added yolo image object detection to /image

src/Python/YOLO/app.py

@@ -0,0 +1,41 @@
+from ultralytics import YOLO
+import cv2
+import numpy as np
+import requests
+import time
+
+model = YOLO("yolo11n.pt") 
+
+#try to fetch the image from the given url
+def fetch_image(url):
+    try:
+        response = requests.get(url)
+        response.raise_for_status()
+        image_array = np.frombuffer(response.content, np.uint8)
+        image = cv2.imdecode(image_array, cv2.IMREAD_COLOR)
+        return image
+    except requests.RequestException as e:
+        print(f"Error: Could not fetch image - {e}")
+        return None
+
+# URL of the photostream
+url = "http://145.92.224.21/image"
+
+while True:
+    frame = fetch_image(url)
+    if frame is None:
+        print("Error: Could not fetch image, retrying...")
+        time.sleep(1)  # Wait for 1 second before retrying
+        continue
+
+    # Predict on the frame
+    results = model(frame)
+
+    # Display the results
+    results[0].show()
+
+    # Exit if 'q' is pressed
+    if cv2.waitKey(1) & 0xFF == ord('q'):
+        break
+
+cv2.destroyAllWindows()

src/Python/flask/web/app.py

@@ -1,20 +1,44 @@
 from flask import Flask, Response, request, render_template, jsonify
 import paho.mqtt.client as mqtt
+from ultralytics import YOLO
+import cv2
+import numpy as np
 
 app = Flask(__name__)
 
+# Load a model
+model = YOLO("yolo11n.pt")  # pretrained YOLO11n model
+
+kobuki_message = ""
+latest_image = None
+yolo_results = []
+
 def on_message(client, userdata, message):
-    global kobuki_message, latest_image
+    global kobuki_message, latest_image, yolo_results
     if message.topic == "kobuki/data":
         kobuki_message = str(message.payload.decode("utf-8"))
     elif message.topic == "kobuki/cam":
-        latest_image = message.payload
-
+        latest_image = np.frombuffer(message.payload, np.uint8)
+        latest_image = cv2.imdecode(latest_image, cv2.IMREAD_COLOR)
+        # Process the image with YOLO
+        results = model(latest_image)
+        yolo_results = []
+        for result in results:
+            for box in result.boxes:
+                yolo_results.append({
+                    "class": box.cls,
+                    "confidence": box.conf,
+                    "bbox": box.xyxy.tolist()
+                })
+                # Draw bounding box on the image
+                x1, y1, x2, y2 = map(int, box.xyxy)
+                cv2.rectangle(latest_image, (x1, y1), (x2, y2), (0, 255, 0), 2)
+                cv2.putText(latest_image, f"{box.cls} {box.conf:.2f}", (x1, y1 - 10), cv2.FONT_HERSHEY_SIMPLEX, 0.9, (0, 255, 0), 2)
 
 # Create an MQTT client instance
 mqtt_client = mqtt.Client()
 mqtt_client.username_pw_set("server", "serverwachtwoordofzo")
-mqtt_client.connect("localhost", 1884, 60)
+mqtt_client.connect("localhost", 1883, 60)
 mqtt_client.loop_start()
 mqtt_client.subscribe("kobuki/data")
 mqtt_client.subscribe("kobuki/cam")
@@ -53,18 +77,15 @@ def data():
 def image():
     global latest_image
     if latest_image is not None:
-        return Response(latest_image, mimetype='image/jpeg')
+        _, buffer = cv2.imencode('.jpg', latest_image)
+        return Response(buffer.tobytes(), mimetype='image/jpeg')
     else:
         return "No image available", 404
 
-
-@app.route('/phpmyadmin/<path:path>')
-def phpmyadmin_passthrough(path):
-    # Laat Apache deze route direct afhandelen
-    return "", 404
-
-
-
+@app.route('/yolo_results', methods=['GET'])
+def yolo_results_endpoint():
+    global yolo_results
+    return jsonify(yolo_results)
 
 if __name__ == '__main__':
     app.run(debug=True, port=5000)