zhaijs

There may be something wrong with OKS loss and I'm trying to use a different loss function

I checked the dataset and found no errors. When I calculated kpt_loss_factor, the denominator added 1e-9. `kpt_loss_factor = (torch.sum(kpt_mask != 0) + torch.sum(kpt_mask == 0))/(torch.sum(kpt_mask != 0)+1e-9)`