Merge pull request 'detached' (#1) from detached into main

Reviewed-on: #1

alpr_api.py

@@ -2,6 +2,7 @@ import json
 import os
 import sys
 import threading
+import time
 from time import sleep
 
 import ultimateAlprSdk
@@ -126,6 +127,7 @@ def create_rest_server_flask():
     def alpr(domain, module):
         # Only care about the ALPR endpoint
         if domain == 'image' and module == 'alpr':
+            interference = time.time()
             if 'upload' not in request.files:
                 return jsonify({'error': 'No image found'})
 
@@ -134,9 +136,65 @@ def create_rest_server_flask():
                 return jsonify({'error': 'No selected file'})
 
             image = Image.open(image)
-            result = process_image(image)
-            result = convert_to_cpai_compatible(result)
+            result = convert_to_cpai_compatible(process_image(image))
 
+            if len(result['predictions']) == 0:
+                print("No plate found in the image, trying to split the image")
+
+                predictions_found = []
+
+                width, height = image.size
+                cell_width = width // 3
+                cell_height = height // 3
+
+                # Define which cells to process (2, 4, 5, 6, 8, 9)
+                cells_to_process = [2, 4, 5, 6, 8, 9]
+
+                # Loop through each cell
+                for cell_index in range(1, 10):
+                    # Calculate row and column of the cell
+                    row = (cell_index - 1) // 3
+                    col = (cell_index - 1) % 3
+
+                    # Calculate bounding box of the cell
+                    left = col * cell_width
+                    upper = row * cell_height
+                    right = left + cell_width
+                    lower = upper + cell_height
+
+                    # Check if this cell should be processed
+                    if cell_index in cells_to_process:
+                        # Extract the cell as a new image
+                        cell_image = image.crop((left, upper, right, lower))
+
+                        result_cell = json.loads(process_image(cell_image))
+
+                        if 'plates' in result_cell:
+                            for plate in result_cell['plates']:
+                                warpedBox = plate['warpedBox']
+                                x_coords = warpedBox[0::2]
+                                y_coords = warpedBox[1::2]
+                                x_min = min(x_coords) + left
+                                x_max = max(x_coords) + left
+                                y_min = min(y_coords) + upper
+                                y_max = max(y_coords) + upper
+
+                                predictions_found.append({
+                                    'confidence': plate['confidences'][0] / 100,
+                                    'label': "Plate: " + plate['text'],
+                                    'plate': plate['text'],
+                                    'x_min': x_min,
+                                    'x_max': x_max,
+                                    'y_min': y_min,
+                                    'y_max': y_max
+                                })
+
+                if len(predictions_found) > 0:
+                    # add the prediction with the highest confidence
+                    result['predictions'].append(max(predictions_found, key=lambda x: x['confidence']))
+
+            result['processMs'] = round((time.time() - interference) * 1000, 2)
+            result['inferenceMs'] = result['processMs'] # same as processMs
             return jsonify(result)
         else:
             return jsonify({'error': 'Endpoint not implemented'}), 404

static/styles.css

@@ -1,25 +0,0 @@
-body {
-    font-family: 'Arial', sans-serif;
-    background-color: #f4f4f9;
-    margin: 0;
-    padding: 0;
-}
-
-.container {
-    background: #fff;
-    padding: 20px;
-    border-radius: 10px;
-    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
-    max-width: 600px;
-    margin: auto;
-}
-
-h1, h2 {
-    color: #333;
-}
-
-pre {
-    background-color: #f8f9fa;
-    border: 1px solid #ddd;
-    border-radius: 5px;
-}

templates/index.html

@@ -5,44 +5,45 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Image Upload</title>
     <script src="https://cdn.tailwindcss.com"></script>
-    <link rel="stylesheet" href="{{ url_for('static', filename='styles.css') }}">
+    <!-- Include Google Sans font -->
     <link href="https://fonts.googleapis.com/css2?family=Google+Sans:wght@400;500;700&display=swap" rel="stylesheet">
     <style>
         body {
             background-color: #f0f2f5;
-            background-image: radial-gradient(#ffffff 1px, rgba(0, 0, 0, 0) 1px);
+            background-image: radial-gradient(#7c7c7c 1px, rgba(0, 0, 0, 0) 1px);
             background-size: 20px 20px;
-            font-family: 'Google Sans', sans-serif; /* Apply Roboto font to the entire page */
+            font-family: 'Google Sans', sans-serif; /* Apply Google Sans font to the entire page */
         }
     </style>
 </head>
-<body class="bg-gray-100 flex items-center justify-center h-screen">
+<body class="bg-neutral-100 dark:bg-neutral-900 dark:text-white flex items-center justify-center h-screen">
     <!-- Logo -->
     <div class="absolute top-4 left-4">
-        <img src="{{ url_for('static', filename='logo.webp') }}" alt="Logo" class="h-12">
+        <img id="logo" src="{{ url_for('static', filename='logo_black.webp') }}" alt="Logo" class="h-12 dark:hidden">
+        <img id="logoDark" src="{{ url_for('static', filename='logo_white.webp') }}" alt="Logo" class="h-12 hidden dark:block">
     </div>
 
-    <div class="bg-white p-6 rounded-lg shadow-lg w-full max-w-md relative">
-        <h1 class="text-2xl font-bold mb-4 text-center">Upload Image for ALPR</h1>
+    <div class="bg-white dark:bg-neutral-800 p-6 rounded-lg shadow-lg w-full max-w-md relative">
+        <h1 class="text-2xl font-bold mb-4 text-center dark:text-gray-200">Upload Image for ALPR</h1>
         <form id="uploadForm" enctype="multipart/form-data" class="space-y-4">
             <div>
-                <label for="upload" class="block text-sm font-medium text-gray-700">Choose an image:</label>
+                <label for="upload" class="block text-sm font-medium text-gray-700 dark:text-gray-300">Choose an image:</label>
                 <div class="mt-1 flex items-center">
                     <input type="file" id="upload" name="upload" accept="image/*" class="hidden" onchange="updateFileName()">
-                    <label for="upload" class="cursor-pointer inline-flex items-center justify-center px-4 py-2 border border-gray-300 rounded-md shadow-sm text-sm font-medium text-gray-700 bg-white hover:bg-gray-50">
+                    <label for="upload" class="cursor-pointer inline-flex items-center justify-center px-4 py-2 border border-gray-400 rounded-md shadow-sm text-sm font-medium text-gray-700 dark:text-gray-300 bg-white dark:bg-neutral-800 hover:bg-neutral-50 dark:hover:bg-neutral-600">
                         Select file
                     </label>
-                    <span id="fileName" class="ml-2 text-sm text-gray-600"></span>
+                    <span id="fileName" class="ml-2 text-sm text-gray-600 dark:text-gray-300"></span>
                 </div>
             </div>
             <div id="imagePreview" class="mt-4 hidden">
                 <img id="previewImage" src="#" alt="Preview" class="max-w-full h-auto rounded-lg">
             </div>
-            <button type="submit" class="w-full py-2 px-4 bg-blue-600 text-white font-semibold rounded-md shadow-sm hover:bg-blue-700">Upload</button>
+            <button type="submit" class="w-full py-2 px-4 bg-black text-white font-semibold rounded-md shadow-sm hover:bg-neutral-900 dark:bg-neutral-900 dark:hover:bg-neutral-950">Upload</button>
         </form>
         <div class="mt-6">
-            <h2 class="text-xl font-semibold mb-2">Response</h2>
-            <pre id="responseBox" class="bg-gray-100 p-4 border rounded-lg text-sm text-gray-800"></pre>
+            <h2 class="text-xl font-semibold mb-2 dark:text-gray-200">Response</h2>
+            <pre id="responseBox" class="bg-neutral-100 dark:bg-neutral-900 p-4 border rounded-lg text-sm text-gray-900 dark:text-gray-200"></pre>
         </div>
     </div>
 
@@ -68,6 +69,26 @@
             }
         }
 
+        // Check for dark mode and switch logo accordingly
+        const prefersDarkScheme = window.matchMedia("(prefers-color-scheme: dark)");
+        function toggleLogo() {
+            const logo = document.getElementById('logo');
+            const logoDark = document.getElementById('logoDark');
+            if (prefersDarkScheme.matches) {
+                logo.style.display = 'none';
+                logoDark.style.display = 'block';
+            } else {
+                logo.style.display = 'block';
+                logoDark.style.display = 'none';
+            }
+        }
+
+        // Initial call to set logo based on dark mode preference
+        toggleLogo();
+
+        // Listen for changes in dark mode preference
+        prefersDarkScheme.addEventListener('change', toggleLogo);
+
         $(document).ready(function () {
             $('#uploadForm').on('submit', function (e) {
                 e.preventDefault();