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psurmreqmer
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Parent(s):
69f9f13
README.md
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@@ -5,7 +5,7 @@ colorFrom: gray
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colorTo: indigo
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sdk: gradio
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sdk_version: 6.0.2
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-
app_file:
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pinned: false
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---
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colorTo: indigo
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sdk: gradio
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sdk_version: 6.0.2
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app_file: app6.py
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pinned: false
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---
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app6.py
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import gradio as gr
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import torch
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from diffusers import DiffusionPipeline
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from PIL import Image
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# --- Configuración del Modelo ---
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# Usa la GPU si está disponible, sino la CPU (SDXL será muy lento en CPU)
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device = "cuda" if torch.cuda.is_available() else "cpu"
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dtype_config = torch.bfloat16 if device == "cuda" else torch.float32 # bfloat16 solo para GPU modernas
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# Modelo Stable Diffusion XL Refiner para transformaciones de alta calidad
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model_id = "stabilityai/stable-diffusion-xl-refiner-1.0"
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try:
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# Usamos DiffusionPipeline para Image-to-Image (i2i)
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pipe = DiffusionPipeline.from_pretrained(
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model_id,
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torch_dtype=dtype_config,
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use_safetensors=True
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).to(device)
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print(f"Modelo SDXL Refiner cargado en: {device.upper()}")
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except Exception as e:
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print(f"Error al cargar el modelo SDXL: {e}")
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pipe = None
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# --- Función de Procesamiento con Difusión (i2i) ---
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def procesar_con_sdxl(imagen_entrada, prompt_base, estilo_radial, strength_slider):
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"""
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Aplica transformación i2i guiada por el prompt y el estilo radial seleccionado.
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"""
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if pipe is None or imagen_entrada is None:
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return Image.new('RGB', (512, 512), color = 'red')
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# 1. Definir el prompt según el estilo radial seleccionado
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estilo_prompts = {
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"Blanco y Negro (Monocromático)": ", en alto contraste, blanco y negro, monocromático, dramático",
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"Alto Contraste y Saturación": ", colores vívidos, alto contraste, HDR, saturación extrema",
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"Original (Poco Ruido)": ", fotografía de alta calidad, realista, colores naturales",
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}
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# Combinar el prompt base del usuario con el estilo
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full_prompt = prompt_base + estilo_prompts.get(estilo_radial, "")
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# 2. Preprocesar la imagen (SDXL funciona bien con resoluciones más grandes)
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# Redimensionamos a 1024x1024, que es la resolución nativa de SDXL, para mejores resultados
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init_image = imagen_entrada.convert("RGB").resize((1024, 1024))
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try:
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# 3. Ejecutar el pipeline de difusión i2i
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image = pipe(
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prompt=full_prompt,
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image=init_image,
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strength=strength_slider, # Fuerza de la modificación
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guidance_scale=7.5 # Qué tan estricto debe ser el modelo con el prompt
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).images[0]
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return image
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except Exception as e:
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print(f"Error durante la difusión: {e}")
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return Image.new('RGB', (1024, 1024), color = 'red')
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# --- Interfaz Gradio con gr.Blocks() ---
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with gr.Blocks(title="SDXL Refiner con Controles Radiales") as demo:
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gr.Markdown(
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"""
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# 🌟 Tarea con SDXL Refiner (Image-to-Image)
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Carga una imagen, define un **Prompt** y selecciona un **Estilo Radial** para que el modelo de difusión la transforme.
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"""
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)
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with gr.Row():
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# Lado izquierdo: Inputs y Controles
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with gr.Column(scale=1):
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image_input = gr.Image(
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type="pil",
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label="1. Cargar Imagen Inicial",
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)
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prompt_input = gr.Textbox(
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label="2. Prompt Base (ej. Un gato mirando por la ventana)",
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value="Una foto de un gato mirando por la ventana"
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)
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# --- Control Radial (Radio Buttons) ---
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estilo_radial = gr.Radio(
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["Original (Poco Ruido)", "Blanco y Negro (Monocromático)", "Alto Contraste y Saturación"],
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label="3. Selecciona el Estilo de Transformación",
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value="Original (Poco Ruido)"
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)
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# -----------------------------------
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strength_slider = gr.Slider(
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minimum=0.1,
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maximum=1.0,
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value=0.6,
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step=0.05,
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label="4. Fuerza de Difusión (Strength): 0.1=sutil, 1.0=cambio total"
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)
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process_button = gr.Button("✨ Aplicar Difusión SDXL", variant="primary")
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# Lado derecho: Output
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with gr.Column(scale=1):
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image_output = gr.Image(
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type="pil",
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label="Imagen Transformada por SDXL",
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height=512 # Mostramos a 512, aunque la generación sea a 1024
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)
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# Conexión de la acción
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process_button.click(
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fn=procesar_con_sdxl,
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inputs=[image_input, prompt_input, estilo_radial, strength_slider],
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outputs=image_output
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)
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demo.launch(inbrowser=True)
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