Upload 5 files
Browse files- class_indices.pkl +3 -0
- fracture_detection_model.pkl +3 -0
- index.html +183 -0
- main.py +123 -0
- new.py +28 -0
class_indices.pkl
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version https://git-lfs.github.com/spec/v1
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oid sha256:83b58cbb37e7e8805499e59d9449b182d7cfcc574006075db6e53df072c181c1
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size 151
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fracture_detection_model.pkl
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version https://git-lfs.github.com/spec/v1
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oid sha256:c9154619b16f95469b5188f54a0e3d71f0a3737c902a8687738d3fa8044acf32
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size 228494688
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index.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>X-ray Fracture Detection</title>
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<!-- Tailwind CSS for styling -->
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<script src="https://cdn.tailwindcss.com"></script>
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<!-- Inter font from Google Fonts -->
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<link rel="preconnect" href="https://fonts.googleapis.com">
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
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<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
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<style>
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body {
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font-family: 'Inter', sans-serif;
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}
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/* Simple spinner animation */
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.loader {
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border: 4px solid #f3f3f3;
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border-radius: 50%;
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border-top: 4px solid #3498db;
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width: 40px;
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height: 40px;
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animation: spin 1s linear infinite;
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}
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@keyframes spin {
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0% { transform: rotate(0deg); }
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100% { transform: rotate(360deg); }
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}
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</style>
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</head>
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<body class="bg-gray-100 min-h-screen flex items-center justify-center">
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<div class="w-full max-w-lg mx-auto bg-white rounded-xl shadow-lg p-8 md:p-12">
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<!-- Header -->
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<div class="text-center mb-8">
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<h1 class="text-3xl font-bold text-gray-800">Fracture Detection AI</h1>
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<p class="text-gray-500 mt-2">Upload an X-ray image to check for fractures.</p>
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</div>
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<!-- File Upload Section -->
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<div>
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<!-- Styled file input -->
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<label for="file-upload" class="w-full cursor-pointer bg-gray-200 text-gray-700 font-semibold py-3 px-4 rounded-lg inline-flex items-center justify-center hover:bg-gray-300 transition duration-300">
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<svg class="w-6 h-6 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-8l-4-4m0 0L8 8m4-4v12"></path></svg>
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<span id="file-label">Select an X-ray Image</span>
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</label>
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<input id="file-upload" type="file" class="hidden" accept="image/*">
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</div>
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<!-- Image Preview -->
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<div id="image-preview-container" class="mt-6 text-center hidden">
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<p class="text-sm font-medium text-gray-600 mb-2">Image Preview:</p>
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<img id="image-preview" src="#" alt="Image preview" class="max-w-xs mx-auto rounded-lg shadow-md"/>
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</div>
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<!-- Predict Button -->
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<div class="mt-8">
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<button id="predict-button" class="w-full bg-blue-600 text-white font-bold py-3 px-4 rounded-lg hover:bg-blue-700 focus:outline-none focus:ring-4 focus:ring-blue-300 transition duration-300 disabled:bg-gray-400 disabled:cursor-not-allowed" disabled>
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Upload & Predict
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</button>
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</div>
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<!-- Results Section -->
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<div id="results" class="mt-8 text-center hidden">
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<!-- Spinner -->
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<div id="loader" class="loader mx-auto hidden"></div>
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<!-- Result Text -->
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<div id="result-text" class="mt-4 p-4 rounded-lg"></div>
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</div>
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<!-- Error Message -->
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<div id="error-message" class="mt-6 text-center text-red-600 font-semibold hidden"></div>
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</div>
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<script>
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const fileUpload = document.getElementById('file-upload');
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const fileLabel = document.getElementById('file-label');
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const imagePreviewContainer = document.getElementById('image-preview-container');
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const imagePreview = document.getElementById('image-preview');
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const predictButton = document.getElementById('predict-button');
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const resultsDiv = document.getElementById('results');
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const resultText = document.getElementById('result-text');
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const loader = document.getElementById('loader');
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const errorMessage = document.getElementById('error-message');
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let selectedFile = null;
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// Listen for file selection
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fileUpload.addEventListener('change', (event) => {
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selectedFile = event.target.files[0];
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if (selectedFile) {
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// Update label text
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fileLabel.textContent = selectedFile.name;
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// Show image preview
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const reader = new FileReader();
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reader.onload = (e) => {
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imagePreview.src = e.target.result;
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imagePreviewContainer.classList.remove('hidden');
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};
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reader.readAsDataURL(selectedFile);
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// Enable predict button
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predictButton.disabled = false;
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// Reset previous results
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resultsDiv.classList.add('hidden');
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errorMessage.classList.add('hidden');
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}
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});
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// Listen for predict button click
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predictButton.addEventListener('click', async () => {
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if (!selectedFile) return;
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// Prepare for API call
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const formData = new FormData();
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formData.append('file', selectedFile);
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// Show loading spinner and hide previous results
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resultsDiv.classList.remove('hidden');
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loader.classList.remove('hidden');
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resultText.classList.add('hidden');
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errorMessage.classList.add('hidden');
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predictButton.disabled = true;
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try {
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// IMPORTANT: This assumes your FastAPI server is running on http://127.0.0.1:8000
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const response = await fetch('http://127.0.0.1:8000/predict', {
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method: 'POST',
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body: formData,
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});
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if (!response.ok) {
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const errorData = await response.json();
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throw new Error(errorData.detail || `Server error: ${response.statusText}`);
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}
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const data = await response.json();
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// Display the result
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displayResult(data);
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} catch (error) {
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// Display error message
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console.error('Error:', error);
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errorMessage.textContent = `Error: Could not connect to the API or the file is invalid. Make sure the server is running. Details: ${error.message}`;
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errorMessage.classList.remove('hidden');
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resultsDiv.classList.add('hidden');
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} finally {
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// Hide loader and re-enable button
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loader.classList.add('hidden');
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predictButton.disabled = false;
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}
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});
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function displayResult(data) {
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const prediction = data.prediction;
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const confidence = parseFloat(data.confidence) * 100;
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// Clear previous styles
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resultText.classList.remove('bg-green-100', 'text-green-800', 'bg-red-100', 'text-red-800', 'bg-yellow-100', 'text-yellow-800');
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let resultHTML = `<p class="text-xl font-bold">Prediction: <span class="capitalize">${prediction}</span></p>
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<p class="text-md mt-1">Confidence: ${confidence.toFixed(2)}%</p>`;
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// Style based on prediction
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if (prediction.toLowerCase().includes('fracture')) {
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resultText.classList.add('bg-red-100', 'text-red-800');
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} else {
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resultText.classList.add('bg-green-100', 'text-green-800');
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}
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resultText.innerHTML = resultHTML;
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resultText.classList.remove('hidden');
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}
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</script>
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</body>
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</html>
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main.py
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import fastapi
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from fastapi import File, UploadFile, HTTPException
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from fastapi.middleware.cors import CORSMiddleware # Added for frontend communication
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import uvicorn
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import pickle
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import numpy as np
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import tensorflow as tf
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from PIL import Image
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import io
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import os
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# --- Basic FastAPI App Setup ---
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app = fastapi.FastAPI(
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title="X-ray Fracture Detection API",
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description="An API to predict bone fractures from X-ray images.",
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version="1.0.0"
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)
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# --- CORS (Cross-Origin Resource Sharing) Middleware ---
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# This is the new section that fixes the "Failed to fetch" error.
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# It allows your HTML frontend to communicate with this Python backend.
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"], # Allows all origins
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allow_credentials=True,
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allow_methods=["*"], # Allows all methods (GET, POST, etc.)
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allow_headers=["*"], # Allows all headers
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)
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# --- Loading the Model and Class Indices ---
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| 31 |
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# Note: Ensure these .pkl files are in the same directory as this script.
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| 32 |
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MODEL_PATH = 'fracture_detection_model.pkl'
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| 33 |
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CLASS_INDICES_PATH = 'class_indices.pkl'
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| 34 |
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| 35 |
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# Check if model files exist before loading
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| 36 |
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if not os.path.exists(MODEL_PATH) or not os.path.exists(CLASS_INDICES_PATH):
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| 37 |
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raise RuntimeError(f"Model or class indices files not found. Please ensure '{MODEL_PATH}' and '{CLASS_INDICES_PATH}' are in the correct directory.")
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| 38 |
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| 39 |
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# Load the trained model
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| 40 |
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try:
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| 41 |
+
with open(MODEL_PATH, 'rb') as f:
|
| 42 |
+
model = pickle.load(f)
|
| 43 |
+
except Exception as e:
|
| 44 |
+
raise RuntimeError(f"Error loading the model: {e}")
|
| 45 |
+
|
| 46 |
+
# Load the class indices
|
| 47 |
+
try:
|
| 48 |
+
with open(CLASS_INDICES_PATH, 'rb') as f:
|
| 49 |
+
class_indices = pickle.load(f)
|
| 50 |
+
# Invert the dictionary to map index to class name
|
| 51 |
+
class_names = {v: k for k, v in class_indices.items()}
|
| 52 |
+
except Exception as e:
|
| 53 |
+
raise RuntimeError(f"Error loading class indices: {e}")
|
| 54 |
+
|
| 55 |
+
print("--- Model and class indices loaded successfully! ---")
|
| 56 |
+
|
| 57 |
+
# --- Image Preprocessing Function ---
|
| 58 |
+
def preprocess_image(image_bytes: bytes, target_size=(150, 150)) -> np.ndarray:
|
| 59 |
+
"""
|
| 60 |
+
Preprocesses the uploaded image to match the model's input requirements.
|
| 61 |
+
"""
|
| 62 |
+
try:
|
| 63 |
+
# Open the image from bytes
|
| 64 |
+
img = Image.open(io.BytesIO(image_bytes))
|
| 65 |
+
|
| 66 |
+
# Ensure image is in RGB format
|
| 67 |
+
if img.mode != "RGB":
|
| 68 |
+
img = img.convert("RGB")
|
| 69 |
+
|
| 70 |
+
# Resize the image
|
| 71 |
+
img = img.resize(target_size)
|
| 72 |
+
|
| 73 |
+
# Convert image to numpy array and scale pixel values
|
| 74 |
+
img_array = tf.keras.preprocessing.image.img_to_array(img)
|
| 75 |
+
img_array = img_array / 255.0
|
| 76 |
+
|
| 77 |
+
# Expand dimensions to create a batch of 1
|
| 78 |
+
img_batch = np.expand_dims(img_array, axis=0)
|
| 79 |
+
return img_batch
|
| 80 |
+
except Exception as e:
|
| 81 |
+
# Raise an HTTPException for bad image data
|
| 82 |
+
raise HTTPException(status_code=400, detail=f"Image preprocessing failed: {e}")
|
| 83 |
+
|
| 84 |
+
|
| 85 |
+
# --- Prediction Endpoint ---
|
| 86 |
+
@app.post("/predict")
|
| 87 |
+
async def predict(file: UploadFile = File(...)):
|
| 88 |
+
"""
|
| 89 |
+
Accepts an X-ray image file and returns the predicted fracture type.
|
| 90 |
+
"""
|
| 91 |
+
# 1. Read the image file uploaded by the user
|
| 92 |
+
image_bytes = await file.read()
|
| 93 |
+
|
| 94 |
+
# 2. Preprocess the image to prepare it for the model
|
| 95 |
+
processed_image = preprocess_image(image_bytes)
|
| 96 |
+
|
| 97 |
+
# 3. Make a prediction using the loaded model
|
| 98 |
+
prediction = model.predict(processed_image)
|
| 99 |
+
|
| 100 |
+
# 4. Process the prediction result
|
| 101 |
+
# Find the index of the highest probability
|
| 102 |
+
predicted_index = np.argmax(prediction[0])
|
| 103 |
+
# Get the corresponding class name
|
| 104 |
+
predicted_class = class_names[predicted_index]
|
| 105 |
+
# Get the confidence score
|
| 106 |
+
confidence = float(prediction[0][predicted_index])
|
| 107 |
+
|
| 108 |
+
# 5. Return the result in a JSON format
|
| 109 |
+
return {
|
| 110 |
+
"prediction": predicted_class,
|
| 111 |
+
"confidence": f"{confidence:.2f}"
|
| 112 |
+
}
|
| 113 |
+
|
| 114 |
+
# --- Root Endpoint ---
|
| 115 |
+
@app.get("/")
|
| 116 |
+
def read_root():
|
| 117 |
+
return {"message": "Welcome to the Fracture Detection API. Please use the /docs endpoint for more information."}
|
| 118 |
+
|
| 119 |
+
# --- To run this application ---
|
| 120 |
+
# 1. Install necessary libraries: pip install fastapi "uvicorn[standard]" tensorflow numpy Pillow python-multipart
|
| 121 |
+
# 2. Save your .pkl files in the same directory as this script.
|
| 122 |
+
# 3. Run from your terminal: uvicorn main:app --reload
|
| 123 |
+
|
new.py
ADDED
|
@@ -0,0 +1,28 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
import pickle
|
| 2 |
+
|
| 3 |
+
# Define the path to your pickle file
|
| 4 |
+
file_path = 'class_indices.pkl'
|
| 5 |
+
|
| 6 |
+
try:
|
| 7 |
+
# Open the file in binary read mode ('rb')
|
| 8 |
+
with open(file_path, 'rb') as f:
|
| 9 |
+
# Load the data from the file
|
| 10 |
+
class_indices = pickle.load(f)
|
| 11 |
+
|
| 12 |
+
# The number of classes is the length of the dictionary/list
|
| 13 |
+
num_classes = len(class_indices)
|
| 14 |
+
|
| 15 |
+
print(f"✅ Found {num_classes} classes in '{file_path}'.")
|
| 16 |
+
|
| 17 |
+
# Optional: Print the first 5 class mappings to see what they look like
|
| 18 |
+
if isinstance(class_indices, dict):
|
| 19 |
+
print("\nHere are a few examples:")
|
| 20 |
+
for i, (class_name, index) in enumerate(class_indices.items()):
|
| 21 |
+
if i >= 5:
|
| 22 |
+
break
|
| 23 |
+
print(f" - '{class_name}': {index}")
|
| 24 |
+
|
| 25 |
+
except FileNotFoundError:
|
| 26 |
+
print(f"❌ Error: The file '{file_path}' was not found.")
|
| 27 |
+
except Exception as e:
|
| 28 |
+
print(f"An error occurred: {e}")
|