KR101093023B1 - Intelligent Integrated Surveillance System based on Urban Railway Infrastructure - Google Patents

Abstract

The present invention relates to an intelligent comprehensive monitoring system based on urban railways; Cameras installed in the history of railways or railway cars, and an intelligent image analyzer for generating event information when an object movement is detected in the image by analyzing an image photographed by the camera, and when event information is generated in the intelligent image analyzer. It is characterized by consisting of optical transmission equipment for transmitting the image to the general command room for the administrator to monitor.

According to the present invention, when an event occurs by improving a general monitoring system installed in the history or track of an urban railway, the video information is exposed to a monitor provided in a general command room or a platform, and the like, as well as an efficient manpower of the system. Not only is it possible to operate, it is also possible to reduce the system configuration and thereby reduce maintenance costs.

Metro, Camera, Video Analysis, Event, Surveillance

Description

Intelligent Integrated Surveillance System based on Urban Railway Infrastructure

The present invention relates to an intelligent comprehensive monitoring system based on an urban railway, and more particularly, an intelligent railway based intelligent comprehensive that can implement efficient manpower and maintenance by enabling intelligent monitoring on a monitoring system installed in an urban railway history. It relates to a surveillance system.

In general, certain companies or organizations have built and operated video surveillance systems that include hundreds or thousands of cameras, and they spend a lot of money to build such systems. Some of the camera input images installed in this way are recorded in the video storage device for a certain period, and some are sent to the general command room monitoring center to be monitored in real time to at least one or more security managers.

Regardless of how well trained and competent a security administrator is, it is impossible to give full attention to one or two things at the same time, and even monitoring and management can only focus on a few minutes at a time.

As a result, the vast majority of images displayed on the monitor pass by without any observation. This situation is like having hundreds of eyes but no brains to process the information.

On the other hand, urban railways are used by many passengers and can lead to large accidents in case of an accident, thus minimizing human and property damage according to the early response when an accident occurs.

For this purpose, a monitoring system using CCTV for the monitoring of urban railways has been proposed, but it simply receives images and outputs them to the monitor. There is also a problem that the administrator can not monitor closely and intensively.

In addition, CCTV surveillance system of the existing urban railway has the advantage that the image can be represented as closest to the fact without distortion as it is mainly analog signal type video information, while coaxial cable for video information, control cable for camera control, power supply It is difficult to install and install because it is composed of power cables to supply each, and the transmitted video is exposed to vulnerability of security because it depends entirely on the monitoring and response of the operator through CCTV.

In addition, as storage and retrieval of images is implemented by recording on an analog video tape, a storage for storing a recording medium is essential in a facility requiring long-term storage of the recording. Due to the technical characteristics of the analog signal, noise and interference may occur depending on the cable quality and transmission distance.

Accordingly, the present invention is to solve such a problem, the purpose of which can be quickly recognized by the manager when an emergency situation occurs in the station of the urban railway can be quickly responded as well as efficient manpower and system operation is possible Haejin is to provide an intelligent comprehensive monitoring system based on urban railways.

The present invention to solve this technical problem;

Cameras installed in the history of railways or railway cars, and an intelligent image analyzer for generating event information when an object movement is detected in the image by analyzing an image photographed by the camera, and when event information is generated in the intelligent image analyzer. It provides an urban railway based intelligent comprehensive monitoring system, which is composed of optical transmission equipment that transmits images to the general command room for the administrator to monitor.

In this case, the camera is any one of a dome camera, a speed dome camera, a general camera, an outdoor camera for taking an analog image.

On the other hand, further comprising a character generator for inputting a character to the image passed through the intelligent image analyzer, a VDA for distributing the image input the character through the character generator, and a DVR that stores the image distributed through the VDA It features.

At this time, the character generator is characterized in that the multi-vision by inputting the letters, English, numbers, special characters, etc. to the images taken from each analog camera.

In addition, the VDA is characterized by distributing the image input characters through the character generator to the MATRIX, DVR, optical transmission equipment, four-screen splitter, platform monitors.

In addition, the DVR records the video of all the installed cameras, characterized in that to provide a port for transmitting images and data to the optical transmission equipment.

The image passing through the VDA is displayed in multivision.

On the other hand, the optical transmission device is characterized in that the optical transmission card for transmitting the image passed through the intelligent image analyzer to the monitor of the general command room.

And, the optical transmission device is characterized in that the built-in network identification card.

The present invention also provides An intelligent network camera installed in the history of a city railway or a railroad vehicle to capture an image, but to mount an intelligent image analyzer that detects the movement of an object and generates event information; It also provides an urban railway-based intelligent comprehensive monitoring system comprising a; optical transmission device for transmitting an image to the general command room so that the administrator can monitor when event information occurs in the intelligent network camera.

In this case, the video information captured by the intelligent network camera is digital video information, and the digital video information is stored in a video server.

The method may further include an analog camera and an intelligent image analyzer configured to generate event information when the object is detected in the image by analyzing the image photographed by the analog camera.

In addition, an intelligent management server for monitoring and managing image information captured by the intelligent network camera, an intelligent daemon server for driving a continuous monitoring or management processor, and a mass storage device for storing image information captured by the camera are provided. It is characterized in that it is further included.

According to the present invention, when an event occurs by improving a general monitoring system installed in the history or track of an urban railway, the video information is exposed to a monitor provided in a general command room or a platform, and the like, as well as an efficient manpower of the system. Not only is it possible to operate, it is also possible to reduce the system configuration and thereby reduce maintenance costs.

In addition, by converting the image into a digitized image and recording it on a disk device, a separate media storage is not required. When searching for a video captured by a camera, a condition search based on event information is possible. Rapid judgment on accidents can be made.

With reference to the accompanying drawings, a smart railway based intelligent comprehensive monitoring system according to the present invention will be understood by the embodiments described in detail below.

At this time, Figure 1 is a block diagram showing an example of an intelligent integrated monitoring system based on urban railway according to the present invention, Figure 2 is a block diagram showing another example of an intelligent integrated monitoring system based on urban railway according to the present invention 3 is a block diagram showing another example of an intelligent comprehensive monitoring system based on urban railways according to the present invention.

First, an intelligent comprehensive surveillance system based on an urban railway according to the present invention includes an intelligent comprehensive surveillance system that fully utilizes a system using an existing analog camera as shown in FIG. 1, and an intelligent network camera as illustrated in FIG. 2. It is possible to configure the intelligent comprehensive monitoring system applied, and the intelligent comprehensive monitoring system that digitizes and utilizes images captured by all cameras as shown in FIG. 3.

More specifically, as shown in FIG. 1, in the case of an intelligent comprehensive monitoring system utilizing the existing system to the maximum, an analog image of various analog cameras 100 installed in the existing system may be analyzed using the image analyzer 110. And, through such analysis, it is configured in the form of displaying a pop-up window or a message on the screen of the administrator when an event occurs.

In addition, as shown in FIG. 2, in the case of an intelligent comprehensive monitoring system using the intelligent network camera 106, the intelligent video analyzer 110 and the intelligent network camera 106 may be simultaneously applied. 106) is a device that integrates a network camera and an intelligent image analyzer, and performs intelligent image analysis, and digital image data is output.

And, as shown in FIG. 3, in the case of an intelligent comprehensive monitoring system that digitizes the images of all the cameras 100, data is transmitted based on Ethernet, and all image data is stored in the video server 107, and the event is The generated event image is transmitted to the general command room 200 through the optical transmission device 112 and monitored through the monitor 210 provided in the general command room 200.

Hereinafter, the structure of each part which comprises this invention is demonstrated more concretely.

First, according to FIG. 1, an intelligent comprehensive monitoring system based on an urban railway according to the present invention utilizes an existing surveillance system to the maximum. An analog camera 100 and an analog camera installed in a railway station or a railway vehicle of an urban railway, etc. The intelligent image analyzer 110 generates event information when the image of the object is detected in the image by analyzing the captured image, and the administrator can monitor the event information when the event information occurs in the intelligent image analyzer 110. Consists of the optical transmission equipment 112 to transmit to the command room (200).

Such an analog camera 100 is installed in a room of a history railway, a railroad or a railway vehicle, and photographs an analog image, and includes a dome camera 101, a general camera 102, and a speed dome camera 103. ), Outdoor cameras 104, 105, and the like.

More specifically, the dome camera 101 is installed in a waiting room, a transit passage, an elevator, an escalator, etc., and checks all situations in the station. The dome camera 101 should be freely installed. There must be a port to connect to the monitor, and it must be able to connect to a small monitor for field testing.

In addition, the general camera 102 is installed in a waiting room, convenience facilities, platform, etc. to check all the situation in the station, in the case of the ground platform should be equipped with a lens for correcting the backlight, It is important to maintain unaffected performance.

In addition, the speed dome camera 103 is installed in a waiting room, a convenience facility, a platform, etc., and checks all the situations in the station, and coordinates the location of the camera to a designated area or an area where an event occurs when the event occurs in conjunction with a fire and emergency call alarm receiver. This function is to control the camera. In general, the camera should be controlled through the RS-232 or RS-485 port.

In addition, the outdoor camera 104 installed in the outdoor and substation room has a function of checking the situation of the outdoor and substation room. When the outdoor camera is installed outdoors, a camera capable of compensating backlighting is used, and even in a natural disaster such as rain or snow. Should not be affected.

In addition, the outdoor camera 105 in the area where the line changer is installed has a function of grasping the line state, and should have an automatic IRIS function in which the iris is automatically adjusted according to the amount of external light.

The analog image of the analog camera 104 is input to the intelligent image analyzer 110. The intelligent image analyzer 110 analyzes an image and detects the movement of an object in the image to generate event information.

By using such event information, the existing simple video can be solved the problem that the administrator should monitor 24 hours. That is, the monitoring agent does not wait for 24 hours, and when the event occurs in the intelligent image analyzer 110 by transmitting an image to monitor the image of the camera 100, it is possible to actively and efficiently cope with the situation occurs.

In this case, the intelligent image analyzer 110 analyzes the movement of the object by using image processing to determine whether an event has occurred.

When event information occurs while analyzing the image in the intelligent image analyzer 110, the controller transmits the information to the optical transmission device 112 so that the administrator can monitor the text generator 114 and the VDA 116 (Video Distribution Amplifier). The rough image may be stored in the DVR 118.

The optical transmission device 112 serves to transmit the multiplexed images of the camera collected in the field to the general command room 200 by using the optical cable, the history system is basically a general command room 200 The eight video signals are transmitted through the optical transmission device 112 without compression. The system must be able to provide EMS functionality and support digital optical transmission technology for long distance and high quality video transmission.

Such an optical transmission device 112 is provided with an optical transmission card, the optical transmission card is divided into a transmission card and a reception card, so that in the event of a failure, it is immediately replaced in the field so as not to interfere with system operation.

In addition, the optical transmission device 112 is provided with a network identification card to provide a remote confirmation function of the system. The image optical transmission device 112 of each station is capable of supporting eight video inputs, one or more data, Ethernet, and ports, and is preferably configured to support up to 16 video channels.

On the other hand, the character generator 114 is input to the multi-vision 120 by inputting Korean, English, numbers, special characters, etc. to the image taken from each analog camera 100. In this case, there is a black border on the text, so it is possible to display clear text even in bright or dark images, and to provide an ON / OFF output function for each output time, and to display Korean, English, and special characters. Should be provided.

In addition, the VDA 116 (Video Distribution Amplifier) passes through the character generator 114 and inputs a character input image to the MATRIX 122, the DVR 118, the optical transmission device 112, the four-screen splitter 123, By distributing to the platform monitor 124 or the like, the VDA 116 should be able to prevent complicated wiring work, as well as a slot type video distribution card. In addition, it is possible to use black and white and color, and to adjust the brightness by gain adjustment for each channel.

In addition, the DVR 118 is applied to all the general station in order to record the video, and records the video of all the installed camera 110, and provides a port for transmitting the video and data to the optical transmission device (112). .

In addition, it is necessary to set the camera 100 for each day of the week and make scheduled recording, and to add a schedule function to operate according to a predetermined schedule. Recording speed control function is included for each channel and must be able to accommodate more than 16 channels.

In addition, the image that has passed through the VDA 116 may be displayed as a multivision 120. The multivision 120 receives a video, RGB, and other necessary images in a station, and divides, enlarges, reduces, transfers, or videos the video. Various scenarios such as converting to RGB and POP-UP should be expressed.

In particular, the multi-vision 120 should be able to display the various images of the analog camera 100 installed in the station in a multi (multi) as well as to display the images of more than 64 cameras 100 effectively divided do.

In this case, the multi-vision 120 should be able to express 16 or more DVR images and other RGB images simultaneously or selectively on two sides, and should be freely controllable through the multi-vision controller 126. The multi-vision 120 should be able to automatically display the screen in the event of an emergency in connection with the emergency call device (not shown) of the fire receiving panel 128.

The multivision controller 126 is required to effectively operate the multivision 120 in conjunction with other devices. Communication with the intelligent comprehensive monitor 130 should be able to drive.

In addition, the multi-vision controller 126 should receive various types of video signals and control them with various sizes, and should be able to control video signals based on stable hardware and control various signals. Of course, it should be easy to expand when additional systems are expanded. In addition, the multi-vision controller 126 should have a function capable of interworking with the emergency call device of the regional fire receiving panel 128.

The multi-vision controller 126 controls the DVR switch 118 and a matrix switch 132 for switching input / output of various types of RGB signals, and at least 16 RGB inputs of the matrix switch 132 are possible. Should be.

At this time, the matrix switch 132 should be able to maintain the previous operating state after the power is turned off (OFF) or in case of power failure. It should be able to display the screen to the multi-vision 120 in conjunction with all the DVR 118 in the station room.

Meanwhile, the KVM switch 134 functions to manage and operate a keyboard, video, and mouse in an integrated manner, and may select four or more DVRs 118 with one monitor, keyboard, and mouse.

In this case, the KVM switch 134 may be supported by multiple operating systems, and the OSD function can be assigned to a server name by using a hot-key of a keyboard without additional software, thereby preventing confusion when the DVR 118 is operated at a long distance. It is possible to check the system status with LED display.

In addition, the image displayed on the multivision 120 may be freely selected and displayed in the station room through the 16-screen divider 136. In this case, the 16-screen divider 136 basically performs a function of dividing and outputting 16 video signals into one video signal and provides an image sensing display function. In addition, 16 or less screen divisions (16 channels, 9 channels, 4 channels, 1 channel) are possible.

When the analog camera 100 is a rotary camera, it may be controlled by the camera controller 138. In this case, in order to control a plurality of rotating cameras, the control signal of the camera controller 138 is efficiently distributed by the SDU 142 (Signal Distributor Unit) via the converter / inverter device 140 to generate a data collision between the cameras. It prevents you from doing it. Basically, camera control is done through keyboard, SDU is used to control multiple PTZ cameras, and communication method connects RS-485 port.

On the other hand, the fault information receiving unit 144 is a function that can display and maintain the status of the device in real time as alarms and images in real time, and not only a function using a socket program, but also a serial communication program without a socket program. It also provides COM pod function that can be used as it is.

In addition, it is preferable that the fault information receiving unit 144 supports various serial communication methods such as RS232 / RS422 / RS485 to enable selection according to a user's environment.

Meanwhile, the sensor node 146, the gateway 148, the optical sensor 150, and the data logger 152 are installed and operated in the same manner as in the general surveillance system.

Looking at these, the sensor node 146 collects the surrounding information, converts it into a signal for transmission, and transmits it to the gateway 148. The sensor node 146 is largely an MCU, a sensor, and a power unit (battery). And a wireless transmitter. The sensor node 146 includes an environmental monitoring node 146a, a fire monitoring node 146b, and a structural health node 146c.

The environmental monitoring node 146a, for example, measures the oxygen concentration in the underground station to detect whether a pleasant environment is maintained, and is preferably made of an oxygen sensor or the like.

In addition, the fire monitoring node 146b is a flame sensor that can determine the flame holding time for distinguishing whether there is a flame and a light that is on for a while, such as a lighter, a smoke sensor that can know the concentration of smoke, and the ratio of CO in the air. By collecting multifaceted data through a known CO sensor, the system quickly detects the occurrence of a fire through academic and professional calculations.

In addition, the structural health node 146c may detect earthquakes or near-historical constructions affecting historic structures through changes in vibrations and accelerations transmitted to historic structures, and events detected by acoustic sensors may cause natural earthquakes. Cognition or diagnosis of earthquakes caused by anthropogenic factors such as historic construction or explosions is also possible.

In addition, the optical sensor 150 is composed of a fire monitoring optical sensor (150a) and the structural sound light sensor (150b). The fire monitoring optical sensor 150a detects light generated in a fire, and the structural sound optical sensor 150b is generally a fiber Bragg grating (FBG) using an ultraviolet laser to an optical fiber core portion. The sensor is manufactured. The grating reflects only the wavelengths satisfying the Bragg condition and transmits other wavelengths as it is. Therefore, when the grating's ambient temperature changes or when the grating's tension / compression is applied, the grating spacing of the grating of the optical fiber changes. Appears as a change in wavelength of reflected light.

On the other hand, it is impossible to transmit the ZigBee signal used in the sensor network to the central control system as it is, the peripheral information sensed by the sensor node 146. Therefore, the gateway 148 collects the surrounding information collected from the sensor node 146 and merges the surrounding information into a signal of a heterogeneous network that can be transmitted to the central control system and then transmits the converted information.

In the present invention, according to the installation location and environment of the gateway 148, where wired Ethernet is installed, it is converted into an Ethernet signal and transmitted, and where wired Ethernet cannot be installed, it is converted into a WLAN signal to transmit monitoring information to a central control system. do.

The data logger 152 is composed of an FBG sensor system, a high output laser, an optic filter, and a signal processing module. FBG sensors can be multiplexed in series if the center wavelengths of the sensors are different. In order to find the center wavelength reflected from the FBG sensor, the light of SLD (Super-luminescent Diode) is sequentially changed and the response characteristic is measured by FBG sensor receiver. The data logger 152 receives peripheral information collected from the optical sensor 150 installed in the vicinity, merges the information, and transmits the information to the central control system.

2 and 3 are diagrams illustrating other embodiments of the intelligent metropolitan surveillance system according to the present invention, and the same components as those of FIG. 1 will be described using the same numbers or symbols.

According to FIG. 2, the intelligent railway surveillance system based on the present invention applies the intelligent network camera 106 to the configuration of FIG. 1.

The intelligent network camera 106 is an intelligent video analyzer mounted inside the camera. When an image is taken, the intelligent network analyzer 106 analyzes the image to generate event information and outputs the image to the optical transmission equipment 112 when an event occurs. 200).

In this case, the image information captured by the intelligent network camera 106 is a digital form. The image information photographed by the intelligent network camera 106 is stored in the video server 107 and transmitted to the general command room 200 through the optical transmission equipment 112.

On the other hand, in order to use the analog camera 100 installed in the station or railway vehicle of the urban railway, an intelligent image analyzer for generating event information when analyzing the image taken by the analog camera 100 to detect the movement of the object in the image It is also possible to operate in parallel by installing 110 together.

On the other hand, the image information captured by the plurality of intelligent network camera 106 and the general analog camera 100 is stored and managed by the server 160.

The server 160 includes an intelligent management server 162, an intelligent daemon server 164 for continuously monitoring or managing a processor, and a mass storage device 166 for storing image information photographed through the cameras 110 and 106. It is configured to store and manage video information.

In addition, according to FIG. 3, the intelligent railway surveillance system according to the present invention is a video server provided separately after analyzing images captured by the analog camera 100 in the intelligent image analyzer 110. 107) to store and manage.

Accordingly, the images of all the cameras 100 and 107 are digitized and stored in the video server 107, and the event image in which the event occurs is transmitted to the general command room 200 through the optical transmission device 112.

Of course, the video information of the video server 107 is stored in the mass storage device 166 the video event generated by the intelligent management server 162 and intelligent daemon server 164.

Although the preferred embodiment of the present invention has been described above, the scope of the present invention is not limited thereto, and the scope of the present invention extends to the scope of the present invention to be substantially equivalent to the embodiment of the present invention. Various modifications can be made by those skilled in the art without departing from the scope of the present invention.

1 is a block diagram showing an example of an intelligent comprehensive monitoring system based on urban railways according to the present invention.

2 is a block diagram showing another example of an intelligent integrated monitoring system based on urban railways according to the present invention.

Figure 3 is a block diagram showing another example of the intelligent comprehensive monitoring system based on urban railway according to the present invention.

*** Explanation of symbols for main parts of drawing ***

100: camera 106: intelligent network camera

107: video server 110: intelligent video analyzer

112: optical transmission equipment 114: character generator

116: VDA 118: DVR

120: multivision 126: multivision controller

126: multivision controller 160: server

162: intelligent management server 164: intelligent daemon server

166: mass storage device 200: general command room

Claims (13)

A camera installed in the history or railway vehicle of the urban railway; An intelligent image analyzer configured to analyze the image photographed by the camera and generate event information when detecting the movement of an object in the image; A character generator for inputting characters into the image which has passed through the intelligent image analyzer; A VDA for distributing the image inputted with the character that has passed through the character generator; A DVR storing the image distributed through the VDA; A multi-vision for displaying an image passed through the VDA; A multivision controller controlling a screen displayed through the multivision; An optical transmission device for transmitting an image to a general command room so that an administrator can monitor when event information occurs in the intelligent image analyzer; Sensor node for collecting the surrounding information and transmitting to the gateway; And It is configured to include a gateway that merges and transforms the surrounding information collected from the sensor node and transmits it to the central control system, The VDA distributes the text input image through the character generator to the MATRIX, DVR, optical transmission equipment, four-screen splitter and platform monitor, The sensor node consists of an environmental monitoring node for detecting whether or not to maintain a pleasant environment of history, a fire monitoring node for detecting the presence of a fire, and a structural soundness node for detecting a change in vibration and acceleration transmitted to a structure forming a history. Intelligent railway based intelligent comprehensive monitoring system. The method of claim 1, The camera is any one of a dome camera, a speed dome camera, a general camera, an outdoor camera for taking an analog image, the intelligent railway based surveillance system. delete The method of claim 1, The character generator is based on the urban railway intelligent intelligent monitoring system, characterized in that the multi-vision to display by inputting Korean, English, numbers, and special characters to the images taken from each analog camera. delete The method of claim 1, The DVR records video of all installed cameras, and provides a port for transmitting images and data to an optical transmission device. delete The method of claim 1, The optical transmission system is an urban railway based intelligent comprehensive monitoring system, characterized in that the optical transmission card for transmitting the image passed through the intelligent image analyzer to the monitor of the general command room. The method of claim 1, The optical transmission equipment is an intelligent railway system based on the urban railway, characterized in that the built-in network identification card. delete delete delete delete

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