StableDiffusion/ldm/data/util.py
2022-11-24 01:22:28 +01:00

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629 B
Python

import torch
from ldm.modules.midas.api import load_midas_transform
class AddMiDaS(object):
def __init__(self, model_type):
super().__init__()
self.transform = load_midas_transform(model_type)
def pt2np(self, x):
x = ((x + 1.0) * .5).detach().cpu().numpy()
return x
def np2pt(self, x):
x = torch.from_numpy(x) * 2 - 1.
return x
def __call__(self, sample):
# sample['jpg'] is tensor hwc in [-1, 1] at this point
x = self.pt2np(sample['jpg'])
x = self.transform({"image": x})["image"]
sample['midas_in'] = x
return sample