Update notebooks (#17260)

Co-authored-by: UltralyticsAssistant <web@ultralytics.com>

examples/heatmaps.ipynb

@@ -112,7 +112,7 @@
     "heatmap_obj = solutions.Heatmap(\n",
     "    colormap=cv2.COLORMAP_PARULA,  # Color of the heatmap\n",
     "    show=True,  # Display the image during processing\n",
-    "    model=yolo11n.pt,  # Ultralytics YOLO11 model file\n",
+    "    model=\"yolo11n.pt\",  # Ultralytics YOLO11 model file\n",
     ")\n",
     "\n",
     "while cap.isOpened():\n",

examples/object_counting.ipynb

@@ -123,7 +123,7 @@
     "counter = solutions.ObjectCounter(\n",
     "    show=True,  # Display the image during processing\n",
     "    region=line_points,  # Region of interest points\n",
-    "    model=yolo11n.pt,  # Ultralytics YOLO11 model file\n",
+    "    model=\"yolo11n.pt\",  # Ultralytics YOLO11 model file\n",
     "    line_width=2,  # Thickness of the lines and bounding boxes\n",
     ")\n",
     "\n",

examples/object_tracking.ipynb

@@ -176,7 +176,7 @@
     "\n",
     "        # Annotate each mask with its corresponding tracking ID and color\n",
     "        for mask, track_id in zip(masks, track_ids):\n",
-    "            annotator.seg_bbox(mask=mask, mask_color=colors(track_id, True), track_label=str(track_id))\n",
+    "            annotator.seg_bbox(mask=mask, mask_color=colors(int(track_id), True), label=str(track_id))\n",
     "\n",
     "    # Write the annotated frame to the output video\n",
     "    out.write(im0)\n",