Ontology highlight
ABSTRACT:
SUBMITTER: Mehri A
PROVIDER: S-EPMC6249494 | biostudies-literature | 2018
REPOSITORIES: biostudies-literature
Health promotion perspectives 20181027 4
<b>Background:</b> The purpose of this study was to assess the contrast perception of obstacles in a tunnel entrance which was placed in Ilam Province, Iran. <b>Methods:</b> An obstacle with the reflection coefficient of 20% was mounted at the entrance of thetunnel and then, the car was placed near the tunnel entrance and the intrinsic luminance of the road (L<sub>r,intrinsic</sub>) and obstacle (L<sub>o,intrinsic</sub>) were measured inside the car using the luminance meter. <b>Results:</b> Int ...[more]