A Novel CNN-BiLSTM-GRU Hybrid Deep Learning Model for Human Activity Recognition

Abstract

Human Activity Recognition (HAR) is critical in a variety of disciplines, including healthcare and robotics. This paper presents a new Convolutional Neural Network with Bidirectional Long Short-Term Memory and along with Gated Recurrent Unit (CNN-BiLSTM-GRU)hybrid deep learning model designed for Human Activity Recognition (HAR) that makes use of data from wearable sensors and mobile devices. Surprisingly, the model achieves an amazing accuracy rate of 99.7% on the difficult Wireless Sensor Data Mining (WISDM) dataset, demonstrating its ability to properly identify human behaviors. This study emphasizes parameter optimization, with a focus on batch size 0.3 as a significant component in improving the model’s robustness. Furthermore, the findings of this study have far-reaching implications for bipedal robotics, where precise HAR (Human Activity Recognition) is critical to improving human–robot interaction quality and overall work efficiency. These discoveries not only strengthen Human Activity Recognition (HAR) techniques, but also provide practical benefits in real-world applications, particularly in the robotics and healthcare areas. This study thus makes a significant contribution to the continuous development of Human Activity Recognition methods and their actual applications, emphasizing their important role in stimulating innovation and efficiency across a wide range of industries.