Inertial sensors in smartphones enable the relative state measurements for pedestrian
localization without global positioning system (GPS) signals or beacons. Any such …

Recognizing the human emotion automatically from visual characteristics plays a vital role in
many intelligent applications. Recently, gait-based emotion recognition, especially gait …

Existing H&S monitoring methods are manual, cumbersome, time consuming and issues
with safety compliance and use of PPE remain a concern. With the existing manual H&S …

The Global Navigation Satellite System (GNSS) has been widely used in every area of our
daily life to provide accurate Positioning, Navigation, and Timing (PNT) services. However …

Person identification is a key problem in the security domain and may be used to
automatically identify criminals or missing persons. The traditional face matching …

Micro-Electro-Mechanical System (MEMS) inertial sensors, characterized by their small size,
low cost, and low power consumption, are commonly used in foot-mounted wearable …

Joint pain is a prominent symptom of Hip and Knee Osteoarthritis (OA), impairing patients'
movements and affecting the joint mechanics of walking. Self-report questionnaires are …

This paper proposes an improved attitude estimation algorithm based on the extended
Kalman filter (EKF), and it is applied to suppress the accuracy reduction in attitude …

This work shows an attitude estimator (AE) based on a time-varying Kalman filter (TVKF) and
adapted to those cases where a low-acceleration assumption can be applied. This filter is an …

Pedestrian dead reckoning (PDR) is a self-contained positioning technology and has been a
significant research topic in recent years. Pedestrian-stride-length estimation is the core part …