management unit 40. By using the information registered in the customer to provide the key frame and the image file of the desired place and date on the customer terminal screen (step S34), and subsequently access the image data storage unit 30, the key selected by the customer By loading an image corresponding to the frame and providing the image on the screen of the customer terminal, the past image inquiry service is provided to the customer (step S35).

In this way, after providing a real-time video inquiry service or a past video inquiry service to any customer, the authentication and management server 51 of the image providing unit 50 charges the video inquiry service customer (eg, for each camera). Use cost, media storage cost, etc.) (step S36).

Furthermore, in the present invention, when the customer registered in the security monitoring service requires image analysis, the analysis server 53 of the image providing unit 50 confirms the place and date that the customer wants to analyze the image, and then the image. Access the image data storage unit 30 through the DB server 43 of the data management unit 40 to transmit the image data that the customer wants to analyze to the corresponding customer terminal through a communication network, or to the corresponding image through the analysis system By providing functions such as cataloging and key frame resetting, zoom-in, zoom-out, and image editing, a predetermined video analysis service is provided, and after providing the video analysis service, the authentication and management server 51 provides the video. The billing process (eg, CD / DVD production cost, analysis system provision cost, etc.) for the analysis service customer will be performed.

In addition, the embodiments according to the present invention are not limited to the above-described embodiments, and various alternatives, modifications, and changes can be made within the scope apparent to those skilled in the art.

As described above, the present invention requires security monitoring such as a place where a CD / ATM device of a financial institution is installed, a department store, a retailer such as a discount mart, a construction site of a construction company, an entrance to an apartment or a parking lot, etc. After installing the network cameras in the places, the network cameras capture and collect images of the places through the network cameras, and store and manage them in the central image data storage unit 30 through a predetermined communication network. This enables customers to easily access real-time or past images of a desired place by connecting to a central server through a communication network such as the Internet anytime, anywhere, as well as using detailed video analysis tools along with tracking management in case of security incidents. It can provide better security surveillance services such as video analysis. It becomes.

According to the present invention, by providing a security surveillance service using a network camera, it is possible to integrate, store and manage digital images in comparison with a conventional closed circuit scheme, thereby increasing the cost of configuring a security surveillance system directly from an individual customer's point of view. In addition to reducing the burden on users, it is easy to access and manage video at the desired place and time point, and also to protect important video data from image damage and accidents (fire, flood, etc.) caused by intentional or natural factors. do.

In addition, the present invention is distributed by providing a centralized customized service for individual customers requesting security surveillance services in different places by applying a large-scale concentrated investment and concentrated technology from the service provider providing security surveillance services, In addition to more efficient management of video data, it is possible to provide customers with high-quality security surveillance services at a lower price in terms of economies of scale, and based on data life-cycle management (DLM) Image data can be managed cost-effectively.

Claims (13)

A network camera unit installed at a security surveillance request place requested by a customer to capture a real-time image of the place and transmit the image data through a predetermined communication network; An image collecting unit which collects and stores image data of each security surveillance request location transmitted from the network camera unit through a communication network, and registers and processes OS meta information such as location information of the image data; An image data storage unit for storing image data of each security surveillance request location collected by the image collection unit; An image that performs cataloging on each image data stored in the image data storage unit, extracts and manages a key frame that is an image file for each main part or time zone, and performs disk movement storage management of each image data. A data management unit; And a video providing unit that provides a video inquiry and analysis service requested by a customer by accessing the video data storage unit through the video data management unit when there is a video inquiry or analysis request from an arbitrary customer connected through a communication network. Security surveillance system using a network camera. The method of claim 1, The network camera unit includes a camera installed at a security surveillance request location desired by a customer to capture a real-time image of the location; And converting the real-time image photographed by the camera into a digital compressed image and transmitting the image data to the image collecting unit through a communication network connection modem. The method of claim 1, The image collecting unit includes a network connection device for communication network connection with the network camera unit; At least one file server for storing image data transmitted from the network camera unit through a network access device and registering and processing OS meta information of the image data; And an L4 switch for performing load balancing on the file server to transfer each image data received through the network access device to a file server having a relatively low load. The method of claim 1, The image data storage unit may include: a primary disk storing image data of each security surveillance site collected by each file server of the image collection unit in a file form; A secondary disk on which the image data whose predetermined period has passed after being stored on the primary disk is moved and stored; And a tape library in which the image data whose predetermined period has elapsed after being stored in the secondary disk is moved and stored. The method of claim 1, The image data management unit is a solution for facilitating image retrieval by performing a cataloging operation after loading image data stored in the primary disk of the image data storage unit. A catalog server for generating a key frame; An archive server for storing the image data on the backup media through a backup library to ensure the stability of the image data newly stored on the primary disk of the image data storage unit; And a DB server for storing and managing information such as an image photographing location and a camera ID, which are basic information about each image data stored in the image data storage unit, together with key frame information generated by the catalog server in a relation database system. Security surveillance system using a network camera, characterized in that. The method of claim 1, The image providing unit may be connected to an arbitrary customer terminal through a communication network to receive the customer ID and password, perform customer authentication, and provide a P2P program to the customer terminal for the image photographed and collected at a desired location of the customer. An authentication and management server that provides a real-time video inquiry service and performs billing processing for customers using a security surveillance service using a network camera; When any customer requests the past video search, the key frame and video file of the place and date desired by the customer are provided on the screen of the customer terminal by using the information registered in the DB server of the video data management unit, and the corresponding video data storage unit A web server providing a past image search service to access and load a desired image through a key frame to a customer; If any customer requires image analysis, access the image data storage unit through the DB server of the image data management unit and transmit it through the communication network so that the customer can download the desired image or catalog the target image through the analysis system. And an analysis server providing a function of performing an image analysis operation such as resetting a key frame, zooming in, zooming out, or editing an image. Photographing a real-time image of the location from a network camera installed at each security surveillance request location at the request of an individual customer and transmitting the image data through a predetermined communication network; Collecting and storing real-time image data of each security surveillance request place transmitted through the communication network in a central image collecting unit, and cataloging each image data to extract and manage key frames for each image data. Process; And providing an inquiry and analysis service for a real-time video or a past video of a security surveillance request location stored and managed in the video data storage unit according to a video inquiry and analysis request of an individual customer connected through a communication network. Security surveillance method using a network camera characterized in that. The method of claim 7, wherein The process of capturing the real-time image and transmitting it through a communication network, after installing a network camera connected to the communication network in places subject to security surveillance at the request of an individual customer, performs a registration operation on the network camera. Setting an image capturing method and a management method according to a customer's requirement; And recording the real-time image of the place from each of the network cameras, converting the digitally compressed image data through the encoder, and transmitting the same to the image collection unit through a modem and a communication network connected thereto. Security surveillance using camera. The method of claim 7, wherein The process of extracting and managing key frames for real-time image data of each security surveillance request location is performed by performing load balancing on file servers of an image acquisition unit in an L4 switch and receiving them through communication networks and network access equipment from each network camera. Transmitting each image data to a file server having a relatively low load; Storing real-time image data transmitted to the file server in an image data storage unit in the form of a file, and registering OS meta information such as location information of the image data stored in the image data storage unit; After loading the image data stored in the image data storage unit and performing a cataloging operation on the image data to generate a key frame that becomes an image file for each main part or time zone, the key frame information is added to the image data. Security management method using a network camera comprising the step of storing and managing in a relational database system with basic information about. The method of claim 7, wherein The process of providing a video search and analysis service according to the request of the individual customer includes the steps of performing a customer authentication by inputting an ID and password of the customer when an individual customer accesses the customer network through a communication network; ; In the case where the individual customer requesting the real-time video lookup is completed, providing a real-time video lookup service for providing a P2P program to the customer terminal through the communication network to view the video of the desired place in real time Security monitoring method using a network camera comprising a. The method of claim 10, Providing a key frame and a video file of the location and the date on the screen of the customer terminal after confirming the place and the date for which the image is to be requested by the individual customer who has completed the customer authentication requesting the previous image retrieval; And accessing the image data storage unit, loading image data corresponding to a key frame selected by the individual customer, and providing a past image inquiry service to the individual customer. . The method of claim 10, When the individual customer who has completed the customer authentication requests the image analysis, after confirming the place and date for which the individual customer wants to analyze, the corresponding image data is transmitted to the customer terminal or the image analysis service for the corresponding image through the analysis system. Security monitoring method using a network camera, characterized in that it further comprises providing a. The method of claim 7, wherein And providing a video retrieval or analysis service according to the request of the individual customer and then performing a charging process on the individual customer in the authentication and management server.

Images