Advances in Signal Processing and Intelligent Recognition Systems: 5th International Symposium, SIRS 2019, Trivandrum, India, December 18–21, 2019, Revised Selected Papers - Thampi; Chaudhary, Vipin; Corchado, Juan M.; Hegde, Rajesh M.; Krishnan, Sri; Marques, Oge; Mukhopadhyay, Jayanta; Piramuthu, Selwyn (Springer Singapore, 2020)