JP5055019B2 - Surveillance camera system and display method of large screen display device - Google Patents

Description

  The present invention relates to a surveillance camera system, and more particularly, to a CCTV (Closed Circuit Tele Vision) system that displays a single video by arranging a plurality of display devices.

Conventionally, in a surveillance camera system such as a CCTV (Closed Circuit Tele Vision) system, a surveillance station registers a plurality of preset positions in advance for each surveillance camera in order to display images acquired by the surveillance cameras. By specifying the preset position identification number, the necessary video is quickly and easily displayed on the display unit of the monitoring terminal.
Further, at this time, the monitoring camera and the monitoring terminal are coupled by a transmission line such as a network line, for example, and a Web browser displayed on the display unit of the monitoring terminal is displayed by a GUI (Graphical User Interface) with a pointing device, a keyboard, or the like. The image is switched to the desired image by operation or the like (see Patent Document 1).

  The monitoring station has a large screen display device in which a plurality of display devices are arranged to display one video on a large screen. The operation of the large screen display device was performed by a separate controller attached to the large screen display device.

JP 2006-303916 A

Conventionally, the monitoring terminal that displays the Web screen of the surveillance camera system, such as CCTV (Closed Circuit Tele Vision) system, and the operating device of the large screen display device are independent of each other and are operated separately, and the operation is complicated. Met.
An object of the present invention is to solve the above-described problems and provide a surveillance camera system that can operate a large screen display device on a Web screen displayed on a surveillance terminal.

  In order to achieve the above object, the surveillance camera system of the present invention arranges the operation buttons of the large screen display device on the Web screen displayed on the monitoring terminal of the monitoring station, and operates the large screen display device by GUI operation. The screen operation can be performed.

  That is, the surveillance camera system of the present invention includes a large screen display device configured by adjoining a plurality of cameras and a plurality of displays for displaying images acquired by the cameras via the network, and the camera, the large screen display device, and the network. The monitoring terminal controls the video displayed on the large screen display device by controlling the screen arrangement and the enlarged display of the video displayed on the large screen display device.

  According to the present invention, in a monitoring camera system such as a CCTV system, a monitoring person can also realize a display operation of a large screen display device for monitoring video transmitted from the monitoring camera, and centralized management is possible.

  A schematic configuration of an embodiment of the surveillance camera system of the present invention will be described with reference to FIG. FIG. 1 is a system configuration diagram of a surveillance camera system such as a CCTV (Closed Circuit Tele Vision) system of the present invention. 1 is a monitoring terminal, 2 is a management server, 3 is a large screen display device, 301 to 308 are displays constituting the display unit of the large screen display device 3, 309 is a platform on which the displays 301 to 308 are placed, 4 is a control device, 5 Is a network, 61 and 62 to 6n are monitoring cameras, and 7 is a monitoring station (n is a natural number). The monitoring station 7 includes a monitoring terminal 1, a management server 2, a large screen display device 3, and a control device 4. The surveillance camera 61 is not limited to any of the surveillance cameras 61 and 62 to 6n, and is generally referred to as the surveillance camera 6 when referring to the surveillance camera.

The displays 301 to 308 constituting the display unit of the large screen display device 3 are, for example, 55-type PDP (Plasma Display Panel), FED (Field Emission Display), EL display (Electro Luminescence Display), liquid crystal projector, etc. FPD (Flat Panel Display).
In addition, the screen size of the display unit of the monitoring terminal 1 is usually the same as or smaller than the screen size of the displays 301 to 308.
The network 5 is, for example, a dedicated line, and is, for example, a LAN (Local Area Network).

In FIG. 1, each of the monitoring cameras 61 and 62 to 6n acquires a video at a designated viewing angle, and as a video data via a network 5, a monitoring terminal 1, a management server 2, and a control device. Send to 4.
The monitor of the monitoring station 7 selects the desired monitoring camera 6 by operating the monitoring terminal 1 by GUI (Graphical User Interface) operation or the like, and displays the video of the selected monitoring camera 6 on the display unit. The operation of the monitoring terminal 1 is performed by a monitor by a GUI operation or the like on a display screen displayed in the Web browser format on the display unit.

At this time, the operation content from the monitoring terminal 1 is transmitted to the management server 2 via the network 5, and the management server 2 sends a control signal to the monitoring camera 6 via the network 5 along with registration or update of the operation content. To send and operate.
In FIG. 1, the devices in the monitoring station 7 (the monitoring terminal 1, the management server 2, and the control device 4) and the monitoring camera 6 are combined in the same network 5. However, in addition to the network 5 connecting the monitoring station 7 and the monitoring camera 6, the connection between the monitoring terminal 1, the management server 2, the large screen display device 3 and the control device 4 in the monitoring station 7 is connected to the LAN ( Local area network) or a local area network such as a wireless LAN, or a transmission path such as a transmission cable may be combined separately.

  In FIG. 1, the monitoring person switches the selection of the monitoring camera 6 at the monitoring terminal 1, or changes the viewing angle by switching the preset position or changing the viewing angle even if the monitoring camera 6 is the same. The desired video is displayed on the screen.

  The large-screen display device 3 is mainly used when multiple observers are looking at the same video and considering countermeasures, but when the monitor is too small for the monitor terminal 1 to make a judgment. The video is enlarged and displayed on the large screen display device.

  FIG. 2 is a diagram for explaining an embodiment of the display screen displayed on the display unit of the monitoring terminal of the present invention. FIG. 2 shows the display of the operation screen corresponding to the operation of the large screen display device in the Web browser format. 20 is a display screen, 21 is a display section of the video received from the surveillance camera 6, 22 is an operation section, 23 is a group of preset buttons for specifying a preset position, 24 is a map indicating a monitoring area, and 25 is a selected monitoring Button group for controlling the pan angle and tilt angle of camera 6, 26 is a button group for controlling the zoom magnification of the selected surveillance camera 6, 27 is a button for switching to the operation of the large screen display device 3, and 28 is an operation button. A cancel button 29 for canceling, and an end button 29 for stopping the operation. Pressing the end button 29 returns to the initial screen (not shown).

In the display screen of FIG. 2, a map 24 is a map for selecting video sources (cameras and preset positions) to be displayed on the displays 301 to 308 of the large screen display device 3. The monitor selects a desired camera from the cameras displayed graphically in the map 24 indicating the monitoring area. Further, a desired button of the preset button group 23 is selected, and a video is displayed on the display unit 21 to watch a video transmitted from each camera 6.
At this time, the monitor looks at the displayed video for monitoring and, if the viewing angle needs to be adjusted, controls the button group 25 displayed in the operation unit 22 to control the pan angle or tilt angle, Alternatively, the movement (angle change) speed is changed, and the zoom factor is changed by operating the button group 26. If the selected camera 6 determines that a desired video cannot be obtained, the user views the map 24 and operates the button 27 to select another camera 6.

  In addition, when the monitor wants to display a video different from the currently displayed video on the large screen display device 3, the monitor switches to the operation of the large screen display device 3 by pressing the button 28. At this time, as shown in FIG. 3, the display on the display unit of the monitoring terminal 1 is switched.

  FIG. 3 is a diagram when the display unit of the monitoring terminal 1 is switched to the operation screen of the large screen display device 3. Reference numeral 30 is a display screen, and 31 is a display unit for video received from the surveillance camera 6. In addition, 22 is an operation unit, 33 is a button group for selecting how to display an image on the displays 301 to 308 of the large screen display device 3, 24 is a map indicating a monitoring area, and 25 is a selected monitoring. Buttons for controlling the pan angle and tilt angle of the camera 6, 26 is a button group for controlling the zoom magnification of the selected surveillance camera 6, 27 'is a button for switching to the operation of the original preset operation screen, and 28 is an operation A cancel button 29 for canceling the operation, and an end button 29 for stopping the operation.

In FIG. 3, when the video to be displayed on the large screen display device 3 is selected, the camera displayed on the map 24 is selected. The map 24 has tabs, and the display can be switched to another map by tab selection.
When the video source to be enlarged is selected on the map 24, the display of the large screen display device 3 is switched, and the display 31 of the display screen 30 of the monitoring terminal 1 and the display of the button group 33 are also displayed on the large screen display device 3. Are displayed in the same arrangement.

  In FIG. 2, this process may be omitted when displaying the screen that was displayed before switching the operation screen. In this case, the selected video on the large screen display device 3 is displayed with the central portion of the display (displays 302, 303, 306, and 307) as one screen. The other displays 301, 304, 305, and 308 retain the previous display.

The original video displayed on each of the displays 301 to 308 is associated with the button group 33 of the monitoring terminal 1 corresponding to the eight displays 301 to 308 of the large screen display device 3. When images from different video sources are displayed on the displays 301 to 308, the reduced images are displayed.
The monitor looks at the button group 33, selects it with a pointer, etc., and selects an enlargement button (not shown) on the operation unit 22, so that the display 301 to 308 of the large screen display device 3 is displayed at the enlargement rate. The display is switched. At the same time, the button group 33 is displayed in the same manner.

The enlargement ratio of the video displayed on the large screen display device 3 can be set to 4 times, 9 times, 16 times, or the like.
In the case of four times, four of the displays 301 to 308 are used. In this case, the video of the previous video source is displayed on the display that is not used.
For example, when the displays 301, 302, 305, and 306 are enlarged and displayed, the original display video remains on the displays 303, 304, 307, and 308.

If the display to be enlarged is subsequently changed, the display that has not been specified redisplays the original video source.
For example, when the display 301, 302, 305, and 306 is initially enlarged using the display 301, the display to be displayed is changed, and the display 302, 303, 306, and 307 is used for the enlarged display. In this case, the displays 304 and 308 of the remaining displays do not change, and the previous images are redisplayed on the displays 301 and 305.

Next, when the enlargement ratio is set to 16 times, as shown in FIG. 4, one whole video source (the whole video 40) cannot be displayed. Therefore, as shown in FIG. 4 (a), only the middle part of the video source (display part 41: hatched part) is displayed. Reference numeral 42 denotes an undisplayed portion (broken line frame). Alternatively, as shown in FIG. 4 (b), only the lower part of the video source is displayed. Alternatively, as shown in FIG. 4C, only the upper part of the video source is displayed. Change this one. Or, in order or only two systems are switched and displayed alternately.
In FIG. 4, the table 309 is omitted because it is difficult to understand for explanation.

In addition, when the enlargement ratio is set to 9 times, it is not possible to display all parts of the video source, but it is possible to change the combination and display a part thereof.
FIG. 5 is a display example thereof. 50 is the entire video source, 51 is the display portion (hatched portion), 52 is the undisplayed portion (broken line frame), and 53 is the previous image (solid line frame without hatching).
In the display example of FIG. 5, the lower two stages of the entire video source 50 are displayed on the displays 301 to 303 and 305 to 307, but it is obvious that other combinations may be used. Therefore, the monitoring person can enlarge and display a desired portion.
In FIG. 5, the table 309 is omitted because it is difficult to understand for explanation.

In the embodiment shown in FIGS. 1 to 5, the number of displays is eight. However, you may comprise other than eight units.
For example, 12 units (see FIG. 6 (a)), for example, 9 units (see FIG. 6 (b)) may be used. Here, 600 is a large screen display device composed of 12 displays, 601 to 612 are displays, 613 is a stand, 600 ′ is a large screen display device composed of 9 displays, 614 to 622 are displays, 623 is a display It is a stand.

FIG. 7 shows an embodiment in which the video source is displayed 16 times on nine large-screen display devices 600 ′. Also in this figure, the table 623 is omitted.
In FIG. 7, reference numeral 70 denotes the entire video source, 71 denotes a display portion (hatched portion), and 72 denotes an undisplayed portion (dashed line frame).

In the large screen display device of the above embodiment (see FIGS. 1 and 6), not only one video source is enlarged but also another related video source is simultaneously displayed on any one display (one unit). (Not limited to).
FIG. 8 shows an embodiment thereof (the table is not shown). For example, in a large screen display device composed of 16 displays, one video source is enlarged and displayed on the left three columns of display (video 81). In the right column, individual images (images 82 to 84) are displayed.
As shown in FIG. 8, the enlarged images 81 and 82 may be a part of the video source instead of the entire video source. The display combination can be freely changed by the supervisor.

  In the above-described embodiment, there are several screens displaying images in the figure. For example, the display 301 to 308 in FIG. 1, the display unit 21 in FIG. 2, the map 24, the preset button group 23, etc. (the same applies to FIG. 3 and subsequent figures). However, it is omitted because it is complicated. The preset button group 23 normally displays a reduced image of the video when the preset setting is registered or changed, but is not displayed for buttons that are not registered.

  According to the above-described embodiment, the control device 4 of the large screen display device 3 and the management server 2 are connected by the transmission line, and the control signal interface is established to establish communication between the control device 4 and the management server 2. Can do. Then, the operation screen of the large screen display device 3 can be arranged on the Web screen of the monitoring terminal 1.

  Therefore, by providing the operation screen of the large screen display device 3 on the display screen of the display unit of the monitoring terminal 1, the monitor can easily and quickly display the video from the surveillance camera on the large screen. It can be performed and collective management becomes possible.

The system block diagram of one Example of the surveillance camera system of this invention. The figure explaining one Example of the display screen of this invention. The figure explaining one Example of the display screen of this invention. The figure explaining one Example of the display screen of this invention. The figure explaining one Example of the display screen of this invention. The figure explaining one Example of the display screen of this invention. The figure explaining one Example of the display screen of this invention. The figure explaining one Example of the display screen of this invention.

Explanation of symbols

  1: monitoring terminal 2: management server 3: large screen display device 4: control device 5: network network 6: surveillance camera 7: monitoring station 20: display screen 21: display unit 22: operation , 23: Preset button group, 24: Map, 25 :, 26: Button group, 27, 27 ', 28, 29: Button, 30: Display screen, 31: Display unit, 33: Button group, 40: Whole video , 41: display part, 42: non-display part, 50: entire picture, 51: display part, 52: non-display part, 53: previous picture, 61, 62-6n: surveillance camera, 70: whole picture, 71: Display part, 72: Undisplayed part, 81-84: Video, 301-308: Display, 309: Stand, 600, 600 ': Large screen display device, 601-612, 614-622: Display, 613, 623: Stand .

Claims (3)

A plurality of cameras and a plurality of displays that display images acquired by the camera via a network are adjacent to each other, and images acquired by one camera can be enlarged and displayed on two or more adjacent displays. A monitoring camera system comprising a large screen display device, a camera and a monitoring terminal that controls video displayed on the large screen display device by communicating with the large screen display device via a network,
The monitoring terminal displays an image on a first screen on which a first button group for designating a preset position of the large screen display device is displayed or on each of the plurality of displays of the large screen display device. A display unit that switches and displays a second screen on which a second button group for selecting whether to perform the operation is displayed. By operating the screen displayed on the display unit, the large screen display device The video to be displayed is arranged for each frame of the first screen according to the number of the plurality of displays of the large screen display device, and the screen arrangement and the enlarged display are controlled. Surveillance camera system. The surveillance camera system according to claim 1,
The monitoring terminal designates an enlargement ratio of an image to be enlarged and displayed on a large screen display device, displays an image on the plurality of displays according to the enlargement ratio, and displays another image on a display that does not display the enlarged image. Surveillance camera system characterized by controlling to make it happen. A plurality of cameras and a plurality of displays that display images acquired by the camera via a network are adjacent to each other, and images acquired by one camera can be enlarged and displayed on two or more adjacent displays. Display of a large screen display device in a surveillance camera system comprising a large screen display device and a monitoring terminal that communicates with the camera and the large screen display device via a network and controls video displayed on the large screen display device A method,
A screen for displaying a first button group for specifying a preset position of the large screen display device or a method for selecting how to display an image on each of the plurality of displays of the large screen display device. The screen displaying the two button groups is switched and displayed on the display unit of the monitoring terminal, and the video displayed on the large screen display device by operating the screen displayed on the display unit is displayed on the large screen. A display method for a large-screen display device, wherein an image is arranged for each frame of the first screen according to the number of the plurality of displays of the display device, and the screen arrangement and the enlarged display are controlled.

Images