BreathRNNet: Breathing Based Authentication on Resource-Constrained IoT Devices using RNNs
Jagmohan Chauhan, Suranga Seneviratne, Yining Hu, Archan Misra, Aruna, Seneviratne, Youngki Lee

TL;DR
This paper explores the use of RNNs for breathing-based authentication on resource-limited IoT devices, demonstrating their feasibility and effectiveness across smartphones, smartwatches, and Raspberry Pi with minimal accuracy loss.
Contribution
It introduces an end-to-end breathing acoustics authentication system using RNNs optimized for resource-constrained IoT devices, showing their practical deployment potential.
Findings
RNNs can be effectively deployed on IoT devices for authentication.
RNN models maintain accuracy better than CNNs on limited hardware.
Feasibility demonstrated on smartphones, smartwatches, and Raspberry Pi.
Abstract
Recurrent neural networks (RNNs) have shown promising results in audio and speech processing applications due to their strong capabilities in modelling sequential data. In many applications, RNNs tend to outperform conventional models based on GMM/UBMs and i-vectors. Increasing popularity of IoT devices makes a strong case for implementing RNN based inferences for applications such as acoustics based authentication, voice commands, and edge analytics for smart homes. Nonetheless, the feasibility and performance of RNN based inferences on resources-constrained IoT devices remain largely unexplored. In this paper, we investigate the feasibility of using RNNs for an end-to-end authentication system based on breathing acoustics. We evaluate the performance of RNN models on three types of devices; smartphone, smartwatch, and Raspberry Pi and show that unlike CNN models, RNN models can be…
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Taxonomy
TopicsSpeech and Audio Processing · Music and Audio Processing · Speech Recognition and Synthesis
