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FR2496302A1 - Visual tester for automatic traffic controller - uses video camera monitoring traffic flow and second camera monitoring controller display to give mixed video image - Google Patents

Visual tester for automatic traffic controller - uses video camera monitoring traffic flow and second camera monitoring controller display to give mixed video image
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Publication number
FR2496302A1
FR2496302A1FR8026261AFR8026261AFR2496302A1FR 2496302 A1FR2496302 A1FR 2496302A1FR 8026261 AFR8026261 AFR 8026261AFR 8026261 AFR8026261 AFR 8026261AFR 2496302 A1FR2496302 A1FR 2496302A1
Authority
FR
France
Prior art keywords
traffic
camera monitoring
controller
automatic
display
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
Application number
FR8026261A
Other languages
French (fr)
Inventor
Jean Maigret
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.)
TRANSPORTS ROUTE ING
Original Assignee
TRANSPORTS ROUTE ING
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 TRANSPORTS ROUTE INGfiledCriticalTRANSPORTS ROUTE ING
Priority to FR8026261ApriorityCriticalpatent/FR2496302A1/en
Publication of FR2496302A1publicationCriticalpatent/FR2496302A1/en
Pendinglegal-statusCriticalCurrent

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Abstract

The verification of the operation of an automatic traffic controller is provided by use of a television camera to monitor the traffic flow and a second camera to monitor the outputs of automatic controller. The two video signals can then be mixed for simultaneous display and recording on a video recorder. The first camera is mounted over the section of roadway where the automatic controller is operative, and its output is connected to the mixer. The second camera views the display of the automatic controller, and supplies themixer. The visual display screen has the automatic controller display superposed on the view of the roadway. If review is required the video tape can be replayed, in slow motion or by single frames if required.

Description

Translated fromFrench

La présente invention concerne un procédé de vérification de la fiabilité des
éléments d'un systeme de contrôle automatique du trafic sur voie de circulation
routiere a l'aide de mairies de télévision fonctionnant en circuit ferme.
The present invention relates to a method for verifying the reliability of
elements of an automatic traffic control system on taxiway
road using television town halls operating in closed circuit.

c/ Le procédé traditionnel utilise pour la mise au point et le contrôle de systemes automatiques de comptage du trafic str les voies de circulation rou tière consiste à placer sur le site un observateur, afin de recueillir des renseignements sur le fonctionnement du système. L'observateur effectue un contta- ge manuel du trafic et s'assure pérodiquement que le ccrXptage manuel est en concordance avec les resultats donne-s par le système automatique. c / The traditional process used for the development and control of automatic traffic counting systems on road traffic lanes consists in placing an observer on the site, in order to collect information on the functioning of the system. The observer performs a manual traffic count and periodically ensures that the manual counting is in accordance with the results given by the automatic system.

La position de l'observateur doit être definie de façon à permettre la
vue sur la totalité du trafic ainsi que la lecture des resultats donnes par le
système automatique. Dans le cas où le système est déplace par rapport au tra
fic, l'observation simultanee est rendue impossible.
The position of the observer must be defined so as to allow the
view of all traffic as well as reading the results given by the
automatic system. In case the system is moved relative to the tra
fic, simultaneous observation is made impossible.

dl L'invention proposee pellet de remedier aux inconvénients de la méthode traditionnelle. L'observation des errements et caracteristiques du trafic routier avec les resultats donnes par le système (affichage du résultat d'un compteur de trafic par exemple) est rendue possible par la visualitation sur une seule image. L'image ainsi obtenue est mémorisée afin d'etre analysee en temps differe.dl The invention proposes pellet to remedy the drawbacks of the traditional method. The observation of road traffic errors and characteristics with the results given by the system (display of the result of a traffic counter for example) is made possible by visualization on a single image. The image thus obtained is memorized in order to be analyzed in different time.

Le procede permet le regroupement des evènements se produisant en plusieurs lieux sur. une image unique. Cette image est composee de plusieurs images synchrones et juxtaposees. The process allows the grouping of events occurring in several places on. a unique image. This image is composed of several synchronous and juxtaposed images.

te procede permet de memoriser l'image afin d'effectuer une analyse detaillee des evènements par repetition de l'image, par ralentissement de la sequence observee et par l'arrêt de l'iwage. The process allows you to memorize the image in order to perform a detailed analysis of events by repetition of the image, by slowing down the observed sequence and by stopping the iwage.

Le procede permet de declencher la mémorisation des periodes d'observation à l'aide d'une base de trips. The method makes it possible to trigger the memorization of the observation periods using a base of trips.

Le procede facilite ainsi les operations de mise au point du système, a el maintenance du système, ainsi que le revele-des performances
Le procede propose, objet de l'invention, met en oeuvre lee materiels suivants :
une camera de television 1 destinee a visualiser l'ensemble. du trafic au ni
veau du point routier étudié., une camera de télévision 2 destinée à visualiser les etats et les résultats
donnés par le système automatique.Les états et les resultats du système sont
visualisés sous la forme de voyant lumineux, d'afficheurs numériques, cadran
et aiguille, oscilloscope, un dispositif 3 permettant l'affichage simultahe et Juxtaposé sur un écran
vidéo 4 des images fournies par les caméras 1 et 2,
un écran vidéo 4 restituant les images données par les caneras 5 et 2
travers le dispositif 3, rendant ainsi possible l'observation sImultanée du
trafic, des états et des résultats donnés par un système automatique.
The process thus facilitates the operations of debugging the system, the maintenance of the system, as well as the revelation of performance.
The proposed method, object of the invention, implements the following materials:
a television camera 1 intended to visualize the whole. traffic at ni
calf of the road point studied., a television camera 2 intended to visualize the states and the results
given by the automatic system. The states and results of the system are
visualized in the form of indicator light, digital displays, dial
and needle, oscilloscope, a device 3 allowing simultaneous display and juxtaposed on a screen
video 4 of the images supplied by cameras 1 and 2,
a video screen 4 reproducing the images given by caneras 5 and 2
through device 3, thus making simultaneous observation of the
traffic, states and results given by an automatic system.

un magnétoscope 5 permettant l'enregistrement des Images -a?tees par les
caméras travers le dispositif 3. Ce magnétoscope permet la lecture ae la
bande en temps différé sur un écran vidéo permettant l'analyse fine de l'ima
ge par relectures successives de la bande, par l'utilisation du ralenti de
l'image et par I'arrêt de l'image.
a video recorder 5 allowing the recording of the images taken by the
cameras through device 3. This video recorder allows playback
tape in deferred time on a video screen allowing the fine analysis of the ima
age by successive re-readings of the tape, by the use of idle
the image and by stopping the image.

f/ a mise en oeuvre du procédé permet d'observer, d'une part, un trafic au ni
veau de boucles de comptage électromécaniques et, d'autre part, le résultat
d'un compteur électromécanique, le voyant du détecteur, le temps de présence
des véhicules sur les boucles.
f / a implementation of the method makes it possible to observe, on the one hand, traffic at ni
electromechanical counting loop calf and, on the other hand, the result
an electromechanical counter, the detector light, the presence time
vehicles on the loops.

Un observateur regarde le passage d'un véhicule au niveau de la boucle et s assure simultanément du résultat du compteur ; en cas d'hésitation de l'ob- servateur sur un comptage, la bande magnétique est rebobinée et la séquence relue.An observer watches the passage of a vehicle at the level of the loop and simultaneously checks the result of the counter; if the observer hesitates on a count, the magnetic strip is rewound and the sequence re-read.

Dans le cas où le nombre de véhicules est élevé au niveau des boucles de comptage et ne laisse pas le temps matériel à l'observateur d'effectuer un comptage la bande magnétique est relue à vitesse lente, afin de vérifier le résultat du compteur.In the case where the number of vehicles is high at the counting loops and does not allow material time for the observer to count, the magnetic strip is read at slow speed, in order to check the result of the counter.

L'enregistrement d'un commentaIre peut apporter, éventuellement, des précisions sur les conditions de mesure.The recording of a comment can possibly provide details on the measurement conditions.

D'autres applications particulièrement intéressantes sont possIbles dans le domaine routier : mesure d'un trafic dans un carrefour. mesure du taux d'occupation, la surveillance de dispositifs de détermination automatique de catégorie sur ces gares de péage autoroutier.Other particularly interesting applications are possible in the road sector: measurement of traffic at a crossroads. measurement of the occupancy rate, monitoring of automatic category determination devices at these motorway toll stations.

Le procédé permet la mise au point du système automatique et une interprétation des résultats donnés par l'automatisme avec le trafic lul-neme.The method allows the development of the automatic system and an interpretation of the results given by the automation with lul-neme traffic.

Claims (3)

Translated fromFrench
REVENDICATION S CLAIMS S pés sur une même image. weighed on the same image. risé par le fait que le trafic et les éléments de l'automatisme sont regrou laughed at by the fact that traffic and the elements of automation are regrou à l'aide de matériels de télévision fonctionnant en circuit fermé, caracté using closed circuit television equipment, character sultats fournis par un système de contrôle automatique de trafic routier results provided by an automatic traffic control system 1.-Procédé permettant de vérifier la fiabilité de l'interprétation des ré 1.-Method for verifying the reliability of the interpretation of the re trafic que des éléments fournis par le système automatique. traffic as items supplied by the automatic system. sur image afin d'analyser des situations complexes aussi bien au niveau du on image in order to analyze complex situations both at the level of possibilite de relectures successives, l'utilisation du ralenti et l'arrêt possibility of successive readings, the use of idling and stopping sont enregistrées et permettent un dépouillement-en temps différé avec la are recorded and allow deferred-time counting with the 2.-Dispositif'selon la revendication 1, caractérisé par le fait que les images 2. Device according to claim 1, characterized in that the images3.-Dispositif selon la revendication 1, caractérisé par le fait que la bande3.- Device according to claim 1, characterized in that the strip enregistrée est un document contractuel. registered is a contractual document.
FR8026261A1980-12-111980-12-11Visual tester for automatic traffic controller - uses video camera monitoring traffic flow and second camera monitoring controller display to give mixed video imagePendingFR2496302A1 (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
FR8026261AFR2496302A1 (en)1980-12-111980-12-11Visual tester for automatic traffic controller - uses video camera monitoring traffic flow and second camera monitoring controller display to give mixed video image

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
FR8026261AFR2496302A1 (en)1980-12-111980-12-11Visual tester for automatic traffic controller - uses video camera monitoring traffic flow and second camera monitoring controller display to give mixed video image

Publications (1)

Publication NumberPublication Date
FR2496302A1true FR2496302A1 (en)1982-06-18

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ID=9248929

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FR8026261APendingFR2496302A1 (en)1980-12-111980-12-11Visual tester for automatic traffic controller - uses video camera monitoring traffic flow and second camera monitoring controller display to give mixed video image

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FR (1)FR2496302A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
EP0479698A1 (en)*1990-10-051992-04-08Francis GuillotDetection device for traffic anomalies integrated in a cabinet in the field
EP0593979A1 (en)*1992-10-201994-04-27Daimler-Benz Aerospace AktiengesellschaftMoving images recording device for a red-light monitoring system

Citations (3)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
DE2158732A1 (en)*1971-08-031973-07-19Burger ADDITIONAL DEVICES FOR DETECTING TIGHTLY CLOSED VEHICLES
FR2208152A1 (en)*1972-11-281974-06-21France Etat
FR2328198A1 (en)*1975-10-161977-05-13Olesen Lykke METHOD AND DEVICE FOR MONITORING THE SPEED OF AN OBJECT

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
DE2158732A1 (en)*1971-08-031973-07-19Burger ADDITIONAL DEVICES FOR DETECTING TIGHTLY CLOSED VEHICLES
FR2208152A1 (en)*1972-11-281974-06-21France Etat
FR2328198A1 (en)*1975-10-161977-05-13Olesen Lykke METHOD AND DEVICE FOR MONITORING THE SPEED OF AN OBJECT

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/71*

Cited By (3)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
EP0479698A1 (en)*1990-10-051992-04-08Francis GuillotDetection device for traffic anomalies integrated in a cabinet in the field
FR2667710A1 (en)*1990-10-051992-04-10Guillot Francis DEVICE FOR DETECTING CIRCULATION INTEGRATED ANOMALIES ON SITE IN A CABINET.
EP0593979A1 (en)*1992-10-201994-04-27Daimler-Benz Aerospace AktiengesellschaftMoving images recording device for a red-light monitoring system

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