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Initialize variables for obstruction detection
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# initialize the first frame in the video stream | |
# firstFrame = None | |
firstFrame = None | |
status_list = [None, None] | |
times = [] | |
timer = [] | |
df = pd.DataFrame(columns = ["Start","End", "duration_in_sec"]) | |
fps_start_time = datetime.now() | |
fps = 0 | |
total_frames = 0 | |
object_id_list = [] | |
dtime = dict() | |
dwell_time = dict() | |
allowable_duration = 10.0 # stipulated allowable duration for static obstruction in seconds | |
timestr = time.strftime("%H%M%S") | |
t = int(timestr) | |
filename = "sample_camera/file_%a.avi" % t | |
filename_d = "sample_camera/file_d_%a.avi" % t | |
fourcc = cv2.VideoWriter_fourcc(*'DIVX') | |
# variables for drawing ROI | |
points = [(919.2771084337348,417.8554216867469), | |
(1472,1079), | |
(818,1079), | |
(787.9518072289156,884.1204819277108), | |
(762.6506024096385,428.69879518072287)] | |
points_roi = polys | |
print(f'ROIS LOADED: \n{points_roi}') | |
""" | |
points = [(12.668639053254438, 281.6568047337278), | |
(115.62721893491124, 197.0414201183432), | |
(396.10059171597635, 193.49112426035504), | |
(519.1775147928994, 485.79881656804736), | |
(12.668639053254438, 495.85798816568047)] | |
""" | |
points_resized = (np.int32(np.int32(points)/2)) # rescale points as the frame is resized from 1920 px to 960 px | |
polygon = [np.int32(points)] | |
# initialize our centroid tracker and frame dimensions -- added for centroid tracker | |
ct = CentroidTracker() | |
(H, W) = (None, None) | |
# initialize colors | |
GREEN = (0 , 255, 0) | |
RED = (0, 0, 255) | |
BLUE = (255, 0 ,0) | |
BLACK = (0, 0, 0) | |
WHITE = (255, 255, 255) | |
# Define the codec and create VideoWriter object.The output is stored in 'output.avi' file. | |
out = cv2.VideoWriter(filename, fourcc, 25.0, (960, 540)) | |
out_det = cv2.VideoWriter(filename_d, fourcc, 25.0, (960, 540)) |
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