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Smart Lighting for Enhancing Perception of Pedestrians based on Visual Properties
- Kazuya Asaoka - Toyota Motor Corporation ,
- Sho Masuda - Toyota Motor Corporation ,
- Kazuhiko Nakashima - Toyota Motor Corporation ,
- Shigeyoshi Hiratsuka - Toyota Central R&D Labs., Inc. ,
- Shinichi Kojima - Toyota Central R&D Labs., Inc. ,
- Nobuyuki Shiraki - Toyota Central R&D Labs., Inc. ,
- Kazunori Higuchi - Toyota Central R&D Labs., Inc. ,
- Toshihiko Tsukada - Toyota Central R&D Labs., Inc. ,
- Keiichi Shimaoka - Toyota Central R&D Labs., Inc.
ISSN: 2327-5626, e-ISSN: 2327-5634
Published April 05, 2016 by SAE International in United States
Citation: Hiratsuka, S., Kojima, S., Shiraki, N., Higuchi, K. et al., "Smart Lighting for Enhancing Perception of Pedestrians based on Visual Properties," SAE Int. J. Trans. Safety 4(1):25-32, 2016, https://doi.org/10.4271/2016-01-1414.
We investigated a lighting method that supports pedestrian perception by vehicle drivers. This lighting method makes active use of visual characteristics such as the spatio-temporal frequency of contrast sensitivity. Using reasonable parameter values derived from preliminary experiments using a Campbell-Robson chart, we determined a suitable lighting pattern that improves the driver's pedestrian perception. In order to assess the influence of visual characteristics on a reaction-time-dependent task, such as pedestrian perception in nighttime, tests were performed in the target environment, the results of which validated the proposed method.
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