NVlabs / PWC-Net

PWC-Net: CNNs for Optical Flow Using Pyramid, Warping, and Cost Volume, CVPR 2018 (Oral)
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Reference Flow (Caffe) #95

Closed dvdhfnr closed 4 years ago

dvdhfnr commented 4 years ago

Hi!

First of all, thanks for the great work!

Following the README, I performed the following steps:

However, the resulting flow fields are significantly different from the given reference flow fields (PWC-Net/Caffe/tmp/reference_frame0010*.flo): image

The resulting flow fields are not bad, but different. As far as I understood, the reference flow fields are meant for verifying the output of the code; i.e. the output of the standard/default code should yield to the reference flow.

Is this correct? Is there any reason for this difference?

dvdhfnr commented 4 years ago

Let me rephrase my question: Should the produced flow fields (with the current Caffe code) be identical with the given reference flow?

dvdhfnr commented 4 years ago

Would be nice to add a comment in the README pointing this out.