Advances in Computing and Data Sciences 5th International Conference, ICACDS 2021, Nashik, India, April 23–24, 2021, Revised Selected Papers, Part I - Singh, Mayank; Tyagi, Vipin; Gupta, P. K.; Flusser, Jan; Ören, Tuncer; Sonawane, V. R. (Communications in Computer and Information Science, 2021)