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. 2021 Jan 11;8(1):016001. doi: 10.1117/1.JMI.8.1.016001

Fig. 12.

Fig. 12

Femur and tibia kinematics of subject 4. (a) Femur and tibia rotation; (b) femur and tibia translation. Solid lines represent KPCA-based SSM fitting results and solid circles represent ground truth pose from manual fitting.