CN101898567A - Intelligent Video-Based Railway Foreign Object Intrusion Monitoring System - Google Patents

Abstract

Translated fromChinese

本发明公开了一种基于智能视频的铁路异物侵限监控系统，由现场监控子系统(1)、车载报警子系统(2)、数据传输子系统(3)、监测中心子系统(4)其中，现场监控子系统(1)由摄像机(11)和异物侵限监测终端(12)组成；监测中心子系统(4)是本系统信息处理中心，包括监测中心服务端(41)和监测中心客户端(42)；车载报警子系统(2)主要由车载报警终端(21)组成，负责接收现场监控子系统发送来的报警信息并向机车发出报警提示。本发明监测直观，范围大，监控能力强，尤其适合高铁系统使用，减少安全事故的发生。

The invention discloses an intelligent video-based railway foreign body invasion monitoring system, which consists of an on-site monitoring subsystem (1), a vehicle-mounted alarm subsystem (2), a data transmission subsystem (3), and a monitoring center subsystem (4). , the on-site monitoring subsystem (1) is composed of a camera (11) and a foreign object intrusion monitoring terminal (12); the monitoring center subsystem (4) is the information processing center of the system, including the monitoring center server (41) and the monitoring center client terminal (42); the vehicle-mounted alarm subsystem (2) is mainly composed of a vehicle-mounted alarm terminal (21), which is responsible for receiving the alarm information sent by the on-site monitoring subsystem and sending an alarm prompt to the locomotive. The invention has the advantages of intuitive monitoring, large range and strong monitoring ability, and is especially suitable for use in high-speed rail systems, thereby reducing the occurrence of safety accidents.

Description

Railway foreign body limit-intruding monitoring system based on intelligent video

Affiliated technical field

The present invention relates to a kind of railway foreign body intrusion be carried out the railway anti-disaster safety monitoring system of monitoring, alarming, especially a kind of railway foreign body limit-intruding monitoring system based on intelligent video analysis and wireless communication technology.

Background technology

Along with the fast development of high speed railway construction, train running speed improves constantly, and the requirement of train operating safety is also improved constantly.The train braking distance of speed per hour more than 200 kilometers approximately needs 2 kilometers, and thereby can't in time take brake measure, cause great train operation accident iff relying on the visual foreign matter of finding in the circuit of driver this moment.Because the foreign body intrusion incident has sudden, irregular following and characteristics such as unpredictable, need sophistication monitoring foreign body intrusion incident, send warning before the limit place is invaded in train arrival, control train deceleration or parking guarantee train operating safety.

Chinese patent CN200820148978.2 has proposed a kind of foreign body intrusion monitoring device based on the monitoring electrical network, and this device has been realized the foreign body intrusion state of real-time monitoring specific region.But this monitoring method has following shortcoming: 1, need to cooperate grille guard work, maintenance workload is big, needs application to put in a skylight the time; 2, detection range is little, can only detect the scope that monitoring net covers, and is fit to the monitoring in zone undetermined, and is not suitable for the monitoring of railway main track; 3, can't detect the junk elongated, that quantity is big; 1, can't detect the foreign matter that has fallen into track.

Utilize traditional video monitoring methods also can realize the monitoring of foreign body intrusion, but it have following shortcoming: 1, to need special supervision personnel to stare at screen for a long time and observe whether foreign body intrusion is arranged, be easy to generate visual fatigue and fail to report alert incident; 2, when the control point is many,, need to drop into a large amount of personnel's screens owing to the content that a people can see is limited; 3, all video is all passed monitoring and control centre back and need be taken a large amount of bandwidth; 4, alarm message is not in time informed train, the driver can't in time take counter-measure.

At the problems referred to above, the present invention proposes a kind of based on the intelligent video analysis technology, by analysis and judgement to real-time video, automatically judge various foreign body intrusion incidents, and alarm message is sent to simultaneously the railway foreign body limit-intruding monitoring system of train operator and monitoring and control centre by wireless communication technology.

Summary of the invention

The objective of the invention is to, overcome above-mentioned the deficiencies in the prior art, provide a kind of foreign body limit-intruding monitoring system: first based on intelligent video, this system is the monitoring circuit video in real time, and whether automatic analysis and judgment has the foreign body intrusion incident to take place, all collections and judging part carry out at front monitoring front-end, need not manual intervention; Second, when foreign body intrusion takes place, can automatically produce alarm message according to the alarm rule of setting, and alarm message is superimposed upon on the image sends it back monitoring and control centre by wired or wireless network, the monitoring and control centre client ejects automatically the control point picture of reporting to the police takes place; The 3rd, the alarm message of generation sends near the control point train by wireless network simultaneously, and informs that by voice suggestion the train operator takes appropriate measures; The 4th, the alarm linkage function is provided, when the generation of warning is arranged, can trigger memory storage or other interlocking equipment simultaneously.

The objective of the invention is to realize by following means.

Based on the railway foreign body limit-intruding monitoring system of intelligent video, form by on-site supervision subsystem 1, vehicle carriedsubsystem 2,data transmission subsystem 3, monitoring center's subsystem 4.Wherein, on-site supervision subsystem 1 is made up of pick upcamera 11 and foreign bodyintrusion monitoring terminal 12; Monitoring center'ssubsystem 4 comprises monitoring center'sservice end 41 and monitoring center'sclient 42; Vehicle carriedsubsystem 2 mainly is made up of vehicle carriedterminal 21, be responsible for to receive alarm message that the on-site supervision subsystem sends and sends alarm to locomotive.

Principle of work of the present invention is: by pick upcamera 11 acquisition monitoring point real-time video information, adopt the intelligent video analysis technology by foreign bodyintrusion monitoring terminal 12, automatically analyze and extract the key message in the video source, foreign body intrusion is discerned judgement, then the alarm message that generates is superimposed upon on the image, deliver to video encoding module and carry out compressed encoding, report to monitoring and control centre bytransmission subsystem 3 at last, the monitor staff can make further judgement according to graphicinformation and alarm message, takes appropriate measures.Simultaneously, the alarm message that is generated by foreign bodyintrusion monitoring terminal 12 transfers to vehicle carriedterminal 21 by wireless-transmission network, and vehicle carried terminal sends the audio alert prompting according to alarm content to the driver.

After adopting design as above, beneficial effect of the present invention mainly shows:

1, monitoring is directly perceived, and scope is big.Because native system is based on the monitoring of video, the monitor staff can retrieve for examination the monitoring image scene as required at any time, and therefore monitoring is directly perceived, and coverage is big, and the regional portion in the camera field of view scope is in the native system monitoring range;

2, monitoring efficient height.Native system can be judged the generation of foreign body intrusion according to alarm rule automatically based on the intelligent video analysis technology, does not need the monitor staff to dig-in screen always, and the monitor staff only need confirm to get final product when system alarm.Avoided the monitor staff to cause fatigue to reduce attention, improved the effect of monitor staff's actual monitored because of watching screen for a long time;

3, monitoring capacity is strong.The intelligent vision analytical technology can identify the slight change that human eye can't be differentiated, and for example intrusion behavior and the threat under remote distance, insufficient light, low contrast, environment camouflage or the like situation fallen into the foreign matter of track etc.;

4, working service is easy.Because native system is a kind of contactless detection, check implement does not have loss, reduces maintenance cost;

5, save bandwidth.Only, saved transmission bandwidth greatly, under the comparable bandwidths condition, can hold more multi-path monitoring at the alarm rule just transmission of video that is triggered;

6, alarm message can realize transferring to automatically near the train monitoring point by wireless communication technology, and sends alarm according to warning classification and alarm level to the train operator, and the train operator can in time take counter-measure, reduces the generation of safety misadventure;

7, the local memory cell of headend equipment can keep the on-the-spot Video Document of monitoring, is convenient to relevant departments' law enforcement and analyzes;

8, highly integrated.Based on the complete embedded intelligence visual analysis of DSP, all monitoring judgements all realize at front monitoring front-end, do not need the external software support, need not manual intervention.

Description of drawings

Fig. 1 is a structured flowchart of the present invention.

Fig. 2 is a foreign body intrusion monitoring terminal structured flowchart of the present invention.

Fig. 3 is a vehicle carried terminal structured flowchart of the present invention.

Fig. 4 is a monitoring and control centre service end structured flowchart of the present invention.

Fig. 5 is a monitoring and control centre client terminal structure block diagram of the present invention.

Fig. 6 is a foreign body intrusion monitoring terminal workflow diagram of the present invention.

The specific embodiment

The invention will be further described below in conjunction with drawings and Examples.

Structured flowchart as shown in Figure 1, on-site supervision subsystem 1, vehicle carriedsubsystem 2,data transmission subsystem 3, monitoring center'ssubsystem 4.

On-site supervision subsystem 1 is made up of pick upcamera 11 and foreign bodyintrusion monitoring terminal 12, be responsible for the realtime graphic at acquisition monitoring scene, and foreign body intrusion judged identification, when the foreign body intrusion situation takes place, produce alarm message, be superimposed upon and be sent to monitoring and control centre on the image together, simultaneously alarm message is sent near the train the monitoring point.

Pick upcamera 11 comprises camera, The Cloud Terrace and infrared illuminator.The structured flowchart of foreign bodyintrusion monitoring terminal 12 specifically comprises as shown in Figure 2: video acquisition module 121, analysis module 122, video encoding module 123, local memory module 124, alarm linkage interface 125, car-ground radio coffret 126, network communication interface 127.Video acquisition module 121 links to each other with pick upcamera 11 by video line, the analog video signal that pick upcamera 11 is gathered carries out digitized processing, 122 pairs of video scenes of analysis module carry out analyzing and processing, distinguish moving target and judge whether the behavior of target meets default alert if, when alert if satisfies, produce alarm message, and the total image of alarm signal that will superpose is sent into video encoding module 123,123 pairs of videos of video encoding module carry out compressed encoding, video flowing after the compression is sent to monitoring and control centre by network communication interface 127 on the one hand, deliver to local memory module 124 on the other hand and preserved, in order to verification afterwards.

Further, when analysis module 122 judges that alert if satisfy, also alarm message is sent into car-ground radio coffret 126, alarm message is sent near the monitoring point train by car-ground radio coffret 126.Further, when report to the police taking place, also exportable alerting signal is to alarm linkage interface 125, link to control external device (as the opening signal lamp etc.).

The workflow of foreign body intrusion monitoring terminal specifically describes as follows as shown in Figure 6:

Step 1: the video at video acquisition module 121 acquisition monitoring scenes, and carry out digitized processing;

Step 2: 122 pairs of video informations of analysis module carry out analyzing and processing, judge whether to meet default alert if according to alarm rule, satisfy if judge alert if, then enter next step, otherwise proceed to gather and analyze;

Step 3: if judgement is reported to the police, then generate alarm message, comprise warning classification, alarm level and monitoring point numbering etc. according to alarm rule.And carry out following processing:

Step 3.1: be superimposed upon the alarm message that generates on the video pictures and deliver to video encoding module 123;

Step 3.2: if disposed the car-ground radio transport module, then the alarm message that generates is delivered to car-ground radio coffret 126, transfer near the control point train by car-ground radio coffret 126;

Step 3.2: if disposed alarm linkage, then produce the alarm linkage control signal, deliver to alarm linkage interface 125;

Step 4: 123 pairs of videos of video encoding module carry out compressed encoding, and the video flowing behind the coding is divided into two-way, and one the road delivers to local memory module 124, and the network communication interface 127 of leading up to is sent to monitoring and control centre.

Be used for alarm rule that foreign body intrusion differentiates in thestep 2 and be a kind of or its combination of the following several dissimilar alarm rule that the user is provided with according to actual needs:

1) trip wire passes through warning: invade to pass through when people, animal or other foreign matter and send warning when stumbling line automatically.This alarm rule is set the line of stumbling of one or more arbitrary shape, can also specify the illegal direction (two unidirectional or two-way) of passing through the line of stumbling at each bar line of stumbling.When detecting with the trip wire pattern of passing through, will be left in the basket in the target of the line parallel direction motion of stumbling, only pass through and send warning when stumbling line when target.This detecting pattern is applicable to the intrusion detection of some specific occasion, for example climbs up and over enclosure wall, passes through security checkpoints, railroad crossing safety circumference etc.

2) fence intrusion alarm: aim to detect and climb up and over the quick configuration modes that behavior provided such as (or passing through) circumference and fence.This alarm rule is set the virtual fence of one or multi-channel arbitrary shape, and the length of each virtual fence in road, height and thickness can independently be provided with, and can specify the illegal direction (two unidirectional or two-way) of climbing up and over (or passing through) certain virtual fence in addition.When climbing up and over (or passing through) fence on the illegal direction, the invader will trigger warning automatically when (comprise below fence and get over, pass through or climb up and in the middle of the fence slit) from the fence top.This alarm rule is suitable for the intrusion defense of various circumferences and fence very much, for example railway guardrail (preventing to enter), enclosure wall application scenarios such as (preventing that any direction from passing through) of standing.

3) regional intrusion alarm: when people, animal or other foreign matter intrusion monitoring defence area, send warning automatically.This alarm rule is set the defence area of a plurality of arbitrary shapes, and a plurality of anti-zone position can be overlapping, is independent of each other.At each defence area, can also specify the parameters such as type (people, animal, the vehicle), size, invasion speed, the shortest invasion time and sense of motion of invader in this defence area, parameters all types of in each defence area can independently be set, and are independent of each other.Utilize above function, can in Same Scene, detect the moving target of different characteristic.This alarm mode detects at invader different size and motion feature, sends alerting signal and instant video affirmation mechanism is provided, and has effectively reduced because the unnecessary guard operations that wrong report causes.This alarm rule is applicable to that the illegal invasion of various occasions detects, for example invades high-risk zone, enters railway clearance, climbs up and over enclosure wall, and write down at the holdee who moves on the inherent illegal direction on one's own time etc.

4) foreign matter is left over warning: when article (parcel, fragment, luggage etc.) auto alarm when being placed or abandoning in certain defence area.No matter be the article (pick up camera is seen the situation of complete abandonment process) that carry and in the defence area, abandon by the people, or outside the defence area, thrown away article in the defence area (pick up camera see that part abandon the situation of process) by the people, still emergent article (pick up camera be can't see the situation of abandonment process fully) in the defence area can correctly detect abandon from scene.This newspaper police regulations are applicable to that then the abandon of various occasions detects the smooth liquid (may cause accidents such as the pedestrian slips, traffic accident) that for example accumulates on the article fragment on the dangerous obstacles on the railway, crag falling rocks, the rubbish of throwing out without care, the high speed railway, the ground etc.

Vehicle carriedsubsystem 2 mainly is made up of vehicle carriedterminal 21, is responsible for receiving the alarm message that the on-site supervision subsystem sends, and sends alarm to the driver.The structured flowchart of vehicle carriedterminal 21 specifically comprises as shown in Figure 3: car-ground radio coffret 211,warning processing module 212,audio alert module 213 and vehicle-mounted display module 214.Car-ground radio coffret 211 communicates by the car-ground radio coffret 126 of air interface and on-site supervision subsystem, receive alarm message, send intowarning processing module 212,warning processing module 212 is according to alarm message is handled and stored, produce different informations according to different alert levels, 213 of audio alert modules are reported warning voice prompt information according to alert levels to the driver, vehicle-mounteddisplay unit 214 is optional module, can show the realtime graphic information and the alert data of monitoring point.

Data transmission subsystem 3 is responsible for the video information and the alarm message of collection in worksite are uploaded to monitoring and control centre.Optionally type of transmission comprises GSM-R/GPRS/CDMA/3G or wired multiple communication modes such as (optical fiber, ADSL), according to on-site actual situations, selects flexibly.

Monitoring center'ssubsystem 4 is native system information processing centre (IPC)s, comprises monitoring center'sservice end 41 and monitoring center's client 42.Video information and alarm message that on-site supervision subsystem 1 is gathered are pooled to monitoring center'sservice end 41 bytransmission network 3,41 pairs of information of monitoring center's service end are handled and are stored, related service department can utilize monitoring center'sclient 42 with relevant leader, monitors in real time and inquires about by multiple modes such as wireless network, Internet.

The structured flowchart of monitoring center'sservice end 41 specifically comprises as shown in Figure 4:center management server 411,storage server 412,forwarding server 413 are formed.411 pairs of system resources of center management server are carried out centralized management, comprise equipment, user, website etc.Center management server is as the core of total system, for total system provide original data preservation, administer and maintain.Storage server 412 radical functions are that video recording and alert data are carried out centralized stores andmanagement.Forwarding server 413 is responsible for the distribution of Media Stream, and the video that on-site monitoring equipment sends at first inserts forwarding server, is distributed to client by the service of transmitting 413 again.

The structured flowchart of monitoring center'sclient 42 specifically comprises as shown in Figure 5:monitoring unit 421,information management unit 422, playing backvideos unit 423 and the inquiry ofhistorical data unit 424 are formed in real time.In realtime monitoring unit 42 is used for real time inspection control point video, reports to the police when taking place when the monitoring scene has, and monitoring unit will eject the video information of alarm set point automatically, and the user can do further to judge according to video, to remove flase alarm.The user also can retrieve for examination the video of specifying the control point as required.Information management unit 422 be used for the configuration management various device, show each equipment running status, configuration and leading subscriber authority etc.Playing backvideos unit 423 is used for checking and the program request video information.The inquiry ofhistorical data unit 424 shows historical alarm message with various diagrammatic forms, and carries out the statistic of classification analysis according to alarm level and control point.

Claims (5)

Translated fromChinese

1.基于智能视频的铁路异物侵限监控系统，由现场监控子系统(1)、车载报警子系统(2)、数据传输子系统(3)、监测中心子系统(4)其中，现场监控子系统(1)由摄像机(11)和异物侵限监测终端(12)组成；监测中心子系统(4)是包括监测中心服务端(41)和监测中心客户端(42)；车载报警子系统(2)主要由车载报警终端(21)组成，负责接收现场监控子系统发送来的报警信息并向机车发出报警提示。1. The railway foreign object intrusion monitoring system based on intelligent video consists of on-site monitoring subsystem (1), on-board alarm subsystem (2), data transmission subsystem (3), and monitoring center subsystem (4). Among them, the on-site monitoring subsystem System (1) is made up of video camera (11) and foreign matter invasion limit monitoring terminal (12); Monitoring center subsystem (4) is to comprise monitoring center server end (41) and monitoring center client end (42); Vehicle alarm subsystem ( 2) It is mainly composed of the on-board alarm terminal (21), which is responsible for receiving the alarm information sent by the on-site monitoring subsystem and sending an alarm prompt to the locomotive.2.根据权利要求1所述之基于智能视频的铁路异物侵限监控系统，其特征在于，所述的异物侵限监测终端(12)的结构具体包括：视频采集模块(121)、视频分析模块(122)、视频编码模块(123)、本地存储模块(124)、报警联动接口(125)、车地无线传输接口(126)、网络通信接口(127)；视频采集模块(121)通过视频线与摄像机(11)相连，将摄像机(11)采集的模拟视频信号进行数字化处理，视频分析模块(122)对视频场景进行分析处理；视频编码模块(123)对视频进行压缩编码，编码后的视频流分成两路，一路送至本地存储模块(124)，一路通过网络通信接口(127)传送至监控中心。2. The intelligent video-based railway foreign object intrusion monitoring system according to claim 1, wherein the structure of the foreign object intrusion monitoring terminal (12) specifically includes: a video acquisition module (121), a video analysis module (122), video encoding module (123), local storage module (124), alarm linkage interface (125), vehicle-ground wireless transmission interface (126), network communication interface (127); video acquisition module (121) through the video line Linked to the camera (11), the analog video signal collected by the camera (11) is digitized, and the video analysis module (122) analyzes and processes the video scene; the video encoding module (123) compresses and encodes the video, and the encoded video The flow is divided into two paths, one path is sent to the local storage module (124), and the other path is transmitted to the monitoring center through the network communication interface (127).3.根据权利要求1所述之基于智能视频的铁路异物侵限监控系统，其特征在于，所述的车载报警终端(21)的结构具体包括：车地无线传输接口(211)、报警处理模块(212)、语音报警模块(213)和车载显示模块(214)。车地无线传输接口(211)通过空中接口接收报警信息，送入报警处理模块(212)，报警处理模块(212)根据对报警信息进行处理和存储，根据不同的报警级别产生不同的提示信息，语音报警模块(213)则根据报警级别向司机播报报警话音提示信息，车载显示单元(214)为可选模块，可以显示监测点的实时图像信息及报警数据。3. The intelligent video-based railway foreign object intrusion monitoring system according to claim 1, characterized in that, the structure of the vehicle-mounted alarm terminal (21) specifically includes: a vehicle-ground wireless transmission interface (211), an alarm processing module (212), voice alarm module (213) and vehicle-mounted display module (214). The vehicle-ground wireless transmission interface (211) receives the alarm information through the air interface, and sends it to the alarm processing module (212). The alarm processing module (212) processes and stores the alarm information, and generates different prompt information according to different alarm levels. The voice alarm module (213) broadcasts alarm voice prompt information to the driver according to the alarm level, and the vehicle display unit (214) is an optional module that can display real-time image information and alarm data of monitoring points.4.根据权利要求1所述之基于智能视频的铁路异物侵限监控系统，其特征在于，所述负责将现场采集的数据上传到监测中心子系统的数据传输子系统(3)可选的传输方式包括GPRS/CDMA/3G、有线光纤和ADSL多种通讯方式。4. The intelligent video-based railway foreign matter invasion monitoring system according to claim 1, characterized in that, the optional transmission of the data transmission subsystem (3) that is responsible for uploading the data collected on-site to the monitoring center subsystem Ways include GPRS/CDMA/3G, wired optical fiber and ADSL multiple communication ways.5.根据权利要求1所述之基于智能视频的铁路异物侵限监控系统，其特征在于，监测中心服务端(41)包括：中心管理服务器(411)、行储服务器(412)、转发服务器(413)；监测中心客户端(42)包括：实时监控单元(421)、信息管理单元(422)、录像回放单元(423)和历史数据查询单元(424)。5. The railway foreign matter invasion monitoring system based on intelligent video according to claim 1, wherein the monitoring center service end (41) includes: a central management server (411), a line storage server (412), a forwarding server ( 413); the monitoring center client (42) includes: a real-time monitoring unit (421), an information management unit (422), a video playback unit (423) and a historical data query unit (424).

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