Previous work investigating how lighting enhances peripheral detection for pedestrians has tended to consider only raised hazards and lighting from a directly overhead source. An experiment was conducted to determine the extent to which variations in these parameters would influence the recommendations for optimal lighting. The results did not suggest a difference in the detection of raised and lowered trip hazards of the same change in vertical height relative to ground level. The results suggest that variation in light source position relative to the target does have a significant effect: To establish the implication of this requires further work to investigate detection under the least-favourable spatial arrangement.

中文翻译：

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行人道路照明：灯具位置对检测升高和降低的绊倒危险的影响

之前研究照明如何增强行人周边检测的工作往往只考虑来自直接头顶光源的危险和照明。进行了一项实验，以确定这些参数的变化对最佳照明建议的影响程度。结果并未表明垂直高度相对于地面水平的相同变化对升高和降低的绊倒危险的检测存在差异。结果表明，光源位置相对于目标的变化确实具有显着影响：要确定其含义，需要进一步研究在最不利空间布置下的检测。