Motion evaluation by means of joint filtering for assisted physical therapy. - Julia Richter; Christian Wiede; Lars Lehmann; Gangolf Hirtz (ICCE-Berlin, 2017)

Individual Avatar Skeletal based Animation Feedback for Assisted Motion Control. - Lars Lehmann; Christian Wiede; Gangolf Hirtz (VISIGRAPP (4: VISAPP), 2020)

3D Reference-Based Skeletal Movement Evaluation. - Lars Lehmann; Roman Seidel; Gangolf Hirtz (IMPROVE, 2023)