KR100996449B1 - System and Method for Managing Supervisory Video Using IP Network - Google Patents

Abstract

The present invention can easily backup and store the surveillance video provided from the surveillance photographing means using the IPTV network using the IP network, and the surveillance video management system using the IP network to enable search and monitoring and its Provide a method.

To this end, the present invention is disposed in a plurality of areas that need to monitor the surrounding situation, respectively, at least one of transmitting the surveillance video photographing the surrounding area for real-time monitoring and backup storage by applying a protocol according to the IPTV broadcast method through the IP network The surveillance video generating means and the surveillance video transmitted from the at least one surveillance video generating means through the IP network according to the IPTV broadcasting method, and are displayed on the monitor device and generated from the surveillance video generating means. An IP set-top box that searches for a surveillance video stored by a device and receives a desired video to be displayed on a monitor device, and manages the surveillance video transmitted from the surveillance video generating means to be backed up and stored in a storage device. IPTV over this IP network Including a management center apparatus that is being searched and sent to the transmission system is characterized in that configured.

Description

Surveillance video management system using IP network and its method {System and Method for Managing Supervisory Video Using IP Network}

The present invention relates to a surveillance video management system and method using an IP network to easily manage the surveillance video provided from the surveillance camera using the IPTV network using the IP network.

In general, in the case of over-the-air video television broadcasting, cable, and cable television broadcasting, a one-way communication method is provided in which a receiving side television receiver receives a broadcasting signal transmitted from a broadcasting station, a transmitting station, and the like. IPTV (Internet Protocol Television) broadcasting service is a two-way communication method that allows a user to select and watch desired video media or broadcast contents through a high speed / high speed internet network.

In order to use IPTV through such an IPTV broadcasting service, a set top box equipped with a dedicated modem is installed on a television receiver, and an internet line can be connected to the set top box. The user can operate the Internet and receive various contents and additional services provided on the Internet such as watching movies, home shopping, home banking, online games, and MP3s.

On the other hand, in recent years, security surveillance systems have been expanded to create a safer social environment with the rapid increase in crime rates.In view of these trends, users can effectively monitor surveillance images obtained from surveillance cameras applied to security surveillance systems. In addition, there is a need for more efficient and systematic backup and management.

In view of this, in recent years, there is an urgent need for a new method for effectively monitoring, efficiently backing up and managing surveillance video from a security surveillance system using a convenient IPTV broadcasting service.

Accordingly, the present invention has been made in view of the above-described conventional circumstances, and an object thereof is to easily backup and store the surveillance video provided from the surveillance photographing means by using an IPTV network using an IP network. And it provides a surveillance video management system and method using an IP network to enable monitoring.

According to the system of the present invention to achieve the above object, real-time monitoring by applying a protocol according to the IPTV broadcasting method through the IP network surveillance video recording the surrounding area is arranged in each of a plurality of areas that need to monitor the surrounding situation And at least one surveillance image generating means for transmitting for backup storage, and to receive the surveillance image transmitted from the at least one surveillance image generating means through an IP network according to an IPTV broadcasting method and to display the screen on a monitor device. IP set-top box generated from the surveillance image generating means to retrieve the surveillance image stored by the management center apparatus to receive the desired image and display the desired image on the monitor device, and at least one surveillance transmitted from the at least one surveillance image generating means. Video is backed up to the storage device And a management center device for searching and transmitting the backup and stored surveillance video through an IP network through an IP network according to a video inquiry request of the IP set-top box, and the at least one according to video management processing of the management center device. It provides a surveillance video management system using an IP network comprising a storage device for each of the backup and storage of the surveillance video from the surveillance video generating means.

In order to achieve the above object, according to the method of the present invention, a protocol according to the IPTV broadcasting method is applied to the surveillance video photographing the surrounding area by each surveillance video generating means arranged in each of a plurality of areas that need to monitor the surrounding situation. Transmitting over the IP network through the IP network; receiving, by the management center apparatus, the surveillance video from the surveillance video generating means through the IP network, and storing the backup video in a storage device; and managing the surveillance video in the IP set-top box. The surveillance video transmitted from the generating means is transmitted through the IP network according to the IPTV broadcasting method so that the monitor screen is displayed on the monitor device in real time, or the surveillance center device searches for the surveillance video stored in the storage device to receive the desired video. Including the steps to display on the monitor device Provided is a surveillance video management method using an IP network.

As described above, according to the present invention, it is possible to monitor the surveillance video from various surveillance cameras, digital video recorders, and generation video phones by IPTV broadcasting using an IPTV broadcasting service through an IP network, and to backup and store the surveillance video. It enables users to manage and monitor the backup video stored through the IPTV broadcasting service. As a result, security surveillance can be easily performed by using IPTV capable of two-way communication service. It is possible to drastically reduce the enormous cost and manpower required for building equipment, building complex networks, and increasing the use of IPTV broadcasting contents, thereby expanding and activating the relevant market. .

In addition, as it is possible to convert and manage different image data having different image compression formats from various surveillance equipment into a unified single compression format, there is an effect that more consistent and systematic management of surveillance images is possible.

In addition, the present invention encrypts the surveillance video managed by the database and enables the search and transmission of the surveillance video through user authentication only for a user who has the authority to inquire the encrypted surveillance video. Even under the system, the security of surveillance video can be enhanced.

Hereinafter, the present invention configured as described above will be described in detail with reference to the accompanying drawings.

That is, Figure 1 is a diagram showing the overall configuration of the surveillance video management system using the IP network according to the present invention.

As shown in FIG. 1, a surveillance video management system using an IP network according to the present invention includes a plurality of IP surveillance cameras A1 to An, a digital video recorder (DVR) 10, and a plurality of IP surveillance cameras. Surveillance cameras 12, 14, 16, generation video phone 18, camera 20, IP set-top box 22, monitor device 24, router 26, network, management center device 28, the storage device (30, 32, 34).

The plurality of IP surveillance cameras A1 to An are individually installed at a plurality of positions where surveillance of surrounding conditions is required, and IPTV broadcasting is performed through a network of surrounding surveillance images taken from a camera module by receiving an individual IP for each camera. The protocol according to the method is applied to the IP set-top box 22 or the management center device 28.

Here, as the protocol applicable to the IPTV broadcasting scheme, it is possible to support the RTP, UDP, HTTP, MMSH, RTSP, TCP protocol.

The digital video recorder 10 receives IP and is capable of bidirectional network communication with the IP set-top box 22 and the management center device 28, and is captured by the plurality of surveillance cameras 12, 14, and 16. The IP set-top box 22 or the management center device 28 can record a surveillance video as a digital video, or play back and manage various events, and apply the protocol according to the IPTV broadcasting scheme through the network. To the side.

Here, the digital video recorder 10 may be used as a network video recorder as a network capable.

In the drawing, the digital video recorder 10 is provided as an example. However, the present invention is not limited thereto, and a plurality of digital video recorders distributed in each region may be applied. Can be.

The generation video phone 18 is installed for each household in buildings such as residential, business apartments, homes, buildings, etc., and receives surveillance video taken from the surveillance camera 20 by receiving a network IP. In addition to displaying a screen on the monitor, it is transmitted to the IP set-top box 22 or the management center device 28 through a network.

The IP set-top box 22 receives the broadcast contents according to the IPTV broadcasting service by performing two-way communication through a network communication using an internal dedicated modem according to a user's remote control operation, and the plurality of IP surveillance cameras through a network. The router 26 receives the digital surveillance image from the digital video recorder 10 or the generation video phone 18 in real time, and displays the screen on the monitor device 24. By using the network to search and playback the digital surveillance image that is managed by backup and stored in the management center device 28 to display on the monitor device 24.

The monitor device 24 displays a menu input state according to a user remote control operation from the IP set-top box 22 and a search state of a surveillance image, and displays a real-time surveillance image or the management center apparatus 28. Play and display the surveillance video which is saved by backup.

Here, the monitor device 24 may apply a digital monitor exclusively for screen display of IPTV broadcast content and surveillance video, or may apply an HD television receiver capable of receiving cable broadcasting or HD television broadcasting including airwaves. .

In the present invention, the IP set-top box 22 and the monitor device 24 is provided with a single each, but in the present invention is that a plurality of IP set-top box and a plurality of monitor devices are applied to substantially Of course.

The router 26 performs a bridge function for connecting a network for bidirectional communication between IP devices and provides a path setting function for transmitting information of a surveillance video.

The management center device 28 performs bi-directional communication with the plurality of IP surveillance cameras A1 to An, the digital video recorder 10 and the generation videophone 18 through a network, and photographs through each camera. Receives a digital surveillance image, backups and stores the database, manages the database, provides search information of the surveillance image in response to a request for querying the stored surveillance image from the IP set-top box 22, and provides a user of the IP set-top box 22. Provides the selected surveillance video.

In this case, the management center device 28 is equipped with a high-speed processor and a large capacity hard disk drive, it is possible to apply a network-enabled desktop computer terminal, it is also possible to build and apply a video management dedicated server.

The plurality of storage devices 30, 32, and 34 manage backup and storage of surveillance images photographed from a remote surveillance camera under management control of the management center device 28.

Next, FIG. 2 is a diagram showing a configuration for managing a surveillance video from an IP surveillance camera via an IP network according to a preferred embodiment of the present invention.

As shown in FIG. 2, each of the IP surveillance cameras A1 to An includes camera modules B1 to Bn and communication modules C1 to Cn, respectively. It is configured to include a modem (40).

Each of the plurality of camera modules B1 to Bn photographs a surrounding area and provides a digital surveillance image, and each of the plurality of communication modules C1 to Cn is provided with an IP so as to enable network communication. Digital surveillance image data captured by the ~ Bn) is transmitted to the IP set-top box 22 or the management center device 28 through network communication.

The modem 40 of the IP set-top box 22 performs a demodulation process for receiving a surveillance image by bidirectional network communication with each of the communication modules C1 to Cn, and bidirectionally with the management center device 28. Modulation and demodulation processing is performed for searching and receiving the stored backup video by network communication.

In addition, the management center device 28 includes a communication module 42, an input unit 44, a memory 46, a microprocessor 48, and a storage data management unit 50.

The communication module 42 performs bidirectional network communication for transmitting and receiving a surveillance image with the plurality of communication modules C1 to Cn and the IP set-top box 22.

The input unit 44 includes an input device such as a keyboard and a mouse, and performs database management through backup and storage of the surveillance image and inputs information from an administrator for providing the stored surveillance image.

The memory 46 stores an operating system for operating the system of the management center device, and stores a dedicated software program for supporting backup storage of the surveillance image and retrieval of the stored surveillance image. It is desirable to apply a drive.

The microprocessor 48 operates in conjunction with a mother board and a chipset (not shown) mounted in the management center device 28 to perform backup storage of the surveillance video and search / retrieval of the stored surveillance video. Performs control operations and data processing.

The storage data management unit 50 is provided for managing the database and providing the stored surveillance image by storing the surveillance image in the storage devices 30, 32, and 34 under the control operation and data processing of the microprocessor 48. Substantial image management processing is performed.

In FIG. 2, the IP set-top box 22 performs bi-directional communication with a communication module of an IP surveillance camera to which the IP set-top cameras A1 to An are allowed to access IP to monitor an image captured by the camera module. Received in real time by using the IPTV broadcast method can be displayed on the monitor device 24.

In addition, the IP set-top box 22 may search only the surveillance video to which access is allowed from among the surveillance video from the plurality of IP surveillance cameras A1 to An stored backed up by the management center device 28 through a network. In addition, a user can select and receive a desired image from a surveillance image allowed to be accessed by a user's manipulation through a remote controller (not shown) provided in the IP set-top box 22.

Next, Figure 3 is a diagram showing the configuration for managing the surveillance video from the DVR as a network-enabled monitoring equipment according to a preferred embodiment of the present invention.

As shown in FIG. 3, the digital video recorder 10 bidirectionally communicates with the modem 40 of the IP set-top box 22 and the communication module 42 of the management center device 28 through a network. The IP set-top box is provided with a communication module 60 for performing communication, and the real-time surveillance image or the recorded image captured by each of the surveillance cameras 12, 14, and 16 is communicated by the communication module 60. Or to the management center device 28.

The IP set-top box 22 performs a two-way communication with the communication module 60 of the digital video recorder 10 through a modem 40 to receive a surveillance image by IPTV broadcast method based on IP monitor device ( Screen 24).

In addition, the IP set-top box 22 may search for each surveillance video when access to the surveillance video from the digital video recorder 10 is stored and backed up by the management center device 28 through a network. The user can select the desired video from the surveillance video that is allowed to be accessed by the user's operation.

Next, Fig. 4 is a diagram showing a configuration for managing surveillance video from a network-capable generation videophone according to a preferred embodiment of the present invention.

As shown in FIG. 4, the generation video phone 18 allows a call to be made with the counterpart while monitoring an internal or external surveillance image captured by the camera 20, and the backup image is stored for backup. Video is provided to the video phone device 70 and the network communication, and the surveillance video from the video phone device 70 through the two-way communication with the modem 40 of the IP set-top box 22 Including an IP transmission module 72 for transmitting to the IP set-top box 22, or to transmit the surveillance video for backup storage through bidirectional communication with the communication module 42 of the management center device 28; It is composed.

The IP set-top box 22 performs a two-way communication with the IP transmission module 72 of the generation video phone 18 through the modem 40 to receive the surveillance image by IPTV broadcast method based on the monitor device Screen 24 is displayed.

In addition, the IP set-top box 22 may search for each surveillance video when access to the surveillance video from the generation videophone 18 is stored and backed up by the management center device 28 through a network. The user can select and receive a desired video from the surveillance video that is allowed to be accessed by the user's operation.

Next, FIG. 5 is a diagram illustrating a configuration for converting and managing image data having various image formats into a standard image format according to a preferred embodiment of the present invention.

As shown in FIG. 5, a plurality of IP surveillance cameras A1 to An applied to the present invention, and a digital video recorder 10 and respective surveillance cameras 12, 14, and 16 connected to the digital video recorder 10. ), Video equipment such as generation videophone 18 and surveillance camera 20 connected to the generation videophone 18 may be different from each other, and the surveillance video may be compressed in a different video compression format for each manufacturer. Can be processed and sent.

Accordingly, in the present invention, there is a need to unify the database of the surveillance video transmitted in different video compression formats into a single video format, and provide the surveillance video of the unified video format on the IP set-top box of the user who wants to query the surveillance video. There is a need to do it.

To this end, the management center apparatus 28 provides a component for uniformly converting surveillance images of different image compression formats into a single image format.

That is, the management center device 28 is a live encoder 80 for encoding and processing the surveillance video data of various video compression formats received through a network network into a single single video format, and the live encoder 80 is compressed in various ways Integrated codec module 82, which provides an integrated codec for encoding an image of a single format into a single image format, surveillance video data extracted from the storage devices 30, 32, 34 through the storage data management unit 50 Transcoder (84) for outputting the image data in the unitary single image format, and the form of streaming data to which the protocol according to the IPTV broadcasting method is applied to the surveillance image data of the united image format from the transcoder (84). It comprises a streamer (86) for transmitting to the IP set-top box (22).

Here, the live encoder 80, the integrated codec module 82, the transcoder 84, the streamer 86 is stored in the memory 46 of the management center device 28, the microprocessor It is implemented in the form of a software program driven by (48), and can be implemented in any form of a separate integrated hardware module.

The live encoder 80 provides various video compression formats such as MPG, AVI, WMV, MOV, ASF, etc. provided to the plurality of IP surveillance cameras A1 to An, the digital video recorder 10, and the generation video phone 18. The surveillance video data of the video signal is encoded by a specific codec such as H.264 by the integrated codec provided from the integrated codec module 82 and converted into video data of a single compressed format such as MP4.

The integrated codec module 82 is a codec for video compression formats such as MPG, AVI, WMV, MOV, ASF, etc., and video compression codecs such as MPEG1, MPEG2, Divx, MPEG4, H.264, WMV, and MPEG1, MP3, AAC. It supports voice compression codec such as AC3 (DTS).

On the other hand, the transcoder 84 separates information on the supported compression format from the IP set-top box 22 when the IP set-top box 22 does not support the video standard of the unified single compression format. On the basis of the integrated codec module 82, it is also possible to code and provide an image in a corresponding compressed format.

6 is a diagram showing a configuration for securely encrypting and managing surveillance video data according to a preferred embodiment of the present invention.

As shown in FIG. 6, the storage data management unit 50 stores / manages the surveillance video from various surveillance cameras as a database, and manages the search and selection of the image in the IP set-top box of the user side. In addition to security management, each surveillance video can be managed by security encryption, so that the IP set-top box entitled to search for the video can be managed and authorization is given to search and transmit the surveillance video. Allow this to proceed.

That is, the storage data management unit 50 applies the encryption management module 90 to encrypt the surveillance image data by applying an encryption algorithm such as a public key infrastructure (PKI), and the storage devices 30, 32, and 34. A search management module 92 which provides a search tool for enabling a user on the IP set-top box 22 to search for a plurality of surveillance images stored in the backup, and is encrypted and stored by the encryption management module 90. And an authentication processing module 94 for performing user authentication to authorize a user to inquire the surveillance image from the storage devices 30, 32, and 34.

In the storage devices 30, 32, and 34, encryption information E1 to En is stored for each of the surveillance video data D1 to Dn which are stored in a database and backed up by a secure encryption process from the encryption management module 90. Each is given.

The authentication processing module 94 is a user authentication method for querying the surveillance video data stored in the storage devices 30, 32, and 34. The authentication method is based on the device code of the set-top box, the authentication method by the user password, The authentication method using an electronic certificate can be applied.

In the authentication method using the set-top box device code, a certain code such as a serial number, which is assigned during the manufacture of the equipment of the IP set-top box 22, is authenticated by the authentication processing module 94, so that the monitoring authority is allowed for some surveillance images. It is a method to search and send only.

The authentication method based on the user password, authentication by inputting the password allowed through a user identification certificate from a trusted authority such as a company, a local government, a government organization, etc. that has been entrusted with the management of the surveillance image of the rights center terminal 28 side By receiving it, a method of searching and transmitting only some surveillance video for which the user is allowed to inquire is provided.

The authentication method based on the electronic certificate is to access the system through a personal electronic authentication key assigned on the network for electronic transactions, such as financial transactions, to be authenticated for use only, so that only some surveillance images are permitted to be inspected. It is a way to enable search and transmission.

In addition to the authentication methods, the authentication processing module 94 may apply various authentication methods such as a biometric authentication method or an electronic card authentication method.

While specific embodiments of the present invention have been described and illustrated above, it will be apparent that the present invention may be embodied in various modifications by those skilled in the art. Such modified embodiments should not be understood individually from the technical spirit or the prospect of the present invention, but should fall within the claims appended to the present invention.

1 is a diagram showing the overall configuration of a surveillance video management system using an IP network according to the present invention;

2 is a diagram illustrating a configuration for managing a surveillance video from an IP surveillance camera via an IP network according to a preferred embodiment of the present invention;

3 is a diagram illustrating a configuration for managing a surveillance video from a DVR as a network-enabled surveillance apparatus according to a preferred embodiment of the present invention;

4 is a diagram showing a configuration for managing surveillance video from a network-capable generation videophone according to a preferred embodiment of the present invention;

5 is a diagram illustrating a configuration for converting and managing image data having various image formats into a standard image format according to a preferred embodiment of the present invention;

6 is a diagram illustrating a configuration for securely encrypting and managing surveillance video data according to an exemplary embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

10: digital video recorder (DVR), 12, 14, 16: surveillance camera,

18: generation video phone, 20: camera,

22: IP set-top box, 24: monitor unit,

26: router, 28: management center unit,

30, 32, 34: storage device, A1 to An: IP surveillance camera,

B1 to Bn: camera module, C1 to Cn: communication module.

Claims (9)

At least one surveillance video generating means, which is disposed in a plurality of areas that need to monitor the surrounding situation and transmits the surveillance video of the surrounding area for real-time monitoring and backup storage by applying a protocol according to the IPTV broadcasting method through an IP network. ; The surveillance image transmitted from the at least one surveillance image generating means is received according to an IPTV broadcasting scheme through an IP network to be displayed on the monitor device, and the surveillance image generated from the surveillance image generating means and backed up by the management center device is stored. An IP set-top box for receiving a desired image and displaying the screen on a monitor device; At least one surveillance video transmitted from the at least one surveillance video generating means is managed to be backed up and stored in the storage device, and the surveillance video stored in the IP set-top box is searched by IPTV broadcasting method through an IP network. And a management center apparatus to be transmitted; And Storage device for each of the backup and storage of the surveillance image from the at least one surveillance image generating means according to the image management process of the management center device Including, The surveillance video generating means may include at least one IP surveillance camera configured to transmit two-way communication through an IP network to transmit a surveillance video photographing a surrounding area, and to record and / or record the surveillance video photographed from the surveillance camera. At least one digital video recorder (DVR) for real-time monitoring and backup storage by two-way communication through the network, and for recording real-time monitoring and backup storage by bi-directional communication via IP network. Surveillance video management system using an IP network, characterized in that any one of at least one videophone. delete The method of claim 1, The management center apparatus may include: a communication module for performing bidirectional network communication for transmitting and receiving the surveillance image with the at least one surveillance image generating means and the IP set-top box; An input unit configured to manage databaseization through backup and storage of surveillance images and to input information from an administrator for providing stored surveillance images; An operating system for system operation of the management center device, a memory for storing a backup software of the surveillance image and a dedicated software program for retrieving the stored surveillance image; A microprocessor for performing a control operation and data processing for backup storage of the surveillance image and search / retrieval of the stored surveillance image; Under the control operation and data processing of the microprocessor, characterized in that it comprises a storage data management unit for performing the database management by the backup and storage of the surveillance image in the storage device and the image management processing for the provision of the stored surveillance image Surveillance video management system using IP network. The method of claim 3, wherein The storage data management unit, an encryption management module for applying an encryption algorithm to the surveillance video data and encrypting; A search management module providing a search tool for enabling a user on the IP set-top box to search for the surveillance video stored in the storage device; Surveillance image management system using an IP network, characterized in that it comprises an authentication processing module for performing a user authentication for authorizing the user to search and transmit the surveillance image encrypted and stored by the encryption management module. . The method of claim 1, The management center apparatus may include a live encoder for encoding surveillance video data of different video compression formats received through a network into a single single video format; An integrated codec module for providing the live encoder with an integrated codec for encoding images of different compression formats into a single image format; A transcoder for outputting surveillance video data requested from the IP set-top box as video data in a unified single video format; IP stream, characterized in that it comprises a streamer (Streamer) for transmitting the surveillance video data of the unified video format from the transcoder to the IP network in the form of streaming data applied to the protocol according to the IPTV broadcasting method. Surveillance video management system. A first step of transmitting a surveillance video of the surrounding area through an IP network by applying a protocol according to an IPTV broadcasting method in each surveillance image generating means disposed in each of a plurality of areas requiring monitoring of the surrounding situation; A second step of receiving, by the management center apparatus, the surveillance video from each of the surveillance video generating means through an IP network and storing the backup video in a storage device; And The surveillance video transmitted from the surveillance video generating means in the IP set-top box is received in accordance with the IPTV broadcasting method through the IP network, and displayed on the monitor device in real time, or the surveillance video backed up and stored in the storage device by the management center device. Step 3 to search for and receive a desired image and display it on the monitor device Including, In the first step, any one of at least one IP surveillance camera, at least one digital video recorder (DVR), and at least one generation videophone is applied to the surveillance video generating means to transmit the surveillance video. Surveillance video management method using an IP network. delete The method of claim 6, The second step may further include encrypting and monitoring the surveillance video data transmitted from each surveillance video generating unit in accordance with an encryption algorithm in the management center apparatus. In the third step, when the IP set-top box requests the inquiry of the surveillance video, the management center device performs user authentication on the IP set-top box so that the user can search and transmit the encrypted surveillance video. Surveillance image management method using an IP network, characterized in that further comprising the step of granting authority. The method of claim 6, In the second step, the management center apparatus may support the integrated codec for the surveillance image data of different image compression formats received from each surveillance image generating unit to encode and process the integrated image code into a single image format for backup and storage in the storage device. Done, In the third step, when an inquiry of the surveillance video is requested from the IP set-top box, the management center device extracts the surveillance video data requested from the IP set-top box from a storage device and outputs the image data in a unified single image format. Surveillance video management method using an IP network, characterized in that made to.

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