Ajith Abraham, M. Akhil Jabbar, Sanju Tiwari, Isabel M. S. Jesus: Proceedings of the 11th International Conference on Soft Computing and Pattern Recognition (SoCPaR 2019), Hyderabad, India, December 13-15, 2019. Advances in Intelligent Systems and Computing 1182, Springer 2021, ISBN 978-3-030-49344-8