KR101589823B1 - Cctv monitoring system providing variable display environment to search event situation efficiently - Google Patents

Cctv monitoring system providing variable display environment to search event situation efficiently Download PDF

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KR101589823B1
KR101589823B1 KR1020140117733A KR20140117733A KR101589823B1 KR 101589823 B1 KR101589823 B1 KR 101589823B1 KR 1020140117733 A KR1020140117733 A KR 1020140117733A KR 20140117733 A KR20140117733 A KR 20140117733A KR 101589823 B1 KR101589823 B1 KR 101589823B1
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South Korea
Prior art keywords
image
interest
unit
event
vehicle
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KR1020140117733A
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Korean (ko)
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이세희
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주식회사 다이나맥스
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Abstract

Disclosed is a CCTV monitoring system having a smart search function, including: a storage unit for storing monitoring images photographed by multiple IP cameras installed outside; a signal processing unit for performing signal processing of a monitoring image selected from the monitoring images stored in the storage unit; a display unit for displaying the monitoring image, signal-processed by the signal processing unit, on a screen; a command input unit for receiving input of a user command for setting an area of interest to be intensively monitored on the screen displayed in the display unit; and a control unit for controlling the signal processing unit to display an event generation image, consisting of continuous frames in which a moving object appears in the area of interest in the monitoring image, on the display unit. According to the present invention, a user can set the area of interest to be intensively monitored as desired, check the area of interest on the screen, and consequently search for a needed image.

Description

TECHNICAL FIELD [0001] The present invention relates to a CCTV monitoring system that provides a variable display environment for efficiently searching for an event situation.

[0001] The present invention relates to a CCTV monitoring system for providing a variable display environment for efficiently searching for an event situation, and more particularly, And more particularly, to a CCTV monitoring system that provides a variable display environment for efficiently searching for an event situation that allows quick and accurate identification of an object appearing in an event or an event occurring.

As society becomes complicated, violent crime increases and traffic becomes complicated. Accordingly, the demand for CCTV (Closed Circuit Television) system is increasing in various fields such as crime prevention, parking regulation, traffic control, and the like. Conventional general CCTV systems display images photographed through CCTV through a monitor installed in a management center such as a building management station or a police station.

Currently, after an accident or crime occurs, the police or the safety officer analyzes the incident and plays back the recorded surveillance video so that it can be used for evidence collection. In this case, it takes a lot of time to find the desired scene . However, most video playback apparatuses are provided with a double speed search function, so that images can be played back at a speed of 2 times, 4 times, 8 times, or 16 times.

In this way, the recorded video is played back at a speed of 8 times, and an accident or a problematic scene is found. However, if the speed is excessively increased, the problematic scene may be overtaken, the screen may be interrupted, and a proper search can not be performed.

Particularly, in the case of a video shot by CCTV, similar background and still image are continuously repeated, so that a function of searching for a desired screen quickly and accurately is required.

Korean Unexamined Patent Publication No. 2000-0014792 discloses that when an outsider is detected in a parking area such as a parking lot or a bank, it is judged that an abnormal situation has occurred and the abnormal start and end counter values are stored in the memory unit. (B) displaying the number of abnormal events occurring on the On Screen Display (OSD) screen; and (3) executing the playback mode when the abnormality stored in the memory unit during the Vishial search mode, And executing a skip mode until an occurrence occurrence counter is detected. This makes it possible to quickly search only important scenes that are necessary for long-time recording.

However, in the case of the above technique, only the scene stored in the memory unit is displayed at the time of reproduction after storing the abnormal situation in the memory unit at the time of recording. Therefore, it is impossible for a police officer or a safety officer in a recorded video to arbitrarily set and search for a desired screen. Therefore, there is a need for a method of searching the police and the safety management person easily and quickly in order to find the problematic scene in the recorded image.

Korean Patent Publication No. 2000-0014792 (Mar. 15, 2000) Korean Patent No. 10-1312539 (2013.09.23.) Korean Patent No. 10-0940237 (2010.01.27.)

Accordingly, it is an object of the present invention to provide an apparatus and method for efficiently detecting an event that enables an object to appear in a region of interest or an event to be detected quickly when a recorded surveillance image is reproduced by setting an area of interest And to provide a CCTV monitoring system that provides a display environment.

In order to achieve the object of the present invention, a CCTV monitoring system for providing a variable display environment for efficiently searching for an event situation according to the present invention includes a storage unit for storing surveillance images photographed by a plurality of external IP cameras, A signal processing unit for signal processing a selected surveillance image stored in the storage unit, a display unit for displaying a supervised surveillance image processed by the signal processing unit on the screen, and an area of interest to be intensively monitored on the screen displayed on the display unit And a controller for controlling the signal processor to display an event generation image in which frames of the object appearing in the ROI are consecutively displayed on the display unit.

Wherein the control unit causes a general image in which frames that do not appear in the interest area to be reproduced to be reproduced at a higher speed than the event occurrence image, or skips a general image in which frames that do not appear in the interest area are continuous ), And controls only the event occurrence video to be reproduced.

In addition, the controller controls the event generation image to include frames in which a sound of a predetermined decibel level or more is detected through a microphone installed in the plurality of IP cameras, or a predetermined sound pattern is detected.

The CCTV monitoring system of the present invention further includes a vehicle number storage unit in which a vehicle number of a vehicle permitted to enter and exit is stored, and the control unit displays the vehicle number stored in the vehicle number storage unit in the monitoring image photographed through the plurality of IP cameras When a vehicle having a different vehicle number is photographed, the vehicle having the different vehicle number includes frames photographed in the event occurrence image, and the other vehicle number is enlarged and reproduced.

When the plurality of event generation images are present in the selected monitoring image, the controller sets the reproduction speeds of the respective event generation images to be different from each other and reproduces them. When a person appears in the region of interest, The face is extracted and enlarged into a still image to be reproduced.

The CCTV monitoring system of the present invention further includes a map database (DB) in which a map of a surveillance region photographable through the plurality of IP cameras is stored, and the coordinates of the surveillance region are stored in the map DB, And controls to reproduce an event occurrence image in which the frames appearing in the interest area are consecutive among the surveillance images photographed through other IP cameras including the position coordinates in the shooting range.

According to the CCTV monitoring system providing a variable display environment for efficiently searching for the event situation of the present invention, the interest area to be intensively monitored on the screen can be arbitrarily set and confirmed on the screen, The image can be skipped or reproduced at a high speed, thereby reducing the time required to view unnecessary images, thereby making it possible to quickly search for necessary images.

In addition, if an event generation image includes frames in which an acoustic sound having a preset decibel level or a predetermined acoustic pattern is detected, an image determined to be in a dangerous state can be quickly searched even if the region of interest is not set.

In addition, when a theft accident occurs or an accident occurs, a vehicle for which access is not permitted can be used to quickly search the captured image to find the cause of the accident.

In addition, when there are a plurality of event occurrence images, the playback speeds of the respective event occurrence images can be set to be different from each other, so that objects moving fast as vehicles can be played back more slowly than when they appear, It is possible to do.

In the case where a person appears in the area of interest, the face can be extracted and enlarged so that it can be easily used for capturing a witness or a criminal.

Finally, the coordinates of the region of interest set through the map DB included in the CCTV monitoring system of the present invention can be grasped, and images captured through the other IP cameras can be confirmed, thereby analyzing images of the region of interest at various angles It is possible to more accurately grasp the cause of the accident.

FIG. 1 is a block diagram showing a schematic configuration of a CCTV monitoring system according to an embodiment of the present invention, and FIG.
2 to 5 are views for explaining a screen display method of a CCTV monitoring system according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, It will be possible. The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprising" or "having ", and the like, are intended to specify the presence of stated features, integers, steps, operations, elements, parts, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, parts, or combinations thereof.

The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

Hereinafter, a CCTV monitoring system (hereinafter referred to as a CCTV monitoring system) for providing a variable display environment for efficiently searching for an event situation according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram showing a schematic configuration of a CCTV monitoring system according to an embodiment of the present invention. FIGS. 2 to 5 are views for explaining a screen display method of a CCTV monitoring system according to an embodiment of the present invention. to be.

Referring to FIG. 1, the CCTV monitoring system of the present invention includes a central server 100, a plurality of IP cameras 200-1, 200-2, ..., 200-n, and a network 250.

Each of the plurality of IP cameras 200-1, 200-2, ..., 200-n is connected to the central server 100 via the network 250 with IP (Internet Protocol). The supervised images photographed by the plurality of IP cameras 200-1, 200-2, ..., 200-n are transmitted to and stored in the central server 100, which is a network video recorder (NVR).

The central server 100 includes a network interface unit 110, an instruction input unit 120, a storage unit 130, a signal processing unit 140, a display unit 150, a car number storage unit 160, a map DB 170, And a control unit 180.

The network interface unit 110 communicates with a plurality of IP cameras 200-1, 200-2, ..., 200-n provided externally through the network 250 to provide a plurality of IP cameras 200-1, 200-2 , ..., 200-n. Also, a signal for controlling a plurality of IP cameras is transmitted to the plurality of IP cameras 200-1, 200-2, ..., 200-n through the network 250. [

The command input unit 120 receives various user commands for controlling the central server 100 and the plurality of IP cameras 200-1, 200-2, ..., 200-n. In the present invention, a user command for setting a region of interest to be intensively monitored is input on a screen displayed on the display unit 150, which will be described later. Referring to FIG. 2, the police or the safety manager can set the area in which the accident occurred, as the area of interest (S1, S2), while viewing the screen displayed on the display unit 150. [

In addition, the command input unit 120 receives a user command for setting a playback speed of a video displayed on the display unit 150. [ That is, a user command for setting a reproduction speed of a general image in which frames of an object appearing in a region of interest is continuous and frames in which an object does not appear in a region of interest are successively inputted.

2 and FIG. 3 will be taken as an example. In order to observe closely the event occurrence images E1 and E2 in which the vehicle or the human-appearing frames are continuous in the area where the accident occurred, And a user command to set the camera so as to quickly reproduce images at a speed of 2 to 32 times in the case of a general image N in which a vehicle or a frame in which no person appears is continuous in an accident occurrence area. Here, it is also possible to set such that the general image N is skipped so as not to be displayed on the screen, if necessary. In this case, only the event occurrence images E1 and E2 are sequentially displayed on the screen. The reproduction setting of the event occurrence images E1 and E2 will be described later in more detail.

The storage unit 130 stores surveillance images photographed by a plurality of IP cameras 200-1, 200-2, ..., and 200-n provided externally. In accordance with a user command input through the command input unit 120, After a predetermined period of time, the stored monitoring image is deleted from the storage unit 130.

The signal processing unit 140 processes the monitoring image stored in the storage unit 130. In the present invention, the event generation image and the general image are controlled by the control unit 180, which will be described later, And processes the surveillance image to be reproduced accordingly.

A monitor image processed by the signal processor 140 is displayed on the screen of the display unit 150. In the present invention, as shown in FIG. 2, the interest area S1 and S2 set by the user are displayed together with the monitored image, and the event occurrence image and the general image are displayed on the screen according to the set speed. Also, as shown in FIG. 4, when a person appears in the area of interest, the face of the person is enlarged and displayed as a still image, or when the unregistered vehicle is photographed as shown in FIG. 5, the vehicle number is enlarged and displayed. The items displayed on the display unit 150 will be described later in more detail.

The vehicle number storage unit 160 stores the vehicle number of the vehicle permitted to enter and exit. That is, as shown in FIG. 5, the vehicle number of the vehicle which is permitted to approach the warehouse is stored in the car number storage unit 160. If a vehicle having a vehicle number different from the vehicle number stored in the vehicle number storage unit 160 is photographed near the warehouse, the vehicle number of the vehicle having the other vehicle number is enlarged and displayed on the display unit 150. [ Here, even when the area of interest is not set on the screen, when the vehicle having the car number different from the car number stored in the car number storage unit 160 is photographed, the car number is enlarged and displayed.

A map of the surveillance region photographable through the plurality of IP cameras 200-1, 200-2, ..., 200-n is stored in the map DB 170. [ In addition, the map DB 170 stores the area for each surveillance area as well as the location coordinates such as the longitude and the latitude. The location photographed through the first IP camera 200-1 can be confirmed on the image photographed through the second IP camera 200-2 installed nearby using the stored location coordinates.

2, the position on the map of the region of interest S1 can be grasped when the surveillance image shown in FIG. 2 is a video image taken through the first IP camera 200-1. That is, it is possible to grasp the positional coordinates of the area of interest S1 on the map stored in the map DB 170, and to store the positional coordinates thus obtained in the surveillance image captured through the second IP camera 200-2, The display unit 150 displays an event generation image in which the frames appearing in the interest area S1 are consecutive. Therefore, it is possible to photograph the region of interest S1 photographed through the first IP camera 200-1 through the second IP camera 200-2 and display the region of interest S1 photographed at various angles.

The control unit 180 controls the operation of the central server 100 according to a user command input through the command input unit 120. [ That is, the control unit 180 controls the signal processing unit 140 to display the event generation image in which the frames in which the object appears in the ROIs are continuously displayed on the display unit 150 in the monitored image.

That is, when the region of interest is set through the command input unit 120, an event generation image in which frames such as vehicles or people appear in the ROI is displayed on the display unit 150. At this time, only the event occurrence image may be displayed on the display unit 150 according to the setting, or the event occurrence image may be sequentially displayed together with the general image.

3, when the general image N and the event occurrence images E1, E2, and E3 are displayed together, the control unit 180 controls the reproduction speed of the general image N and the event occurrence image E1 , E2, and E3 are set to be different from each other. That is, the general image N is rapidly reproduced at a speed of 2 to 32 times, and the event occurrence images E1, E2 and E3 are reproduced at a normal speed, but reproduced slowly at a speed of 1/2 or 1/4 times . Then, the general image N is reproduced fast, the event occurrence image is reproduced slowly, and the cause and the evidence of the accident can be found by closely observing the region of interest.

In addition, the control unit 180 may set the playback speed of the event occurrence images to be different from each other. As shown in FIG. 2, the microphones 200-1, 200-2, ..., 200-n respectively installed in the plurality of IP cameras 200-1, 200-2, ..., 200-n include not only the event occurrence images E1, (Not shown) are included in the event occurrence image E3 as well.

For example, frames in which high-decibel sound such as a siren sound or a scream sound is detected are selected as the event occurrence image E3 and displayed on the display unit 150. [ Alternatively, frames in which acoustic patterns such as a vehicle collision sound, a screaming sound, an explosion sound, and a gun sound are detected are also selected as the event occurrence image E3 and displayed on the display unit 150. [

In addition, as described with reference to FIG. 5, when a vehicle having a car number different from that of the car number that is permitted to approach the warehouse is photographed, it is also possible to include the photographed frames of the car having the different car number in the event occurrence image It is possible.

The control unit 180 may set the playback speeds of the various event occurrence images E1, E2, and E3 different from each other. For example, the event generation image E1 including the frames in which the vehicle appears in the region of interest is reproduced at 4/1 speed, and the event generation image E2 including the frames in which the person appears in the region of interest, And the event occurrence image E3 including frames in which a predetermined decibel or higher sound or a predetermined sound pattern is detected is set to be reproduced at 1/2 speed. Therefore, for a fast passing object such as a vehicle, the reproduction speed can be set to be slower so that the vehicle can be closely observed.

On the other hand, the general image can be utilized as a fast image search function by displaying only the event occurrence image to be skipped and confirmed on the display unit 150. 2, only the event occurrence image E1 when the vehicle appears in the ROI is displayed on the display unit 150, or only the event occurrence image E2 when the person appears is selected and displayed on the display unit 150, (150). Alternatively, only the event occurrence image E3 may be selected and displayed on the display unit 150 when an acoustic sound having a preset decibel level or a predetermined acoustic pattern is detected.

In addition, it is possible to set several areas of interest on the screen as required. That is, as shown in FIG. 2, it is possible to set two or more regions of interest S1 and S2. In this case, when a moving object appears in any one of interest areas S1 and S2, the moving object is displayed on the display unit 150 as an event generation image. For example, when the vehicle appears in the first area of interest S1 and the vehicle appears in the second area of interest S2, the frames in which the vehicle appears in the second area of interest S2 are displayed as an event- 150).

When a user command for confirming the region of interest included in the surveillance image photographed through the first IP camera 200-1 through the command input unit 120 is input through the second IP camera 200-2 installed nearby, The control unit 180 extracts the position coordinates of the ROI from the map DB 170 and displays the coordinates on the surveillance image photographed through the second IP camera 200-2.

In addition, the controller 180 also searches for an event occurrence image in which frames appearing in an area of interest are consecutively displayed on the display unit 150 with respect to the monitored image photographed through the second IP camera 200-2. Accordingly, it is possible to confirm the event occurrence image obtained by photographing the set region of interest at various angles through the display unit 150.

In the present invention, an area of interest is set to a square shape. However, it is possible to set various shapes such as a circle, a triangle, or a polygon, and the size can be set variously. In the present invention, the area of interest is set as an example, but it is also possible to set a line other than the area, and detect a moving object on the set line. That is, the display unit 150 displays frames in which moving objects are overlapped on the set line as an event generation image.

Through the above-described configuration, various event occurrence images can be quickly and accurately displayed on the screen.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the appended claims. It can be understood that it is possible.

100: central server 110: network interface
120: command input unit 130:
140: signal processor 150: display
160: car number storage unit 170: map DB
180:
200-1, 200-2, ..., 200-n: a plurality of IP cameras
250: Network

Claims (9)

A storage unit for storing surveillance images photographed by a plurality of external IP cameras;
A signal processor for signal processing a selected surveillance image stored in the storage unit;
A display unit for displaying a supervised video signal processed by the signal processing unit on a screen;
A user command for setting a plurality of interest areas to be intensively monitored on the screen displayed on the display unit and receiving a user command for confirming the interest area through a different IP camera in the vicinity together with the IP camera in charge An instruction input unit;
A map DB in which a map of the surveillance region photographable through the plurality of IP cameras is stored; And
And a controller for controlling the signal processing unit so that an event generation image in which frames of the object appearing in the ROIs are consecutively displayed on the display unit,
Wherein,
Controlling the signal processor to control the signal processor to reproduce or skip a general image in which consecutive frames in which no object appears in the region of interest are generated at a higher rate than the event generated image, The position coordinates on the map of the ROI are grasped through the map DB so that the event generation image photographed with the ROI set at various angles can be confirmed through the display unit, Wherein the control unit controls the event generation unit to continuously reproduce an event occurrence image in which consecutive frames appearing in the region of interest are reproduced from the surveillance images photographed through the CCTV monitoring unit. delete delete The method according to claim 1,
Wherein,
Wherein the control unit controls the event generation image to include frames in which an acoustic sound of a preset decibel level or more is detected through a microphone installed in the plurality of IP cameras, CCTV monitoring system providing environment. The method according to claim 1,
And a vehicle number storage unit in which a vehicle number of a vehicle permitted to enter and exit is stored,
Wherein,
When a vehicle having a car number different from the car number stored in the car number storage unit is photographed on the surveillance image photographed through the plurality of IP cameras, And the control unit controls the other vehicle numbers to be enlarged and reproduced so as to provide a variable display environment for efficiently searching for an event situation. The method according to claim 1,
Wherein,
And controlling the playback speed to be different for each event occurrence image when the plurality of event occurrence images are present in the selected monitoring image. CCTV monitoring system. The method according to claim 1,
Wherein,
Wherein the controller is configured to extract a face of a person when the person appears in the region of interest and to enlarge the face of the person into a still image to be reproduced. delete The method according to claim 1,
Wherein,
Characterized in that only an event generation image selected in accordance with a user command inputted through the command input unit among the event generation image in which a person appears in the ROI and an event generation image in which a vehicle appears in the ROI are sequentially reproduced A CCTV monitoring system that provides a variable display environment for efficiently searching for an event situation.
KR1020140117733A 2014-09-04 2014-09-04 Cctv monitoring system providing variable display environment to search event situation efficiently KR101589823B1 (en)

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KR20180042013A (en) * 2016-10-17 2018-04-25 한화테크윈 주식회사 Apparatus for Providing Image and Method Thereof
KR101874588B1 (en) * 2016-12-28 2018-07-04 주식회사 포딕스시스템 method for display of multi-channel region of interest using high-resolution cameras
KR20190079047A (en) 2017-12-27 2019-07-05 소프트온넷(주) A supporting system and method that assist partial inspections of suspicious objects in cctv video streams by using multi-level object recognition technology to reduce workload of human-eye based inspectors

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