ultralytics 8.4.41 Fix SAM3 FP ghost IDs in video tracking (#24249)

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: Ultralytics Assistant <135830346+UltralyticsAssistant@users.noreply.github.com>
Co-authored-by: Jing Qiu <61612323+Laughing-q@users.noreply.github.com>
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>

ultralytics/__init__.py

@@ -1,6 +1,6 @@
 # Ultralytics 🚀 AGPL-3.0 License - https://ultralytics.com/license
 
-__version__ = "8.4.40"
+__version__ = "8.4.41"
 
 import importlib
 import os

ultralytics/models/sam/predict.py

@@ -2510,8 +2510,8 @@ class SAM3VideoSemanticPredictor(SAM3SemanticPredictor):
         hotstart_delay=0,
         hotstart_unmatch_thresh=3,
         hotstart_dup_thresh=3,
-        init_trk_keep_alive=30,
-        max_trk_keep_alive=30,
+        init_trk_keep_alive=10,
+        max_trk_keep_alive=10,
         min_trk_keep_alive=-4,
         # Threshold for suppressing overlapping objects based on recent occlusion
         suppress_overlapping_based_on_recent_occlusion_threshold=0.0,
@@ -2523,7 +2523,7 @@ class SAM3VideoSemanticPredictor(SAM3SemanticPredictor):
         max_num_objects=-1,
         recondition_every_nth_frame=-1,
         # masket confirmation status (to suppress unconfirmed masklets)
-        masklet_confirmation_enable=False,
+        masklet_confirmation_enable=True,
         # a masklet is confirmed after being consecutively detected and matched for
         # `masklet_confirmation_consecutive_det_thresh`
         masklet_confirmation_consecutive_det_thresh=3,
@@ -2726,7 +2726,7 @@ class SAM3VideoSemanticPredictor(SAM3SemanticPredictor):
         if self.masklet_confirmation_enable:
             status = metadata["masklet_confirmation"]["status"]
             is_unconfirmed = status == self.UNCONFIRMED
-            out["unconfirmed_obj_ids"] = tracker_metadata_new["obj_ids_all_gpu"][is_unconfirmed].tolist()
+            out["unconfirmed_obj_ids"] = tracker_metadata_new["obj_ids"][is_unconfirmed].tolist()
         else:
             out["unconfirmed_obj_ids"] = []
         return out