JP2001128148A - Monitoring system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a monitor system provided with a display function which enables a user to easily recognize the photographing direction, the direction of the center, the angle of view, etc., of a monitor camera on a display screen on which a picture photographed by the monitor camera is displayed. SOLUTION: A photographic picture and an operation picture display processing part 21 provided in a monitor device (PC) 13 displays a picture (Video) photographed by a video camera VC 11 in a display area A1 and displays a direction Sc of the center and an angle Sa of view of the camera VC, which follows up the control operation of a camera driving controller CONT 12, in a display area A2 under the control of a control part 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
(Closed-circuit television) The present invention relates to a monitoring system suitable for being used when remotely monitoring a road, a river, or various facilities, facilities, and the like using a (closed-circuit television) system.

[0002]

2. Description of the Related Art Conventionally, a CCTV (closed circuit televisio) for transmitting video information (hereinafter simply referred to as video) via a transmission path using an optical fiber cable, a metal cable, or the like.
n) built using the system, eg roads, rivers,
In a surveillance system for remotely monitoring various facilities and equipment, a video camera (surveillance camera) transmits an image captured by a video camera to a monitoring system, and the video is simply displayed and output on a display screen of the monitoring monitor. For this reason, for example, when a mechanism capable of remotely controlling the turning control of the surveillance camera, the angle of view control, and the like is provided, there arises a problem that the observer cannot grasp the turning position, the angle of view, and the like of the displayed and output video.

[0003]

As described above, conventionally, in a remote monitoring system using a CCTV system, an image captured by a monitoring camera is transmitted to a monitoring system, and this image is simply monitored. When a mechanism that can remotely control the turning control of the surveillance camera, the angle of view control, and the like is provided, the turning position, the angle of view, and the like of the displayed image are monitored. There was a problem that members could not grasp.

[0004] The present invention has been made in view of the above circumstances,
It is an object of the present invention to provide a surveillance system having a display function for easily grasping the photographing direction or the center direction of the surveillance camera on a display screen displaying an image photographed by the surveillance camera.

Another object of the present invention is to provide a surveillance system having a display function that allows the angle of view of the surveillance camera to be easily grasped on a display screen displaying an image captured by the surveillance camera.

[0006]

A surveillance system according to the present invention provides a display device on a surveillance monitor for displaying and outputting an image photographed by a surveillance camera, in addition to the image photographed by the surveillance camera. By simultaneously displaying at least one of the shooting direction or the center direction of the surveillance camera and the angle of view, the observer can monitor the video to be monitored and the shooting direction or the center direction of the surveillance camera at the time of shooting the video, the angle of view, and the like. It is characterized by being able to be grasped simultaneously and easily.

That is, a surveillance system according to the present invention comprises a surveillance camera capable of turning control for photographing an object to be monitored, and a display means for displaying an image photographed by the surveillance camera together with a photographing direction of a corresponding surveillance camera. It is characterized by becoming.

Further, the present invention comprises a surveillance camera capable of controlling an angle of view for photographing an object to be monitored, and display means for displaying an image photographed by the surveillance camera together with a corresponding angle of view of the surveillance camera. Features.

Further, the present invention provides a surveillance camera for photographing an object to be monitored, camera drive control means for controlling a photographing direction and an angle of view of the surveillance camera, and a camera drive control means for following the control of the camera drive control means. Display means for displaying the center direction and the angle of view on the same screen in real time together with the video taken by the surveillance camera.

Further, the present invention is characterized in that, in the above-mentioned surveillance system, at least a photographing direction, a center direction, or an angle of view of a camera is displayed on a map indicating a monitored area.

Further, the present invention is characterized in that, in the above-mentioned surveillance system, an operation button for driving and controlling the surveillance camera is displayed on the same screen together with an image photographed by the surveillance camera.

With the system configuration of the present invention as described above, the photographing direction, center direction, angle of view, and the like of the surveillance camera can be easily grasped on the display screen displaying the images photographed by the surveillance camera.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of a system according to an embodiment of the present invention.

In FIG. 1, reference numeral 10 denotes a camera system installed at each monitoring point on a route to be monitored. Reference numerals 11 and 12 each constitute a component of the camera system 10. Reference numeral 11 denotes a monitoring video camera (VC) for capturing an image of a monitoring target. Reference numeral 12 denotes an instruction sent from a monitoring personal computer (monitoring device) described later. A camera drive controller (CONT) that controls the shooting direction (turning position), angle of view, start / stop, and the like of the monitoring video camera (VC) 11 based on the information (CC).

Reference numeral 13 denotes a monitoring device (PC) provided on the monitoring side using, for example, a personal computer. The monitoring device (PC) includes a video camera (VC) 11 and a camera system 10 comprising a camera drive controller (CONT) 12 and an optical system. The connection is made via a transmission line using a fiber cable or a metal cable.

The monitoring devices (P) 14 and 15 are respectively
C) a component of an input / output unit provided in 13; 14 is a video (Video) taken by the video camera (VC) 11 and a camera drive controller (CONT) 1
The camera drive controller (CON) based on the control state signal (DD) such as the shooting direction (turning position) and the angle of view acquired from
The monitoring camera (VC) 11 follows the control operation of T) 12.
Is a display unit that displays the center direction and the angle of view of the image on the same screen in real time together with the video taken by the monitoring camera (VC) 11. Reference numeral 15 denotes an operation input unit that operates an operation button displayed on the display screen of the display unit 14 and includes, for example, a pointing device such as a mouse, a keyboard, and the like. Instruction information (CC) according to the operation of the operation input unit is a camera. It is sent to the drive controller (CONT) 12.

FIG. 2 shows an example of a display screen configuration of the display unit 14 in the above embodiment. Here, a display area A1 for displaying a video (Video) shot by the video camera (VC) 11 and a display area A1 are shown. , The camera drive controller (CO
(NT) 12 surveillance camera (VC) 1 following the control operation
1 display area A for displaying the center direction Sc and the angle of view Sa
2 and display areas A3, A4 for operation icons and operation buttons
Are displayed on the same display screen.

FIG. 3 is a block diagram showing the internal functional configuration of the monitoring device (PC) 13 using the personal computer in the above embodiment.

In FIG. 1, reference numeral 21 denotes an image (Video) photographed by the video camera (VC) 11 and a camera drive controller (CONT) 1 under the control of the control unit 20.
2 based on a control state signal (DD) such as a photographing direction (turning position) and an angle of view obtained from the photographing direction and the operation screen display processing unit for generating a display screen having a plurality of windows as shown in FIG. Yes, here the video camera (VC) 11
(Video) displayed in the display area A1 and display data indicating the camera center direction based on the turning position information included in the control state signal (DD) obtained from the camera drive controller (CONT) 12 (Display data indicating the center line) is generated, and pattern data indicating the angle of view of the camera is generated on the basis of the angle of view information included in the control state signal (DD). The center direction Sc and the angle of view Sa of the camera (VC) 11 are displayed.

Reference numeral 22 is also under the control of the control unit 20,
This is an operation screen coordinate input processing unit that determines the button operation contents of the display areas A3 and A4 by operating the mouse 16 included in the operation input unit 15.

Reference numeral 23 is also under the control of the control unit 20,
This is a camera control information generation processing unit that generates instruction information (CC) accompanying the button operation of the mouse 16 and sends it to the camera drive controller (CONT) 12.

Here, the operation in the embodiment of the present invention will be described with reference to the above-mentioned figures.

The video camera (VC) 11 is controlled by a camera drive controller (CONT) 12 to start / stop, turn,
And the angle of view are controlled, and the video (Vid
eo) is transmitted to a monitoring device (PC) 13 using a personal computer on the monitoring side via a transmission path. Also,
From the camera drive controller (CONT) 12, a control state signal (DD) indicating each state of the video camera (VC) 11, such as an operating state, a turning position, and an angle of view, is also transmitted via a transmission path to a personal computer on the monitoring side. It is sent to a monitoring device (PC) 13 using a computer.

Under the control of the control unit 20, a captured video / operation screen display processing unit 21 provided in the monitoring device (PC) 13 controls the video (V) captured by the video camera (VC) 11.
2) is displayed in the display area A1 shown in FIG. 2, and the center direction Sc and the angle of view Sa of the monitoring camera (VC) 11 which follows the control operation of the camera drive controller (CONT) 12.
Is displayed in the display area A2, and the operation icons and the operation buttons are displayed in the display areas A3 and A4. At this time,
The operation screen display processing unit 21 includes a camera drive controller (CON
T) Display data indicating the camera center direction (display data indicating the center line) is generated based on the turning position information included in the control state signal (DD) obtained from T12, and is also included in the control state signal (DD). Pattern data indicating the angle of view of the camera is generated based on the angle of view information, and the center direction Sc and the angle of view Sa of the monitoring camera (VC) 11 are displayed in the display area A2 shown in FIG. Alternatively, map data of the monitoring target area is prepared in advance in the captured video / operation screen display processing unit 21 and the monitoring camera (V) is displayed in the display area A2.
C) The center direction Sc and the angle of view Sa of 11 are displayed on the map of the monitoring target area.

The observer operates the center direction Sc and the angle of view S of the monitoring camera (VC) 11 displayed in the display area A2.
a from the video (Vid) displayed in the display area A1.
eo) can be easily recognized in what photographing direction and angle of view.

By referring to the center direction Sc and the angle of view Sa of the surveillance camera (VC) 11 displayed in the display area A2, for example, the operation icon of the display area A3 or When the operation button of the display area A4 is operated to change the shooting direction, the angle of view, and the like, instruction information (CC) associated with the operation is generated by the operation screen coordinate input processing unit 22, and the instruction information (CC) is generated. ) Is connected to the camera drive controller (CON) via the transmission path.
T) 12.

By the above-described operation, the observer can monitor the surveillance camera (VC) 11 displayed in the display area A2.
With reference to the center direction Sc and the angle of view Sa, an image in an arbitrary shooting direction and angle of view can be displayed in the display area A1.

In the above-described embodiment, the display screen configuration in which all the display areas A1 to A4 are simultaneously displayed on the same screen has been described as an example.
A4 to A4 are individually displayed on the display screen by selection control by the operation input of the observer, or the surveillance camera (V
C) A configuration in which a window corresponding to the display area A2 is opened in a partial area of the video captured by 11 and the center direction Sc and the angle of view Sa of the surveillance camera (VC) 11 are displayed in the window, or the surveillance camera (VC) A) a configuration in which the shooting direction of 11 (for example, an arrow pattern indicating the direction) and the angle of view Sa are respectively displayed on separate screens, or the monitoring camera (VC) 1
1 center direction Sc (straight line pattern) and the angle of view S
The display screen configuration may be another display mode, such as a configuration in which a is displayed on separate screens.

[0030]

As described above in detail, according to the present invention, a surveillance system having a display function capable of easily grasping the photographing direction or center direction of a surveillance camera on a display screen displaying an image photographed by the surveillance camera. Can be provided.

Further, according to the present invention, it is possible to provide a surveillance system having a display function for easily grasping the angle of view of the surveillance camera on a display screen for displaying an image captured by the surveillance camera.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a monitoring system according to an embodiment of the present invention.

FIG. 2 is an exemplary view showing a configuration example of a display screen in the embodiment.

FIG. 3 is an exemplary block diagram showing a functional configuration of a main part of the monitoring device using the personal computer according to the embodiment;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... Camera system 11 ... Video camera (VC) 12 ... Camera drive controller (CONT) 13 ... Monitoring device using personal computer (P
C) 14 display unit 15 operation input unit 16 mouse 20 control unit 21 photographed image / operation screen display processing unit 22 operation screen coordinate input processing unit 23 camera control information generation processing unit

Claims (6)

[Claims] 1. A surveillance camera capable of turning control for photographing an object to be monitored, a display for acquiring a photographing direction from a turning position of the surveillance camera, and displaying an image photographed by the surveillance camera together with a photographing direction of a corresponding surveillance camera. And a monitoring system. 2. A surveillance camera capable of controlling an angle of view for photographing an object to be monitored, and display means for displaying an image photographed by the surveillance camera together with a corresponding angle of view of the surveillance camera. Monitoring system. 3. A surveillance camera for photographing a surveillance target, camera drive control means for controlling a photographing direction and an angle of view of the surveillance camera, and a center direction of the surveillance camera following control of the camera drive control means. A monitoring system, comprising: display means for displaying an angle of view on the same screen in real time together with an image captured by the monitoring camera. 4. The camera according to claim 1, wherein a photographing direction or a center direction of the camera is displayed on a map indicating a monitoring target area.
The described monitoring system. 5. The monitoring system according to claim 2, wherein the angle of view is displayed on a map indicating the monitoring target area. 6. The surveillance system according to claim 1, wherein an operation button for driving and controlling the surveillance camera is displayed on the same screen together with an image photographed by the surveillance camera.