The Uniform Detection Characteristic (UDC) locus circumscribes a region in front of a vehicle at which the luminance requirement for detecting a roadway obstacle is met by the vehicle's headlamp system. Algorithms take into account variables that are not typically addressed by traditional (isolux) roadway illumination methods. The variables that can be treated include: obstacle size, coloration or reflectance characteristics; a driver's state of expectancy, age-related changes in visual sensitivity, and adaptation levels elevated by ambient light. The discernibility locus defines the distance at which a detection criterion, the luminance sensitivity threshold, is satisfied for moving or stationary obstacles. The locus protocol can be used for grading the effectiveness of lighting systems on specific vehicles, or for forensic investigation of nighttime automobile accidents


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    Titel :

    UDC - Uniform Detection Characteristic for Detecting Roadway Obstacles


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    SAE 2006 World Congress & Exhibition ; 2006



    Erscheinungsdatum :

    2006-04-03




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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