EP0383902A1 - Commande de vehicule a distance - Google Patents

Commande de vehicule a distance

Info

Publication number
EP0383902A1
EP0383902A1 EP89910132A EP89910132A EP0383902A1 EP 0383902 A1 EP0383902 A1 EP 0383902A1 EP 89910132 A EP89910132 A EP 89910132A EP 89910132 A EP89910132 A EP 89910132A EP 0383902 A1 EP0383902 A1 EP 0383902A1
Authority
EP
European Patent Office
Prior art keywords
vehicle
video
control system
information
receiver
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Withdrawn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
EP89910132A
Other languages
German (de)
English (en)
Inventor
Rodney John Blissett
Christopher George Harris
Debra Charnley
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.)
Plessey Overseas Ltd
Original Assignee
Plessey Overseas Ltd
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 Plessey Overseas Ltd filed Critical Plessey Overseas Ltd
Publication of EP0383902A1 publication Critical patent/EP0383902A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
    • G05D1/0011—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot associated with a remote control arrangement
    • G05D1/0038—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot associated with a remote control arrangement by providing the operator with simple or augmented images from one or more cameras located onboard the vehicle, e.g. tele-operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/002—Special television systems not provided for by H04N7/007 - H04N7/18
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding

Definitions

  • each image is broken down by an information processing stage into 'image tokens'.
  • These tokens are representative of the positions of comer and edge features present in a given video picture frame and some description of the identification of these features is given in our copending patent application No. 881123 entitled 'Digital Data Processing'.

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Selective Calling Equipment (AREA)

Abstract

Le système de commande de véhicule à distance décrit comprend un véhicule commandé à distance (1) qui transporte une caméra de télévision (4), la caméra (4) et le véhicule (1) étant reliés par une liaison radio (6) à une station de base séparée (2) équipée d'un récepteur radio (3), dans lequel l'image vidéo assurant la transmission est divisée en groupes de données séparés, dont une partie présente de courtes variations de l'échelle de temps et dont l'autre présente de longues variations de l'échelle de temps, les deux groupes de données étant transmis à des vitesses de blocs images vidéo différentes, ainsi qu'un organe placé dans le récepteur et servant à combiner les deux transmissions pour fournir une image composite sur un écran vidéo dudit récepteur (3). Un tel système permet d'assurer une bonne commande du véhicule sans qu'il soit nécessaire de recourir à une liaison radio à grande largeur de bande.
EP89910132A 1988-08-27 1989-08-25 Commande de vehicule a distance Withdrawn EP0383902A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8820417 1988-08-27
GB8820417A GB2222338B (en) 1988-08-27 1988-08-27 Remote operated vehicle control

Publications (1)

Publication Number Publication Date
EP0383902A1 true EP0383902A1 (fr) 1990-08-29

Family

ID=10642854

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89910132A Withdrawn EP0383902A1 (fr) 1988-08-27 1989-08-25 Commande de vehicule a distance

Country Status (4)

Country Link
EP (1) EP0383902A1 (fr)
JP (1) JPH03501903A (fr)
GB (1) GB2222338B (fr)
WO (1) WO1990002370A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1249907B (it) * 1991-06-11 1995-03-30 Sistema di telesorveglianza a scansione lenta utilizzante il sistema di comunicazione radiomobile cellulare.
GB2258114B (en) * 1991-07-26 1995-05-17 Rachel Mary Turner A remote baby monitoring system
WO1994000951A1 (fr) * 1992-06-29 1994-01-06 British Telecommunications Public Limited Company Codage et decodage de signaux video
FR2700213B1 (fr) * 1993-01-05 1995-03-24 Sfim Ensemble de guidage.
FR2725102B1 (fr) * 1994-09-27 1996-12-13 M5 Soc Procede de video-commande a distance d'engins en particulier de vehicules, et dispositif de mise en oeuvre
FR2743162B1 (fr) * 1995-12-27 1998-05-07 Dassault Electronique Dispositif de commande pour la securisation d'un vehicule rapide, notamment guide par un operateur embarque ou non dans ledit vehicule
SE512171C2 (sv) * 1997-07-02 2000-02-07 Forskarpatent I Linkoeping Ab Videoöverföring
GB2382708B (en) 2001-11-21 2006-03-15 Roke Manor Research Detection of foreign objects on surfaces
EP2663916A1 (fr) 2011-01-14 2013-11-20 BAE Systems Plc. Système de transfert de données et procédé associé

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2519241A1 (de) * 1975-04-30 1976-11-18 Ver Flugtechnische Werke Anordnung zur verarbeitung von bildinformationen
FR2461405A1 (fr) * 1979-07-09 1981-01-30 Temime Jean Pierre Systeme de codage et de decodage d'un signal visiophonique numerique
DE3018329C2 (de) * 1980-05-10 1982-09-09 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Verfahren zur Übertragung und Wiedergabe von Videoszenen, insbesondere Luftbildszenen, mit reduzierter Bildfolgefrequenz
US4405943A (en) * 1981-08-19 1983-09-20 Harris Corporation Low bandwidth closed loop imagery control and communication system for remotely piloted vehicle
US4513317A (en) * 1982-09-28 1985-04-23 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Retinally stabilized differential resolution television display
EP0123616B1 (fr) * 1983-04-20 1987-03-04 Nippon Telegraph And Telephone Corporation Procédé et dispositif de codage de trame à trame
CA1277416C (fr) * 1984-08-13 1990-12-04 Akihiro Furukawa Appareil de codage predictif inter-trame pour signaux video
JPS61267476A (ja) * 1985-05-22 1986-11-27 Nec Corp 監視システム
JPS6335094A (ja) * 1986-07-30 1988-02-15 Nec Corp 動画像信号符号化方式

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9002370A1 *

Also Published As

Publication number Publication date
GB8820417D0 (en) 1989-03-30
GB2222338B (en) 1992-11-04
JPH03501903A (ja) 1991-04-25
GB2222338A (en) 1990-02-28
WO1990002370A1 (fr) 1990-03-08

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Legal Events

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