1. Data normalization and standardization: a technical report;Ali;Mach Learn Tech Rep,2014
2. Predicting traffic sign retro-reflectivity degradation using deep neural networks;Alkhulaifi;Appl. Sci.,2021
3. Model for predicting traffic signs functional service life-the republic of croatia case study;Babić;Promet-Traffic & Transportation,2017
4. Deterioration of retroreflective traffic signs;Black;ITE journal,1992
5. Brimley, B. K., Senior, C., Hawkins Jr, H. G., & Carlson, P. J. 2011. analysis of retroreflectivity and color degradation in sign sheeting. Compendium of Student Papers: 2010 Undergraduate Transportation Scholars Program, 81.