Update functions description (#18050)

ultralytics/solutions/heatmap.py

@@ -27,12 +27,8 @@ class Heatmap(ObjectCounter):
     Examples:
         >>> from ultralytics.solutions import Heatmap
         >>> heatmap = Heatmap(model="yolov8n.pt", colormap=cv2.COLORMAP_JET)
-        >>> results = heatmap("path/to/video.mp4")
-        >>> for result in results:
-        ...     print(result.speed)  # Print inference speed
-        ...     cv2.imshow("Heatmap", result.plot())
-        ...     if cv2.waitKey(1) & 0xFF == ord("q"):
-        ...         break
+        >>> frame = cv2.imread("frame.jpg")
+        >>> processed_frame = heatmap.generate_heatmap(frame)
     """
 
     def __init__(self, **kwargs):

ultralytics/solutions/queue_management.py

@@ -27,10 +27,13 @@ class QueueManager(BaseSolution):
         display_output: Displays the processed output.
 
     Examples:
-        >>> queue_manager = QueueManager(source="video.mp4", region=[100, 100, 200, 200, 300, 300])
-        >>> for frame in video_stream:
-        ...     processed_frame = queue_manager.process_queue(frame)
-        ...     cv2.imshow("Queue Management", processed_frame)
+        >>> cap = cv2.VideoCapture("Path/to/video/file.mp4")
+        >>> queue_manager = QueueManager(region=[100, 100, 200, 200, 300, 300])
+        >>> while cap.isOpened():
+        >>>     success, im0 = cap.read()
+        >>>     if not success:
+        >>>         break
+        >>>     out = queue.process_queue(im0)
     """
 
     def __init__(self, **kwargs):