Lighting effects in image model, back view is often very dark

[GalDude33]

It seems that the back views generated by the image model are much darker than the front view (input image).
Any way to make the lighting more consistent?

See example for shirt use-case:

[pengwangucla]

might be affected by the black background.

We are working on diffusion that supports relighting. Which will fundamentally solve this issue.