mariposas / utils.py
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import numpy as np
import torch
from huggan.pytorch.lightweight_gan.lightweight_gan import LightweightGAN
def carga_modelo(model_name="ceyda/butterfly_cropped_uniq1K_512", model_version=None):
gan=LightweightGAN.from_pretrained(model_name, version=model_version)
gan.eval()
return gan
def genera(gan, batch_size):
with torch.no_grad():
ims = gan.G(torch.randn(batch_size, gan.latent_dim)).clamp_(0.0, 1.0) * 255
ims = ims.permute(0,2,3,1).deatch().cpu().numpy().astype(np.uint8)
return ims