Mikael Persson Gustav Häger Hannes Ovrén Per-Erik Forssén Practical Pose Trajectory Splines With Explicit Regularization. 156-165 2021 3DV https://doi.org/10.1109/3DV53792.2021.00026 conf/3dim/2021 db/conf/3dim/3dim2021.html#PerssonHOF21