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Special Issue: Selected Papers from the 2nd IEEE International Conference on Robotic Computing (IRC2018) and 1st International Conference on Artificial Intelligence for Industries (ai4i2018); Guest Editors: Chun-Ming Chang and Daniela D'AuriaNo Access

Gait Pattern Recognition Using a Smartwatch Assisting Postoperative Physiotherapy

    https://doi.org/10.1142/S1793351X19400117Cited by:2 (Source: Crossref)

    Postoperative rehabilitation is led by physiotherapists and is a vital program that re-establishes joint motion and strengthens the muscles around the joint after an orthopedic surgery. Modern smart devices have affected every aspect of human life. Newly developed technologies have disrupted the way various industries operate, including the healthcare one. Extensive research has been carried out on how smartphone inertial sensors can be used for activity recognition. However, there are very few studies on systems that monitor patients and detect different gait patterns in order to assist the work of physiotherapists during the said rehabilitation phase, even outside the time-limited physiotherapy sessions. In this paper, we are presenting a gait recognition system that was developed to detect different gait patterns. The proposed system was trained, tested and validated with data of people who have undergone lower body orthopedic surgery, recorded by Hirslanden Clinique La Colline, an orthopedic clinic in Geneva, Switzerland. Nine different gait classes were labeled by professional physiotherapists. After extracting both time and frequency domain features from the time series data, several machine learning models were tested including a fully connected neural network. Raw time series data were also fed into a convolutional neural network.

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