Delete generate_images.py
Browse files- generate_images.py +0 -72
generate_images.py
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from diffusers import StableDiffusionPipeline
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import torch
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from tensorflow.keras.applications.inception_v3 import InceptionV3, preprocess_input
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from scipy.stats import entropy
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import numpy as np
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from PIL import Image
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import torchvision.transforms as transforms
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# Cargar el modelo de Stable Diffusion preentrenado
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pipe = StableDiffusionPipeline.from_pretrained("CompVis/stable-diffusion-v1-4")
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pipe.to("cuda") # Usar GPU
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# Funci贸n para generar varias im谩genes del mismo prompt
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def generate_images(prompt, num_images=5):
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images = []
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for _ in range(num_images):
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image = pipe(prompt).images[0]
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images.append(image)
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return images
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# Generar m煤ltiples im谩genes desde el mismo prompt
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prompt = "A red apple on a wooden table"
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generated_images = generate_images(prompt, num_images=10)
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# Convertir im谩genes a un formato compatible con el modelo InceptionV3 (299x299, 3 canales)
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def preprocess_images(images):
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transform = transforms.Compose([
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transforms.Resize((299, 299)),
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transforms.ToTensor()
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])
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processed_images = [transform(image) for image in images]
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processed_images = torch.stack(processed_images).numpy()
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# Reordenar los ejes de (batch, channels, height, width) a (batch, height, width, channels)
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processed_images = np.transpose(processed_images, (0, 2, 3, 1))
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return processed_images
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processed_images = preprocess_images(generated_images)
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# Cargar el modelo preentrenado de InceptionV3
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inception_model = InceptionV3(include_top=True, weights='imagenet')
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# Funci贸n para calcular el Inception Score
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def inception_score(images, num_splits=10):
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# Preprocesar las im谩genes para InceptionV3
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processed_images = preprocess_input(images)
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# Obtener las predicciones del modelo InceptionV3
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preds = inception_model.predict(processed_images)
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# Calcular la distribuci贸n marginal
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p_y = np.mean(preds, axis=0)
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# Calcular la KL divergencia para cada imagen
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kl_divs = [entropy(pred, p_y) for pred in preds]
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# Promediar los puntajes de KL y calcular el exponente
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avg_kl_div = np.mean(kl_divs)
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inception_score = np.exp(avg_kl_div)
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return inception_score
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# Calcular el Inception Score para las im谩genes generadas desde el mismo prompt
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score = inception_score(processed_images)
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print(f"Inception Score: {score}")
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# Opcional: Guardar las im谩genes generadas
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for i, image in enumerate(generated_images):
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image.save(f"generated_image_{i}.png")
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print(f"La imagen ha sido guardada como 'generated_image_{i}.png'.")
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