KR101393303B1 - Method for managing cctv system with video image comparison unit - Google Patents

Abstract

The present invention relates to a method for managing a CCTV system with a video image comparison unit which comprises: a first CCTV (100) for shooting a stopped image and a video from a proximity detection sensor (110); a second CCTV (200) which is installed in parallel with the first CCTV and records a stopped image and a video from an image detection sensor (210); a control unit (500) for controlling the first and the second CCTV; an external hard drive (600) for storing image data; and a control center (700) for managing the first and the second CCTV (100, 200). The present invention prevents cutting of the CCTV and CCTV cable, proactively prevents a crime, and can watch, track, and crack down.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a CCTV system,

The present invention relates to a CCTV system management method, and more particularly, to a CCTV system management method that detects a change in a size of a human body and a video image in a vicinity of a camera, captures a still image and a moving picture, The present invention relates to a method for managing a CCTV system having a video screen comparing unit for preventing CCTV stolen and CCTV cable from being cut off,

In recent years, image information using closed circuit television (CCTV) and speed dome camera (SDC) systems has been used to prevent crime in advance, Is being installed.

CCTV, SDC system is an expensive system that can track accident prevention or violent crime by monitoring and recording the behavior of the passengers in a situation where the general security equipment such as large workplaces such as large workplace where the public accesses are not well controlled.

However, as the ongoing recession and theft have increased, the installed CCTV / SDC and CCTV / SDC cables have been cut off or the CCTV / SDC system has been damaged, The violent crime is increasing day by day.

In order to prevent this, various patent technologies using CCTV / SDC system have been developed in domestic and foreign countries. However, in consideration of initial installation cost and the like, video data recorded in real time through most sensing sensors 10 and unidirectional camera devices 20 The control unit 30 receives the command and stores it in the memory unit 40 in the system or transmits it to the control center 50 and monitors and tracks through the monitoring unit 60. [ This method is limited in the buffer capacity of the memory device due to real-time recording, and has been operated in a first-in first-out manner (see FIG. 1).

However, the first-in first-out method can not be used as the information when the video recording data having a predetermined time elapsed is not stored separately, and must be monitored at all times. In particular, the first- Problems have been raised.

Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a CCTV system, in which a CCTV captures a still image and a moving picture by detecting a change in a video screen different from a human body and a human body, The present invention also provides a method of managing a CCTV system having a video screen comparing unit that can prevent and deal with violent crimes such as convenience stores as well as CCTV stolen and CCTV cable cutoff prevention by guiding and warning the camera operation.

SUMMARY OF THE INVENTION The present invention provides a method for managing a closed circuit television (CCTV) system, the method comprising: detecting a proximity sensor (110) for detecting a human body or an object; A second CCTV 200 for capturing a still image and a moving image from an image sensing sensor 210 installed in parallel with the first CCTV and detecting an image different from that of a natural person, A controller 500 for controlling the first / second CCTVs, an external hard disk 600 for storing video data by the controller, and a control center 700 for managing the first / second CCTVs 100 and 200 at a remote location. , And detects still image data through first / second video signal decoders (300a, 300b) for converting the analog video screen data captured by the first / second CCTV (100, 200) into digital video screen data In the first step S1, .; The still picture data input from the first video signal decoder 300a is supplied to the first CCTV 100 through the first video aspect ratio assigning unit 400a and the still picture data shot by the first CCTV 100 is supplied to the still picture size set in the memory unit 410 A second step S2 of comparing and determining whether the still picture size values P2 and P3 are larger than the value P1; The still picture data input from the second video signal decoder 300b is transmitted to the second CCTV 200 via the second video aspect ratio assigning unit 400b to the state of the natural person set in the memory unit 410 A third step S3 of comparing and judging whether or not the image is a video image of a different mask intensity; The controller 500 interrupts the first and second CCTVs 100 and 200 in accordance with the image screen data compared in the first and second image aspect ratio assignments 400a and 400b, And a fourth step S4 for storing the information in the external hard disk 600 and transmitting it to the control center 700 and generating a warning sound through the buzzer 520 and operation guidance of the CCTV through the speaker 510 A CCTV system management method having a video screen comparison unit.

Preferably, the second CCTV 200 is interlocked with the third CCTV 200a to the n-th CCTV 200n so that the second CCTV 200 can be stereoscopically photographed with respect to the intensity of the mask.

The CCTV system management method having the video screen comparison unit of the present invention has the following effects.

(1) According to the present invention, it is possible to prevent the camera and the camera cable from being stolen or stolen by detecting the image size of the human body approaching the area where the camera is installed, photographing it, and promptly transmitting and warning to the control center.

(2) According to the present invention, when a mask strength intrudes into a convenience store or the like, a change in the image size of a human body different from that of a natural person is detected, and the still image and the moving image of the intruder are captured, immediately transmitted to the control center, It can prevent and crack down.

(3) According to the present invention, consecutive photographing is performed according to the change of the screen of the still image photographed by the first / second CCTV through the first / second image screen comparing unit, so that unnecessary power consumption And a unique effect that can greatly reduce the amount of stored data.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic representation of a CCTV system for the prior art;
2 is a block diagram illustrating a detailed technical configuration of a CCTV system having a video screen comparison unit according to a preferred embodiment of the present invention.
3 is a view for explaining a first video screen comparing unit for a CCTV system having a video screen comparing unit according to a preferred embodiment of the present invention
4 is a view for explaining a second image screen comparing unit for a CCTV system having an image screen comparing unit according to a preferred embodiment of the present invention;
5 is a flowchart showing an overall flowchart of a CCTV system management method having a video screen comparison unit according to a preferred embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in adding reference numerals to the constituent elements of the drawings, it is to be noted that the same constituent elements are denoted by the same reference numerals even if they are shown in different drawings. In the following description of the present invention, a detailed description of known configurations and functions will be omitted when it is determined that the gist of the present invention may be obscured.

2 to 4, a technical solution to a CCTV system having a video screen comparison unit according to a preferred embodiment of the present invention includes a first CCTV 100, a second CCTV 200, a first / second Video signal decoders 300a and 300b, first and second image aspect ratio distributors 400a and 400b, and a controller 500. [

Referring to FIG. 2, the first CCTV 100 according to the preferred embodiment of the present invention is a means for capturing an image of a human body or an object in proximity to a command from a control unit, And a proximity sensor 110 for detecting a human body or an object approaching within a predetermined distance.

Here, the proximity sensor 110 may be any one of a far-infrared ray sensor for detecting a far-infrared ray generated from a human body approaching the installed CCTV area or a distance sensor installed at a CCTV angle, Can be mounted on the front of the CCTV angle.

Referring to FIG. 2, a second CCTV 200 according to a preferred embodiment of the present invention is a means for capturing an image when the state of a nearby human body is different from that of a natural person by receiving a command from the controller, And captures a still image and a moving image from an image sensing sensor 210 that detects a shape of a natural person approaching within a predetermined distance from a location where the CCTV is installed and an image of a strength of a different surface.

In addition, in the present invention, it is possible to replace the first / second CCTV 100 and 200 with a speed dome camera.

Referring to FIG. 2, the first and second video signal decoders 300a and 300b according to the preferred embodiment of the present invention receive a command from the first and second CCTVs 100 and 200, And a moving picture.

Referring to FIGS. 2 to 4, the first / second image aspect ratio assigning units 400a and 400b according to the preferred embodiment of the present invention include a first and a second image aspect ratio assigning units 400a and 400b according to a preferred embodiment of the present invention. The still picture image input from the first / second image signal decoders 300a and 300b is previously set and stored in the memory unit 410 And judges it by comparing with the stored still image screen.

According to another embodiment of the present invention referring to FIGS. 3 and 4, the first image aspect ratio assignment unit 400a may calculate a still image image size value of a nearby human body, which is a still image plane photographed by the first CCTV 100, (See FIG. 3) whether the still image size is larger than the first still image size value P1 set in the memory unit 410 (see FIG. 3).

In addition, the second image aspect ratio assignment unit 400b may determine whether the still image captured by the second CCTV 200 is a preset still image of a different intensity from a natural person image stored in the memory unit 410 (See Fig. 4).

In addition, according to another embodiment of the present invention, the second CCTV 200 can photograph stereoscopically with respect to the intensity of the mask in cooperation with the third CCTV 200a through the n CCTV 200n (see FIG. 4).

The reason why the stereoscopic CCTV is installed is that it is difficult to recognize or identify a face in the case of the masking strength. Therefore, it is possible to secure various image information about the masking intensity through three-dimensional photographing through a plurality of cameras, It is to secure a clue and trace arrest.

In addition, in the embodiment of the present invention, a warning device such as a speaker 510 or a buzzer 520 may be added to receive a command from the controller 500 indicating that a plurality of CCTVs are operating.

2 to 4, the control unit 500 according to the preferred embodiment of the present invention is a means for controlling the entire CCTV system having the video screen comparison unit, If the still image screen size of the human body suddenly becomes larger than the preset still image screen size value P1, the first CCTV 100 is interrupted and the still image and the moving image are continuously captured And controls the second CCTV 200 to stop the second CCTV 200 when the second virtual image aspect ratio 400b has a similar appearance to the still image of the natural person (or the exposed face) Images and moving images are successively captured and stored in the external hard disk 600 and immediately transferred to the control center 700. [ Then, the CCTV is informed through the speaker 510 that the CCTV is being operated, and when a cheating is detected, the buzzer 520 generates a warning sound.

In order to store the image data captured by the external hard disk 600, an interface unit is provided. In order to transmit the image data to the control center 700, an existing technique such as a wire / wireless communication method, Is applied.

If there is no information to be compared in the first / second image aspect ratio grant (400a, 400b) with respect to the image screen photographed from the first / second CCTV (100, 200), the controller (500) / The second CCTV 100, 200, so that the moving picture shooting can be temporarily suspended.

This function takes into account the buffer capacity of the external hard disk 600 due to unnecessary moving picture shooting when there is no human body, object, or mask-like intensity within the CCTV installation area.

In the CCTV system having the video screen comparison unit according to the embodiment of the present invention, the still image screen size photographed by the first CCTV 100 through the first video aspect ratio assignment unit 400a is stored in the memory unit 410, The values P2 and P3 enlarged larger than the image screen size value P1 and the still image images taken by the second CCTV 200 through the second image aspect ratio assignment unit 400b are stored in the memory unit 410 The second CCTV 200a or the n-th CCTV 200n interlocked with the first / second CCTVs 100 and 200 is operated to compare the state of the first CCTV 200 and the second CCTV 200n It is possible to prevent the violent crime such as the intensity of the mask, as well as CCTV and CCTV cable cuts, and to thoroughly track and intercept the surveillance Unique features that can There.

Next, a method of managing a CCTV system having a video screen comparison unit according to a preferred embodiment of the present invention will be described in detail with reference to FIG. 2 to FIG.

The CCTV system management method according to the embodiment of the present invention is characterized by managing the CCTV through comparison of a plurality of video screens. The CCTV system management method according to the embodiment of the present invention is characterized in that the CCTV system having the above- A first CCTV 100 for capturing a still image and a moving image from the sensor 110 and a still image and a moving image captured from an image sensing sensor 210 installed in parallel with the first CCTV and sensing an image different from that of a natural person, A controller 500 for controlling the first CCTV 200 and the second CCTV 200, an external hard disk 600 for storing image data by the controller, and a controller 500 for controlling the first and second CCTVs 100 and 200, And a control center 700 which manages the control center 700.

2 and 5, the first and second video signal decoders 300a and 300b convert analog video image data captured by the first and second CCTVs 100 and 200 into digital video image data, And a first step (S1) of detecting still picture data.

The reason for detecting the still picture data captured by the first / second CCTVs 100 and 200 through the first / second video signal decoders 300a and 300b is that data processing is easier than moving pictures.

2 and 5, the still picture data input from the first video signal decoder 300a is transmitted to the first CCTV 100 via the first video aspect ratio assigning unit 400a, A second step S2 of comparing the still picture size values P2 and P3 that are larger than the still picture size value P1 set in the memory unit 410 is performed.

Referring to FIG. 3, since the value of the still image size for the human body set first in the memory unit 410 is P1 and the intruder who is cheating is close to the count direction in which most CCTVs are concentratedly installed, P3. ≪ / RTI > The first image aspect ratio assignment unit 400a compares the change of the still image size with the first image aspect ratio assignment unit 400a to continuously capture still images and moving images of the intruder through the first CCTV 100. [

4, the still picture data input from the second video signal decoder 300b is transmitted to the memory unit 400 via the second video aspect ratio assignment unit 400b, Whether the first / second CCTV 100 or 200 is driven or not is determined through a third step (S3) of determining whether the natural image is a still image having a different intensity from the image of the natural person set in the image capturing device 410.

In order to determine whether the natural image of the natural person is different from that of the natural person through the second image aspect ratio assignment unit 400b, the first CCTV submission unit 400a may change the size of the still image, Since face recognition can not be performed on the intensity of the mask even if continuous still images and moving images are taken in the first CCTV 200 and the third CCTV 200 interlocked with the second CCTV 200 through the first image screen comparing unit, 200a to the n-th CCTV 200n so as to obtain various information on the strength of the face, body structure and size of the face, although it is difficult to recognize the face.

Referring to FIGS. 2 and 5, the controller 500 controls the first / second CCTV 100 and 200 according to the video image data compared in the first / second image aspect ratio assignments 400a and 400b The control unit 700 controls the operation of the CCTV through the speaker 510 and generates a warning sound through the buzzer 520. In addition, Step S5.

In the fifth step S5, the CCTV system having the video screen comparison unit according to the embodiment of the present invention is connected to an external interface such as the external hard disk 600 and the control center 700, This system is designed to manage the system efficiently and to ensure high reliability and security through quick response of the CCTV system itself and various shooting of the intruder.

The foregoing description is merely illustrative of the technical idea of the present invention and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the scope of the present invention but to limit the scope of the technical idea of the present invention. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100: first CCTV 110: proximity sensor
200: Second CCTV 200a: Third CCTV
200n: n-th CCTV 210: Image sensor
300a, 300b: a first / second video signal decoder
400a, 400b: grant of first / second image aspect ratio
410: memory unit 500: control unit
510: speaker 520: buzzer
600: External hard disk 700: Control center

Claims (4)

A closed circuit television (CCTV) system management method comprising:
The management method includes a first CCTV 100 for capturing a still image and a moving image from a proximity sensor 110 that detects a human body or an object, a second CCTV 100 installed in parallel with the first CCTV, A second CCTV 200 for capturing still images and moving images from the detection sensor 210, a controller 500 for controlling the first / second CCTVs, an external hard disk 600 for storing image data by the controller, And a control center (700) for managing the first / second CCTV (100,200) at a remote location,
A first step of detecting still picture data through first and second video signal decoders (300a and 300b) for converting analog video picture data taken by the first / second CCTV (100, 200) into digital picture picture data S1);
The still picture data input from the first video signal decoder 300a is supplied to the first CCTV 100 through the first video aspect ratio assigning unit 400a and the still picture data shot by the first CCTV 100 is supplied to the still picture size set in the memory unit 410 A second step S2 of comparing and determining whether the still picture size values P2 and P3 are larger than the value P1;
The still picture data input from the second video signal decoder 300b is transmitted to the second CCTV 200 via the second video aspect ratio assigning unit 400b to the state of the natural person set in the memory unit 410 A third step S3 of comparing and judging whether or not the image is a video image of a different mask intensity;
The controller 500 interrupts the first and second CCTVs 100 and 200 in accordance with the image screen data compared in the first and second image aspect ratio assignments 400a and 400b, And a fourth step S4 for storing the information in the external hard disk 600 and transmitting it to the control center 700 and generating a warning sound through the buzzer 520 and operation guidance of the CCTV through the speaker 510 A CCTV system management method having a video screen comparison unit.
delete The method according to claim 1,
Wherein the second CCTV (200) is interlocked with the third CCTV (200a) to the n CCTV (200n) so that the second CCTV (200) can be stereoscopically photographed with respect to the intensity of the mask.
delete

Images