EP3969350A1 - Verfahren und eine vorrichtung zum betreiben eines videoüberwachungssystems für ein schienenfahrzeug - Google Patents
Verfahren und eine vorrichtung zum betreiben eines videoüberwachungssystems für ein schienenfahrzeugInfo
- Publication number
- EP3969350A1 EP3969350A1 EP20732751.1A EP20732751A EP3969350A1 EP 3969350 A1 EP3969350 A1 EP 3969350A1 EP 20732751 A EP20732751 A EP 20732751A EP 3969350 A1 EP3969350 A1 EP 3969350A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- video
- network
- video camera
- signal path
- surveillance system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 230000011664 signaling Effects 0.000 claims description 29
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0018—Communication with or on the vehicle or train
- B61L15/0027—Radio-based, e.g. using GSM-R
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0018—Communication with or on the vehicle or train
- B61L15/0036—Conductor-based, e.g. using CAN-Bus, train-line or optical fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0072—On-board train data handling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0081—On-board diagnosis or maintenance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/59—Context or environment of the image inside of a vehicle, e.g. relating to seat occupancy, driver state or inner lighting conditions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Definitions
- the invention relates to a method and a device for operating a video surveillance system for a
- the invention also relates to a
- Such a video system is usually connected to a data network in order to record the
- An object of the present invention is to provide a method and an apparatus for operating a
- Rail vehicle can contribute.
- Rail vehicle determining a topology of a signaling network that is assigned to the video surveillance system.
- the method includes identifying participants who are signal-coupled to the network, with at least one video camera and a video recorder forming a respective participant in the network.
- the method further comprises determining a signal path for the at least one video camera of the network as a function of the determined topology of the network.
- the signal path represents a signaling assignment of the at least one video camera to a video recorder.
- the method further comprises a step in which the at least one video camera is automatically assigned to the at least one video recorder as a function of the determined signal path.
- Video surveillance system possible and it can become a
- the video surveillance system includes, for example, a
- CCTV video surveillance system Vehicle interior of the rail vehicle, a so-called CCTV video surveillance system (closed circuit
- the video surveillance system also includes the signaling network which, for example, implements an internal data network of a rail vehicle as an Ethernet network.
- the signaling network which, for example, implements an internal data network of a rail vehicle as an Ethernet network.
- the data network are participants such as
- Data network designed as a line, ring or conductor structure.
- the data network and its participants are set up to be wired and / or wireless to one another communicate and transmit and / or receive data streams.
- the data network is set up or set up in such a way that respective data streams from a video camera to a
- assigned video recorder are running.
- an association between the video camera and video recorder takes place automatically, so that no manual association has to be made.
- An assignment takes place automatically when the video surveillance system is started, for example.
- the method also uses signaling
- Network connection or a video recorder reacts and the assigned video camera can be reassigned automatically.
- Ethernet switches should preferably be distributed in such a way that a bandwidth requirement of individual video streams at nodes, so-called Ethernet switches, does not exceed a maximum transferable bandwidth
- Video recorders on the data network to consider its performance includes, for example, knowing a maximum number of recordable video streams in the video surveillance system.
- data security requirements must be observed, for example redundant
- the method described is used to automatically assign a respective video camera to a respective video recorder in such a way that the load on network sections of the data network between network nodes and video recorders is minimal and at the same time the data security requirements are met.
- the described enables
- a preferred development of the method relates to a data network that has at least a first and a second video camera and a first and a second
- Has video recorders which can be coupled to one another in terms of signaling. According to the method, a respective
- Data network determined so that the first video camera is assigned to the first video recorder and the second video camera to the second video recorder. Such an assignment
- the topology is provided, for example, by a database or a data memory for the video surveillance system and, if necessary, loaded to carry out the method.
- the method includes monitoring of a functional state of the first and the second video recorder of the network and an automatic one
- the second video camera Reassigning the first video camera to the second video recorder if a failure of the first video recorder in the network is determined as a function of the monitoring.
- the second video camera is automatically reassigned to the first video recorder, if depending on the
- Network is determined. Such a reallocation takes place in particular in coordination with available bandwidths for data streams in lines, through nodes and / or
- the determination of a respective signal path includes a
- the method further comprises determining a respective signal path for a respective video camera of the network as a function of the evaluated subscriber data. For example are
- Video surveillance system and / or can be queried by a control unit of the video surveillance system from the connected participants if necessary.
- Subscriber data also include, for example, information on a signaling hierarchy, path costs and IP addresses, which specify what is where in the
- Data network is located in terms of signaling. In this way a clear and reliable assignment for a
- the method includes performing a network protocol and determining bandwidths of data streams that flow between participants in the network.
- the method further comprises determining a respective signal path and assigning a respective video camera of the network as a function of the determined Bandwidths in the network.
- Determining a respective signal path includes
- the respective video camera is then assigned to a respective video recorder, for example in
- the path costs take into account, for example, a number of
- Network nodes that the data streams run through and the availability of further services that occupy signal paths with a respective bandwidth.
- electronic switching elements enable processing and forwarding of a plurality of connected users of the network.
- a data transfer through such a switch is therefore preferably coordinated with other services, whose
- Determining the topology of the signaling network includes, for example, creating a topology graph, which represents a signaling card framework that includes information about the participants and established or developable signal paths of the network.
- a topology graph represents a signaling card framework that includes information about the participants and established or developable signal paths of the network.
- Such a graph is provided, for example, by a database or stored in a data memory of the video surveillance system and includes a large amount of information relating to the data network and its participants, such as the installation location of video cameras, video recorders and network nodes. It is therefore possible, based on the
- Topology graph to determine the best possible assignment of the participants in the data network.
- Another aspect of the invention relates to a device for operating a video surveillance system for a
- the device realizes, for example, a control or monitoring unit and is, for example, part of the video surveillance system.
- the device is, for example, a
- a rail vehicle has a car body and a video monitoring system which is coupled to the car body, the video monitoring system being assigned to a vehicle interior of the car body and comprising at least one video camera and a video recorder.
- the rail vehicle also has an embodiment of the device described above that is set up to operate the video surveillance system. Because the device is designed to do one of the previously
- Video surveillance system which in particular can be automated without manual intervention. So it is not
- a video camera is reassigned automatically if, for example, a video recorder is assigned to the video camera or cameras
- Distribution of the video cameras to other video recorders can thus also be saved. This contributes to the reliable and fail-safe recording of video data.
- the method described can be carried out, for example, by means of a topology service that is placed in the data network.
- a topology service is for
- Example part of a rail vehicle server system and is also used, for example, to suppress subsequent errors in a
- An existing topology service in a conventional rail vehicle can be functionally expanded according to the method described, so that existing systems can be expanded in a simple and cost-effective manner in order to carry out the described
- the topology service knows, for example, all participants in the data network and their signaling neighbors. All signaling nodes and edges of the topology graph represented by the data network are therefore known.
- the topology service also has information about the bandwidth used by the connected systems or participants, for example. For example, with regard to CCTV video cameras, this is the maximum bandwidth of the video transmissions sent. In relation to digital video recorders, for example, this is the maximum receivable or recordable bandwidth of video transmissions.
- the video cameras and video recorders are particular
- Components of a CCTV system for a rail vehicle which, for example, forms a closed video surveillance system.
- video cameras are provided so that video transmissions can be recorded redundantly. This means that some or each CCTV video camera will send its data streams to two or more video recorders simultaneously.
- Such specifications are also stored, for example, in a topology determination unit or a topology service and are used for signaling purposes when the is determined
- the topology service On the basis of such system data from the topology service, it generates a topology graph that is used to calculate the shortest path between the respective CCTV video cameras and the available video recorders.
- the shortest path represents, for example, a path with the lowest path costs and the lowest load
- the signal path is calculated, for example, according to common shortest path algorithms such as Dijkstra. That way it is by means of the
- the video monitoring system further comprises, for example, a monitoring unit or a monitoring service that can be specifically included in the described method and in particular enables the bandwidths of data streams between participants in the network to be monitored.
- System data that contain information about the participants, for example, are optionally included by such a monitoring service, for example.
- the monitoring service then runs, for example, in addition to the topology service, centrally in the data network and, using a network management protocol, for example via SNMP get, asks the bandwidth of connections between two participants, such as the network nodes or
- Video surveillance system can be taken into account. For example, the bandwidth of the video data streams is subtracted from the determined bandwidth values, so that an occupied bandwidth is shown without CCTV video data streams.
- the path costs take into account, among other things, a
- Network nodes or switches of the data network are Network nodes or switches of the data network.
- Video surveillance system A change is, for example, due to a failure of a network connection or a
- the video data streams are distributed in such a way that the load on the network nodes or Ethernet switches and the connection between them is optimized or minimized.
- the connection between network nodes is also made with the
- Monitoring service or a bandwidth monitoring unit it is also possible to take into account an actually available bandwidth and to avoid or prevent bottlenecks, for example in shared data networks.
- Figure 1 is a schematic representation of a
- Figure 2 shows an embodiment of a
- Figure 3 is a flow chart for a method for
- Figure 1 shows a schematic side view
- Rail vehicle 1 with a video surveillance system 10 which comprises two video cameras 15 and 16, which are signal-coupled to a network node 12 and a digital video recorder 14.
- Network nodes 12 and the video recorder 14 form participants in a data network 11 which, for example, implements an Ethernet network of the rail vehicle 1.
- Video surveillance system 10 is assigned to a vehicle interior of a car body 2 of rail vehicle 1 and
- CCTV surveillance system which is a self-contained video surveillance system
- Video surveillance system 10 a reliable and secure data processing of video signals or video data streams and can contribute to a fail-safe or failure-poor operation of the video surveillance system 10 and a contribution to increased security for use of the
- the method for operating the video surveillance system 10 can be carried out in accordance with the flow chart shown in FIG.
- Network 11 each determined a signal path.
- the respective signal path represents a signaling assignment of the respective video camera 15, 16 to a respective one
- step S5 of the method the video cameras 15 and 16 are then automatically assigned to the video recorder 14 in accordance with the respectively determined signal path.
- Video cameras 15 and 16 are assigned to one video recorder 14.
- FIG. 1 shows another embodiment of the
- Video surveillance system 10 having a plurality of
- the video cameras 15 and 16 are coupled to the video recorder 14 and the other network participants by means of a switch 12.
- Video cameras 25 and 26 are connected to the video recorder 24 and the other network participants by means of a switch 22
- the video cameras 27 and 28 are coupled by means of a switch 23 to the switch 22 and through this to the other network participants.
- the video cameras 35 and 36 are coupled to the video recorder 34 and the other network participants by means of a switch 32.
- the video cameras 37 and 38 are coupled to the switch 32 by means of a switch 33 and through this to the other network participants.
- the video cameras 45 and 46 are coupled to the video recorder 44 and the other network participants by means of a switch 42.
- twelve video cameras 15 - 46, four video recorders 14 - 44 and six switches 12 - 42 are provided, which form the data network 11. Accordingly, there are a large number of
- Video recorders 14 - 44 the video camera 15 can be assigned to the video recorder 14 by means of the switch 12, while the video camera 16 is assigned to the video recorder 24 by means of the switch 12 and the switch 22.
- the video recorder 44 can also be provided to record the video data streams from the video camera 16.
- a topology and a signal path are determined, for example, in a topology determination unit 50
- topology service a topology service
- the topology service 50 knows, for example, all participants in the data network 11 as well as their signaling neighbors and / or is able to do so, the participants and their
- the topology service 50 also has information on the bandwidth used by the connected systems or participants, for example. Regarding the Video cameras 15-46, for example, this is the maximum
- video cameras 15-46 are provided so that video transmissions can be recorded redundantly. This means that some or each video camera 15 - 46 sends its video data streams simultaneously to two or more video recorders 14
- Car body 2 is arranged in which the associated CCTV video camera 16 is provided. Such specifications are also stored, for example, in a topology determination unit 50 and are used for signaling purposes when the is determined
- the latter On the basis of such system data from the topology service 50, the latter generates a topology graph that is used to calculate the shortest path between the respective video cameras 15
- the shortest path represents, for example, a signal path with the lowest path costs and the lowest load on existing subscribers, in particular switches 12-42, of the data network 11.
- the signal path is calculated, for example, according to the usual shortest -Path algorithms, such as Dijkstra. That way it is by means of the
- the available digital video recorders 14 - 44 optimally allocate so that the video data streams, for example, as few network nodes 12 - 42 and others as possible
- the video surveillance system 10 further comprises a
- Monitoring unit 60 which can also be referred to as a monitoring service and which can be specifically included in the method described.
- the monitoring service 60 enables the bandwidths of data streams between participants in the network 11 to be monitored
- Video surveillance systems that contain information about the participants, for example, are optionally included by such a monitoring service 60, for example.
- the monitoring service 60 runs, for example, alongside the topology service 50 in a step S7 and asks cyclically by means of a
- Network management protocol for example via SNMP-get, occupied bandwidths of connections between two
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Medical Informatics (AREA)
- Computing Systems (AREA)
- Biomedical Technology (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019208770.1A DE102019208770A1 (de) | 2019-06-17 | 2019-06-17 | Verfahren und Vorrichtung für ein Schienenfahrzeug |
PCT/EP2020/064637 WO2020254076A1 (de) | 2019-06-17 | 2020-05-27 | Verfahren und eine vorrichtung zum betreiben eines videoüberwachungssystems für ein schienenfahrzeug |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3969350A1 true EP3969350A1 (de) | 2022-03-23 |
Family
ID=71094271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20732751.1A Pending EP3969350A1 (de) | 2019-06-17 | 2020-05-27 | Verfahren und eine vorrichtung zum betreiben eines videoüberwachungssystems für ein schienenfahrzeug |
Country Status (4)
Country | Link |
---|---|
US (1) | US12100222B2 (de) |
EP (1) | EP3969350A1 (de) |
DE (1) | DE102019208770A1 (de) |
WO (1) | WO2020254076A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11854309B2 (en) * | 2021-10-30 | 2023-12-26 | Cattron North America, Inc. | Systems and methods for remotely controlling locomotives with gestures |
Family Cites Families (36)
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US5978718A (en) * | 1997-07-22 | 1999-11-02 | Westinghouse Air Brake Company | Rail vision system |
US6088635A (en) * | 1998-09-28 | 2000-07-11 | Roadtrac, Llc | Railroad vehicle accident video recorder |
US6532038B1 (en) * | 1999-08-16 | 2003-03-11 | Joseph Edward Haring | Rail crossing video recorder and automated gate inspection |
GB0011797D0 (en) * | 2000-05-16 | 2000-07-05 | Yeoman Group Plc | Improved vehicle routeing |
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US20030222981A1 (en) * | 2002-06-04 | 2003-12-04 | Kisak Jeffrey James | Locomotive wireless video recorder and recording system |
US7030753B2 (en) * | 2003-10-24 | 2006-04-18 | Hentz Charles L | Information and security audio and video transmission reception system |
US20220063689A1 (en) * | 2004-11-10 | 2022-03-03 | Ge Global Sourcing Llc | Vehicle control system and method |
EP1667374B1 (de) * | 2004-12-03 | 2011-09-21 | Sony Corporation | Vorrichtungsverbindungsstelle, Vorrichtungssteuerungssystem und Verfahren zum Steuern eines Vorrichtungssteuerungssystem |
EP2328131B1 (de) * | 2005-03-25 | 2012-10-10 | Sensormatic Electronics LLC | Intelligente Kameraauswahl und Objektverfolgung |
JP4757256B2 (ja) * | 2005-07-12 | 2011-08-24 | 三菱電機株式会社 | 列車搭載映像情報配信制御表示システム |
US20080309762A1 (en) * | 2007-06-12 | 2008-12-18 | Richie Howard | In-vehicle mobile digital video surveillance recorder system with GPS visual mapping and navigation |
WO2009094591A2 (en) * | 2008-01-24 | 2009-07-30 | Micropower Appliance | Video delivery systems using wireless cameras |
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WO2009157227A1 (ja) * | 2008-06-23 | 2009-12-30 | 三菱電機株式会社 | 列車内監視システム |
JP4603603B2 (ja) * | 2008-07-24 | 2010-12-22 | 株式会社日立国際電気 | 録画転送装置 |
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JP2012085158A (ja) * | 2010-10-13 | 2012-04-26 | Hitachi Kokusai Electric Inc | 列車内監視システム |
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DE102011113340B4 (de) * | 2011-09-15 | 2016-04-21 | Rail & Road Protec GmbH | Schienenfahrzeug mit einem Videoüberwachungssystem |
JP6058898B2 (ja) * | 2012-02-22 | 2017-01-11 | 株式会社日立国際電気 | 無線通信装置、無線通信方法、及び無線通信システム |
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RU2013149953A (ru) * | 2013-11-08 | 2015-05-20 | Общество с ограниченной ответственностью "Радио Гигабит" | Система сбора и передачи данных от транспортного средства |
WO2015145736A1 (ja) * | 2014-03-28 | 2015-10-01 | 株式会社日立国際電気 | モニタリングシステム及びモニタリング方法 |
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-
2019
- 2019-06-17 DE DE102019208770.1A patent/DE102019208770A1/de active Pending
-
2020
- 2020-05-27 US US17/620,244 patent/US12100222B2/en active Active
- 2020-05-27 EP EP20732751.1A patent/EP3969350A1/de active Pending
- 2020-05-27 WO PCT/EP2020/064637 patent/WO2020254076A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
US12100222B2 (en) | 2024-09-24 |
DE102019208770A1 (de) | 2020-12-17 |
US20220366698A1 (en) | 2022-11-17 |
WO2020254076A1 (de) | 2020-12-24 |
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