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add min person area per region

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This commit is contained in:
blakeblackshear 2019-02-25 06:48:01 -06:00
parent bf6d6c3796
commit 039782ad2e
1 changed files with 8 additions and 3 deletions
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11
detect_objects.py
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@ -200,13 +200,14 @@ def main():
regions = []
for region_string in REGIONS.split(':'):
region_parts = region_string.split(',')
region_mask_image = cv2.imread("/config/{}".format(region_parts[4]), cv2.IMREAD_GRAYSCALE)
region_mask_image = cv2.imread("/config/{}".format(region_parts[5]), cv2.IMREAD_GRAYSCALE)
region_mask = np.where(region_mask_image==[0])
regions.append({
'size': int(region_parts[0]),
'x_offset': int(region_parts[1]),
'y_offset': int(region_parts[2]),
'min_object_size': int(region_parts[3]),
'min_person_area': int(region_parts[3]),
'min_object_size': int(region_parts[4]),
'mask': region_mask,
# Event for motion detection signaling
'motion_detected': mp.Event(),
@ -260,6 +261,7 @@ def main():
region['motion_detected'],
frame_shape,
region['size'], region['x_offset'], region['y_offset'],
region['min_person_area'],
DEBUG))
detection_process.daemon = True
detection_processes.append(detection_process)
@ -405,7 +407,7 @@ def fetch_frames(shared_arr, shared_frame_time, frame_lock, frame_ready, frame_s
# do the actual object detection
def process_frames(shared_arr, object_queue, shared_frame_time, frame_lock, frame_ready,
motion_detected, frame_shape, region_size, region_x_offset, region_y_offset,
debug):
min_person_area, debug):
# shape shared input array into frame for processing
arr = tonumpyarray(shared_arr).reshape(frame_shape)
@ -441,6 +443,9 @@ def process_frames(shared_arr, object_queue, shared_frame_time, frame_lock, fram
# do the object detection
objects = detect_objects(cropped_frame_rgb, sess, detection_graph, region_size, region_x_offset, region_y_offset, debug)
for obj in objects:
# ignore persons below the size threshold
if obj['name'] == 'person' and (obj['xmax']-obj['xmin'])*(obj['ymax']-obj['ymin']) < min_person_area:
continue
obj['frame_time'] = frame_time
object_queue.put(obj)