Make RF-DETR-Medium default model used in trackers package examples.

Author: SkalskiP

notebooks/how-to-track-objects-with-deepsort-tracker.ipynb

@@ -197,7 +197,7 @@
         "from inference import get_model\n",
         "from trackers import DeepSORTFeatureExtractor, DeepSORTTracker\n",
         "\n",
-        "model = get_model(\"yolov8m-640\")\n",
+        "model = get_model(\"rfdetr-medium\")\n",
         "\n",
         "feature_extractor = DeepSORTFeatureExtractor.from_timm(\n",
         "    model_name=\"mobilenetv4_conv_small.e1200_r224_in1k\")\n",

notebooks/how-to-track-objects-with-sort-tracker.ipynb

@@ -183,7 +183,7 @@
         "from inference import get_model\n",
         "from trackers import SORTTracker\n",
         "\n",
-        "model = get_model(\"yolov8m-640\")\n",
+        "model = get_model(\"rfdetr-medium\")\n",
         "tracker = SORTTracker()"
       ],
       "metadata": {