def run():
# construct the argument parse and parse the arguments
ap = argparse.ArgumentParser()
ap.add_argument("-p", "--prototxt", required=False,
help="path to Caffe 'deploy' prototxt file")
ap.add_argument("-m", "--model", required=True,
help="path to Caffe pre-trained model")
ap.add_argument("-i", "--input", type=str,
help="path to optional input video file")
ap.add_argument("-o", "--output", type=str,
help="path to optional output video file")
# confidence default 0.4
ap.add_argument("-c", "--confidence", type=float, default=0.4,
help="minimum probability to filter weak detections")
ap.add_argument("-s", "--skip-frames", type=int, default=30,
help="# of skip frames between detections")
args = vars(ap.parse_args())
# initialize the list of class labels MobileNet SSD was trained to
# detect
CLASSES = ["background", "aeroplane", "bicycle", "bird", "boat",
"bottle", "bus", "car", "cat", "chair", "cow", "diningtable",
"dog", "horse", "motorbike", "person", "pottedplant", "sheep",
"sofa", "train", "tvmonitor"]
# load our serialized model from disk
net = cv2.dnn.readNetFromCaffe(args["prototxt"], args["model"])
# if a video path was not supplied, grab a reference to the ip camera
if not args.get("input", False):
print("[INFO] Starting the live stream..")
vs = VideoStream(config.url).start()
time.sleep(2.0)
# otherwise, grab a reference to the video file
else:
print("[INFO] Starting the video..")
vs = cv2.VideoCapture(args["input"])
# initialize the video writer (we'll instantiate later if need be)
writer = None
# initialize the frame dimensions (we'll set them as soon as we read
# the first frame from the video)
W = None
H = None
# instantiate our centroid tracker, then initialize a list to store
# each of our dlib correlation trackers, followed by a dictionary to
# map each unique object ID to a TrackableObject
ct = CentroidTracker(maxDisappeared=40, maxDistance=50)
trackers = []
trackableObjects = {}
# initialize the total number of frames processed thus far, along
# with the total number of objects that have moved either up or down
totalFrames = 0
totalDown = 0
totalUp = 0
x = []
empty=[]
empty1=[]
# start the frames per second throughput estimator
fps = FPS().start()
if config.Thread:
vs = thread.ThreadingClass(config.url)
# loop over frames from the video stream
while True:
# grab the next frame and handle if we are reading from either
# VideoCapture or VideoStream
frame = vs.read()
frame = frame[1] if args.get("input", False) else frame
# if we are viewing a video and we did not grab a frame then we
# have reached the end of the video
if args["input"] is not None and frame is None:
break
# resize the frame to have a maximum width of 500 pixels (the
# less data we have, the faster we can process it), then convert
# the frame from BGR to RGB for dlib
frame = imutils.resize(frame, width = 500)
rgb = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
# if the frame dimensions are empty, set them
if W is None or H is None:
(H, W) = frame.shape[:2]
# if we are supposed to be writing a video to disk, initialize
# the writer
if args["output"] is not None and writer is None:
fourcc = cv2.VideoWriter_fourcc(*"MJPG")
writer = cv2.VideoWriter(args["output"], fourcc, 30,
(W, H), True)
# initialize the current status along with our list of bounding
# box rectangles returned by either (1) our object detector or
# (2) the correlation trackers
status = "Waiting"
rects = []
# check to see if we should run a more computationally expensive
# object detection method to aid our tracker
if totalFrames % args["skip_frames"] == 0:
# set the status and initialize our new set of object trackers
status = "Detecting"
trackers = []
# convert the frame to a blob and pass the blob through the
# network and obtain the detections
blob = cv2.dnn.blobFromImage(frame, 0.007843, (W, H), 127.5)
net.setInput(blob)
detections = net.forward()
# loop over the detections
for i in np.arange(0, detections.shape[2]):
# extract the confidence (i.e., probability) associated
# with the prediction
confidence = detections[0, 0, i, 2]
# filter out weak detections by requiring a minimum
# confidence
if confidence > args["confidence"]:
# extract the index of the class label from the
# detections list
idx = int(detections[0, 0, i, 1])
# if the class label is not a person, ignore it
if CLASSES[idx] != "person":
continue
# compute the (x, y)-coordinates of the bounding box
# for the object
box = detections[0, 0, i, 3:7] * np.array([W, H, W, H])
(startX, startY, endX, endY) = box.astype("int")
# construct a dlib rectangle object from the bounding
# box coordinates and then start the dlib correlation
# tracker
tracker = dlib.correlation_tracker()
rect = dlib.rectangle(startX, startY, endX, endY)
tracker.start_track(rgb, rect)
# add the tracker to our list of trackers so we can
# utilize it during skip frames
trackers.append(tracker)
# otherwise, we should utilize our object *trackers* rather than
# object *detectors* to obtain a higher frame processing throughput
else:
# loop over the trackers
for tracker in trackers:
# set the status of our system to be 'tracking' rather
# than 'waiting' or 'detecting'
status = "Tracking"
# update the tracker and grab the updated position
tracker.update(rgb)
pos = tracker.get_position()
# unpack the position object
startX = int(pos.left())
startY = int(pos.top())
endX = int(pos.right())
endY = int(pos.bottom())
# add the bounding box coordinates to the rectangles list
rects.append((startX, startY, endX, endY))
# draw a horizontal line in the center of the frame -- once an
# object crosses this line we will determine whether they were
# moving 'up' or 'down'
cv2.line(frame, (0, H // 2), (W, H // 2), (0, 0, 0), 3)
cv2.putText(frame, "-Prediction border - Entrance-", (10, H - ((i * 20) + 200)),
cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0), 1)
# use the centroid tracker to associate the (1) old object
# centroids with (2) the newly computed object centroids
objects = ct.update(rects)
# loop over the tracked objects
for (objectID, centroid) in objects.items():
# check to see if a trackable object exists for the current
# object ID
to = trackableObjects.get(objectID, None)
# if there is no existing trackable object, create one
if to is None:
to = TrackableObject(objectID, centroid)
# otherwise, there is a trackable object so we can utilize it
# to determine direction
else:
# the difference between the y-coordinate of the *current*
# centroid and the mean of *previous* centroids will tell
# us in which direction the object is moving (negative for
# 'up' and positive for 'down')
y = [c[1] for c in to.centroids]
direction = centroid[1] - np.mean(y)
to.centroids.append(centroid)
# check to see if the object has been counted or not
if not to.counted:
# if the direction is negative (indicating the object
# is moving up) AND the centroid is above the center
# line, count the object
if direction < 0 and centroid[1] < H // 2:
totalUp += 1
empty.append(totalUp)
to.counted = True
# if the direction is positive (indicating the object
# is moving down) AND the centroid is below the
# center line, count the object
elif direction > 0 and centroid[1] > H // 2:
totalDown += 1
empty1.append(totalDown)
#print(empty1[-1])
x = []
# compute the sum of total people inside
x.append(len(empty1)-len(empty))
#print("Total people inside:", x)
# if the people limit exceeds over threshold, send an email alert
if sum(x) >= config.Threshold:
cv2.putText(frame, "-ALERT: People limit exceeded-", (10, frame.shape[0] - 80),
cv2.FONT_HERSHEY_COMPLEX, 0.5, (0, 0, 255), 2)
if config.ALERT:
print("[INFO] Sending email alert..")
Mailer().send(config.MAIL)
print("[INFO] Alert sent")
to.counted = True
# store the trackable object in our dictionary
trackableObjects[objectID] = to
# draw both the ID of the object and the centroid of the
# object on the output frame
text = "ID {}".format(objectID)
cv2.putText(frame, text, (centroid[0] - 10, centroid[1] - 10),
cv2.FONT_HERSHEY_SIMPLEX, 0.5, (255, 255, 255), 2)
cv2.circle(frame, (centroid[0], centroid[1]), 4, (255, 255, 255), -1)
# construct a tuple of information we will be displaying on the
info = [
("Exit", totalUp),
("Enter", totalDown),
("Status", status),
]
info2 = [
("Total people inside", x),
]
# Display the output
for (i, (k, v)) in enumerate(info):
text = "{}: {}".format(k, v)
cv2.putText(frame, text, (10, H - ((i * 20) + 20)), cv2.FONT_HERSHEY_SIMPLEX, 0.6, (0, 0, 0), 2)
for (i, (k, v)) in enumerate(info2):
text = "{}: {}".format(k, v)
cv2.putText(frame, text, (265, H - ((i * 20) + 60)), cv2.FONT_HERSHEY_SIMPLEX, 0.6, (255, 255, 255), 2)
# Initiate a simple log to save data at end of the day
if config.Log:
datetimee = [datetime.datetime.now()]
d = [datetimee, empty1, empty, x]
export_data = zip_longest(*d, fillvalue = '')
with open('Log.csv', 'w', newline='') as myfile:
wr = csv.writer(myfile, quoting=csv.QUOTE_ALL)
wr.writerow(("End Time", "In", "Out", "Total Inside"))
wr.writerows(export_data)
# show the output frame
cv2.imshow("Real-Time Monitoring/Analysis Window", frame)
key = cv2.waitKey(1) & 0xFF
# if the `q` key was pressed, break from the loop
if key == ord("q"):
break
# increment the total number of frames processed thus far and
# then update the FPS counter
totalFrames += 1
fps.update()
if config.Timer:
# Automatic timer to stop the live stream. Set to 8 hours (28800s).
t1 = time.time()
num_seconds=(t1-t0)
if num_seconds > 28800:
break
# stop the timer and display FPS information
fps.stop()
print("[INFO] elapsed time: {:.2f}".format(fps.elapsed()))
print("[INFO] approx. FPS: {:.2f}".format(fps.fps()))
# # if we are not using a video file, stop the camera video stream
# if not args.get("input", False):
# vs.stop()
#
# # otherwise, release the video file pointer
# else:
# vs.release()
# issue 15
if config.Thread:
vs.release()
# close any open windows
cv2.destroyAllWindows()
# centroid and the mean of *previous* centroids will tell
# us in which direction the object is moving (negative for
# 'up' and positive for 'down')
y = [c[1] for c in to.centroids]
direction = centroid[1] - np.mean(y)
to.centroids.append(centroid)
# check to see if the object has been counted or not
if not to.counted:
# if the direction is negative (indicating the object
# is moving up) AND the centroid is above the center
# line, count the object
if direction < 0 and centroid[1] < h // 2:
totalUp += 1
empty.append(totalUp)
to.counted = True
# if the direction is positive (indicating the object
# is moving down) AND the centroid is below the
# center line, count the object
elif direction > 0 and centroid[1] > h // 2:
totalDown += 1
empty1.append(totalDown)
#print(empty1[-1])
x_ = []
# compute the sum of total people inside
x_.append(len(empty1) - len(empty))
#print("Total people inside:", x)
# Optimise number below: 10, 50, 100, etc., indicate the max. people inside limit
# if the limit exceeds, send an email alert
# people_limit = 10
def run():
ap = argparse.ArgumentParser()
ap.add_argument("-p", "--prototxt", required=False,
help="path to Caffe 'deploy' prototxt file")
ap.add_argument("-m", "--model", required=True,
help="path to Caffe pre-trained model")
ap.add_argument("-i", "--input", type=str,
help="path to optional input video file")
ap.add_argument("-o", "--output", type=str,
help="path to optional output video file")
# confidence default 0.4
ap.add_argument("-c", "--confidence", type=float, default=0.4,
help="minimum probability to filter weak detections")
ap.add_argument("-s", "--skip-frames", type=int, default=30,
help="# of skip frames between detections")
args = vars(ap.parse_args())
CLASSES = ["background", "aeroplane", "bicycle", "bird", "boat",
"bottle", "bus", "car", "cat", "chair", "cow", "diningtable",
"dog", "horse", "motorbike", "person", "pottedplant", "sheep",
"sofa", "train", "tvmonitor"]
#Uolo v3 MobilenetSSD
net = cv2.dnn.readNetFromCaffe(args["prototxt"], args["model"])
if not args.get("input", False):
print("[INFO] Starting the live stream..")
vs = VideoStream(config.url).start()
time.sleep(2.0)
else:
print("[INFO] Starting the video..")
vs = cv2.VideoCapture(args["input"])
writer = None
W = None
H = None
ct = CentroidTracker(maxDisappeared=40, maxDistance=50)
trackers = []
trackableObjects = {}
totalFrames = 0
totalDown = 0
totalUp = 0
x = []
empty=[]
empty1=[]
fps = FPS().start()
if config.Thread:
vs = thread.ThreadingClass(config.url)
while True:
frame = vs.read()
frame = frame[1] if args.get("input", False) else frame
if args["input"] is not None and frame is None:
break
frame = imutils.resize(frame, width = 500)
rgb = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
if W is None or H is None:
(H, W) = frame.shape[:2]
# if we are supposed to be writing a video to disk, initialize
# the writer
if args["output"] is not None and writer is None:
fourcc = cv2.VideoWriter_fourcc(*"MJPG")
writer = cv2.VideoWriter(args["output"], fourcc, 30,
(W, H), True)
status = "Waiting"
rects = []
if totalFrames % args["skip_frames"] == 0:
status = "Detecting"
trackers = []
blob = cv2.dnn.blobFromImage(frame, 0.007843, (W, H), 127.5)
net.setInput(blob)
detections = net.forward()
# loop over the detections
for i in np.arange(0, detections.shape[2]):
confidence = detections[0, 0, i, 2]
if confidence > args["confidence"]:
idx = int(detections[0, 0, i, 1])
if CLASSES[idx] != "person":
continue
box = detections[0, 0, i, 3:7] * np.array([W, H, W, H])
(startX, startY, endX, endY) = box.astype("int")
# construct a dlib rectangle object from the bounding
tracker = dlib.correlation_tracker()
rect = dlib.rectangle(startX, startY, endX, endY)
tracker.start_track(rgb, rect)
trackers.append(tracker)
else:
for tracker in trackers:
status = "Tracking"
tracker.update(rgb)
pos = tracker.get_position()
# unpack the position object
startX = int(pos.left())
startY = int(pos.top())
endX = int(pos.right())
endY = int(pos.bottom())
rects.append((startX, startY, endX, endY))
cv2.line(frame, (0, H // 2), (W, H // 2), (0, 0, 0), 3)
cv2.putText(frame, "-Prediction border - Entrance-", (10, H - ((i * 20) + 200)),
cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0), 1)
cv2.putText(frame, datetime.datetime.now().strftime("%A %d %B %Y %I:%M:%S%p"),
(10, frame.shape[0] - 10), cv2.FONT_HERSHEY_SIMPLEX, 0.35, (0, 0, 255), 1)
objects = ct.update(rects)
# loop over the tracked objects
for (objectID, centroid) in objects.items():
to = trackableObjects.get(objectID, None)
if to is None:
to = TrackableObject(objectID, centroid)
else:
y = [c[1] for c in to.centroids]
direction = centroid[1] - np.mean(y)
to.centroids.append(centroid)
if not to.counted:
if direction < 0 and centroid[1] < H // 2:
totalUp += 1
empty.append(totalUp)
to.counted = True
elif direction > 0 and centroid[1] > H // 2:
totalDown += 1
empty1.append(totalDown)
#print(empty1[-1])
x = []
x.append(len(empty1)-len(empty))
#print("Total people inside:", x)
if sum(x) >= config.Threshold:
cv2.putText(frame, "-ALERT: People limit exceeded-", (10, frame.shape[0] - 80),
cv2.FONT_HERSHEY_COMPLEX, 0.5, (0, 0, 255), 2)
if config.ALERT:
print("[INFO] Sending email alert..")
Mailer().send(config.MAIL)
print("[INFO] Alert sent")
to.counted = True
trackableObjects[objectID] = to
text = "ID {}".format(objectID)
cv2.putText(frame, text, (centroid[0] - 10, centroid[1] - 10),
cv2.FONT_HERSHEY_SIMPLEX, 0.5, (255, 255, 255), 2)
cv2.circle(frame, (centroid[0], centroid[1]), 4, (255, 255, 255), -1)
info = [
("Exit", totalUp),
("Enter", totalDown),
("Status", status),
]
info2 = [
("Total people inside", x),
]
for (i, (k, v)) in enumerate(info):
text = "{}: {}".format(k, v)
cv2.putText(frame, text, (10, H - ((i * 20) + 20)), cv2.FONT_HERSHEY_SIMPLEX, 0.6, (0, 0, 0), 2)
for (i, (k, v)) in enumerate(info2):
text = "{}: {}".format(k, v)
cv2.putText(frame, text, (265, H - ((i * 20) + 60)), cv2.FONT_HERSHEY_SIMPLEX, 0.6, (255, 255, 255), 2)
if config.Log:
datetimee = [datetime.datetime.now()]
d = [datetimee, empty1, empty, x]
export_data = zip_longest(*d, fillvalue = '')
with open('Log.csv', 'w', newline='') as myfile:
wr = csv.writer(myfile, quoting=csv.QUOTE_ALL)
wr.writerow(("End Time", "In", "Out", "Total Inside"))
wr.writerows(export_data)
cv2.imshow("Real-Time Monitoring/Analysis Window", frame)
key = cv2.waitKey(1) & 0xFF
if key == ord("q"):
break
totalFrames += 1
fps.update()
if config.Timer:
t1 = time.time()
num_seconds=(t1-t0)
if num_seconds > 28800:
break
fps.stop()
print("[INFO] elapsed time: {:.2f}".format(fps.elapsed()))
print("[INFO] approx. FPS: {:.2f}".format(fps.fps()))
# if not args.get("input", False):
# vs.stop()
#
# # otherwise, release the video file pointer
# else:
# vs.release()
cv2.destroyAllWindows()
def read(self):
frame = self.frame
frame = imutils.resize(frame, width=500)
(locs, preds) = detect_and_predict_mask(frame, faceNet, predicator)
for (box, pred) in zip(locs, preds):
# unpack the bounding box and predictions
(startX, startY, endX, endY) = box
label_ = "Mask" if pred[0] > 0.7 else "No Mask"
color = (0, 255, 0) if label_ == "Mask" else (0, 0, 255)
# include the probability in the label
label = "{}: {:.2f}%".format(label_, pred[0] * 100)
# display the label and bounding box rectangle on the output
# frame
cv2.putText(
frame,
label,
(startX, startY - 10),
cv2.FONT_HERSHEY_SIMPLEX,
0.45,
color,
2,
)
cv2.rectangle(frame, (startX, startY), (endX, endY), color, 2)
rgb = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
if self.W is None or self.H is None:
(self.H, self.W) = frame.shape[:2]
status = "Waiting"
rects = []
if self.totalFrames % args["skip_frames"] == 0:
status = "Detecting"
self.trackers = []
blob = cv2.dnn.blobFromImage(frame, 0.007843, (self.W, self.H),
127.5)
net.setInput(blob)
detections = net.forward()
# loop over the detections
for i in np.arange(0, detections.shape[2]):
confidence = detections[0, 0, i, 2]
idx = int(detections[0, 0, i, 1])
if CLASSES[idx] != "person":
continue
box = detections[0, 0, i, 3:7] * np.array(
[self.W, self.H, self.W, self.H])
(startX, startY, endX, endY) = box.astype("int")
tracker = dlib.correlation_tracker()
rect = dlib.rectangle(startX, startY, endX, endY)
tracker.start_track(rgb, rect)
self.trackers.append(tracker)
else:
for tracker in self.trackers:
status = "Tracking"
tracker.update(rgb)
pos = tracker.get_position()
startX = int(pos.left())
startY = int(pos.top())
endX = int(pos.right())
endY = int(pos.bottom())
rects.append((startX, startY, endX, endY))
cv2.line(frame, (0, self.H // 2), (self.W, self.H // 2), (0, 0, 0), 3)
objects = self.ct.update(rects)
for (objectID, centroid) in objects.items():
to = self.trackableObjects.get(objectID, None)
if to is None:
to = TrackableObject(objectID, centroid)
else:
y = [c[1] for c in to.centroids]
direction = centroid[1] - np.mean(y)
to.centroids.append(centroid)
if not to.counted:
if direction < 0 and centroid[1] < self.H // 2:
self.totalUp += 1
self.empty.append(self.totalUp)
to.counted = True
elif direction > 0 and centroid[1] > self.H // 2:
self.totalDown += 1
self.empty1.append(self.totalDown)
self.x = []
self.x.append(len(self.empty1) - len(self.empty))
to.counted = True
self.trackableObjects[objectID] = to
text = "ID {}".format(objectID)
cv2.putText(
frame,
text,
(centroid[0] - 10, centroid[1] - 10),
cv2.FONT_HERSHEY_SIMPLEX,
0.5,
(255, 255, 255),
2,
)
cv2.circle(frame, (centroid[0], centroid[1]), 4, (255, 255, 255),
-1)
status = "door locked"
try:
if ((self.totalDown - self.totalUp) >=
self.max_people) or label_ == "No Mask":
status = "door locked"
elif label_ == "Mask":
status = "door opened"
except:
status = "door locked"
info = [
("Total people inside", (self.totalDown - self.totalUp)),
("Status", status),
]
for (i, (k, v)) in enumerate(info):
text = "{}: {}".format(k, v)
cv2.putText(
frame,
text,
(10, self.H - ((i * 20) + 20)),
cv2.FONT_HERSHEY_SIMPLEX,
0.6,
(0, 0, 0),
2,
)
d = {}
try:
info.append(("Mask state", label_))
except:
info.append(("Mask state", "empty"))
for (k, v) in info:
d[k] = v
HEADERSIZE = 10
msg = pickle.dumps(d)
msg = bytes(f"{len(msg):<{HEADERSIZE}}", "utf-8") + msg
self.conn.send(msg)
self.totalFrames += 1
self.fps.update()
return frame
def run():
# construir o argumento
ap = argparse.ArgumentParser()
ap.add_argument("-p",
"--prototxt",
required=False,
help="path to Caffe 'deploy' prototxt file")
ap.add_argument("-m",
"--model",
required=True,
help="path to Caffe pre-trained model")
ap.add_argument("-i",
"--input",
type=str,
help="path to optional input video file")
ap.add_argument("-o",
"--output",
type=str,
help="path to optional output video file")
# confidence default 0.4
ap.add_argument("-c",
"--confidence",
type=float,
default=0.4,
help="minimum probability to filter weak detections")
ap.add_argument("-s",
"--skip-frames",
type=int,
default=30,
help="# of skip frames between detections")
args = vars(ap.parse_args())
# inicializar a lista de rótulos de classe MobileNet SSD foi treinado para
# detect
CLASSES = [
"background", "aeroplane", "bicycle", "bird", "boat", "bottle", "bus",
"car", "cat", "chair", "cow", "diningtable", "dog", "horse",
"motorbike", "person", "pottedplant", "sheep", "sofa", "train",
"tvmonitor"
]
#carregar nosso modelo serializado do disco
net = cv2.dnn.readNetFromCaffe(args["prototxt"], args["model"])
# se um caminho de vídeo não foi fornecido, pegue uma referência para a câmera ip
if not args.get("input", False):
print("[INFO] Starting the live stream..")
vs = VideoStream(config.url).start()
time.sleep(2.0)
# caso contrário, pegue uma referência ao arquivo de vídeo
else:
print("[INFO] Starting the video..")
vs = cv2.VideoCapture(args["input"])
# inicializar o gravador de vídeo (vamos instanciar mais tarde, se necessário)
writer = None
# inicializar as dimensões do quadro (vamos defini-los assim que lermos
# o primeiro quadro do vídeo)
W = None
H = None
# instanciar nosso rastreador de centróide e inicializar uma lista para armazenar
# cada um de nossos rastreadores de correlação dlib, seguido por um dicionário para
# mapeia cada ID de objeto exclusivo para um TrackableObject
ct = CentroidTracker(maxDisappeared=40, maxDistance=50)
trackers = []
trackableObjects = {}
# credenciais do Firebase
firebaseConfig = {
"apiKey": "AIzaSyCCE4yveEuH_09vThP5U1J0Oi3d1-r2muY",
"authDomain": "teste-90925.firebaseapp.com",
"databaseURL": "https://teste-90925.firebaseio.com",
"projectId": "teste-90925",
"storageBucket": "teste-90925.appspot.com",
"messagingSenderId": "267430548654",
"appId": "1:267430548654:web:475cb40c90b836b32fc93f"
}
#inicializar o firebase
firebase = pyrebase.initialize_app(firebaseConfig)
# inicializa o número total de frames processados até agora, junto
# com o número total de objetos que se moveram para cima ou para baixo
totalFrames = 0
totalDown = 0
totalUp = 0
x = []
empty = []
empty1 = []
dados = firebase.database(
) # variavel para receber as informações do firebase
# iniciar o estimador de taxa de frames por segundo
fps = FPS().start()
if config.Thread:
vs = thread.ThreadingClass(config.url)
# faz um loop sobre os frames do stream de vídeo
while True:
# pega o próximo quadro e controla se estivermos lendo de qualquer
# VideoCapture ou VideoStream
frame = vs.read()
frame = frame[1] if args.get("input", False) else frame
# se estamos assistindo a um vídeo e não capturamos um quadro, então
# chegou ao final do vídeo
if args["input"] is not None and frame is None:
break
# redimensiona o quadro para ter uma largura máxima de 500 pixels (o
# menos dados temos, mais rápido podemos processá-los) e, em seguida, converter
# o quadro de BGR para RGB para dlib
frame = imutils.resize(frame, width=500)
rgb = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
# se as dimensões do quadro estiverem vazias, defina-as
if W is None or H is None:
(H, W) = frame.shape[:2]
# se deveríamos estar gravando um vídeo no disco, inicialize
# the writer
if args["output"] is not None and writer is None:
fourcc = cv2.VideoWriter_fourcc(*"MJPG")
writer = cv2.VideoWriter(args["output"], fourcc, 30, (W, H), True)
# inicializar o status atual junto com nossa lista de
# retângulos de caixa retornados por (1) nosso detector de objetos ou
# (2) os rastreadores de correlação
status = "Waiting"
rects = []
# verifique se devemos executar um computador
# método de detecção de objeto para ajudar nosso rastreador
if totalFrames % args["skip_frames"] == 0:
# set the status and initialize our new set of object trackers
status = "Detectando"
trackers = []
# converter o quadro em um blob
# rede e obter as detecções
blob = cv2.dnn.blobFromImage(frame, 0.007843, (W, H), 127.5)
net.setInput(blob)
detections = net.forward()
# loop nas detecções
for i in np.arange(0, detections.shape[2]):
# extrair a confiança (ou seja, probabilidade) associada
# com a previsão
confidence = detections[0, 0, i, 2]
# filter out weak detections by requiring a minimum
# confidence
if confidence > args["confidence"]:
# filtrar detecções fracas exigindo um mínimo
# confiança
idx = int(detections[0, 0, i, 1])
# se o rótulo da classe não for uma pessoa, ignore-o
if CLASSES[idx] != "person":
continue
# calcule as coordenadas (x, y) da caixa delimitadora
# para o objeto
box = detections[0, 0, i, 3:7] * np.array([W, H, W, H])
(startX, startY, endX, endY) = box.astype("int")
# constrói um objeto retângulo dlib a partir do limite
# box coordena e então inicia a correlação dlib
# rastreador
tracker = dlib.correlation_tracker()
rect = dlib.rectangle(startX, startY, endX, endY)
tracker.start_track(rgb, rect)
# adicione o rastreador à nossa lista de rastreadores para que possamos
# utilizá-lo durante pular quadros
trackers.append(tracker)
# caso contrário, devemos utilizar nossos objetos * rastreadores * em vez de
# objeto * detectores * para obter uma maior taxa de processamento de quadros
else:
# loop sobre os rastreadores
for tracker in trackers:
# definir o status do nosso sistema para 'rastreamento' em vez
# do que 'esperando' ou 'detectando'
status = "Rastreamento"
# atualize o rastreador e pegue a posição atualizada
tracker.update(rgb)
pos = tracker.get_position()
# desempacote o objeto de posição
startX = int(pos.left())
startY = int(pos.top())
endX = int(pos.right())
endY = int(pos.bottom())
# adicione as coordenadas da caixa delimitadora à lista de retângulos
rects.append((startX, startY, endX, endY))
# desenhe uma linha horizontal no centro do quadro - uma vez que
# objeto cruza esta linha, determinaremos se eles foram
# movendo 'para cima' ou 'para baixo'
cv2.line(frame, (0, H // 2), (W, H // 2), (0, 0, 0), 3)
cv2.putText(frame, "-Linha da Previsão - Entrada-",
(10, H - ((i * 20) + 200)), cv2.FONT_HERSHEY_SIMPLEX, 0.5,
(0, 0, 0), 1)
# use o rastreador de centróide para associar o (1) objeto antigo
# centróides com (2) os centróides de objeto recém-computados
objects = ct.update(rects)
# loop sobre os objetos rastreados
for (objectID, centroid) in objects.items():
# verifique se existe um objeto rastreável para o atual
# ID do objeto
to = trackableObjects.get(objectID, None)
# se não houver nenhum objeto rastreável existente, crie um
if to is None:
to = TrackableObject(objectID, centroid)
# caso contrário, há um objeto rastreável para que possamos utilizá-lo
# para determinar a direção
else:
# a diferença entre a coordenada y da * atual *
# centróide e a média dos * anteriores * centróides dirão
# em que direção o objeto está se movendo (negativo para 'para cima' e positivo para 'para baixo')
y = [c[1] for c in to.centroids]
direction = centroid[1] - np.mean(y)
to.centroids.append(centroid)
# verifique se o objeto foi contado ou não
if not to.counted:
# se a direção for negativa (indicando o objeto
# está se movendo para cima) E o centróide está acima do centro
# linha, conte o objeto
if direction < 0 and centroid[1] < H // 2:
totalUp += 1
empty.append(totalUp)
to.counted = True
# se a direção for positiva (indicando o objeto
# está se movendo para baixo) E o centróide está abaixo do
# linha central, conte o objeto
elif direction > 0 and centroid[1] > H // 2:
totalDown += 1
empty1.append(totalDown)
#print(empty1[-1])
x = []
# calcula a soma do total de pessoas dentro
x.append(len(empty1) - len(empty))
#print("Total people inside:", x)
# Otimize o número abaixo: 10, 50, 100, etc., indique o máx. pessoas dentro do limite
# se o limite exceder, envie um alerta por email
people_limit = 10
dados.child().update({"entrada": totalDown})
dados.child().update({"saida": totalUp})
if sum(x) == people_limit:
if config.ALERT:
print("[INFO] Sending email alert..")
Mailer().send(config.MAIL)
print("[INFO] Alert sent")
to.counted = True
# armazene o objeto rastreável em nosso dicionário
trackableObjects[objectID] = to
# desenha o ID do objeto e o centroide do
# objeto no quadro de saída
text = "ID {}".format(objectID)
cv2.putText(frame, text, (centroid[0] - 10, centroid[1] - 10),
cv2.FONT_HERSHEY_SIMPLEX, 0.5, (255, 255, 255), 2)
cv2.circle(frame, (centroid[0], centroid[1]), 4, (255, 255, 255),
-1)
#constrói as informações que serão exibidas no display
info = [
("Exit", totalUp),
("Enter", totalDown),
("Status", status),
]
info2 = [
("Total no momento", x),
]
# Exibir Saída
for (i, (k, v)) in enumerate(info):
text = "{}: {}".format(k, v)
cv2.putText(frame, text, (10, H - ((i * 20) + 20)),
cv2.FONT_HERSHEY_SIMPLEX, 0.6, (0, 0, 0), 2)
for (i, (k, v)) in enumerate(info2):
text = "{}: {}".format(k, v)
cv2.putText(frame, text, (265, H - ((i * 20) + 60)),
cv2.FONT_HERSHEY_SIMPLEX, 0.6, (255, 255, 255), 2)
# Inicie um registro simples para salvar os dados no final do dia
if config.Log:
datetimee = [datetime.datetime.now()]
d = [datetimee, empty1, empty, x]
export_data = zip_longest(*d, fillvalue='')
with open('Log.csv', 'w', newline='') as myfile:
wr = csv.writer(myfile, quoting=csv.QUOTE_ALL)
wr.writerow(("End Time", "In", "Out", "Total Inside"))
wr.writerows(export_data)
# show the output frame
cv2.imshow("Real-Time Monitoring/Analysis Window", frame)
key = cv2.waitKey(1) & 0xFF
# se a tecla `q` foi pressionada, interrompa o loop
if key == ord("q"):
break
# incrementa o número total de frames processados até agora e
# então atualize o contador FPS
totalFrames += 1
fps.update()
if config.Timer:
# Temporizador automático para parar a transmissão ao vivo. Defina para 8 horas (28800s).
t1 = time.time()
num_seconds = (t1 - t0)
if num_seconds > 28800:
break
# parar o cronômetro e exibir informações FPS
fps.stop()
print("[INFO] elapsed time: {:.2f}".format(fps.elapsed()))
print("[INFO] approx. FPS: {:.2f}".format(fps.fps()))
# # se não estivermos usando um arquivo de vídeo, pare o stream de vídeo da câmera
# se não for args.get ("input", False):
# vs.stop ()
#
# # caso contrário, solte o ponteiro do arquivo de vídeo
# outro:
# vs.release ()
# feche todas as janelas abertas
cv2.destroyAllWindows()
def gen_frames():
CLASSES = [
"background",
"aeroplane",
"bicycle",
"bird",
"boat",
"bottle",
"bus",
"car",
"cat",
"chair",
"cow",
"diningtable",
"dog",
"horse",
"motorbike",
"person",
"pottedplant",
"sheep",
"sofa",
"train",
"tvmonitor",
]
net = cv2.dnn.readNetFromCaffe(config.PROTOTXT, config.MODEL)
print("[INFO] Starting the live stream..")
vs = VideoStream(config.url).start()
# vs = cv2.VideoCapture(config.url)
time.sleep(2.0)
writer = None
W = None
H = None
ct = CentroidTracker(maxDisappeared=40, maxDistance=50)
trackers = []
trackableObjects = {}
totalFrames = 0
totalDown = 0
totalUp = 0
x = []
empty = []
empty1 = []
fps = FPS().start()
if config.Thread:
vs = thread.ThreadingClass(config.url)
while True:
frame = vs.read()
if frame is None:
break
frame = imutils.resize(frame, width=500)
# frame = cv2.resize(frame, (500, 500))
rgb = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
if W is None or H is None:
(H, W) = frame.shape[:2]
status = "Waiting"
rects = []
if totalFrames % config.Skip_frames == 0:
status = "Detecting"
trackers = []
blob = cv2.dnn.blobFromImage(frame, 0.007843, (W, H), 127.5)
net.setInput(blob)
detections = net.forward()
for i in np.arange(0, detections.shape[2]):
confidence = detections[0, 0, i, 2]
if confidence > config.Confidence:
idx = int(detections[0, 0, i, 1])
if CLASSES[idx] != "person":
continue
box = detections[0, 0, i, 3:7] * np.array([W, H, W, H])
(startX, startY, endX, endY) = box.astype("int")
tracker = dlib.correlation_tracker()
rect = dlib.rectangle(startX, startY, endX, endY)
tracker.start_track(rgb, rect)
trackers.append(tracker)
else:
for tracker in trackers:
status = "Tracking"
tracker.update(rgb)
pos = tracker.get_position()
startX = int(pos.left())
startY = int(pos.top())
endX = int(pos.right())
endY = int(pos.bottom())
rects.append((startX, startY, endX, endY))
cv2.line(frame, (0, H // 2), (W, H // 2), (0, 0, 0), 3)
cv2.putText(
frame,
"-Prediction border - Entrance-",
(10, H - ((i * 20) + 200)),
cv2.FONT_HERSHEY_SIMPLEX,
0.5,
(0, 0, 0),
1,
)
objects = ct.update(rects)
for (objectID, centroid) in objects.items():
to = trackableObjects.get(objectID, None)
if to is None:
to = TrackableObject(objectID, centroid)
else:
y = [c[1] for c in to.centroids]
direction = centroid[1] - np.mean(y)
to.centroids.append(centroid)
if not to.counted:
if direction < 0 and centroid[1] < H // 2:
totalUp += 1
empty.append(totalUp)
to.counted = True
elif direction > 0 and centroid[1] > H // 2:
totalDown += 1
empty1.append(totalDown)
x = []
x.append(len(empty1) - len(empty))
if sum(x) >= config.Threshold:
cv2.putText(
frame,
"-ALERT: People limit exceeded-",
(10, frame.shape[0] - 80),
cv2.FONT_HERSHEY_COMPLEX,
0.5,
(0, 0, 255),
2,
)
if config.ALERT:
print("[INFO] Sending email alert..")
Mailer().send(config.MAIL)
print("[INFO] Alert sent")
to.counted = True
trackableObjects[objectID] = to
text = "ID {}".format(objectID)
cv2.putText(
frame,
text,
(centroid[0] - 10, centroid[1] - 10),
cv2.FONT_HERSHEY_SIMPLEX,
0.5,
(255, 255, 255),
2,
)
cv2.circle(frame, (centroid[0], centroid[1]), 4, (255, 255, 255),
-1)
info = [
("Exit", totalUp),
("Enter", totalDown),
("Status", status),
]
info2 = [
("Total people inside", x),
]
for (i, (k, v)) in enumerate(info):
text = "{}: {}".format(k, v)
cv2.putText(
frame,
text,
(10, H - ((i * 20) + 20)),
cv2.FONT_HERSHEY_SIMPLEX,
0.6,
(0, 0, 0),
2,
)
for (i, (k, v)) in enumerate(info2):
text = "{}: {}".format(k, v)
cv2.putText(
frame,
text,
(265, H - ((i * 20) + 60)),
cv2.FONT_HERSHEY_SIMPLEX,
0.6,
(255, 255, 255),
2,
)
if config.Log:
datetimee = [datetime.datetime.now()]
d = [datetimee, empty1, empty, x]
export_data = zip_longest(*d, fillvalue="")
with open("Log.csv", "w", newline="") as myfile:
wr = csv.writer(myfile, quoting=csv.QUOTE_ALL)
wr.writerow(("End Time", "In", "Out", "Total Inside"))
wr.writerows(export_data)
ret, buffer = cv2.imencode(".jpg", frame)
frame = buffer.tobytes()
yield (b"--frame\r\n"
b"Content-Type: image/jpeg\r\n\r\n" + frame + b"\r\n"
) # concat frame one by one and show result