Upload 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
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# Cargar el modelo preentrenado
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model_path = "output/model.bin"
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model = ViTForImageClassification.from_pretrained(model_path)
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# Cargar el extractor de características
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feature_extractor = ViTFeatureExtractor.from_pretrained('google/vit-base-patch16-224')
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# Función 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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