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Use a recent time window for areas for autotracking zooming (#17150)

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Josh Hawkins 2025-03-14 10:09:16 -05:00 committed by GitHub
parent 2313b8ea05
commit d2368f5cbb
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1 changed files with 17 additions and 5 deletions
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frigate/ptz/autotrack.py
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@ -584,19 +584,31 @@ class PtzAutoTracker:
# Extract areas and calculate weighted average # Extract areas and calculate weighted average
# grab the largest dimension of the bounding box and create a square from that # grab the largest dimension of the bounding box and create a square from that
# Filter out the initial frame and use a recent time window
current_time = obj.obj_data["frame_time"]
time_window = 1.5 # seconds
history = [
entry
for entry in self.tracked_object_history[camera]
if not entry.get("is_initial_frame", False)
and current_time - entry["frame_time"] <= time_window
]
if not history: # Fallback to latest if no recent entries
history = [self.tracked_object_history[camera][-1]]
areas = [ areas = [
{ {
"frame_time": obj["frame_time"], "frame_time": entry["frame_time"],
"box": obj["box"], "box": entry["box"],
"area": max( "area": max(
obj["box"][2] - obj["box"][0], obj["box"][3] - obj["box"][1] entry["box"][2] - entry["box"][0], entry["box"][3] - entry["box"][1]
) )
** 2, ** 2,
} }
for obj in self.tracked_object_history[camera] for entry in history
] ]
filtered_areas = remove_outliers(areas) if len(areas) >= 2 else areas filtered_areas = remove_outliers(areas) if len(areas) > 3 else areas
# Filter entries that are not touching the frame edge # Filter entries that are not touching the frame edge
filtered_areas_not_touching_edge = [ filtered_areas_not_touching_edge = [