KR200316100Y1 - Recording system for security - Google Patents

Abstract

The present invention detects an event occurrence in each divided screen unit in a multi-screen that is divided and reconstructed into n screens and records, and when an event is detected, optically zooms up the surveillance camera of the screen to capture and record. To this end, the present invention, unlike the conventional security recording system for digitally zooming up the portion to be observed at the time of playback or by optically zooming up the desired surveillance camera through the manual manual operation of the user, By detecting an event occurrence in each surveillance image captured by a plurality of surveillance cameras, and optically zooming up the corresponding surveillance camera when an event occurrence is detected, capturing and recording the corresponding surveillance region, thereby reproducing the event occurrence image during playback. High-quality zoom-up image screen obtained through optical zoom-up imaging Provided that it can realize the care observed by the user.

Description

Security recording system {RECORDING SYSTEM FOR SECURITY}

The present invention relates to a security recording system, and more particularly, to a security recording system suitable for recording by dividing the image photographed by a plurality of security cameras composed of one multi-screen.

In recent years, the use of a system for recording an unspecified number of visitors to prevent the occurrence of theft or intrusion or to visit with a desired purpose (security recording system or recording preservation recording system) has become commonplace. Alternatively, the recording preservation recording system includes a plurality of cameras each installed at a plurality of specific locations to capture an image, a device for recording and reproducing an image captured by each camera, and a monitor for a display.

Fig. 3 is a block diagram of a conventional security recording system, which includes an operation means 302, an imaging means 304 comprising a plurality of surveillance cameras 304/1-304/3, a screen dividing means 306, and recording / A reproducing means 308 and a monitor 310.

Referring to FIG. 3, the operation means 302 generates a user operation signal for controlling the recording and reproducing operation of the recording system in response to an operation of a user (for example, a security guard). The signal is transmitted to the recording / reproducing means 308.

In addition, each of the monitoring cameras 304/1-304/3 in the image pickup means 304 is provided at a specific location to pick up an image of a specific area, and each image signal picked up here is the screen division means 306. Is passed to.

Next, the screen dividing means 306 reconstructs each image transmitted from each surveillance camera 304/1-304/3 and reconstructs it into one multi-screen, i.e., three images when images are transmitted from three surveillance cameras. Reconstructed into multiple screens divided into screens, reconstructed into multiple screens divided into four screens when images are transmitted from four surveillance cameras, and the reconstructed multiple screens are transmitted to the recording / reproducing means 308.

Meanwhile, the recording / reproducing means 308 is a recording and reproducing apparatus such as, for example, a VCR, a personal video recorder (PVR), and the like, and the multi-screen provided from the screen dividing means 306 in response to an alarm signal for recording. Recording a video of multiple screens on a storage medium such as a video cassette tape or a memory, and reading the multi-screen video recorded on the storage medium in response to a reproduction operation signal from the operation means 302. Display through the monitor 310.

On the other hand, the user selects the zoom function when there is an image to be observed in detail while playing back the recorded screen on the storage medium, since the zoom function is performed by the digital zoom function instead of the optical zoom function. Inevitably there is a fundamental problem that deterioration of image quality is accompanied.

To avoid this, if the user (expenses, etc.) monitors the multiple screens recorded, when the abnormality (for example, intruder detection, unknown object detection, etc.) occurs, the camera is zoomed up to capture the corresponding area, Image quality deterioration due to zoom up can be prevented. However, such a method has a problem that the user has to continuously monitor the multiple screens and has to perform a zoom-up operation whenever an abnormality occurs.

Accordingly, the present invention is to solve the above-mentioned problems of the prior art, and detects an event occurrence in each divided screen unit in multiple screens divided and reconstructed into n screens, and when the event occurrence is detected, An object of the present invention is to provide a security recording system capable of optically zooming up a surveillance camera to capture and record an image.

In order to achieve the above object, the present invention provides a security recording for dividing and reconstructing each surveillance image respectively photographed by a plurality of surveillance cameras installed at a specific specific place and recording them in one multi-screen composed of a plurality of split screens. A system, comprising: means for generating an operation signal for operating the recording system; Means for detecting a motion in each surveillance video provided from each surveillance camera and generating a corresponding motion detection signal; Means for controlling, in response to the motion detection signal, the surveillance camera to image the surveillance area with an optical zoom-up function while motion detection is generated and maintained; Means for dividing a general surveillance image and / or a zoom-up surveillance image respectively provided from the surveillance cameras into multiple screens; And a means for recording and reproducing the multi-screen reconstructed image.

1 is a block diagram of a security recording system according to an embodiment of the present invention,

2 is a flowchart illustrating a process of automatically performing selective zoom-up recording by a security recording system according to a preferred embodiment of the present invention;

3 is a block diagram of a conventional recording system for security.

<Description of the code | symbol about the principal part of drawing>

102: operation means 104: imaging means

104/1-104/3: Surveillance camera 106: Motion detection means

108: screen division means 110: recording / playback means

112: monitor

The above and other objects and various advantages of the present invention will become more apparent from the preferred embodiments of the present invention described below with reference to the accompanying drawings by those skilled in the art.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

A key technical aspect of the present invention is that the conventional security recording system described above, which digitally zooms up a portion to be observed in detail during playback or optically zooms in and records a desired surveillance camera through manual manual operation by a user. Alternatively, by detecting an event occurrence in each surveillance image captured by a plurality of surveillance cameras, and optically zooming up the corresponding surveillance camera when an event occurrence is detected, it is possible to capture and record the surveillance region. By enabling careful attention observation through a high quality screen obtained through optical zoom-up imaging of an image, such technical means can easily accomplish the purpose of the present invention.

1 is a block diagram of a recording system for security according to an embodiment of the present invention, the operation means 102, the imaging means 104 of a plurality of surveillance cameras (104/1-104/3), motion detection Means 106, screen dividing means 108, recording / reproducing means 110, and monitor 112.

Referring to Figure 1, the operation means 102 is a user operation signal (for example, selective zoom-up recording operation signal for controlling the recording and playback operation of the recording system in response to the operation of the user (for example, security guards, etc.) , A reproduction operation signal, etc.), and each operation signal generated here is transmitted to the recording / reproducing means 110. Here, when the selective zoom-up recording operation signal is generated from the operation means 102 and provided to the recording / reproducing means 110 according to the user's operation, the recording / reproducing means 110 generates an optical zoom-up operation signal corresponding thereto. Transfer to the surveillance camera via line L15, L17 or L19.

Next, each of the monitoring cameras 104/1-104/3 in the imaging means 104 is provided at a specific location to capture a specific area (monitoring area), and each video signal (monitored image) captured here. Are transmitted to the motion detecting means 106 and the screen dividing means 108, respectively. At this time, the present embodiment has been described as an example of installing only three surveillance cameras, but not three, but four, six, eight or more surveillance cameras may be applied.

Further, each surveillance camera 104/1-104/3 performs an optical zoom up function when an optical zoom up operation signal is applied from the recording / reproducing means 110 via the lines L15, L17, or L19 to perform the corresponding monitoring. The area is captured by the zoom up function.

Subsequently, the motion detecting means 106 detects a motion for each surveillance video transmitted from each surveillance camera 104/1-104/3, for example, stores a previous surveillance video on the time axis and stores the previous surveillance video and the current surveillance. The motion is detected by a method of comparing images (comparison of before and after images) and the like, and the motion detection signal in each of the surveillance images is transmitted to the recording / reproducing means 110 through the line L11. In addition, the motion detection means 106 generates a motion release signal corresponding thereto when the motion detection in the corresponding surveillance image is released, and transmits the motion release signal to the recording / reproducing means 110 through the line L11.

On the other hand, in the present embodiment has been described as detecting the motion from each surveillance image captured by the surveillance camera, the present invention is not necessarily limited to this, and the motion detection sensor is installed in each specific location where each surveillance camera is installed It goes without saying that the motion can be detected based on the detection signal from the sensor.

Next, the screen dividing means 108 divides each surveillance image (or optical zoom-up surveillance image) transmitted from each surveillance camera 104/1-104/3 and reconstructs it into one multi-screen, for example, three When a surveillance image (or an optical zoom-up surveillance image) is transmitted from the surveillance cameras 104/1 to 104/3, it is reconstructed into multiple screens divided into three screens, and the multi-screen data thus reconstructed is line L13. It is transmitted to the recording / reproducing means 110.

Meanwhile, the recording / reproducing means 110 is a recording and reproducing apparatus such as a VCR, a personal video recorder (PVR), and the like, and records a multi-screen image provided from the screen dividing means 108, that is, a video cassette. Record a multi-screen image on a storage medium such as a tape or a memory, and generate a corresponding optical zoom-up operation signal when a selective zoom-up recording signal is applied to an arbitrary surveillance camera from the operation means 102. By transmitting to the camera, the surveillance camera controls the optical zoom-up function to capture the corresponding surveillance area.

In addition, the recording / reproducing means 110 generates a corresponding optical zoom-up operation signal and transmits the corresponding optical zoom-up operation signal to the corresponding surveillance camera when the motion detection signal of the arbitrary surveillance image is applied through the line L11. The zoom-up function controls to capture the corresponding surveillance area, and when the motion release signal of any surveillance image is applied through the line L11, the corresponding optical zoom-up release signal is generated and transmitted to the surveillance camera. Releases the optical zoom-up function and controls it to capture the corresponding surveillance area as a normal function.

Therefore, according to the present invention, as described above, the surveillance camera automatically captures and records the surveillance area (or surveillance image) in which an event (a user's selective zoom-up recording operation, motion detection, etc.) occurs. Therefore, when observing multiple screens recorded through the monitor 112 by performing the playback mode, a high-quality zoom-up video screen may be provided to the image where the event occurs, thereby realizing more careful observation.

Next, a process of selectively and automatically performing optical zoom up function recording using the security recording system of the present invention having the above-described configuration will be described.

2 is a flowchart illustrating a process of automatically performing selective zoom-up recording by a security recording system according to a preferred embodiment of the present invention.

Referring to FIG. 2, when the security recording system is powered on to execute a recording mode, the surveillance video captured from each of the cameras 104/1 to 104/3 is reconstructed into multiple screens through the screen dividing means 108. It is then transferred to the recording / reproducing means 110 via the line L13, thereby recording on the storage medium (not shown) (steps 202 and 204).

While executing such a recording mode, the recording / reproducing means 110 checks whether or not an optional zoom-up recording signal (optional zoom-up recording signal for any surveillance camera) is input from the operation means 102 according to the user's operation. When the selective zoom-up recording signal is input as a result of the check, the recording / reproducing means 110 generates an optical zoom-up operation signal corresponding thereto and transmits it to the corresponding surveillance camera through the line L15, L17 or L19, and as a result, the corresponding surveillance camera. The camera performs an optical zoom-up function to capture the corresponding surveillance area, and the zoom-up surveillance image captured by the optical zoom-up function is transferred to the screen dividing means 108 to capture a general image captured by a surveillance camera that does not perform the zoom-up function. It is reconstructed into multiple screens with surveillance images.

Therefore, the multi-screen reconstructed by mixing the normal surveillance image and the zoom-up surveillance image into a split screen is recorded on the storage medium in the recording / reproducing means 110.

In addition, the motion detection unit 106 detects motion for each surveillance video transmitted from each camera 104/1 to 104/3, and stores, for example, a previous surveillance video on the time axis and stores the previous surveillance video and the current surveillance video. Motion is detected through a method of comparing (preparation of before and after images), and when a motion is detected in any surveillance image, a corresponding motion detection signal is generated to record / reproduce means 110 through line L11. ).

Accordingly, a multi-screen reconstructed image is recorded on the storage medium in which a zoom-up surveillance image captured by an optical zoom-up function and a general surveillance image captured by a surveillance camera not performing the zoom-up function are mixed. .

At this time, the motion detection is different from the method of detecting the motion in the surveillance video captured by the cameras 104/1 to 104/3 as described above, for example, the motion is detected for each specific location where the surveillance camera is installed. It is also possible to provide detection sensors and to detect motion based on detection signals from these sensors.

That is, the security recording system checks whether an event in which the selective zoom-up recording signal is input or a motion is detected in an arbitrary surveillance image occurs as described above (step 206), where the event occurs as a result of the check. For example, if it is determined that a motion is detected in the surveillance video captured by the surveillance camera 104/1, the motion detection unit 106 generates a motion detection signal in the corresponding surveillance video to record / reproduce through the line L11. Transfer to the means (110).

Subsequently, the recording / reproducing means 110 generates an optical zoom-up operation signal and transmits it to the surveillance camera 104/1 through the line L15. In response, the surveillance camera 104/1 responds to the surveillance region with the optical zoom-up function. The image is captured (step 208), and the zoom-up surveillance image of the region thus captured is transmitted to the screen dividing means 108. FIG.

As a result, in the screen dividing means 108, the zoom-up surveillance image provided from the surveillance camera 104/1 and the general surveillance image provided from the other surveillance cameras 104/2 and 104/3 are divided and reconstructed into multiple screens. By transmitting to the recording / reproducing means 110 via the line L13, the multi-screen divided and reconstructed is recorded on the storage medium in the form of a mixture of the zoom-up surveillance image and the general surveillance image.

Imaging with the optical zoom-up function as described above is continuously performed while motion is detected. In step 210, it is checked whether the event is released, that is, whether motion detection is released. The motion detection means 106 generates a motion detection release time signal and transmits it to the recording / reproducing means 110 via the line L11.

Subsequently, the recording / reproducing means 110 generates an optical zoom-up release signal and transmits it to the surveillance camera 104/1 through the line L15. In response, the surveillance camera 104/1 releases the optical zoom-up function for monitoring. The area is captured (step 212), and the general surveillance image of the area thus captured is transmitted to the screen dividing means 108. FIG. Therefore, the multi-screen divided and reconstructed into general surveillance images not captured by the zoom-up function is stored in the storage medium.

Therefore, the present invention, as described above, because the surveillance camera automatically captures and records with the optical zoom-up function for the surveillance area where the event (user's selective zoom-up recording operation, motion detection, etc.) occurred, the playback mode is selected. When the multi-screen recorded through the monitor 112 is observed, a high-quality zoom-up video screen may be provided to the surveillance video on which an event occurs, thereby realizing more careful observation.

On the other hand, in the preferred embodiment of the present invention has been described as recording the reconstructed to the multi-screen recording with the other general surveillance images by capturing the surveillance area in which the event occurred by the optical zoom up function, the present invention is not necessarily limited to this, According to necessity or use, it is also possible to set to capture only the surveillance area where an event occurs by using the optical zoom up function to record a single screen (zoom-up surveillance video screen) instead of multiple screens.

In the above description has been described by presenting a preferred embodiment of the present invention, but the present invention is not necessarily limited thereto, and those skilled in the art to which the present invention pertains without departing from the technical spirit of the present invention It will be readily appreciated that branch substitutions, modifications and variations are possible.

As described above, according to the present invention, the above-mentioned conventional security recording system for digitally zooming up the portion to be observed in detail or optically zooming in and recording the desired surveillance camera through manual manual operation by the user; Alternatively, by detecting an event occurrence in each surveillance image captured by the plurality of surveillance cameras, and optically zooming up the corresponding surveillance camera when the event occurrence is detected, the event is generated during playback by capturing and recording the surveillance region. By providing a high-quality screen obtained through optical zoom-up imaging of an image, careful attention observation by a user can be realized.

Claims (2)

A security recording system for dividing and reconstructing each surveillance image respectively captured by a plurality of surveillance cameras installed at a specific specific location and recording in one multi-screen having a plurality of split screens. Means for generating an operation signal for operating the recording system; Means for detecting a motion in each surveillance video provided from each surveillance camera and generating a corresponding motion detection signal; Means for controlling, in response to the motion detection signal, the surveillance camera to image the surveillance area with an optical zoom-up function while motion detection is generated and maintained; Means for dividing a general surveillance image and / or a zoom-up surveillance image respectively provided from the surveillance cameras into multiple screens; And A security recording system comprising means for recording and playing back multiple reconstructed images. The security of claim 1, wherein the motion detection is performed by comparing images on a time axis of the surveillance images provided from each of the surveillance cameras, or through a plurality of motion detection sensors respectively installed at each specific location. Recording system.