Yuki Matsuda, Ismail Arai. A safety assessment system for sidewalks at night utilizing smartphones' light sensors. In A. J. Brush, Adrian Friday, Julie A. Kientz, James Scott, Junehwa Song, editors, The 2014 ACM Conference on Ubiquitous Computing, UbiComp '14 Adjunct, Seattle, WA, USA - September 13 - 17, 2014. pages 115-118, ACM, 2014. [doi]
Abstract is missing.