Spaces:
Sleeping
Sleeping
Migrate to a Gradio interface for user-friendly predictions
Browse files- Dockerfile +0 -22
- README.md +7 -12
- app.py +49 -56
- requirements.txt +2 -1
Dockerfile
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# Usa la imagen base oficial de Hugging Face para Spaces. Incluye PyTorch y CUDA.
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FROM huggingface/transformers-pytorch-gpu
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# Establece el directorio de trabajo dentro del contenedor
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WORKDIR /code
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# Copia el archivo de requerimientos primero para que Docker pueda cachear la instalación
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COPY ./requirements.txt /code/requirements.txt
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# Instala todas las dependencias de Python
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RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
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# Copia todos los demás archivos de tu proyecto al contenedor
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COPY . /code
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# Expone el puerto que usará la aplicación. 7860 es el estándar para Spaces.
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EXPOSE 7860
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# Define el comando que se ejecutará para iniciar tu API de FastAPI.
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# Le dice a 'uvicorn' que busque un objeto llamado 'app' en un archivo llamado 'app.py'
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# y que lo sirva en todas las interfaces de red ('0.0.0.0') en el puerto 7860.
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CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
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README.md
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---
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title: Orchid Classifier
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emoji: 🌸
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colorFrom:
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colorTo:
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sdk:
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app_port: 7860
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pinned: false
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license: mit
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---
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Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
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---
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title: Orchid Classifier
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emoji: 🌸
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colorFrom: green
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colorTo: purple
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sdk: gradio
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sdk_version: 4.31.0 # Usar una versión reciente de Gradio
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license: mit
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---
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app.py
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#
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import torch
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import torchvision.transforms as transforms
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from PIL import Image
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import json
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import io
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#
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from VisionEnsembleModel import VisionEnsembleModel
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# Definimos el dispositivo (en los Spaces de Hugging Face, podemos usar CPU o GPU)
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device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
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print(f"Usando dispositivo: {device}")
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# Rutas a los archivos
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MODEL_PATH = "model/best_vision_ensemble_model.pth"
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LABELS_PATH = "model/species_labels_map.json"
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NUM_CLASSES = 156
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#
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with open(LABELS_PATH) as f:
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labels_map = json.load(f)
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print("Mapa de etiquetas cargado.")
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#
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model =
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model.load_state_dict(torch.load(MODEL_PATH, map_location=device))
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model.to(device)
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model.eval()
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#
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transforms_val = transforms.Compose([
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transforms.Resize((224, 224)),
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transforms.ToTensor(),
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transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])
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])
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# --- 2.
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app = FastAPI(title="API de Clasificación de Orquídeas")
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@app.get("/")
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def read_root():
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return {"message": "Bienvenido a la API de Orquídeas. Envía una imagen al endpoint /predict"}
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async def predict(file: UploadFile = File(...)):
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"""
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"""
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#
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image = Image.open(io.BytesIO(image_bytes)).convert("RGB")
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except Exception as e:
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return JSONResponse(status_code=400, content={"error": f"Archivo inválido: {e}"})
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# Preprocesar la imagen
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input_tensor = transforms_val(
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# Realizar la predicción
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with torch.no_grad():
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output = model(input_tensor)
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probabilities = torch.nn.functional.softmax(output[0], dim=0)
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#
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predicted_id = top_catid[0].item()
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confidence = top_prob[0].item()
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status_code=200,
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content={
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"filename": file.filename,
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"predicted_species": predicted_species,
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"confidence": f"{confidence:.4f}",
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"species_id": predicted_id
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}
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)
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# app.py (versión con Gradio)
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import torch
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import torchvision.transforms as transforms
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from PIL import Image
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import json
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import timm
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import gradio as gr
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# --- 1. Carga del Modelo y Componentes (igual que antes) ---
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device = torch.device("cpu") # Es más seguro usar CPU en el plan gratuito
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MODEL_PATH = "model/best_mobilenet_model.pth" # Usaremos el modelo ligero que sabemos que funciona
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LABELS_PATH = "model/species_labels_map.json"
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NUM_CLASSES = 156
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# Cargar mapa de etiquetas
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with open(LABELS_PATH) as f:
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labels_map = json.load(f)
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# Definir y cargar el modelo ligero
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model = timm.create_model('mobilenetv2_100', pretrained=False, num_classes=NUM_CLASSES)
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model.load_state_dict(torch.load(MODEL_PATH, map_location=device))
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model.to(device)
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model.eval()
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print("Modelo MobileNetV2 cargado y listo.")
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# Definir las transformaciones de la imagen
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transforms_val = transforms.Compose([
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transforms.Resize((224, 224)),
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transforms.ToTensor(),
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transforms.Normalize(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225])
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])
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# --- 2. Definir la Función de Predicción para Gradio ---
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def predict(image):
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"""
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Esta función toma una imagen (de Gradio) y devuelve un diccionario de predicciones.
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"""
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# La imagen de Gradio viene como un array de Numpy, la convertimos a PIL Image
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pil_image = Image.fromarray(image.astype('uint8'), 'RGB')
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# Preprocesar la imagen
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input_tensor = transforms_val(pil_image).unsqueeze(0).to(device)
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# Realizar la predicción
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with torch.no_grad():
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output = model(input_tensor)
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probabilities = torch.nn.functional.softmax(output[0], dim=0)
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# Crear un diccionario de confianza para las 5 mejores predicciones
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top5_prob, top5_catid = torch.topk(probabilities, 5)
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confidences = {}
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for i in range(top5_prob.size(0)):
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species_id = top5_catid[i].item()
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prob = top5_prob[i].item()
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species_name = labels_map.get(str(species_id), "Desconocido")
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confidences[species_name] = prob
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return confidences
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# --- 3. Crear y Lanzar la Interfaz de Gradio ---
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# Creamos la interfaz
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iface = gr.Interface(
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fn=predict,
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inputs=gr.Image(type="numpy", label="Sube una imagen de tu orquídea"),
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outputs=gr.Label(num_top_classes=5, label="Predicciones"),
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title="Clasificador de Orquídeas",
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description="Sube una foto de una orquídea y la IA intentará identificar la especie. Este modelo usa un MobileNetV2.",
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examples=[
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# Puedes añadir rutas a imágenes de ejemplo si las subes a tu repositorio
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# ["ejemplo1.jpg"],
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# ["ejemplo2.jpg"]
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]
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)
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# Lanzamos la aplicación
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iface.launch()
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requirements.txt
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torchvision
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timm
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Pillow
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scikit-learn
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torchvision
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timm
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Pillow
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scikit-learn
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gradio
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