Adding voxelmorph in MONAI?

[bhosalems]

Is your feature request related to a problem? Please describe.
Adding 3d image registration model called voxelmorph https://arxiv.org/pdf/1809.05231.pdf.

Describe the solution you'd like
Trainable voxelmorph model.

[wyli]

that's not currently implemented in this codebase, contributions is greatly welcomed.

[bhosalems]

Thanks, I could add it as time permits. Can you point me to the right direction for contribution?

[aliunluml]

I will work on this if that's OK for both of you.

[aliunluml]

Ok. I am not able to work on this at the moment. If there is anyone else interested, please feel free to work on this.

[kvttt]

Hi @wyli, may I work on this?