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Pose2Sim provides a workflow for 3D markerless kinematics, as an alternative to the more usual marker-based motion capture methods. Pose2Sim stands for "OpenPose to OpenSim", as it uses OpenPose inputs (2D coordinates obtained from multiple videos) and leads to an OpenSim result (full-body 3D joint angles).
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Pagnon et al. (2022) studied this question.
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