KR101399101B1 - Surveillance camera control system and method for monitoring tele screen and wide screen at one display by using a single camera - Google Patents

Abstract

The present invention relates to a surveillance camera control system and method for simultaneously monitoring a tele screen and a wide screen using a single camera. The surveillance camera control system according to the present invention includes: a monitoring camera; an operating unit which orders the monitoring camera to operate locally or remotely; a monitor which displays an image photographed by the monitoring camera; and a controller which (a) controls the monitoring camera to zoom in and transmits a tele screen to the monitor, (b) controls the monitoring camera to zoom out, captures a wide screen, and transmits the wide screen to the monitor, and (c) controls the monitoring camera to zoom in again and retransmits a tele screen to the monitor. According to the present invention, an effective surveillance system can be built with low costs for installation by displaying a wide screen around a tele screen on a screen while displaying the tele screen even though surroundings is monitored using one monitoring camera.

Description

TECHNICAL FIELD [0001] The present invention relates to a surveillance camera control system and a surveillance camera control system capable of simultaneously monitoring an enlarged screen and a wide-angle screen using a single camera,

The present invention relates to a surveillance camera control system and method, and more particularly, to a surveillance camera control system and method capable of simultaneously monitoring an enlarged screen and a wide-angle screen using a single camera.

Closed Circuit Television (CCTV) is a system that transmits image information to a specific user for a specific purpose rather than an unspecified number of unlike an open circuit system. For example, the closed circuit television is used in a system for monitoring an image using a surveillance camera.

In general, a surveillance camera used in a CCTV surveillance system photographs a specific area, and the photographed image is output through a monitor located locally or remotely. Typically, a rotating camera is used to monitor a large area using a single camera. Rotating cameras are relatively expensive, but they can show multiple screens as the camera rotates, reducing the number of cameras installed.

A PTZ camera, known as a rotary camera, has a Pan function for extending the monitoring range in the left and right direction, a Tilt function for expanding in the vertical direction, and a Zoom function Respectively.

However, a PTZ camera can monitor a wide area with a single camera, but when the camera moves to a pan, tilt, zoom, etc., it can not display all images at the same time. Particularly, when the PTZ camera moves and zooms to a specific area, there is a problem that the surveillance area becomes very narrow and the monitoring is neglected.

For example, when a monitor rotates a camera remotely and then captures a motion in a specific area or performs a zoom-in immediately after determining that a specific situation has occurred, a wide screen (a wide screen) It is difficult to recognize whether or not zooming is performed on the area.

In order to prevent the above problems, a surveillance camera system in which a plurality of cameras are used to monitor a wide area at the same time, and one camera simultaneously displays an enlarged screen (Tele Screen) and a wide screen (Wide Screen). However, in order to construct such a system, it is necessary to install a plurality of expensive PTZ cameras, which increases the cost and dilutes the advantage of reducing the number of cameras installed when the PTZ camera is used.

The present invention can display an enlarged screen at the time of zooming control by using a single camera and display a wide-angle screen, thereby making it possible to easily recognize an object to be monitored while minimizing the number of cameras installed and to construct an effective monitoring system economically And it is an object of the present invention to provide a surveillance camera control system and method capable of simultaneously monitoring an enlarged screen and a wide-angle screen using a single camera.

A surveillance camera control system capable of simultaneously monitoring an enlarged screen and a wide-angle screen using a single camera according to an embodiment of the present invention includes a surveillance camera; An operation unit for issuing an operation command locally or remotely to the surveillance camera; A monitor for displaying an image photographed by the surveillance camera; And a zoom-in command is transmitted from the operation unit, (a) zooming in on the surveillance camera to transmit a surveillance screen to the monitor, (b) zooming out the surveillance camera, Captures a wide screen and transmits it to the monitor; and (c) controls the controller to perform retransmission of the enlarged screen to the monitor by executing the original zoom-in control again.

A surveillance camera control system capable of simultaneously monitoring an enlarged screen and a wide-angle screen using a single camera according to another embodiment of the present invention is a surveillance camera control system that simultaneously displays the wide-angle screen captured on an enlarged screen transmitted by a zoom- Display.

A surveillance camera control method capable of simultaneously monitoring an enlarged screen and a wide-angle screen using a single camera according to an embodiment of the present invention is a surveillance camera control method capable of simultaneously monitoring an enlarged screen and a wide-angle screen, a) zooming in on a surveillance camera when a zoom-in command is transmitted to the surveillance camera; (b) returning an enlarged screen (Tele Screen) transmitted from the surveillance camera to a local or remote surveillance system monitor side; (c) Zoom-out controlling the surveillance camera; (d) capturing a wide screen transmitted from the surveillance camera and returning to the monitor side; (e) zooming in on the surveillance camera; And (f) returning an enlarged screen transmitted from the surveillance camera to the monitor side.

A surveillance camera control method capable of simultaneously monitoring an enlarged screen and a wide-angle screen using a single camera according to another embodiment of the present invention includes displaying a magnified screen transmitted by the step (b) on the monitor, And simultaneously displays the captured wide-angle screen transmitted by the step (d) on the enlarged screen transmitted by the step (f).

According to the surveillance camera control system and method for simultaneously monitoring an enlarged screen and a wide-angle screen using a single camera of the present invention, when a zoom-in command is executed in monitoring a wide area using one camera, Zoom-in and zoom-in control are sequentially performed and the enlarged screen is displayed first and then the wide-angle screen is simultaneously displayed on the enlarged screen, thereby making it possible to easily recognize the surroundings of the zoomed-in subject while minimizing the number of surveillance cameras installed, It is possible to construct an effective surveillance system.

1 is a block diagram illustrating a surveillance camera control system according to the present invention;
2 is a flowchart illustrating a surveillance camera control method according to the present invention,
3 is a diagram illustrating an example in which a wide-angle screen is displayed in the present invention,
4 is a view showing an example in which an enlarged screen is displayed in the present invention, and Fig.
5 is a diagram showing an example in which a wide-angle screen is displayed on an enlarged screen in the present invention.

Hereinafter, specific embodiments according to the present invention will be described with reference to the accompanying drawings. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Parts having similar configurations and operations throughout the specification are denoted by the same reference numerals. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

In the following description of the embodiments, redundant descriptions and explanations of techniques obvious to those skilled in the art are omitted. Also, in the following description, when a section is referred to as "comprising " another element, it means that it may further include other elements in addition to the described element unless otherwise specifically stated.

 Also, the terms "to", "to", "to", and "modules" in the specification mean units for processing at least one function or operation, and may be implemented by hardware or software or a combination of hardware and software . In addition, when a part is electrically connected to another part, it includes not only a case directly connected but also a case where the other parts are connected to each other in the middle.

1 is a block diagram illustrating a surveillance camera control system according to the present invention. Referring to FIG. 1, a video management system (VMS) 100 is installed at a local or remote location like a normal CCTV surveillance system. The video management system 100 basically includes a camera An operation unit 110 for operation and a monitor 120 for displaying an image transferred from the camera.

The operation unit 110 includes, for example, a keyboard, a joystick, and the like, and has keys for operating the PTZ (Pan, Tilt, Zoom) of the camera. The present invention basically includes a zoom operation key. The monitor 120 is composed of well known display means such as a CRT, a PDP, an LCD, and an AMOLED.

The camera includes a pan driving unit, a tilt driving unit, a zoom driving unit, and the like. In the present invention, the camera basically includes a zoom driving unit 200. The zoom driving unit 200 may optically adjust the angle of view of the lens or implement a zooming function in a digital manner.

The controller 150 is a means for controlling the camera and is connected to the video management system 100 in a wired or wireless manner to receive an operation signal of the camera from the operation unit 110 and to transmit image information photographed by the camera to a video management system 100).

The surveillance camera system of the present invention sequentially controls the camera by zooming in, zooming out, and zooming in upon receiving a zoom-in command from the video management system 100. Upon receiving the zoom-in command, the controller 150 first controls the zoom driver 200 to zoom in and receives an enlarged screen (Tele Screen) using an analog signal or a digital signal, and returns it to the video management system 100.

In the video management system 100, the received enlarged screen (Tele Screen) is output to the monitor 120 so that the user can watch the enlarged screen desired by the user.

The controller 150 zooms out and controls the camera immediately after transmitting the enlarged screen to the video management system 100. [ After the zoom out control is performed, a wide screen is captured from the camera and then transmitted to the video management system 100 again. Then, the enlarged screen is retransmitted by performing the original zoom-in control immediately. The retransmitted enlarged screen is returned to the video management system 100.

The video management system 100 displays an enlarged screen through the monitor 120 and displays the wide-angle screen as a single screen. For example, an enlarged screen is displayed on a full screen by using a split screen effect function provided on the monitor 120, and a wide screen is overlapped on a corner of the enlarged screen with a small screen.

Here, sequential control of zooming in, zooming out, and zooming in of the controller 150 proceeds as quickly as possible. When the controller 150 captures and transmits the zoom-out wide-angle screen, the video management system 100 can display the enlarged screen initially returned as a still image.

That is, sequential control of the zoom-in, zoom-out, and zoom-in is performed only for the zoom driving unit of the camera, and a wide-angle screen in which the enlargement screen for a while is automatically (or alternatively) Display. Therefore, the user can not feel the sequential zoom control of the camera, so that it is possible to prevent the unpleasant feeling due to the switching of the instantaneous screen (enlarged screen -> wide angle screen -> enlarged screen).

FIG. 2 is a flowchart illustrating a method of controlling a surveillance camera according to the present invention. FIGS. 3 to 5 are views illustrating an example of displaying an image on the monitor 120 of the video management system 100 according to the present invention. A method of controlling a surveillance camera according to the present invention will be described in detail with reference to FIGS. 2 to 5. FIG.

Referring to FIG. 2, the process starts when the operation unit 110 of the video management system 100 determines whether a zoom-in command is transmitted (ST110). When the zoom-in command is transmitted, the controller 150 drives and controls the zoom driving unit 200 to zoom the camera lens (ST120). Then, the enlarged screen obtained from the camera is returned to the video management system 100 (ST130).

For example, as shown in FIG. 3, when the user zooms in on a region shown in a circle on the center of FIG. 3 on the wide-angle screen, the enlarged screen of the corresponding region is transmitted to the video management system 100 as shown in FIG. 4 . The transmitted screen is displayed on the monitor 120 as shown in FIG.

At this time, as described above, until the subsequent zoom-out and zoom-in control is performed by the controller, the video management system 100 displays the initially received enlarged screen as a momentary still picture.

The controller 150 performs the zoom-out control immediately after step ST130 (ST140). Then, the wide-angle screen is captured from the camera and transmitted to the video management system 100 (ST150). The original zoom-in control is performed again (ST160), and the enlarged screen obtained by the zoom-in control is returned to the video management system 100 (ST170). At this time, the image transmitted to the video management system 100 is preferably a real-time moving image.

In the video management system 100, the enlarged screen received in step ST130 is displayed as a still image, and when the enlarged screen is retransmitted in step ST170, the video management system 100 switches to the corresponding screen. Then, the enlarged screen and the wide-angle screen are outputted simultaneously on one screen.

For example, as shown in Fig. 5, the enlarged screen is displayed as a full screen, and the wide-angle screen is divided and displayed as a still image at one corner of the enlarged screen. Accordingly, even when the user operates the camera remotely and captures a motion in a specific area or determines that a specific situation has occurred and immediately performs a zoom-in operation, the user can simultaneously view the wide-angle screen on the same screen, It is possible to easily identify the situation of the wide-angle screen and the area in which zooming is performed in contrast to the screen. In addition, it is possible to simultaneously monitor the narrow area and the wide area using a single camera.

The invention described above is susceptible to various modifications within the scope not impairing the basic idea. In other words, all of the above embodiments should be interpreted by way of example and not by way of limitation. Therefore, the scope of protection of the present invention should be determined in accordance with the appended claims rather than the above-described embodiments, and should be construed as falling within the scope of the present invention when the constituent elements defined in the appended claims are replaced by equivalents.

100: video management system 110:
120: Monitor 150: Controller
200:

Claims (4)

Surveillance camera;
An operation unit for issuing an operation command locally or remotely to the surveillance camera;
A monitor for displaying an image photographed by the surveillance camera; And
(A) zooming in on the surveillance camera to transmit an enlarged screen (Tele Screen) to the monitor, (b) zooming out the surveillance camera, and (b) Capturing a wide screen and transmitting the caption to the monitor, (c) performing a zoom-in control again, and controlling the enlarged screen to be retransmitted to the monitor
The surveillance camera control system according to claim 1, further comprising: The method according to claim 1,
Wherein the wide angle screen captured on an enlarged screen transmitted by a zoom in command on the monitor is displayed at the same time, and a surveillance camera control system capable of simultaneously monitoring an enlarged screen and a wide angle screen using a single camera. A surveillance camera control method capable of simultaneously monitoring an enlarged screen and a wide-angle screen,
(a) zooming in on a surveillance camera when a zoom-in command is transmitted to the surveillance camera;
(b) returning an enlarged screen (Tele Screen) transmitted from the surveillance camera to a local or remote surveillance system monitor side;
(c) Zoom-out controlling the surveillance camera;
(d) capturing a wide screen transmitted from the surveillance camera and returning to the monitor side;
(e) zooming in on the surveillance camera; And
(f) returning an enlarged screen transmitted from the surveillance camera to the monitor side
Wherein the monitoring camera is capable of simultaneously monitoring an enlarged screen and a wide-angle screen using a single camera. The method of claim 3,
Displaying the captured wide-angle screen transmitted by the step (d) on the enlarged screen transmitted by the step (f) after displaying the enlarged screen transmitted by the step (b) on the monitor A surveillance camera control method capable of simultaneously monitoring an enlarged screen and a wide-angle screen using a single camera.

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