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Create app.py
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app.py
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import streamlit as st
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import torch
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from transformers import ViTFeatureExtractor, ViTForImageClassification, ViTConfig
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from huggingface_hub import hf_hub_url, cached_download
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# URL del archivo de configuraci贸n en el espacio de Hugging Face
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config_url = hf_hub_url(space_name="adwod", filename="config.json", repo_id="Streamlite_ViT_2000")
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# Descargar el archivo de configuraci贸n y cargarlo en una instancia de ViTConfig
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config = ViTConfig.from_json_dict(cached_download(config_url))
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# URL del archivo de pesos del modelo en el espacio de Hugging Face
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model_path = hf_hub_url(space_name="adwod", filename="pytorch_model.bin", repo_id="Streamlite_ViT_2000")
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# Descargar el archivo de pesos del modelo y cargarlo en el modelo
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model.load_state_dict(torch.load(cached_download(model_path)))
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model = ViTForImageClassification(config)
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model.load_state_dict(torch.load(model_path))
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# Cargar el extractor de caracter铆sticas
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feature_extractor = ViTFeatureExtractor.from_pretrained('google/vit-base-patch16-224')
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# Funci贸n para hacer predicciones en una imagen de entrada
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def predict(image):
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# Preprocesar la imagen
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inputs = feature_extractor(image=image, return_tensors="pt")
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# Hacer predicciones
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outputs = model(**inputs)
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# Obtener las etiquetas predichas
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predicted_labels = torch.argmax(outputs.logits, dim=1)
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# Devolver las etiquetas como una lista de strings
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label_strings = ['inside', 'outside', 'food', 'drink', 'menu']
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return [label_strings[label] for label in predicted_labels]
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# Interfaz de usuario para cargar una imagen y hacer predicciones
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st.title("ViT Image Classifier")
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uploaded_file = st.file_uploader("Choose an image...", type=["jpg", "jpeg", "png"])
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if uploaded_file is not None:
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image = Image.open(uploaded_file)
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st.image(image, caption='Uploaded image.', use_column_width=True)
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predictions = predict(image)
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st.write("Predicted labels:")
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for label in predictions:
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st.write(label)
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