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- W589589336 abstract "TO DETERMINE THE BASIC REQUIREMENTS FOR THE DISTRIBUTION OF LUMINANCE OF THE CARRIAGEWAY, THREE SERIES OF EXPERIMENTS WERE CARRIED OUT: FIRST THE PERCEPTIVE TOLERANCE OF NONUNIFORMITY OF LUMINANCE WAS EXAMINED USING A DYNAMIC ROAD MODEL. THE MAIN DETERMINING FACTORS ARE THE LONGITUDINAL VARIATIONS AND THEIR MODULATION FREQUENCY, IN ADDITION THE INFLUENCE OF THE MEAN LUMINANCE AND THE SPEED OF THE OBSERVER COULD BE ESTABLISHED. A SECOND SERIES DEALT WITH THE EFFECT OF LUMINANCE IN THE FIELD SURROUNDING THE OBJECT ON THE PERCEPTION OF CONTRAST USING BAR PATTERNS AND THE CONSTANT STIMULUS METHOD. THE LOSS OF CONTRAST SENSITIVITY WHICH IS CAUSED BY THE NONUNIFORMITY IS INCREASED BY HIGH BAR FREQUENCIES. FINALLY A COMPLEX VISUAL TEST WAS USED TO DETERMINE THE INFLUENCE OF LUMINANCE DISTRIBUTION ON HIGH LEVEL STIMULUS RESPONSES USING SPECIAL SIGNS. THE THREE COMPONENTS OF REACTION TIME, ACTION TIME AND ACTION QUALITY ARE DISTINGUISHED. EACH OF THE FACTORS IS INFLUENCED BY DEGREE OF NONUNIFORMITY, THE MARGIN ABOVE THE THRESHOLD AND THE BAR FREQUENCY IN A DIFFERENT WAY. FOR PRACTICAL PURPOSES THE RESULT IS: THE DEPENDENCE OF THE TOLERABLE NONUNIFORMITY OF LUMINANCE ON ITS SPATIAL MODULATION FREQUENCY (DESCRIBED BY THE SPACING OF THE LIGHT SOURCES) CAN BE DEMONSTRATED; ON THE BASIS OF THE REACTION PERFORMANCE IN RELATION TO THE CHARACTERISTICS OF THE LUMINANCE DISTRIBUTION VARIOUS KINDS OF INSTALLATIONS CAN BE COMPARED AND IF NECESSARY OPTIMISED." @default.
- W589589336 created "2016-06-24" @default.
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- W589589336 date "1975-01-01" @default.
- W589589336 modified "2023-09-26" @default.
- W589589336 title "DETERMINING THE OPTIMUM LUMINANCE DISTRIBUTION FOR ROAD LIGHTING" @default.
- W589589336 hasPublicationYear "1975" @default.
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