DE707297T1 - Space monitoring device and vehicle with such a device - Google Patents

Space monitoring device and vehicle with such a device

Info

Publication number
DE707297T1
DE707297T1 DE1995402298 DE95402298T DE707297T1 DE 707297 T1 DE707297 T1 DE 707297T1 DE 1995402298 DE1995402298 DE 1995402298 DE 95402298 T DE95402298 T DE 95402298T DE 707297 T1 DE707297 T1 DE 707297T1
Authority
DE
Germany
Prior art keywords
video signal
data
monitoring device
data carrier
digital data
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
DE1995402298
Other languages
German (de)
Inventor
Gerard Leclercq
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.)
Faiveley Transport SA
Original Assignee
Faiveley Transport SA
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 Faiveley Transport SA filed Critical Faiveley Transport SA
Publication of DE707297T1 publication Critical patent/DE707297T1/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19665—Details related to the storage of video surveillance data
    • G08B13/19671—Addition of non-video data, i.e. metadata, to video stream
    • G08B13/19673—Addition of time stamp, i.e. time metadata, to video stream
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
    • G08B13/1961—Movement detection not involving frame subtraction, e.g. motion detection on the basis of luminance changes in the image
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19617—Surveillance camera constructional details
    • G08B13/19619—Details of casing
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19639—Details of the system layout
    • G08B13/19647—Systems specially adapted for intrusion detection in or around a vehicle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19665—Details related to the storage of video surveillance data
    • G08B13/19669—Event triggers storage or change of storage policy

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Library & Information Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Burglar Alarm Systems (AREA)
  • Closed-Circuit Television Systems (AREA)

Claims (14)

402 298.4 (0 707 297) 20.06.1996 F/mr FAIVELEY TRANSPORT 0717 196 (WP96/10) Ansprüche402 298.4 (0 707 297) 20.06.1996 F/mr FAIVELEY TRANSPORT 0717 196 (WP96/10) Claims 1. Verfahren zur Überwachung von Räumen, in denen sich eine oder mehrere Personen aufhalten, wie zum Beispiel für den Führerstand öffentlicher Verkehrsmittel, in welchen man während eines vorbestimmten Zeitraumes1. Methods for monitoring spaces in which one or more persons are present, such as the driver's cab of public transport, in which one can be present for a predetermined period of time. mindestens eine Videosignalgemischfolge von Bildern, die Ereignisse wiedergeben, die sich im Umfeld dieses Raumes oder in diesem abgespielt haben, aufzeichnet,records at least one composite video signal sequence of images depicting events that have occurred in or around this room, - die aufgezeichnete Videosignalgemischfolge als zugeordnete digitale Daten codiert,- encodes the recorded video signal composite sequence as associated digital data, - die codierten digitalen Daten auf einem bestimmten Datenträger speichert,- stores the encoded digital data on a specific data carrier, dadurch gekennzeichnet, daß man während des gesamten ÜberwachungsZeitraumes: characterized in that during the entire monitoring period: in kontinuierlicher Weise auf dem bestimmten gleichen Datenträger die codierten digitalen Daten speichert undcontinuously stores the encoded digital data on the same data carrier and - in einem ausgewählten Moment aufgrund eines Lokalisierungssignals die codierten digitalisierten Daten, die den aufgezeichneten Videosignalgemisch entsprechen, auf dem bestimmten Datenträger speichert, um von dem bestimmten Datenträger auf Anforderung und direkt eine Auswahl von Bildern- at a selected moment, based on a localisation signal, stores the coded digitised data corresponding to the recorded video signal composite on the specific data carrier in order to retrieve from the specific data carrier on request and directly a selection of images abrufen zu können, welche dem aufgezeichneten Videosignalgemisch entspricht.which corresponds to the recorded video signal mixture. 2. Verfahren gemäß Anspruch 1, dadurch gekennzeichnet, daß das Lokalisierungssignal das Datum und die Uhrzeit der Speicherung der codierten digitalisierten Daten enthält.2. Method according to claim 1, characterized in that the localization signal contains the date and time of storage of the coded digitized data. 3. Verfahren gemäß Ansprüchen 1 oder 2, dadurch gekennzeichnet, daß während der Codierung des Videosignalgemisches in Form von codierten digitalisierten Daten die letzteren komprimiert werden, um Speicherkapazität zu sparen.3. Method according to claims 1 or 2, characterized in that during the coding of the video signal mixture in the form of coded digitized data, the latter are compressed in order to save storage capacity. 4. Verfahren gemäß einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß man parallel zu der Codierung die Möglichkeit hat, eine Kontrolle des aufgezeichneten Videosignalgemisches durchzuführen, um Unregelmäßigkeiten wie eine Störung oder über- oder unterbelichtete Bilder festzustellen und die Speicherung der digitalen codierten Daten bei Feststellung von Unregelmäßigkeiten zu unterbrechen.4. Method according to one of claims 1 to 3, characterized in that parallel to the coding, it is possible to carry out a check of the recorded video signal mixture in order to detect irregularities such as interference or over- or under-exposed images and to interrupt the storage of the digitally encoded data if irregularities are detected. 5. Verfahren gemäß Anspruch 4, dadurch gekennzeichnet, daß man zur Feststellung einer Unregelmäßigkeit:5. A method according to claim 4, characterized in that to detect an irregularity: einen Spannungsmittelwert des Videosignalgemisches errechnet,calculates an average voltage value of the video signal mixture, - diesen errechneten Mittelwert mit zwei Schwellenwerten, das heißt einem oberen und einem unteren, vergleicht und- compares this calculated mean value with two threshold values, i.e. an upper and a lower one, and eine Unregelmäßigkeit feststellt, wenn der errechnete Mittelwert unter dem unteren Schwellenwert oder über dem oberen Schwellenwert liegt.detects an irregularity if the calculated mean is below the lower threshold or above the upper threshold. 6. Verfahren gemäß einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß man zur Speicherung der codierten digitalisierten Daten auf dem gleichen Datenträger für einen vorbestimmten Zeitraum eine geschlossene Speicherschleife bewirkt.6. Method according to one of claims 1 to 5, characterized in that a closed storage loop is effected for storing the coded digitized data on the same data carrier for a predetermined period of time. 7. Verfahren gemäß einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß man dem Videosignalgemisch ein entsprechendes Schallsignal zuordnet.7. Method according to one of claims 1 to 6, characterized in that a corresponding sound signal is assigned to the video signal mixture. 8. überwachungseinrichtung (1) für Räume, in denen sich eine oder mehrere Personen aufhalten, wie zum Beispiel den Führerstand öffentlicher Verkehrsmittel (2), zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 7, enthaltend:8. monitoring device (1) for rooms in which one or more persons are present, such as the driver's cab of public transport (2), for carrying out the method according to one of claims 1 to 7, containing: - Aufzeichnungsmittel (3), um mindestens eine Videosignalgemischfolge von Bildern aufzuzeichnen, welche die Ereignisse wiedergeben, die sich im Umfeld des Raumes oder in diesem abgespielt haben,- recording means (3) for recording at least one video signal composite sequence of images reproducing the events that have taken place in or around the room, - Codierungsmittel (C) zur Codierung der Videosignalgemischfolge, die als entsprechende digitale Daten aufgezeichnet worden sind,- coding means (C) for coding the composite video signal sequence recorded as corresponding digital data, Speichermittel (4) zum Speichern der codierten digitalen Daten auf einem bestimmten Datenträger,Storage means (4) for storing the encoded digital data on a specific data carrier, dadurch gekennzeichnet, daß ferner Aufzeichnungsmittel vorhanden sind, um zu gewünschten Zeitpunkten ein Lokalisierungssignal für die codierten digitalen Daten, die dem aufgezeichneten Videosignalgemisch entsprechen, aufzuzeichnen, um auf Wunsch in der Lage zu sein, auf dem bestimmten Datenträger eine Auswahl von Bildern, die dem aufgezeichneten Videosignalgemisch entsprechen, abrufen und auswerten zu können, wobei die Speichermittel (4) incharacterized in that recording means are also provided for recording a localization signal for the coded digital data corresponding to the recorded video signal mixture at desired times in order to be able to retrieve and evaluate a selection of images corresponding to the recorded video signal mixture on the specific data carrier if desired, the storage means (4) being in der Lage sein sollen, die codierten digitalen Daten in kontinuierlicher Weise auf dem bestimmten Datenträger zu speichern.should be able to store the encoded digital data in a continuous manner on the specific data carrier. 9. Überwachungseinrichtung (1) gemäß Anspruch 8, dadurch gekennzeichnet, daß die Codierungsmittel (C) eine Daten-Komprimierungsvorrichtung (17) zur Komprimierung der codierten digitalen Daten enthalten.9. Monitoring device (1) according to claim 8, characterized in that the coding means (C) contain a data compression device (17) for compressing the encoded digital data. 10. Überwachungseinrichtung (1) gemäß Anspruch 8 oder 9, dadurch gekennzeichnet, daß sie ferner parallel zu den Codierungsmitteln (C) Kontrollmittel (CR) für das aufgezeichnete Videosignalgemisch aufweisen, die ihrerseits Mittel zur Feststellung von Unregelmäßigkeiten (D), wie eine Störung (I) oder über- oder unterbelichtete Bilder, und Mittel (I) zur Unterbrechung der Speicherung der entsprechenden digitalen codierten Daten im Fall der Feststellung von Unregelmäßigkeiten aufweisen.10. Monitoring device (1) according to claim 8 or 9, characterized in that it further comprises, parallel to the coding means (C), control means (CR) for the recorded video signal mixture, which in turn comprise means for detecting irregularities (D), such as a disturbance (I) or over- or underexposed images, and means (I) for interrupting the storage of the corresponding digital coded data in the event of irregularities being detected. 11. Überwachungseinrichtung (1) gemäß Anspruch 10, dadurch gekennzeichnet, daß die Mittel zur Feststellung von Unregelmäßigkeiten (D) folgendes einschließen:11. Monitoring device (1) according to claim 10, characterized in that the means for detecting irregularities (D) include: Mittel zum Errechnen des mittleren Spannungswertes des Videosignalgemisches,Means for calculating the average voltage value of the video signal mixture, Mittel zum Vergleichen des errechneten Mittelwertes mit zwei oberen und unteren Schwellenwerten, in der Weise, daß eine Unregelmäßigkeit festgestellt wird, wenn der errechnete Mittelwert niedriger ist als der untere Schwellenwert oder wenn der errechnete Mittelwert höher ist als der obere Schwellenwert.Means for comparing the calculated mean value with two upper and lower threshold values, such that an irregularity is detected if the calculated mean value is lower than the lower threshold value or if the calculated mean value is higher than the upper threshold value. 12. überwachungseinrichtung (1) gemäß Anspruch 11, dadurch gekennzeichnet, daß sie eine Steuerung (14) einschließt, die die Einrichtung (1) so steuert, daß sichergestellt12. monitoring device (1) according to claim 11, characterized in that it includes a control (14) which controls the device (1) in such a way that it is ensured ist, daß sie pünktlich und kontinuierlich während einer Anzahl von vorgewählten oder unbegrenzten aufeinanderfolgenden Zeiträumen funktioniert.is that it operates punctually and continuously for a number of preselected or unlimited consecutive periods. 13. überwachungseinrichtung (1) gemäß einem der Ansprüche 8 bis 12, dadurch gekennzeichnet, daß sie einen Zerstörungsschutz und/oder einen Verbergungsschutz, bspw. ein gepanzertes Gehäuse (39) enthält, worin zumindest teilweise die Aufzeichnungsmittel (3), die Speichermittel (4) und besonders der Datenträger untergebracht sind.13. Monitoring device (1) according to one of claims 8 to 12, characterized in that it contains a protection against destruction and/or a protection against concealment, for example an armored housing (39) in which at least partially the recording means (3), the storage means (4) and in particular the data carrier are housed. 14. Öffentliches Transportfahrzeug, bspw. Omnibus, dadurch gekennzeichnet, daß es eine Einrichtung (1) gemäß einem der Ansprüche 8 bis 13 enthält und daß es ein Datennetz, z.B. wie Kabel und integrierte Schaltungen und/oder Audio/Video-Wiedergabeschnittstellen aufweist, wobei die Überwachungseinrichtung an das Netz und/oder der Wiedergabeschnittstelle angeschlossen ist, um verschiedene Informationen von anderen Stellen des Fahrzeugs aufzunehmen oder zu empfangen.14. Public transport vehicle, e.g. bus, characterized in that it contains a device (1) according to one of claims 8 to 13 and that it has a data network, e.g. such as cables and integrated circuits and/or audio/video playback interfaces, the monitoring device being connected to the network and/or the playback interface in order to record or receive various information from other locations of the vehicle.
DE1995402298 1994-10-14 1995-10-13 Space monitoring device and vehicle with such a device Pending DE707297T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9412298A FR2725818B1 (en) 1994-10-14 1994-10-14 DEVICE FOR MONITORING A SPACE, AND VEHICLE EQUIPPED WITH SUCH A DEVICE

Publications (1)

Publication Number Publication Date
DE707297T1 true DE707297T1 (en) 1996-11-28

Family

ID=9467875

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1995402298 Pending DE707297T1 (en) 1994-10-14 1995-10-13 Space monitoring device and vehicle with such a device

Country Status (4)

Country Link
EP (1) EP0707297A1 (en)
DE (1) DE707297T1 (en)
ES (1) ES2088855T1 (en)
FR (1) FR2725818B1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2753588B1 (en) * 1996-09-19 1998-12-04 Perri Christian METHOD AND DEVICE FOR MONITORING A MOBILE COCKPIT
DE29617749U1 (en) * 1996-10-12 1997-01-23 Schoenberger Armin Monitoring device
GB2330267B (en) * 1997-10-29 2000-04-12 West Cumbria Enterprises Limit Security system
JP3788677B2 (en) * 1997-11-14 2006-06-21 富士通株式会社 CONTINUOUS RECORDING SYSTEM AND METHOD, AND COMPUTER-READABLE RECORDING MEDIUM CONTAINING LONG TIME RECORDING PROGRAM
WO2006044476A2 (en) 2004-10-12 2006-04-27 Robert Vernon Vanman Method of and system for mobile surveillance and event recording
WO2009102477A1 (en) 2008-02-15 2009-08-20 Enforcement Video, Llc System and method for high-resolution storage of images
US8712362B2 (en) 2008-07-26 2014-04-29 Enforcement Video, Llc Method and system of extending battery life of a wireless microphone unit
US9861178B1 (en) 2014-10-23 2018-01-09 WatchGuard, Inc. Method and system of securing wearable equipment
US9660744B1 (en) 2015-01-13 2017-05-23 Enforcement Video, Llc Systems and methods for adaptive frequency synchronization
US9602761B1 (en) 2015-01-22 2017-03-21 Enforcement Video, Llc Systems and methods for intelligently recording a live media stream
US10250433B1 (en) 2016-03-25 2019-04-02 WatchGuard, Inc. Method and system for peer-to-peer operation of multiple recording devices
US10341605B1 (en) 2016-04-07 2019-07-02 WatchGuard, Inc. Systems and methods for multiple-resolution storage of media streams

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
GB264838A (en) 1926-01-19 1927-09-15 Staatliche Porzellan Manufaktu Improvements in or relating to suction filters
US4922339A (en) * 1988-03-31 1990-05-01 Stout Video Systems Means and method for visual surveillance and documentation
GB2250156B (en) * 1990-10-06 1994-04-06 Chubb Electronics Ltd Video surveillance system
GB2264838B (en) * 1992-02-21 1995-08-30 Samsung Electronics Co Ltd Video recording apparatus

Also Published As

Publication number Publication date
FR2725818A1 (en) 1996-04-19
FR2725818B1 (en) 1997-01-17
EP0707297A1 (en) 1996-04-17
ES2088855T1 (en) 1996-10-01

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