ResPubID22874, ResPubID23601, accelerometers, average root mean square errors, end point foot clearance point estimation, feature extraction, foot clearance parameters, general regression neural networks, gyroscopes, hill- climbing feature selection technique, leave-one-subject-out method, maximum vertical clearance, minimum toe clearance, optoelectronic motion capture system, raw inertial sensor data, raw inertial sensor measurements, regression model, sensor features, swing foot, walking speeds, trajectory, biomedical equipment, feature extraction, gait analysis, gyroscopes, neural nets, patient monitoring, physiological models, regression analysis, feet, shoes