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only draw during debug

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Blake Blackshear 2020-10-11 12:16:05 -05:00
parent 51251b9fb0
commit 76befc1249
2 changed files with 46 additions and 44 deletions
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6
detect_objects.py
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@ -427,8 +427,6 @@ def main():
if frame is None:
frame = np.zeros((720,1280,3), np.uint8)
frame = cv2.cvtColor(frame, cv2.COLOR_YUV2BGR_I420)
height = int(request.args.get('h', str(frame.shape[0])))
width = int(height*frame.shape[1]/frame.shape[0])
@ -445,12 +443,10 @@ def main():
while True:
# max out at specified FPS
time.sleep(1/fps)
frame = object_processor.get_current_frame(camera_name)
frame = object_processor.get_current_frame(camera_name, draw=True)
if frame is None:
frame = np.zeros((height,int(height*16/9),3), np.uint8)
frame = cv2.cvtColor(frame, cv2.COLOR_YUV2BGR_I420)
width = int(height*frame.shape[1]/frame.shape[0])
frame = cv2.resize(frame, dsize=(width, height), interpolation=cv2.INTER_LINEAR)

82
frigate/object_processing.py
View File

@ -64,9 +64,41 @@ class CameraState():
self.previous_frame_id = None
self.callbacks = defaultdict(lambda: [])
def get_current_frame(self):
def get_current_frame(self, draw=False):
with self.current_frame_lock:
return np.copy(self._current_frame)
frame_copy = np.copy(self._current_frame)
frame_time = self.current_frame_time
tracked_objects = copy.deepcopy(self.tracked_objects)
frame_copy = cv2.cvtColor(frame_copy, cv2.COLOR_YUV2BGR_I420)
# draw on the frame
if draw:
# draw the bounding boxes on the frame
for obj in tracked_objects.values():
thickness = 2
color = COLOR_MAP[obj['label']]
if obj['frame_time'] != frame_time:
thickness = 1
color = (255,0,0)
# draw the bounding boxes on the frame
box = obj['box']
draw_box_with_label(frame_copy, box[0], box[1], box[2], box[3], obj['label'], f"{int(obj['score']*100)}% {int(obj['area'])}", thickness=thickness, color=color)
# draw the regions on the frame
region = obj['region']
cv2.rectangle(frame_copy, (region[0], region[1]), (region[2], region[3]), (0,255,0), 1)
if self.config['snapshots']['show_timestamp']:
time_to_show = datetime.datetime.fromtimestamp(frame_time).strftime("%m/%d/%Y %H:%M:%S")
cv2.putText(frame_copy, time_to_show, (10, 30), cv2.FONT_HERSHEY_SIMPLEX, fontScale=.8, color=(255, 255, 255), thickness=2)
if self.config['snapshots']['draw_zones']:
for name, zone in self.config['zones'].items():
thickness = 8 if any([name in obj['zones'] for obj in tracked_objects.values()]) else 2
cv2.drawContours(frame_copy, [zone['contour']], -1, zone['color'], thickness)
return frame_copy
def false_positive(self, obj):
# once a true positive, always a true positive
@ -92,11 +124,7 @@ class CameraState():
self.current_frame_time = frame_time
# get the new frame and delete the old frame
frame_id = f"{self.name}{frame_time}"
with self.current_frame_lock:
self._current_frame = self.frame_manager.get(frame_id, (self.config['frame_shape'][0]*3//2, self.config['frame_shape'][1]))
if not self.previous_frame_id is None:
self.frame_manager.delete(self.previous_frame_id)
self.previous_frame_id = frame_id
current_frame = self.frame_manager.get(frame_id, (self.config['frame_shape'][0]*3//2, self.config['frame_shape'][1]))
current_ids = tracked_objects.keys()
previous_ids = self.tracked_objects.keys()
@ -159,33 +187,6 @@ class CameraState():
current_zones.append(name)
obj['zones'] = current_zones
# draw on the frame
if not self._current_frame is None:
# draw the bounding boxes on the frame
for obj in self.tracked_objects.values():
thickness = 2
color = COLOR_MAP[obj['label']]
if obj['frame_time'] != frame_time:
thickness = 1
color = (255,0,0)
# draw the bounding boxes on the frame
box = obj['box']
draw_box_with_label(self._current_frame, box[0], box[1], box[2], box[3], obj['label'], f"{int(obj['score']*100)}% {int(obj['area'])}", thickness=thickness, color=color)
# draw the regions on the frame
region = obj['region']
cv2.rectangle(self._current_frame, (region[0], region[1]), (region[2], region[3]), (0,255,0), 1)
if self.config['snapshots']['show_timestamp']:
time_to_show = datetime.datetime.fromtimestamp(frame_time).strftime("%m/%d/%Y %H:%M:%S")
cv2.putText(self._current_frame, time_to_show, (10, 30), cv2.FONT_HERSHEY_SIMPLEX, fontScale=.8, color=(255, 255, 255), thickness=2)
if self.config['snapshots']['draw_zones']:
for name, zone in self.config['zones'].items():
thickness = 8 if any([name in obj['zones'] for obj in self.tracked_objects.values()]) else 2
cv2.drawContours(self._current_frame, [zone['contour']], -1, zone['color'], thickness)
# maintain best objects
for obj in self.tracked_objects.values():
object_type = obj['label']
@ -199,12 +200,12 @@ class CameraState():
# if the object is a higher score than the current best score
# or the current object is older than desired, use the new object
if obj_copy['score'] > current_best['score'] or (now - current_best['frame_time']) > self.config.get('best_image_timeout', 60):
obj_copy['frame'] = np.copy(self._current_frame)
obj_copy['frame'] = np.copy(current_frame)
self.best_objects[object_type] = obj_copy
for c in self.callbacks['snapshot']:
c(self.name, self.best_objects[object_type])
else:
obj_copy['frame'] = np.copy(self._current_frame)
obj_copy['frame'] = np.copy(current_frame)
self.best_objects[object_type] = obj_copy
for c in self.callbacks['snapshot']:
c(self.name, self.best_objects[object_type])
@ -232,6 +233,11 @@ class CameraState():
for c in self.callbacks['snapshot']:
c(self.name, self.best_objects[obj_name])
with self.current_frame_lock:
self._current_frame = current_frame
if not self.previous_frame_id is None:
self.frame_manager.delete(self.previous_frame_id)
self.previous_frame_id = frame_id
class TrackedObjectProcessor(threading.Thread):
def __init__(self, camera_config, client, topic_prefix, tracked_objects_queue, event_queue, stop_event):
@ -328,8 +334,8 @@ class TrackedObjectProcessor(threading.Thread):
else:
return {}
def get_current_frame(self, camera):
return self.camera_states[camera].get_current_frame()
def get_current_frame(self, camera, draw=False):
return self.camera_states[camera].get_current_frame(draw)
def run(self):
while True: