Inertial Measurement Unit
Inertial Measurement Units (IMUs) are small, self-contained sensors that measure acceleration and angular velocity, providing crucial data for motion tracking and localization across diverse applications. Current research focuses on improving IMU data processing through advanced algorithms like Kalman filters, recurrent neural networks (RNNs), transformers, and novel approaches leveraging data augmentation and equivariant neural networks to enhance accuracy and robustness, particularly in challenging environments or with limited data. These advancements are driving significant improvements in areas such as human activity recognition, visual-inertial odometry, and pose estimation, with implications for fields ranging from healthcare and fitness to robotics and autonomous navigation. The development of efficient calibration techniques and the exploration of sensor fusion with other modalities, like cameras and UWB, are also key areas of ongoing investigation.
Papers
A comparative study on wearables and single-camera video for upper-limb out-of-thelab activity recognition with different deep learning architectures
Mario Martínez-Zarzuela, David González-Ortega, Míriam Antón-Rodríguez, Francisco Javier Díaz-Pernas, Henning Müller, Cristina Simón-Martínez
Custom IMU-Based Wearable System for Robust 2.4 GHz Wireless Human Body Parts Orientation Tracking and 3D Movement Visualization on an Avatar
Javier González-Alonso, David Oviedo-Pastor, Héctor J. Aguado, Francisco J. Díaz-Pernas, David González-Ortega, Mario Martínez-Zarzuela