how does it return all flow_num during training?

NVlabs / PWC-Net

PWC-Net: CNNs for Optical Flow Using Pyramid, Warping, and Cost Volume, CVPR 2018 (Oral)

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how does it return all flow_num during training? #107

Closed ProNoobLi closed 4 years ago

ProNoobLi commented 4 years ago

In the implementation. I saw that training return flow2-flow6, but why does need all of flow? It should be end2end training and only top layer of flow2 is enough.

ProNoobLi commented 4 years ago

Solved, it's multiscale training