perf(uav): remove any low saliency detections from clustering

aipipeline/projects/uav/config/sdcat.ini

@@ -12,7 +12,7 @@ longitude = -121.7840
 # artifacts
 remove_corners = False
 # Minimum saliency of a detection to be considered for clustering; set to 0 to keep all detections
-min_saliency = 30
+min_saliency = 300
 # Alpha is a parameter that controls the linkage. Don't change it unless you know what you are doing.
 # See https://hdbscan.readthedocs.io/en/latest/parameter_selection.html
 alpha = 0.92