
NTP (Ours)  NSFP (Euler Int.)  Flowstep3D (KNN Int.) 

















Sparse reference frame  NTP (Ours)  NSFP (Euler Int.)  Flowstep3D (KNN Int.) 

















Densified point cloud using NTP (Ours)  Original sparse point cloud 





NTP (Ours) 


Reference[1] Li, Xueqian, Jhony Kaesemodel Pontes, and Simon Lucey. "Neural Scene Flow Prior." ThirtyFifth Conference on Neural Information Processing Systems. 2021.
[2] Kittenplon, Yair, Yonina C. Eldar, and Dan Raviv. "FlowStep3D: Model Unrolling for SelfSupervised Scene Flow Estimation." Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition. 2021.
