straight longhair has bad results

[doublexxking]

As title mentioned, I test straight longhair, the output always is curly hair no matter what the parameter is. Face shape and expression are also not good enough.
Input:

NPHM outputs:

Additionally, I find that NPHM cannot deal with long bangs.
Do you have some suggestions to handle this kind of situation?

I upload the test scan ply if you need it to check.
scan.zip

[Zvyozdo4ka]

@doublexxking, Could you explain to me, please, how to give point cloud as input and get a mesh?

[Zvyozdo4ka]

@doublexxking could you at least say which function did you use, or did you write this script for getting mesh based on point cloud, from scratch?

[Zvyozdo4ka]

@doublexxking how did you get point cloud? from scanner?

[Zvyozdo4ka]

Even though i had my own flame and good point cloud, registered and transformed to be in same coordinate system as flame, the result of NPHM does not resemble identity at all. I guess network works only with trained data: