JP2003009135A - Camera supervising control system and image server - Google Patents

Abstract

PROBLEM TO BE SOLVED: To display an imaging range of a camera capable of being sensuously known. SOLUTION: A camera supervising control system delivers image information acquired by the camera 1 having at least one function of revolving and zooming from an image server 2 to a terminal equipment 4. The equipment 4 has a Web browser 41, and the server 2 has a WWW sever 21. The sever 21 provides a program for generating an imaging range display means 42 for displaying the imaging range regarding the camera 1 on a map image in the browser 41.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used in a camera monitoring control system for distributing image information obtained by a camera having at least one of a turning function and a zoom function from an image server to a terminal device, and the system. It relates to an image server.

[0002]

[Prior art]

SUMMARY OF THE INVENTION The camera monitoring and control system as described above captures an image of a range from which direction even if controlled from the terminal device side capable of controlling the framework such as turning and zooming. I couldn't know if it was something. Further, even if a numerical value or the like is displayed as a result of the control, the posture and zoom ratio of the camera are not known.

Furthermore, if it is possible to control a framework such as turning and zooming by using an image in which the image pickup range and the posture of the camera are sensuously displayed, a suitable monitoring environment can be provided.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a camera monitoring control system and an image server used therefor, which enables a display in which the image pickup range of a camera can be intuitively known. Is to provide.

Another object is to provide a camera monitoring control system capable of controlling a framework such as turning and zooming by using an image in which an image pickup range and a posture of a camera are sensuously displayed, and an image used therefor. It is to provide a server.

[0006]

A camera monitoring control system according to claim 1 of the present invention delivers image information obtained by a camera having at least one of a turning function and a zoom function from an image server to a terminal device. In the camera monitoring control system as described above, the terminal device is provided with a web browser, the image server is provided with a WWW server, and the WWW server displays an image pickup range of the camera on a map image in the web browser. It is characterized in that a program for generating an image pickup range display means to be displayed is provided.

In the camera monitoring control system according to a second aspect of the present invention, the image pickup range display means displays a camera icon and an image pickup range corresponding to the camera on a map image, depending on the framework of the camera. The direction and the image pickup range of the camera icon are changed.

In the camera monitoring control system according to a third aspect of the present invention, the image pickup range display means displays a camera icon and an image pickup range corresponding to the camera on a map image, depending on the framework of the camera. The map image and the image pickup range are changed.

According to a fourth aspect of the present invention, there is provided a camera monitoring control system in which image information obtained by a camera having at least one function of turning and zooming is distributed from an image server to a terminal device. In the system, the terminal device is provided with a web browser, the image server is provided with a WWW server, and the WWW server displays an image pickup range for the camera on a map image in the web browser. And a camera state control accepting unit for transmitting a control request relating to the state of the camera to the image server in response to an input operation for changing the image capturing range displayed by the image capturing range display unit. It is characterized by

The image server according to claim 5 of the present invention is
In an image server provided with a WWW server that delivers image information obtained by a camera having at least one of a turning function and a zoom function to a terminal device having a Web browser, the WWW server displays the map image on the map image in the Web browser. A program for generating an imaging range display means for displaying an imaging range regarding a camera is provided.

An image server according to claim 6 of the present invention is
In an image server provided with a WWW server that delivers image information obtained by a camera having at least one of a turning function and a zoom function to a terminal device having a Web browser, the WWW server displays the map image on the map image in the Web browser. Image pickup range display means for displaying an image pickup range relating to the camera, and camera state control for sending a control request relating to the state of the camera to the image server in response to an input operation for changing the image pickup range displayed by the image pickup range display means. It is characterized in that a program for generating the reception means is provided.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A camera monitoring control system and an image server according to embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows a configuration example of a camera monitoring control system according to an embodiment of the present invention. In this camera monitoring control system, the image server 2 according to the embodiment of the present invention is adopted.

The camera monitoring control system shown in FIG. 1 is a system in which the image information obtained by the camera 1 is distributed from the image server 2 to the terminal device 4 via the network 3. The camera 1 is provided with an image pickup unit 11 for picking up an image of a monitoring target, a zoom unit 12 for zooming, a turning unit 13 for turning (left and right and up and down), and a control unit 14 for controlling these.

The image server 2 is composed of a computer system, and the image server 2 includes the WWW server 2.
1 and a monitor control unit 22 are connected to a GIS (Map Information System) 5 for providing map data.

The WWW server 21 provides a program related to an HTML file which causes the image pickup range display means 42 and the camera state control reception means 43 in the web browser 41.

The monitoring control unit 22 controls the camera (zoom, turn) in accordance with the link / instruction from the camera state control accepting means 43 from the terminal device 4, and at the same time, the data of the video imaged by the camera 1 is displayed on the Web browser. The image is converted so that it can be displayed at 41 and provided to the web browser 41, and further, an image obtained by superimposing the image pickup range of the camera 1 on the map image information obtained from GIS5 is provided to the image pickup range display means 42 of the web browser 41. It has a function to do.

The terminal device 4 is composed of a personal computer or the like, and the terminal device 4 has a Web browser 4
1 is provided, the Web browser 41 executes the program related to the HTML file provided from the WWW server 21, and generates the imaging range display means 42 and the camera state control reception means 43.

The image pickup range display means 42 displays the image pickup range of the camera 1 on the map image in the Web browser 41, and the camera state control reception means 43
Upon receiving an input operation for changing the image pickup range displayed by the image pickup range display means 42, a link for a control request relating to the state of the camera 1 is formed in the image server 2.

In the camera monitoring control system configured as described above, the image server 2 operates as shown in the flowcharts of FIGS. 2 to 4, and the terminal device 4 operates as shown in the flowchart of FIG. Because it is done
The operation will be described below based on these flowcharts. In the example of FIG. 1, one camera 1 is used by the image server 2
However, in the following description, it is assumed that several cameras are actually connected and the image server 2 has a site for video distribution by the several cameras. First, the web browser 41 is started up in the terminal device 4 to access the WWW server 21 (S
1).

In response to the above access, the WWW server 2
1 provides the data of the menu screen (S11), and in response to this, the Web browser 41 displays the menu screen as shown in FIG.
(S2). In the menu screen of FIG. 6, a site where a plurality of camera positions are displayed as camera icons C1 to C7 with a map image of the entire surveillance area as a background image and video images of the corresponding cameras are distributed by selecting the camera icons C1 to C7 It is possible to move to.
Here, it is assumed that the camera icon C3 corresponds to the camera 1.

In the Web browser 41, the camera state control receiving means 43 is in an input receiving state (S3), and for example, a site which receives an input relating to the selection of the camera icon C3 and delivers the video of the camera 1, that is, an image server. 2 is linked to the site by the monitoring control unit 22 (S4), and the provided image is displayed on the Web browser 41 (S4).
2).

In response to the above, waiting for camera selection (S12)
The monitoring control unit 22 which is in the image capturing area display unit 4 of the Web browser 41 displays an image obtained by superimposing the planar image capturing area of the camera 1 on the map image information of the corresponding area obtained from the GIS 5.
2 (S13). As a result, the image displayed by the image capturing range display means 42 is, for example, as shown in FIG. 7, an image capturing range imaged by the camera 1 superimposed on the map obtained from the GIS 5 together with the corresponding camera icon C3. is there. This allows the operator of the terminal device 4 to intuitively understand the image capturing range captured by the camera 1.

On the screen displayed by the imaging range display means 42, a "menu" button B1 for returning to the menu screen shown in FIG. 6, a "other mode" button B2 for displaying in another mode, A menu bar M including a “real image” button B3 for displaying an actual image obtained by the camera 1 is additionally provided. In the display state of the screen of FIG. 7, the camera state control accepting unit 43 is in the input accepting state in the Web browser 41 (S3), and when the "menu" button B1 is operated, the WWW server corresponding to this operation is performed. 21 is linked (S4) and the provided menu is displayed (S2).

Corresponding to the above, the supervisory controller 22 waiting for the link (S14) receives the instruction of the "menu" (S15) and shifts to the control by the WWW server 21.

Further, in the display state of the screen of FIG. 7, W
When the camera status control accepting means 43 of the eb browser 41 is in the input accepting status (S3), for example, when the button B2 of "other mode" is operated, the monitoring controller 22 responds thereto
Is linked to the display range provision of another mode by (S4) and the provided image is displayed on the Web browser 41 (S).
2).

On the other hand, the monitor control unit 22 waiting for the link (S14) responds to the link instructed by the "other mode" (S16), and displays a different display mode (planar display range) from the current display mode. The image of the imaging range by the side display which is the display mode is provided to the imaging range display means 42 of the Web browser 41 (S19). For example, as shown in FIG. 8, a side image C of the camera 1 and an image showing the imaging direction and range thereof are created from the control information for the camera 1, provided to the imaging range display means 42, and displayed. This allows the operator of the terminal device 4 to intuitively understand the image capturing range of the camera 1 and the attitude of the camera 1.

Further, in the display state of the screen of FIG. 7, W
When the camera state control accepting means 43 of the eb browser 41 is in the input accepting state (S3), for example, when an operation for changing the camera state is performed, the monitoring controller 2 responds to this.
The state change (zoom, turn) of the camera 1 by 2 is linked (S4), and the provided image is displayed on the Web browser 41 (S2).

On the other hand, the monitor control unit 22 waiting for the link (S14) performs the corresponding camera state control and the changed state in response to the link by the operation for changing the camera state (S17). The image of the image pickup range by the camera 1 of FIG.
(S20).

For example, on the screen shown in FIG. 7, when the point P on the map to be newly imaged is clicked by the mouse, the monitoring control unit 22 which receives the point P turns information corresponding to the control unit 14 of the camera 1. To send. As a result, the control unit 14 controls the turning unit 13 to turn the camera 1. Further, the monitoring control unit 22 rotates the camera icon C based on the turning information to obtain an image as shown in FIG. 9, and provides the image to the imaging range display means 42 for display.

Further, in a state in which the screen of the image pickup range from the side as shown in FIG. 8 is displayed, the mouse pointer is put on the lens portion of the camera icon C and the D & D (drag and By performing the operation of (Drop) (mouse pointer M in FIG. 8)
Shown by P1. ), The camera state control acceptance means 43 accepts, the imaging range display means 42 operates, and the camera icon C is rotated and displayed as shown in FIG. 10, for example. Further, the turning information received by the camera state control receiving means 43 is sent.

The monitoring control unit 22 which has received the above-mentioned turning information sends the corresponding turning information to the control unit 14 of the camera 1. As a result, the control unit 14 controls the turning unit 13 to turn the camera 1.

Further, in the state in which the screen of the image pickup range from the side as shown in FIG. 8 is displayed, the mouse pointer is put on the display portion of the image pickup range appearing from the camera icon C, and it is shown by the arrow 30. To the left and right
By performing a D (drag and drop) operation (indicated by the mouse pointer MP2 in FIG. 8), the camera state control acceptance means 43 accepts and the imaging range display means 4 is performed.
2 operates and the imaging range is changed and displayed as shown in FIG. 11, for example. In this case, the zoom ratio is changed. The zoom ratio information received by the camera state control receiving means 43 is sent to the image server 2.

The monitor control unit 2 which has received the above zoom ratio information
2 sends the corresponding zoom ratio information to the control unit 14 of the camera 1. As a result, the control unit 14 controls the zoom unit 12 to change the zoom ratio of the camera 1.

Further, in response to the above, waiting for link (S14)
The supervisory control unit 22 which is in conformity with the image captured by the camera 1 corresponds to the link by the operation of the “real image” button B3 for requesting the camera image capturing screen (S17).
b It is provided to the browser 41 (S18).

As described above, the posture of the camera 1 can be visually and intuitively grasped to see an actual image, and the posture and the imaging range of the camera 1 can be visually grasped and changed. It is possible and extremely convenient.

In the above description, it is shown that the zoom ratio is changed in a state in which the screen of the image pickup range from the side as shown in FIG. 8 is displayed, but it is shown in FIGS. 7 and 9. It may be performed in a state in which the screen of the imaging range by the flat plane is displayed. In this case,
It is assumed that the mouse pointer is operated so as to widen or narrow the area of the imaging range to perform the D & D (drag and drop) operation. Further, the present invention can be applied to a camera in which the camera has at least one function of turning and zooming.

[0037]

As described above, according to the present invention, W
The WW server provides a program that causes the Web browser to generate an image capturing range display unit that displays the image capturing range of the camera on the map image, so that the image capturing range can be sensuously sensed and monitoring work can be efficiently performed. It is possible.

Further, according to the present invention, the WWW server is a W
In the eb browser, an image capturing range display means for displaying the image capturing range for the camera on the map image, and an input operation for changing the image capturing range displayed by the image capturing range display means are requested to the image server for controlling the state of the camera. Since the program for generating the camera status control acceptance means for sending out is provided, it becomes possible to control the framework such as turning and zooming by using the image in which the imaging range and the posture of the camera are sensuously displayed. It is possible to efficiently carry out monitoring work.

[Brief description of drawings]

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

FIG. 2 is a flowchart for explaining the operation of the image server according to the present invention.

FIG. 3 is a flowchart for explaining the operation of the image server according to the present invention.

FIG. 4 is a flowchart for explaining the operation of the image server according to the present invention.

FIG. 5 is a flowchart for explaining the operation of the terminal device of the camera monitoring control system according to the present invention.

FIG. 6 is a diagram showing an example of a screen displayed by a Web browser of a terminal device in the camera monitoring control system according to the present invention.

FIG. 7 is a diagram showing an example of a screen displayed by a Web browser of a terminal device in the camera monitoring control system according to the present invention.

FIG. 8 is a diagram showing an example of a screen displayed by a Web browser of a terminal device in the camera monitoring control system according to the present invention.

FIG. 9 is a diagram showing an example of a screen displayed by a Web browser of a terminal device in the camera monitoring control system according to the present invention.

FIG. 10 is a diagram showing an example of a screen displayed by a Web browser of a terminal device in the camera monitoring control system according to the present invention.

FIG. 11 is a diagram showing an example of a screen displayed by a Web browser of a terminal device in the camera monitoring control system according to the present invention.

[Explanation of symbols]

1 camera 2 Image server 3 network 4 terminal devices 5 GIS 11 Imaging unit 12 Zoom section 13 Revolving part 14 Control unit 21 WWW server 22 Monitoring and control unit 41 Web browser 42 imaging range display means 43 Camera status control acceptance means

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Claims (6)

[Claims] 1. A camera monitoring control system in which image information obtained by a camera having at least one of a turning function and a zoom function is distributed from an image server to a terminal device, wherein the terminal device includes a Web browser. At the same time, the image server is provided with a WWW server, and the WWW server provides a program for causing the Web browser to generate an imaging range display means for displaying an imaging range of the camera on a map image. Supervisory control system. 2. The image pickup range display means displays a camera icon and an image pickup range corresponding to the camera on a map image, and changes the direction and the image pickup range of the camera icon according to the framework of the camera. The camera monitoring control system according to claim 1, wherein: 3. The image pickup range display means displays a camera icon and an image pickup range corresponding to the camera on a map image, and changes the map image and the image pickup range according to a framework of the camera. The camera monitoring control system according to claim 1. 4. A camera monitoring control system in which image information obtained by a camera having at least one function of turning and zooming is distributed from an image server to a terminal device, wherein the terminal device is provided with a Web browser. Along with the image server, a WWW server is provided. The WWW server includes an image capturing range display unit that displays an image capturing range of the camera on a map image in the Web browser, and an image capturing range displayed by the image capturing range display unit. A camera monitoring control system, which provides a program for generating a camera status control accepting unit for sending a control request relating to the status of the camera to the image server in response to an input operation for changing the. 5. An image server provided with a WWW server for delivering image information obtained by a camera having at least one of a turning function and a zoom function to a terminal device having a Web browser, wherein the WWW server is the Web browser. An image server, which provides a program for generating an imaging range display means for displaying an imaging range of the camera on a map image. 6. An image server provided with a WWW server for delivering image information obtained by a camera having at least one of a turning function and a zoom function to a terminal device having a Web browser, wherein the WWW server is the Web browser. An imaging range display means for displaying an imaging range for the camera on a map image, and an input operation for changing the imaging range displayed by the imaging range display means, and a control request relating to the state of the camera is sent to the image server in response to the input operation. An image server, which provides a program for generating a camera state control reception means for transmitting.