Hu, R. Z.-L., Hartfiel, A., Tung, J., Fakih, A., Hoey, J., & Poupart, P. (2011). 3D Pose tracking of walker users' lower limb with a structured-light camera on a moving platform 3D Pose Tracking of Walker Users\textquoteright Lower Limb With a Structured-Light Camera on a Moving Platform, 29\textendash36. IEEE.