10 research outputs found

    Robust Lane Recognition Embedded in a Real-Time Driver Assistance System

    No full text
    We developed a fast and robust approach for automatic lane detection as part of a real-time driver assistance system. Two different algorithms to extract measurement points are used to detect not only marked but unmarked lane borders as well. Different road types as well as various traffic situations and illumination changes require great care on robustness and reliability. Obstacle information computed by another module in this system helps to increase robustness. The algorithm was extended to track two directly neighboured lanes. Additionally, the distribution of the measurement points is used to classify the marking line types. The system has been integrated into two experimental vehicles and tested with a large data set. It performed very well under different traffic situations and weather conditions

    Robuste Fahrspurverfolgung und Bewegungskompensation in einem videobasierten Echtzeitsystem

    No full text
    Es wird ein System zur robusten Fahrspurverfolgung und Objektdetektion für ein videobasiertes Fahrerassistenzsystem vorgestellt. Das System besteht aus Komponenten zur Detektion, Verfolgung und Klassifikation mehrerer markierter und unmarkierter Fahrspurbegrenzungen sowie aus Komponenten zur Objektdetektion. Eine besondere Herausforderung ist die Robustheit der Algorithmen unter variierenden Einsatzbedingungen, wie sie durch unterschiedliche Verkehrssituationen und Witterungseinflüsse gegeben sind. Robustheit gegen Variationen der Umgebungsbedingungen wurde zum einen durch den Einsatz einer Kamera mit hochdynamischem Sensorchip erreicht. Zum anderen wurden modulinterne Zuverslässigkeitstests durchgeführt. Die durch diese Maßnahmen erreichte Verfahrensrobustheit führte durch modulübergreifende Synergien zu einer weiteren Leistungssteigerung des Gesamtsystems. Das System wurde in mehrere Testfahrzeuge integriert. Experimente wurden sowohl in Testfahrten als auch im Labor an Hand von über 150.000 Bildern mit einer Vielzahl verschiedener Umweltbedingungen durchgeführt. Das System arbeitete erfolgreich bei verschiedenen Verkehrssituationen und Wetterbedingungen

    Bilderfassungs-/Auswertesystem zur intelligenten Fahrerunterstuetzung und Verkehrserfassung. Elektronisches Auge - BASTA Abschlussbericht

    No full text
    Available from TIB Hannover: RN 4858(10482)+a / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEBundesministerium fuer Bildung, Wissenschaft, Forschung und Technologie, Bonn (Germany)DEGerman

    Geo-archaeological mapping using very high resolution and stereoscopic satellite imagery (Russian TK-350) integrated in a GIS: a case study for the Wadi Mujib area near Lehun (Jordan)

    No full text
    A geo-archaeological model based on various environmental factors was developed for the Wadi Mujib area near the site of Lehun (Jordan). A DEM and a lithological map based on respectively a topographical and a geological map were prepared and integrated into a GIS. Since the geomorphology of the area is of primary, importance to archaeological site prediction an inventory of relevant relief information was extracted from a geomorphological map based on very high resolution and stereoscopic Russian TK350 images. These images offer an interesting alternative for conventional stereoscopic aerial photographs on scale 1:50,000 or smaller due to the high quality, the easy image processing, the large covered area, the availability and the sure and quick delivery,. After integration of the scanned geomorphological map the GIS finally comprised eight factor layers. A simple addition of these information layers resulted in a probability map for geo-archaeology showing the spatial variance of the probability, for archaeological evidence in the area. In the frame of the construction of a dam on the Wadi Mujib near the King's Highway the archaeologists can use this mop as a toot for organizing rescue research in a quick and efficient way

    Geo-archaeological research in the surroundings of the Wadi Mujib canyon (Jordan) based upon field survey, very high resolution and stereoscopic satellite images and a GIS

    No full text
    A geo-archaeological model based on various environmental factors was developed for the Wadi Mujib area near the site of Lehun (Jordan). A DEM and a lithological map based on respectively a topographical and a geological map were prepared and integrated into a GIS. Since the geomorphology of the area is of primary, importance to archaeological site prediction an inventory of relevant relief information was extracted from a geomorphological map based on very high resolution and stereoscopic Russian TK350 images. These images offer an interesting alternative for conventional stereoscopic aerial photographs on scale 1:50,000 or smaller due to the high quality, the easy image processing, the large covered area, the availability and the sure and quick delivery,. After integration of the scanned geomorphological map the GIS finally comprised eight factor layers. A simple addition of these information layers resulted in a probability map for geo-archaeology showing the spatial variance of the probability, for archaeological evidence in the area. In the frame of the construction of a dam on the Wadi Mujib near the King's Highway the archaeologists can use this mop as a toot for organizing rescue research in a quick and efficient way

    KOMPAS I - Komponenten Automatisierter Schienenverkehr. Phase 1: Arbeitspakete 320, 330: Hinderniserkennung und Bahnsteigsicherung entwickeln Schlussbericht

    No full text
    Doc. rep. no. IVI-FABF-230006-2003-04-01SIGLEAvailable from TIB Hannover: F03B1149 / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekBundesministerium fuer Bildung und Forschung, Berlin (Germany)DEGerman

    Intelligent and connected vehicles: Current status and future perspectives

    No full text
    corecore