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only set thumbnail data if object is a true positive

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This commit is contained in:
Blake Blackshear 2020-11-14 16:23:10 -06:00
parent 0cf78277b5
commit d56710b0b5
1 changed files with 11 additions and 18 deletions
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13
frigate/object_processing.py
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@ -69,13 +69,7 @@ class TrackedObject():
self.entered_zones = set() self.entered_zones = set()
self.false_positive = True self.false_positive = True
self.top_score = self.computed_score = 0.0 self.top_score = self.computed_score = 0.0
self.thumbnail_data = { self.thumbnail_data = None
'frame_time': obj_data['frame_time'],
'box': obj_data['box'],
'area': obj_data['area'],
'region': obj_data['region'],
'score': obj_data['score']
}
self.frame = None self.frame = None
self._snapshot_jpg_time = 0 self._snapshot_jpg_time = 0
ret, jpg = cv2.imencode('.jpg', np.zeros((300,300,3), np.uint8)) ret, jpg = cv2.imencode('.jpg', np.zeros((300,300,3), np.uint8))
@ -118,8 +112,9 @@ class TrackedObject():
self.top_score = self.computed_score self.top_score = self.computed_score
self.false_positive = self._is_false_positive() self.false_positive = self._is_false_positive()
if not self.false_positive:
# determine if this frame is a better thumbnail # determine if this frame is a better thumbnail
if is_better_thumbnail(self.thumbnail_data, self.obj_data, self.camera_config.frame_shape): if self.thumbnail_data is None or is_better_thumbnail(self.thumbnail_data, self.obj_data, self.camera_config.frame_shape):
self.thumbnail_data = { self.thumbnail_data = {
'frame_time': self.obj_data['frame_time'], 'frame_time': self.obj_data['frame_time'],
'box': self.obj_data['box'], 'box': self.obj_data['box'],
@ -311,7 +306,6 @@ class CameraState():
if (not updated_obj.false_positive if (not updated_obj.false_positive
and updated_obj.thumbnail_data['frame_time'] == frame_time and updated_obj.thumbnail_data['frame_time'] == frame_time
and frame_time not in self.frame_cache): and frame_time not in self.frame_cache):
logging.info(f"Adding {frame_time} to cache.")
self.frame_cache[frame_time] = np.copy(current_frame) self.frame_cache[frame_time] = np.copy(current_frame)
# call event handlers # call event handlers
@ -377,7 +371,6 @@ class CameraState():
current_best_frames = set([obj.thumbnail_data['frame_time'] for obj in self.best_objects.values()]) current_best_frames = set([obj.thumbnail_data['frame_time'] for obj in self.best_objects.values()])
thumb_frames_to_delete = [t for t in self.frame_cache.keys() if not t in current_thumb_frames and not t in current_best_frames] thumb_frames_to_delete = [t for t in self.frame_cache.keys() if not t in current_thumb_frames and not t in current_best_frames]
for t in thumb_frames_to_delete: for t in thumb_frames_to_delete:
logging.info(f"Removing {t} from cache.")
del self.frame_cache[t] del self.frame_cache[t]
with self.current_frame_lock: with self.current_frame_lock: