Oscar-Hernandez commited on
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972a476
1 Parent(s): 55246da

Create utils.py

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  1. utils.py +18 -0
utils.py ADDED
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+ import numpy as np
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+ import torch
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+ from huggan.pytorch.lightweight_gan.lightweight_gan import LightweightGAN
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+
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+
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+ ## Cargamos el modelo desde el Hub de Hugging Face
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+ def carga_modelo(model_name="ceyda/butterfly_cropped_uniq1K_512", model_version=None):
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+ gan = LightweightGAN.from_pretrained(model_name, version=model_version)
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+ gan.eval()
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+ return gan
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+
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+
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+ ## Usamos el modelo GAN para generar imágenes
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+ def genera(gan, batch_size=1):
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+ with torch.no_grad():
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+ ims = gan.G(torch.randn(batch_size, gan.latent_dim)).clamp_(0.0, 1.0) * 255
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+ ims = ims.permute(0, 2, 3, 1).detach().cpu().numpy().astype(np.uint8)
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+ return ims