EP0479698A1 - In einem Schrank auf der Baustelle integrierte Detektionsvorrichtung für Verkehrsanomalien - Google Patents

In einem Schrank auf der Baustelle integrierte Detektionsvorrichtung für Verkehrsanomalien Download PDF

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Publication number
EP0479698A1
EP0479698A1 EP91480093A EP91480093A EP0479698A1 EP 0479698 A1 EP0479698 A1 EP 0479698A1 EP 91480093 A EP91480093 A EP 91480093A EP 91480093 A EP91480093 A EP 91480093A EP 0479698 A1 EP0479698 A1 EP 0479698A1
Authority
EP
European Patent Office
Prior art keywords
card
traffic
anomalies
management station
central
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.)
Withdrawn
Application number
EP91480093A
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English (en)
French (fr)
Inventor
Francis Guillot
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0479698A1 publication Critical patent/EP0479698A1/de
Withdrawn legal-status Critical Current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
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors

Definitions

  • the subject of the invention is a device for detecting and pre-processing traffic anomalies integrated on site, for example in a traffic light counting cabinet, said device acts as an information and image filter for the central traffic management unit with which it is linked.
  • the device comprises m control stations, each of which comprises, put in series, a computer, an information distribution block connected to a program block, to a dispatching console and to a information display block, a link block, as well as a synchronization block connected to the information distribution block and to the link block, and in addition the link block of each control station is One of these control unit link blocks, chosen as initial, is connected by n + 1 link lines and by n + 2 link lines to n two connection blocks respectively, which belong to the control stations closest to the initial control station.
  • FR-A-2.379.872 "Device for coordinating traffic control lights, of the type comprising vehicle detectors, bodies ensuring the switching of intersection lights according to a periodic cycle corresponding to a traffic light plan, imposed the exterior, and a logic element drawing up said plans as a function of the information collected by said detectors, said plans being transmitted to said switching members, characterized in that at least some of said detectors, alone or associated, provide representative quantities on the one hand vehicle throughput, on the other hand the occupancy rate to the right of the detector. "
  • FR-A-2.598.240 The method and the device making it possible to establish a plurality of image configurations of the crossroads as a function of its intrinsic and extrinsic parameters.
  • the intrinsic parameters consist of a state or order variable phase of each traffic light and the extrinsic parameters consist of parameters relating to traffic conditions, with each traffic light at the intersection is associated with at least one safety transition time parameter, compared with at least one traffic light of the different order. A time sequence of transition from one image configuration to another image configuration is thus calculated.
  • FR-A-2.304.972 "The invention applies to the regulation of road traffic. It relates to a device, adaptable to signaling facilities at intersections. This device comprises means, actuated by radio-electric signals from transmitters mounted on priority vehicles, to cause or maintain the lighting of the green light for a clear road at crossroads, when said priority vehicles are present at a certain distance upstream from said crossroads. "
  • FR-A-2.511.794 "The information from the beacons, the display panel, the device acting on the green time, the low beam controller are connected by lines respectively to the central station by the lines PC1 and PC2 , these lines are connected to an interface which acts as a collector of information for all the lines of the network, sorter after preprocessing and transmitter to the computer or in the opposite direction when the computer gives an order to the low beam controller, said interface selects the line or lines concerned and transmits this order to them.
  • the invention applies to the operation of public transport.
  • the invention relates to a method of comparison between two images making it possible to keep only the differential information thereof.
  • An image is analyzed against a previously stored image. If this image reveals differences by compared to the memorized one; the latter will be updated in its modified parts, otherwise the memorized image will remain unchanged.
  • the cycle begins again with other images compared to the memory. In the case of a transmission, the initial memorized image will be retransmitted in full, then only the transmitted variations, resulting from the comparison will allow the updating of this image constituted in the receiver. This process applies more particularly to the recording of video sequences, to the transmission of video image and detecting variations in a shot. "
  • the device according to the invention has many advantages. Thus, it acts as a filter by treating local problems below a certain threshold, it does not encumber information with the central unit. It allows a profitability of the traffic on the lines by using these to "go up" the information towards the central unit when these are not used. Only the useful images are transmitted to the operator's monitoring station.
  • the on-site device for detecting traffic anomalies is of the type generally using information relating to the operation of a traffic intersection, characterized in that it comprises, in this same cabinet, a logical information processing unit, permanently connected with a traffic anomaly detection card acting as a central computer for traffic light management and local pre-processing acting as a filter for useful information to the central management station.
  • Figure 1 is a schematic view showing the arrangement of the various elements of the signaling cabinet.
  • Figure 2 is a schematic view showing the arrangement of the various elements of the central management station.
  • a set of cameras 21, 22, disposed on the channels concerned (I, II, III) sends information to the card 9, as a function of the thresholds and of the measurements carried out by permanent dialogue with the processing unit 8, said card detection of traffic anomalies 9 controls the appropriate camera 21 or 22.
  • the device can use all the technical characteristics of the "LASSY” process, registered trademark, described in patent FR-A-2,513,056.
  • the traffic anomaly detection card 9 informs, through the established communication protocol, of the need to transmit at the appropriate time, to the management station 15 , the image of the channel in detection of anomalies thanks to the transmission line 16 available.
  • a device for analyzing incoming and outgoing communications 23 and the management computer 31 for communications with the crossroads 27, 28, 29, 30, will detect by another card 32, card 32 for detecting traffic anomalies corresponding to card 9, the request for transmitting images of the device according to the invention having requested the opening of this transmission after pre-filtering by card 9, integrated in cabinet 1 which is on site.
  • the communication management computer 31 of the central management station 15 will receive the image, as well as the associated count values.
  • the decoding of the images is ensured by a card 24 including the image restitution device.
  • the reconstructed image output 25 can then be displayed on the monitor 26.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
EP91480093A 1990-10-05 1991-06-19 In einem Schrank auf der Baustelle integrierte Detektionsvorrichtung für Verkehrsanomalien Withdrawn EP0479698A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9012525 1990-10-05
FR9012525A FR2667710B1 (fr) 1990-10-05 1990-10-05 Dispositif de detection d'anomalies de circulation integree sur site dans une armoire.

Publications (1)

Publication Number Publication Date
EP0479698A1 true EP0479698A1 (de) 1992-04-08

Family

ID=9401112

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91480093A Withdrawn EP0479698A1 (de) 1990-10-05 1991-06-19 In einem Schrank auf der Baustelle integrierte Detektionsvorrichtung für Verkehrsanomalien

Country Status (2)

Country Link
EP (1) EP0479698A1 (de)
FR (1) FR2667710B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998053437A1 (fr) * 1997-05-20 1998-11-26 Hoummady Bouchaib Procede et dispositif pour la gestion de la circulation routiere utilisant la camera video comme source d'information
US6177885B1 (en) 1998-11-03 2001-01-23 Esco Electronics, Inc. System and method for detecting traffic anomalies
ES2169657A1 (es) * 2000-04-14 2002-07-01 Univ De Valencia Inst De Robot Sistema de deteccion automatica de incidentes de trafico en entornos urbanos.
WO2022050830A1 (fr) 2020-09-07 2022-03-10 Vetrasoft Feux tricolores autonomes délibératifs

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2082432A5 (de) * 1970-03-16 1971-12-10 Evr
FR2496302A1 (fr) * 1980-12-11 1982-06-18 Transports Route Ing Procede permettant de verifier la fiabilite des elements fournis par un systeme de controle automatique de trafic routier a l'aide de materiels de television fonctionnant en circuit ferme
EP0396432A2 (de) * 1989-05-05 1990-11-07 Golden River Limited Überwachungsvorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2082432A5 (de) * 1970-03-16 1971-12-10 Evr
FR2496302A1 (fr) * 1980-12-11 1982-06-18 Transports Route Ing Procede permettant de verifier la fiabilite des elements fournis par un systeme de controle automatique de trafic routier a l'aide de materiels de television fonctionnant en circuit ferme
EP0396432A2 (de) * 1989-05-05 1990-11-07 Golden River Limited Überwachungsvorrichtung

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN. vol. 18, no. 7, Décembre 1975, NEW YORK US K.E.POWELL: 'AUTOMATED VIDEO MONITORING SYSTEM' *
PHILIPS TELECOMMUNICATION REVIEW vol. 32, no. 4, Décembre 1974, HILVERSUM pages 246 - 258; D.W.SINGLETON ET AL.: 'TUNNEL AND MOTORWAY SUPERVISION SYSTEM RYERS-BRUSSELS' *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998053437A1 (fr) * 1997-05-20 1998-11-26 Hoummady Bouchaib Procede et dispositif pour la gestion de la circulation routiere utilisant la camera video comme source d'information
FR2763726A1 (fr) * 1997-05-20 1998-11-27 Bouchaib Hoummadi Procede de gestion de la circulation routiere par camera video
US6177885B1 (en) 1998-11-03 2001-01-23 Esco Electronics, Inc. System and method for detecting traffic anomalies
ES2169657A1 (es) * 2000-04-14 2002-07-01 Univ De Valencia Inst De Robot Sistema de deteccion automatica de incidentes de trafico en entornos urbanos.
WO2022050830A1 (fr) 2020-09-07 2022-03-10 Vetrasoft Feux tricolores autonomes délibératifs

Also Published As

Publication number Publication date
FR2667710A1 (fr) 1992-04-10
FR2667710B1 (fr) 1994-09-02

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