Authenticating Users In Real World Applications using Multi Modal Biometric System For Smartphone’s Based Hidden Markov Model Compared With K Nearest Neighbor Algorithm - Sandeepkumaryadax, G; Loganayagi, S (2024 15th International Conference on Computing Communication and Networking Technologies (ICCCNT), Computing Communication and Networking Technologies (ICCCNT), 2024 15th International Conference on, 2024)