Create main.py
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main.py
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from fastapi import FastAPI, File, UploadFile
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from fastapi.responses import JSONResponse
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import tensorflow as tf
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import numpy as np
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import pickle
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from PIL import Image
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import io
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app = FastAPI()
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# Load model and encoder
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model = tf.keras.models.load_model("best_sleeve_model.keras")
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with open("sleeve_length_encoder.pkl", "rb") as f:
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encoder = pickle.load(f)
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# Define image preprocessing function
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def preprocess_image(image_bytes):
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image = Image.open(io.BytesIO(image_bytes)).convert("RGB")
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image = image.resize((224, 224)) # Change this if your model expects a different size
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image_array = np.array(image) / 255.0 # Normalize if your model was trained that way
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image_array = np.expand_dims(image_array, axis=0) # Add batch dimension
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return image_array
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@app.get("/")
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def root():
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return {"message": "Sleeve Length Image Prediction API is running."}
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@app.post("/predict")
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async def predict(file: UploadFile = File(...)):
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try:
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image_bytes = await file.read()
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input_tensor = preprocess_image(image_bytes)
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# Make prediction
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prediction = model.predict(input_tensor)
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class_index = np.argmax(prediction, axis=1)
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label = encoder.inverse_transform(class_index)
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return JSONResponse(content={"sleeve_length": label[0]})
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except Exception as e:
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return JSONResponse(content={"error": str(e)}, status_code=500)
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