Update app.py

app.py

@@ -129,7 +129,7 @@ def process_image(job_id, image_path, object_type, multiplier):
             jobs[job_id]['progress'] = 60
 
             # (Optional) Detect ArUco marker for measurement
-            marker_real_width_cm = 10.0  
+            marker_real_width_cm = 5.0  
             try:
                 gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
                 aruco_dict = cv2.aruco.getPredefinedDictionary(cv2.aruco.DICT_6X6_250)