Merge branch 'main' into action-recog2

ultralytics/__init__.py

@@ -1,6 +1,6 @@
 # Ultralytics YOLO 🚀, AGPL-3.0 license
 
-__version__ = "8.3.0"
+__version__ = "8.3.1"
 
 import os
 

ultralytics/utils/checks.py

@@ -629,24 +629,24 @@ def collect_system_info():
 
 def check_amp(model):
     """
-    Checks the PyTorch Automatic Mixed Precision (AMP) functionality of a YOLOv8 model. If the checks fail, it means
+    Checks the PyTorch Automatic Mixed Precision (AMP) functionality of a YOLO11 model. If the checks fail, it means
     there are anomalies with AMP on the system that may cause NaN losses or zero-mAP results, so AMP will be disabled
     during training.
 
     Args:
-        model (nn.Module): A YOLOv8 model instance.
+        model (nn.Module): A YOLO11 model instance.
 
     Example:
         ```python
         from ultralytics import YOLO
         from ultralytics.utils.checks import check_amp
 
-        model = YOLO("yolov8n.pt").model.cuda()
+        model = YOLO("yolo11n.pt").model.cuda()
         check_amp(model)
         ```
 
     Returns:
-        (bool): Returns True if the AMP functionality works correctly with YOLOv8 model, else False.
+        (bool): Returns True if the AMP functionality works correctly with YOLO11 model, else False.
     """
     from ultralytics.utils.torch_utils import autocast
 
@@ -665,19 +665,19 @@ def check_amp(model):
 
     im = ASSETS / "bus.jpg"  # image to check
     prefix = colorstr("AMP: ")
-    LOGGER.info(f"{prefix}running Automatic Mixed Precision (AMP) checks with YOLOv8n...")
+    LOGGER.info(f"{prefix}running Automatic Mixed Precision (AMP) checks with YOLO11n...")
     warning_msg = "Setting 'amp=True'. If you experience zero-mAP or NaN losses you can disable AMP with amp=False."
     try:
         from ultralytics import YOLO
 
-        assert amp_allclose(YOLO("yolov8n.pt"), im)
+        assert amp_allclose(YOLO("yolo11n.pt"), im)
         LOGGER.info(f"{prefix}checks passed ✅")
     except ConnectionError:
-        LOGGER.warning(f"{prefix}checks skipped ⚠️, offline and unable to download YOLOv8n. {warning_msg}")
+        LOGGER.warning(f"{prefix}checks skipped ⚠️, offline and unable to download YOLO11n. {warning_msg}")
     except (AttributeError, ModuleNotFoundError):
         LOGGER.warning(
             f"{prefix}checks skipped ⚠️. "
-            f"Unable to load YOLOv8n due to possible Ultralytics package modifications. {warning_msg}"
+            f"Unable to load YOLO11n due to possible Ultralytics package modifications. {warning_msg}"
         )
     except AssertionError:
         LOGGER.warning(