KR20110030203A - Apparatus and method for display-control of map - Google Patents

Abstract

PURPOSE: An apparatus and method for controlling the display of a map are provided to efficiently control event-occurring cameras through one screen. CONSTITUTION: Plural cameras are installed at a monitoring region, and an event reception unit(320) receives event information related to the plural cameras. A map display control unit(330) displays the plural cameras on the map. The map display control unit displays the plural cameras on one screen.

Description

Apparatus and method for display-control of map}

A map display control apparatus and a map display control method using the same.

Digital video recorder (DVR) is a high-resolution video surveillance system that can convert analog image signals input from several surveillance cameras into digital signals and compress them, so that they can be recorded for a long time, quickly searched, and reproduced clearly. .

Such a digital video recorder is installed in a security-intensive place such as a large-scale collective house or a museum or a bank to record and record an image, or output the image on a screen in real time, thereby detecting an intruder or reporting an emergency situation.

In addition, as the demand for video surveillance system increases, the development of security equipment is increasing, and the number of installed cameras is increasing accordingly, and as the number of cameras increases and the utilization of the security equipment increases, the use of the camera in places where personal privacy is required is required. Installation is increasing.

In addition, with the development of the digital video recorder, not only the video input through the camera but also the occurrence of an event may be detected and an additional function may be performed accordingly. That is, the digital video recorder receives the event signal from the camera and stores the image data according to the occurrence of the event signal, so that the controller (person in charge) can retrieve the image data according to the event.

However, when an event occurs in a camera installed on a map representing a surveillance area in the related art, only the camera where the event occurs blinks or displays a different color, so that the size of the map is large or the camera does not appear on the map of the current screen. When the event occurs, there is a problem that it is difficult to check whether the event of the camera and the cameras.

The present invention receives event information related to a plurality of cameras installed in a surveillance area, displays a plurality of cameras related to the event information on a map, and controls the display of the map such that the plurality of cameras are displayed on a single screen. It is an object of the present invention to provide a map display control device and a map display control method using the same, which can effectively control the cameras generated in one screen and prevent omission of event processing of the cameras.

In addition, the present invention in controlling the display of the map, by moving the display area of the map, or to enlarge or reduce the map so that the plurality of cameras are displayed on one screen centered on the center of gravity of the plurality of cameras, It is an object of the present invention to provide a map display control device and a map display control method using the same, so that the generated camera can be more effectively controlled on one screen.

In addition, the present invention by controlling the display of the map to the cameras selected as the monitoring target of the plurality of cameras, it is possible to more intensively monitor the cameras selected by the user and to reduce the control according to the occurrence of unnecessary camera events It is an object of the present invention to provide a map display control device and a map display control method using the same, thereby reducing the cost accordingly.

In addition, the present invention is to perform the operation of controlling the display of the map according to the update period, to prevent the overload that may occur due to the map display control operation for the sporadic event occurs, and the map display control can be made more effectively It is an object of the present invention to provide a map display control device and a map display control method using the same.

In order to achieve the above object, the map display control device according to an embodiment of the present invention, the map display control device for communicating with the control server for the integrated control of events generated in the surveillance area, a plurality of cameras installed in the surveillance area And a map display control unit configured to display an event receiver for receiving event information related to the field information and a plurality of cameras related to the event information on a map, and to control the display of the map such that the plurality of cameras are displayed on one screen.

In addition, the map display control unit controls the display of the map to move the display area of the map or to enlarge or reduce the map so that the plurality of cameras are displayed on one screen based on the center of gravity of the plurality of cameras. It is done.

The apparatus may further include a monitoring target selecting unit configured to select cameras selected as monitoring targets among the plurality of cameras as processing targets of the event receiving unit.

The apparatus further includes an update period setting unit which sets an update period such that the map display control unit controls the display of the map according to the update period.

A map display control method according to an embodiment of the present invention is a method of controlling a map display in a map display control device that communicates with a control server that integrates and controls an event generated in a surveillance area, wherein the map display control device is a surveillance area. (A) receiving event information related to a plurality of cameras installed in the map and the map display control device displaying the plurality of cameras related to the event information on a map, and displaying the map such that the plurality of cameras are displayed on one screen. (B) controlling.

In addition, in controlling the display of the map, the map display control apparatus may move the display area of the map or enlarge or reduce the map so that the plurality of cameras are displayed on one screen based on the center of gravity of the plurality of cameras. It features.

In addition, the map display control device is characterized in that for performing the operation of controlling the display of the map to the cameras selected as the monitoring target of the plurality of cameras.

In addition, the map display control device performs an operation of controlling the display of the map according to the update period.

After the map display control device controls the display of the map, if the event information for the plurality of cameras is not received within the corresponding time while checking the update period, the map display control apparatus further includes repositioning the display state of the map.

According to the map display control apparatus and the map display control method using the same, the present invention has the following advantages.

First, the present invention receives event information related to a plurality of cameras installed in the surveillance area, and displays a plurality of cameras related to the event information on a map, and controls the display of the map such that the plurality of cameras are displayed on one screen. In addition, there is an advantage of effectively controlling cameras in which an event occurs on a single screen and preventing omission of event processing of corresponding cameras.

Second, in controlling the display of the map, the event may be moved by moving the display area of the map or enlarging or reducing the map so that the plurality of cameras are displayed on one screen based on the center of gravity of the plurality of cameras. There is also an advantage that can effectively control the generated camera on one screen.

Third, the present invention can control the display of the map for the cameras selected as the monitoring target among the plurality of cameras, thereby more intensively monitoring the cameras selected by the user and reducing the control of the occurrence of unnecessary camera events. This also has the advantage of reducing the cost.

Fourth, the present invention is to perform the operation of controlling the display of the map according to the update period, to prevent the overload that may occur due to the map display control operation for the sporadic event can occur, more effectively map display control can be made There are also advantages.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various forms, and only the embodiments of the present invention make the disclosure of the present invention complete and the general knowledge in the technical field to which the present invention belongs. It is provided to fully convey the scope of the invention to those skilled in the art, and the present invention is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

1 is a conceptual diagram of a video surveillance system according to an embodiment of the present invention.

As shown in FIG. 1, the video surveillance system of the present invention includes an IP video surveillance system 12, an analog video surveillance system 14, a network video recorder 200, a control server 100, and a control PC. It consists of 300. Since the IP video surveillance system 12, the analog video surveillance system 14, and the network video recorder 200 play a role of security surveillance, hereinafter, collectively referred to as a security surveillance system.

Here, the IP video surveillance system 12 may transmit and receive data to and from the control server 100 through the network video recorder 200, and the analog video surveillance system 14 is directly connected to the control server 100 to transmit data. Can send and receive In addition, only one system of the IP video surveillance system 12 and the analog video surveillance system 14 may be used to perform video surveillance through interworking with the network video recorder 200 and the control server 100. to be.

After the event, the video captured by the cameras installed in the IP video surveillance system 12 and the analog video surveillance system 14 and information about the corresponding event are transmitted to the network video recorder 200 and the control server 100. Can be.

Meanwhile, the network video recorder 200 is an integrated video storage device. For example, the network video recorder 200 receives and stores an image captured after an event occurs from a camera connected to a DVR and a network (eg, an IP camera, a web camera, etc.), and a control server. The image retrieved in cooperation with the control 100 and the control PC 300 may be transmitted to the control server 100 or the control PC 300. Here, the network video recorder 200 may be configured as a separate video storage device or included in the control server 100.

The control server 100 is an integrated control of events generated in the monitoring area, and communicates with a plurality of control PC 300, the information on the event (that is, event information) from at least one of the security monitoring system It receives and stores, and operates in conjunction with the network video recorder 200 and the control PC (300). The event information may include information on an event type, a camera ID of capturing a corresponding image after an event occurs, an event occurrence time, a shooting location, and the like.

In addition, the control server 100 stores a plurality of image maps (hereinafter, referred to as 'maps') corresponding to surveillance areas in which a plurality of cameras are installed, and the positions of the cameras of the surveillance area are displayed on the map. do. For example, when the control PC 300 selects the first floor lobby of the airport tower and the underground parking lot as the monitoring area object, the control server 100 may provide a corresponding map to the control PC 300.

In addition, the control server 100 may distribute the event received from the security monitoring system to a plurality of control PC 300 in real time, at which time a predetermined event distribution rule may be applied. For example, the control server 100 may distribute the event to the control PC 300 in real time according to the camera ID or event type. In addition, events and images may be transmitted from the cameras to the corresponding control PC 300 directly.

In addition, the control server 100 may perform event management by receiving and storing the event processing results from the control PC (300). For example, the control server 100 changes the corresponding event information according to the event processing result so that the distribution of the same event does not occur to the plurality of control PCs 300 again, or indicates that the event is processed differently from other events. can do. In addition, the control server 100 may store the event processing time, the ID of the person handling the event, the event processing result and the like.

On the other hand, the control PC 300 communicates with the control server 100 for integrated control of the events generated in the monitoring area. In addition, the control PC 300 receives event information related to a plurality of cameras installed in the surveillance area and displays the cameras related to the event information on the map, and controls the display of the map so that the cameras are displayed on one screen. . Here, the real-time event information may be received directly from the cameras, or may be received from the control server 100.

In addition, in controlling the display of the map, the control PC 300 moves the display area of the map or enlarges or reduces the map so that the cameras are displayed on one screen around the center of gravity of the cameras. In addition, the user may arbitrarily select a desired surveillance region and cameras in the surveillance region.

That is, the control PC 300 may perform an operation of controlling the above-described map display only for the cameras selected in the surveillance area. Therefore, even in the same surveillance area, when event information occurs from cameras that are not selected for monitoring, a separate map display control operation is not performed.

As such, the operation of controlling the display of the map may be overloaded when the event information is received every time, because the processing capacity of the control PC 300 may be overloaded, and thus, preferably in an update period (or spaced time interval). Can be set to be performed accordingly.

Hereinafter, the functions performed by the control PC 300 described above with reference to FIG. 2 will be described in more detail.

2 is a block diagram of an apparatus for controlling map display according to an embodiment of the present invention.

As illustrated in FIG. 2, the map display control apparatus 301 may include a communication unit 310, an operation unit 312, a monitoring target selection unit 315, an event receiving unit 320, a map display control unit 330, and an update cycle setting. The unit 335, and the information storage unit 340. The map display control device 301 may be implemented as a predetermined module in the control PC 300.

The communication unit 310 communicates with the control server 100, the network video recorder 200, and various other external devices (cameras, security monitoring systems, etc.) and transmits and receives data.

The operation unit 312 selects cameras to be monitored from among a plurality of cameras installed in the surveillance area, and may be provided as an input means such as a mouse or a keyboard. In this case, the user may select cameras desired by the user by specifying a region of the cameras displayed on the map or inputting IDs of the cameras through the operation unit 312.

The monitoring target selecting unit 315 selects the cameras selected as the monitoring target by the operation unit 312 as the processing target of the event receiving unit 320 to be described later. That is, the user may select cameras that he / she wants to monitor among a plurality of cameras installed in the surveillance area, and the monitoring target selector 315 may select event information related to the monitoring target cameras selected by the user among the received event information. The event receiver 320 to be described later only receives the map display control unit 330 to perform the display control operation of the map.

The event receiver 320 receives event information related to a plurality of cameras installed in the surveillance area. Here, the event receiver 320 may receive real time event information from the control server 100 or the camera. The event information may include information about an event type, a camera ID, an event occurrence time, a shooting location, and a manager ID of a control PC.

The map display control unit 330 displays the cameras related to the event information on the map, and controls the display of the map such that the cameras are displayed on one screen. Here, in controlling the display of the map, the map display control unit 330 moves the display area of the map or enlarges the map so that the cameras are displayed on one screen around the center of gravity of the cameras related to the event information. Can be shrunk.

In addition, the map display control unit 330 may perform an operation of controlling the display of the map by identifying corresponding cameras in which an event occurs with respect to a camera selected as a monitoring target among a plurality of cameras displayed in the map according to an update period. If the event information for the cameras does not occur within the corresponding time while checking the period, the display state of the map may be repositioned. Here, the original positioning means displaying the map in a predetermined state according to an internal setting value, or displaying the map in a state before a current control operation is performed.

More specifically, the map display control unit 330 receives a map corresponding to the surveillance area from the control server 100, processes the map as a graphic image, and then displays it on the screen of the control PC 300. In this case, the map display controller 330 may arrange a plurality of maps corresponding to the selected area of the surveillance area in the map display area 430. In addition, the map display controller 330 may output a plurality of cameras (displayed) installed in the map as a graphic image, and process the graphic in the map so that the camera photographing the image is identified with other cameras when an event occurs.

In this case, as described above, the map display control unit 330 performs a map display control operation to display cameras related to the corresponding event information on one screen, and for this purpose, the cameras are arranged around the center of gravity of the cameras. The display area of the map can be moved or the map can be enlarged or reduced so as to be displayed on the screen. The map display controller 330 may typically be provided as a graphic chip or a graphic card.

The update period setting unit 335 sets the update period such that the above-described map display control unit 330 controls the display of the map according to the update period.

The information storage unit 340 is the event information received from the control server 100, the map and the information related to the map, the location and unique information of the cameras on the map (ID, installation location, etc.), update period setting value, the operation unit 312 The IDs of the monitoring cameras selected by the ID are stored. In this case, the real-time event information may be received directly from the camera, and the information related to the map may include information about a surveillance region, a map file name, and an address where the map is stored. Hereinafter, a method of controlling a map display using the map display control device 301 will be described in detail with reference to FIG. 3.

3 is a flowchart of a method of controlling a map display according to an exemplary embodiment.

First, the user selects a surveillance area on the control PC 300 screen, and selects the monitoring target cameras in the surveillance area (S303).

Next, the control PC 300 confirms whether or not to receive event information related to the selected camera (S311).

Next, the control PC 300 determines whether to receive event information related to the selected cameras (S315), and when receiving event information related to the selected cameras, displays the cameras related to the event information on one screen. The display of the map is controlled to be possible (S321).

Here, the control PC 300 may perform an operation of controlling the display of the map according to the update period. That is, when event information related to the cameras is received within the update period, the control PC 300 moves the display area of the map so that the positions of the cameras are displayed on one screen based on the center of gravity of the cameras, Zoom in or out of the map.

Next, the control PC 300 controls the display of the map so that the cameras related to the event information are displayed on one screen, and if the event information for the camera does not occur within the corresponding time while checking the update period, the map The display state of is returned to its original position (S325, S331).

On the other hand, in the camera displayed on the map, when at least one of the cameras displayed on the screen is selected at the request of the user, the control PC 300 outputs an image corresponding to the event information related to the camera on the screen for the event Video surveillance can be done.

4 illustrates a map associated with a surveillance region according to an embodiment of the present invention.

As shown in FIG. 4, the screen configuration of the control PC 300 includes a first screen 410 representing an entire site map of the surveillance area, a second screen 420 representing real time event information, and a first screen. In operation 410, a third screen 430 representing a map of the selected surveillance area may be configured.

For example, if the airport tower 411 is selected on the first screen 410, the surveillance areas tied to the airport tower 411, that is, the first floor lobby 412, the underground parking lot 413, the second floor office 414, And a map for the third floor office 415 is displayed on the third screen 430. Here, a map of at least one surveillance region selected by the user among the surveillance regions in the airport tower 411 may be displayed on the third screen 430.

That is, when the user selects the first floor lobby 412 on the first screen 410, only the map of the surveillance area 412 may be displayed on the third screen 430. In addition, among the cameras installed on the map displayed on the third screen 430, a camera that captures an image when an event occurs may be graphically processed to be distinguished from other cameras.

In addition, as described above, the cameras related to the event information may be displayed on the map, and the display of the map may be controlled so that the corresponding cameras are displayed on one screen, which will be described in detail with reference to FIG. 5.

5 is a conceptual diagram of a map display control method according to an exemplary embodiment.

Next, in FIG. 4, the user may select some of the plurality of cameras installed in the surveillance area to be monitored as the camera to be monitored from among the entire airport tower 411 surveillance areas.

In the method of selecting a surveillance camera, the surveillance cameras are selected from the cameras displayed on the map in the third screen 430, or drag and drop the surveillance cameras to the camera selection area configured on the screen. Alternatively, a method of inputting IDs of surveillance cameras using an input means such as a keyboard or a keypad, or selecting event information received in real time may be used. Here, since the event information includes the IDs of the cameras, the cameras may be configured to be selected as the monitoring target cameras by clicking the event information on the cameras that frequently generate the event.

As shown in FIG. 5, when event information about selected cameras is received, a display control operation of a map is performed such that the corresponding cameras are displayed on one screen. For example, if a user selects camera ID # 20, # 24, # 27 in the airport tower 411 surveillance area, and receives event information related to the cameras # 20, # 24, # 27, The control PC 300 performs a display control operation of the map such that the cameras # 20, # 24, and # 27 are displayed on one screen.

Here, event information may be simultaneously received from surveillance cameras, or event information related to at least one of camera ID # 20, # 24, and # 27 may be sequentially or sporadically received. The control PC 300 identifies the cameras having received the event information according to the update cycle and controls the display of the map. Therefore, when the update cycle is 10 seconds, the control PC 300 performs the camera ID # 20, # 24, # 27 among the 10 seconds. When event information is received from at least one, display control of the map is performed on the corresponding cameras.

More specifically, in FIG. 5A, when event information related to camera ID # 20 is received, display control of the map is performed such that the camera # 20 is located at the center of the screen. do.

In FIG. 5B, when event information related to camera ID # 27 is received within the update period, the cameras corresponding to camera ID # 20 and # 27 are displayed on one screen. The display control of is performed. Here, the display area of the map is moved so that cameras corresponding to camera ID # 20 and # 27 are displayed on one screen centering on the center of gravity of the cameras corresponding to camera ID # 20 and # 27, An operation of expanding or contracting the map is performed.

In FIG. 5C, when event information related to camera ID # 24 is received within the update period, cameras corresponding to camera ID # 20, # 27, and # 24 are displayed on one screen. Display control of the map is performed to be displayed. At this time, the display area of the map is moved or the map is enlarged or reduced so that the cameras are displayed on one screen centering on the center of gravity of the cameras corresponding to camera ID # 20, # 27, and # 24. The operation is performed.

When the user selects at least one of the cameras # 20, # 24, and # 27 displayed on the screen, the event information related to the camera may be displayed, or an image corresponding to the event information may be output on the screen. . When the event information on the cameras does not occur within the corresponding time while checking the update period, the map display control unit 330 returns the display state of the map to the original position as shown in FIG. You can. Therefore, the display state of the map is automatically repositioned to the state before the display control operation of the map is performed.

Meanwhile, the above-described information storage unit 340 of FIG. 2 includes a cache, a read only memory (ROM), a programmable ROM (PROM), an erasable programmable ROM (EPROM), an electrically erasable programmable ROM (EEPROM), and a flash memory (Flash memory). It may be implemented as at least one of a nonvolatile memory device such as a volatile memory device such as a random access memory (RAM) or a storage medium such as a hard disk drive (HDD), a CD-ROM, but is not limited thereto.

In addition, each component illustrated in FIG. 2 may be configured as a kind of 'module'. The 'module' refers to a hardware component such as software or a field programmable gate array (FPGA) or an application specific integrated circuit (ASIC), and the module plays a role. However, modules are not meant to be limited to software or hardware. A module may be configured to reside on an addressable storage medium and may be configured to execute one or more processors. The functionality provided by the components and modules may be combined into a smaller number of components and modules or further separated into additional components and modules.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features thereof. You will understand that. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive.

1 is a conceptual diagram of a video surveillance system according to an embodiment of the present invention.

2 is a block diagram of a map display control apparatus according to an embodiment of the present invention.

3 is a flowchart of a method of controlling a map display according to an embodiment of the present invention.

4 illustrates a map associated with a surveillance region according to an embodiment of the present invention.

5 is a conceptual diagram of a map display control method according to an embodiment of the present invention;

<Explanation of symbols on main parts of the drawings>

100: control server

200: network video recorder

300: control pc

301: map display control unit 310: communication unit

312: operation unit 315: monitoring target selection unit

320: event receiving unit 330: map display control unit

335: update cycle setting unit 340: information storage unit

Claims (9)

In the map display control device for performing communication with the control server for the integrated control of events generated in the monitoring area, An event receiver configured to receive event information related to a plurality of cameras installed in the surveillance area; And And a map display controller configured to display a plurality of cameras related to the event information on a map, and to control the display of the map such that the plurality of cameras are displayed on one screen. The method of claim 1, wherein the map display control unit In controlling the display of the map, the display area of the map is moved or the map is enlarged or reduced so that the plurality of cameras are displayed on one screen based on the center of gravity of the plurality of cameras. Map display control device. 3. The method of claim 2, And a monitoring target selection unit configured to select cameras selected as monitoring targets from among the plurality of cameras as processing targets of the event receiving unit. The method of claim 1, And an update period setting unit for setting the update period such that the map display control unit controls the display of the map in accordance with an update period. A method of controlling a map display in a map display control device that communicates with a control server that integrates and controls events generated in a surveillance area, (A) receiving, by the map display control device, event information related to a plurality of cameras installed in the surveillance area; And (B) controlling, by the map display control apparatus, to display a plurality of cameras related to the event information on a map, and to control the display of the map such that the plurality of cameras are displayed on a single screen. Way. The apparatus of claim 5, wherein the map display control device In controlling the display of the map, the display area of the map is moved or the map is enlarged or reduced so that the plurality of cameras are displayed on one screen based on the center of gravity of the plurality of cameras. Map display control method to do. The apparatus of claim 6, wherein the map display control device is And controlling the display of the map on cameras selected as monitoring targets among the plurality of cameras. The apparatus of claim 5, wherein the map display control device And controlling the display of the map in accordance with an update period. The apparatus of claim 8, wherein the map display control device comprises: After controlling the display of the map, if the event information for the plurality of cameras is not received within a corresponding time while checking the update period, repositioning the display state of the map; Way.

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