Prema, A., & Murthy, M. V. R. (2014). Implementing Mathematical Morphology Techniques to Detect Cracks in Underground Pipeline Images Automatically. International Journal of Sciences: Basic and Applied Research (IJSBAR), 13(1), 351–356. Retrieved from https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/1966