EP1143395A2 - Un dispositif de surveillance pour surveiller le trafic au voisinage d'un panneau de signalisation pour circulation alternée - Google Patents

Un dispositif de surveillance pour surveiller le trafic au voisinage d'un panneau de signalisation pour circulation alternée Download PDF

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Publication number
EP1143395A2
EP1143395A2 EP01106537A EP01106537A EP1143395A2 EP 1143395 A2 EP1143395 A2 EP 1143395A2 EP 01106537 A EP01106537 A EP 01106537A EP 01106537 A EP01106537 A EP 01106537A EP 1143395 A2 EP1143395 A2 EP 1143395A2
Authority
EP
European Patent Office
Prior art keywords
monitoring system
variable message
traffic
message sign
sign
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.)
Granted
Application number
EP01106537A
Other languages
German (de)
English (en)
Other versions
EP1143395A3 (fr
EP1143395B1 (fr
Inventor
Andreas Behrens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robot Visual Systems GmbH
Original Assignee
Robot Foto and Electronic GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robot Foto and Electronic GmbH and Co KG filed Critical Robot Foto and Electronic GmbH and Co KG
Publication of EP1143395A2 publication Critical patent/EP1143395A2/fr
Publication of EP1143395A3 publication Critical patent/EP1143395A3/fr
Application granted granted Critical
Publication of EP1143395B1 publication Critical patent/EP1143395B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/07—Controlling traffic signals
    • G08G1/08—Controlling traffic signals according to detected number or speed of vehicles

Definitions

  • the invention relates to a monitoring system for monitoring traffic in the Range of variable message signs where the parameter of the Monitoring system when changing the variable message signs accordingly is switchable.
  • Traffic signs should prescribe a certain behavior of road users, for example, a permissible maximum speed or a no overtaking.
  • Traffic monitoring systems are also known. These are Monitoring systems that ensure compliance with traffic rules, such as the Compliance with a prescribed maximum speed. Such Monitoring systems contain a measuring sensor that is based on the size to be monitored, e.g. the speed of the vehicle. The surveillance system becomes a "Parameter", here the permissible maximum speed, is specified. The one from that Measuring sensor measured speed of a monitored vehicle is with this permissible maximum speed compared. If the allowable Speed is exceeded, a camera will take a picture of the Vehicle made, which on this recording or in fixed assignment to this measured vehicle speed is registered. This recording then provides one Evidence of violation of traffic rules.
  • a measuring sensor that is based on the size to be monitored, e.g. the speed of the vehicle.
  • the surveillance system becomes a "Parameter”, here the permissible maximum speed, is specified. The one from that Measuring sensor measured speed of a monitored vehicle is with this permissible maximum speed compared. If the allowable Speed is exceeded, a camera will take a picture of the
  • the parameter specified in the monitoring system to the specification of the Variable message sign can be adjusted. For example, if the Variable message sign the speed indication "100" (km / h) is switched to "120", the parameter must also be set accordingly in the monitoring system "permissible maximum speed” can be switched from 100 km / h to 120 km / h.
  • the TLS control signal from the Traffic control system in addition to the variable message sign also on the Monitoring system switched on and causes the corresponding switchover of the parameter "permissible maximum speed".
  • An interface at the Traffic control system for transmission of the TLS signal to the Monitoring system may be provided. There must be a connection from this interface to the surveillance system. That is disadvantageous in Surveillance systems that are not permanently installed but only in flight temporarily used with a specific traffic control system.
  • the Monitoring system only works with a traffic monitoring system that according to the TLS protocol works. With other traffic control systems or The monitoring system cannot be used for variable message signs. With the parallel Control of traffic control and traffic monitoring system could also be controversial as to whether both systems actually have the same TLS signal the same permissible maximum speed were switched.
  • the invention is based on the object of a monitoring system at the beginning mentioned type so that no to control the monitoring system Intervention in the traffic control system is required.
  • the invention is further based on the object in a monitoring system provable to ensure that the surveillance system at only addresses a violation of a variable message sign that actually is also indicated on the variable message sign, for example the crossing the maximum speed shown on the variable message sign.
  • variable message sign observing video camera and image processing means for recognizing the respective Indication of the variable message sign, the switchover of the parameter of Monitoring system takes place in accordance with the information thus recognized.
  • the surveillance system is autonomous and can also be used in flight.
  • the control signal for switching the monitoring system to a new parameter, e.g. a new Top speed, is from the video image of the variable message sign itself generated. This ensures that this switchover is always reliable The information on the variable message sign is given.
  • Embodiments of the invention are the subject of the dependent claims.
  • the drawing is a block diagram and shows schematically a system for Traffic control with a variable message sign and an attachment to Traffic monitoring.
  • a traffic control system 10 controls a variable traffic sign 12, which here specifies a permissible maximum speed.
  • the variable message sign 12 is about a cable 14 driven by standardized control signals according to a TLS protocol.
  • a system 16 for traffic monitoring should violate the Variable bids indicated bids, so here the exceeding of the Determine and document the specified maximum speed.
  • the system 16 contains one on the speed of a monitored vehicle responsive measuring sensor 18 and a camera 20.
  • the camera is on the road directed and detects the monitored vehicle.
  • a control 22 still receives in descriptively a digital value that has a maximum speed limit reproduces. This permissible maximum speed is known with the Speed measured value of the measuring sensor 18 compared. If the allowable Maximum speed of the monitored vehicle is exceeded by the controller 22 triggered the camera 20.
  • the camera 20 takes a picture of the monitored vehicle. With this recording the measurement data in fixed assignment to the recording registered.
  • the system 16 for traffic monitoring also contains an observation unit 24 to observe the variable message sign 12.
  • This observation unit 24 is intended in accordance with the information actually displayed by the variable message sign, here "maximum speed 80", a digital value corresponding to this specification switch on the control 22.
  • the unit 24 contains a video camera 26.
  • the video camera is aimed at the variable message sign 12, as in the figure is indicated by the visual field 28.
  • the video camera 26 generates a video image of the Variable message sign 12.
  • This video picture is in a cycle of e.g. 1 sec. digitized as represented by block 30.
  • a computer 32 contains a program for Character recognition, e.g. an OCR software, which in the digitized video image Can recognize digits "080" and convert them into digital data.
  • This digital Data is transferred to a controller 22 by a controller 34 via a control line 36 activated, activate the system 16 and are called "permissible Maximum speed "compared with the measured speed value of the measuring sensor.
  • the digitized video images are used for a period of e.g. two minutes in stored in a memory 38. If a violation is found, the measurement data and the time of the measurement is passed via the control line 36 to the memory 38. To Every violation can then all video images of the variable message sign hold for a predetermined period of time before the measurement. So that's the Condition of the variable message sign 12 recorded for preservation of evidence. It can it can also be determined whether, for example, what would relieve the driver Variable message sign 12 immediately before the measurement its indication of approximately "100" changed to "080".
EP01106537A 2000-03-25 2001-03-15 Un dispositif de surveillance pour surveiller le trafic au voisinage d'un panneau de signalisation pour circulation alternée Expired - Lifetime EP1143395B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10014958A DE10014958C2 (de) 2000-03-25 2000-03-25 Überwachungsanlage zur Überwachung des Verkehrs im Bereich von Wechselverkehrszeichen
DE10014958 2000-03-25

Publications (3)

Publication Number Publication Date
EP1143395A2 true EP1143395A2 (fr) 2001-10-10
EP1143395A3 EP1143395A3 (fr) 2002-02-13
EP1143395B1 EP1143395B1 (fr) 2004-05-19

Family

ID=7636405

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01106537A Expired - Lifetime EP1143395B1 (fr) 2000-03-25 2001-03-15 Un dispositif de surveillance pour surveiller le trafic au voisinage d'un panneau de signalisation pour circulation alternée

Country Status (4)

Country Link
EP (1) EP1143395B1 (fr)
AT (1) ATE267434T1 (fr)
DE (2) DE10014958C2 (fr)
ES (1) ES2221873T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017092987A1 (fr) * 2015-12-03 2017-06-08 Jenoptik Robot Gmbh Procédé et dispositif de commande de surveillance de vitesse dans une zone de trafic, appareil de surveillance de trafic (ast) et système de surveillance de trafic à valeur de seuil de déclenchement fonction des conditions
WO2021008039A1 (fr) * 2019-07-17 2021-01-21 Zhejiang Dahua Technology Co., Ltd. Systèmes et procédés de surveillance d'objet

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007126874A2 (fr) * 2006-03-27 2007-11-08 Cognex Corporation Appareil de surveillance et de signalisation vidéo de la circulation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5231393A (en) * 1988-10-18 1993-07-27 P.A.T., Co. Mobile speed awareness device
DE4341891A1 (de) * 1993-12-08 1995-06-22 Ave Verkehrs Und Informationst Hochmobile Anlage zur Messung und/oder Beeinflussung des Verkehrsflusses auf Straßen für den Betrieb an wechselnden Einsatzorten
US6204778B1 (en) * 1998-05-15 2001-03-20 International Road Dynamics Inc. Truck traffic monitoring and warning systems and vehicle ramp advisory system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4225466C2 (de) * 1992-08-01 1995-08-31 Franz J Gebert Verfahren zur Verkehrsdatenerfassung sowie Einrichtung zur Übertragung von Geschwindigkeits-Wechselzeicheninformationen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5231393A (en) * 1988-10-18 1993-07-27 P.A.T., Co. Mobile speed awareness device
DE4341891A1 (de) * 1993-12-08 1995-06-22 Ave Verkehrs Und Informationst Hochmobile Anlage zur Messung und/oder Beeinflussung des Verkehrsflusses auf Straßen für den Betrieb an wechselnden Einsatzorten
US6204778B1 (en) * 1998-05-15 2001-03-20 International Road Dynamics Inc. Truck traffic monitoring and warning systems and vehicle ramp advisory system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017092987A1 (fr) * 2015-12-03 2017-06-08 Jenoptik Robot Gmbh Procédé et dispositif de commande de surveillance de vitesse dans une zone de trafic, appareil de surveillance de trafic (ast) et système de surveillance de trafic à valeur de seuil de déclenchement fonction des conditions
WO2021008039A1 (fr) * 2019-07-17 2021-01-21 Zhejiang Dahua Technology Co., Ltd. Systèmes et procédés de surveillance d'objet

Also Published As

Publication number Publication date
EP1143395A3 (fr) 2002-02-13
EP1143395B1 (fr) 2004-05-19
DE10014958C2 (de) 2003-08-28
DE50102308D1 (de) 2004-06-24
ES2221873T3 (es) 2005-01-16
ATE267434T1 (de) 2004-06-15
DE10014958A1 (de) 2001-10-04

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