Nighttime Scene Equivalent Contrast Gradient Panel - documenting a nighttime scene
Have you read the SAE paper "A Quantitative Method for Accurately Depicting Still Photographs or Video of a Night-Time Scene Utilizing Equivalent Contrast." 2016-01-1463? Jeff's contrast gradient panel is used and referenced in this paper.
Crash Safety Solutions, LLC is a company working to provide solutions and educational tools to crash reconstructionists investigating different aspects involving crashes. CSS holds various classes utilizing lectures, discussions and in-class demonstrations designed to introduce reconstructionists to scientific studies and analysis to answer the key questions involving aspects of driver behavior: reaction times (and delays), perception, visibility and impairment, among others. Topics focus on obtaining a better understanding of what needs to be accomplished to assess the human role in the crash sequence.