def __init__(self, proxy_map):
        super(SpecificWorker, self).__init__(proxy_map)
        self.timer.timeout.connect(self.compute)
        self.Period = 20
        self.timer.start(self.Period)
        self.model = ''
        self.prototxt = ''
        self.embedding_model = ''
        self.confidence = 0.5
        self.ct = CentroidTracker()
        self.net = None
        self.embedder = None
        self.recognizer = None
        self.label_encoder = None
        self.writting = False

        self.name_dir = ''
        self.faces = None # lo que se envia a humanPose

        # interfaz
        self.ui.name_lineEdit.textEdited.connect(self.name_changed)
        self.ui.name_lineEdit.editingFinished.connect(self.name_finished)
        self.ui.add_person_button.clicked.connect(self.add_person)
        self.ui.train_button.clicked.connect(self.update_model)
Example #2
0
args = vars(ap.parse_args())

with open(os.path.join(args["yolo"], "coco.names"), "rt") as f:
    classes = f.read().rstrip("\n").split("\n")

cfg = os.path.join(args["yolo"], "yolov3-tiny.cfg")
weights = os.path.join(args['yolo'], "yolov3-tiny.weights")

logging.info("Loading Model ...")
net = cv2.dnn.readNetFromDarknet(cfg, weights)

writer = None
W = None
H = None

ct = CentroidTracker(maxDisappeared=40)

trackers = []
trackableObject = {}

prev_sum = 0
prev_roi = np.array([0, 0, 0])
prev_dist = 0
active_obj = {}
totalFrames = 0


def check_active():
    try:
        for id, obj in active_obj.items():
            if "frames_not_active" in obj and obj["frames_not_active"] > 120:
class SpecificWorker(GenericWorker):
    def __init__(self, proxy_map):
        super(SpecificWorker, self).__init__(proxy_map)
        self.timer.timeout.connect(self.compute)
        self.Period = 20
        self.timer.start(self.Period)
        self.model = ''
        self.prototxt = ''
        self.embedding_model = ''
        self.confidence = 0.5
        self.ct = CentroidTracker()
        self.net = None
        self.embedder = None
        self.recognizer = None
        self.label_encoder = None
        self.writting = False

        self.name_dir = ''
        self.faces = None # lo que se envia a humanPose

        # interfaz
        self.ui.name_lineEdit.textEdited.connect(self.name_changed)
        self.ui.name_lineEdit.editingFinished.connect(self.name_finished)
        self.ui.add_person_button.clicked.connect(self.add_person)
        self.ui.train_button.clicked.connect(self.update_model)


    def read_files(self):

        print("[INFO] loading face detector...")
        self.model = "/home/robocomp/robocomp/components/robocomp-viriato/components/faceTracking/files/res10_300x300_ssd_iter_140000.caffemodel"
        self.prototxt = "/home/robocomp/robocomp/components/robocomp-viriato/components/faceTracking/files/deploy.prototxt"
        self.net = cv2.dnn.readNetFromCaffe(self.prototxt, self.model)

        print("[INFO] loading face recognizer...")
        self.embedding_model = "/home/robocomp/robocomp/components/robocomp-viriato/components/faceTracking/files/openface_nn4.small2.v1.t7"
        self.embedder = cv2.dnn.readNetFromTorch(self.embedding_model)
        recog= "/home/robocomp/robocomp/components/robocomp-viriato/components/faceTracking/files/output/recognizer.pickle"
        le = "/home/robocomp/robocomp/components/robocomp-viriato/components/faceTracking/files/output/le.pickle"

        self.recognizer = pickle.loads(open(recog).read())
        self.label_encoder = pickle.loads(open(le).read())


        print (CURRENT_PATH)

    def setParams(self, params):
        self.read_files()
        self.show()

        return True



    def name_changed(self,text):
        self.name_dir = text
        self.writting = True

    def name_finished(self):
        self.writting = False

    def time_Lapse(self, dir):
        QMessageBox().information(self.focusWidget(), 'Time Lapse', 'For a better recognition rotate the face in several directions. Push OK to start', QMessageBox.Ok)

        for count in range(10):
            color, _, _, _ = self.rgbd_proxy.getData()
            frame = np.fromstring(color, dtype=np.uint8)
            frame = np.reshape(frame, (480, 640, 3))
            frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)

            # (h, w) = frame.shape[:2]
            # blob = cv2.dnn.blobFromImage(cv2.resize(frame, (300, 300)), 1.0,
            #                              (300, 300), (104.0, 177.0, 123.0))
            #
            # self.net.setInput(blob)
            # detections = self.net.forward()
            #
            # for i in range(0, detections.shape[2]):
            #
            #     confidence = detections[0, 0, i, 2]
            #     if confidence >self.confidence:
            #
            #         box = detections[0, 0, i, 3:7] * np.array([w, h, w, h])
            #         (startX, startY, endX, endY) = box.astype("int")
            #         startX = startX -100
            #         startY = startY -100
            #         endX = endX + 100
            #         endY = endY + 100
            #
            #         face = frame[startY:endY, startX:endX]
            # pass the blob through the network and obtain the detections and
            # predictions

            print ("Saving frame%d.jpg" % count)

            name_file = os.path.join(dir, "frame%d.jpg" % count)
            cv2.imwrite(name_file, frame)
            time.sleep(0.2)


    def add_person(self):
        self.writting = True

        if (self.name_dir.strip() == "") :
            print ("No name inserted")
            return

        dir = os.path.join(CURRENT_PATH,"../files/dataset", self.name_dir.strip().lower())  #se crea el directorio en minusculas y sin espacios
        print (dir)

        if os.path.isdir(dir):
            reply = QMessageBox.question(self.focusWidget(), 'The directory already exists',
                                         ' Do you want to overwrite it?', QMessageBox.Yes, QMessageBox.No)

            if reply == QtGui.QMessageBox.No:
                self.ui.name_lineEdit.clear()
                self.writting = False
                return

            else:
                self.time_Lapse(dir)

        else:
            os.mkdir(dir)
            self.time_Lapse(dir)

        self.update_model()



        self.ui.name_lineEdit.clear()
        self.writting = False

    def update_model(self):

        reply2 = QMessageBox.question(self.focusWidget(), 'The model needs to be trained',
                                      ' Do you want to train the model? It may take a while', QMessageBox.Yes,
                                      QMessageBox.No)

        if reply2 == QtGui.QMessageBox.No:
            return

        else:
            ExEm.extract_embeddings()
            TM.train_model()
            self.read_files()

        print ("[INFO] Model updated ")

    @QtCore.Slot()
    def compute(self):

        if self.writting is False:

            color,_, _, _ = self.rgbd_proxy.getData()
            frame = np.fromstring(color, dtype=np.uint8)
            frame = np.reshape(frame,(480, 640, 3))

            (h, w) = frame.shape[:2]
            blob = cv2.dnn.blobFromImage(cv2.resize(frame, (300, 300)), 1.0,
                                         (300, 300), (104.0, 177.0, 123.0))

            # pass the blob through the network and obtain the detections and
            # predictions
            self.net.setInput(blob)
            detections = self.net.forward()
            rects = []

            bounding_boxes = []
            for i in range(0, detections.shape[2]):

                confidence = detections[0, 0, i, 2]
                if confidence >self.confidence:

                    box = detections[0, 0, i, 3:7] * np.array([w, h, w, h])
                    (startX, startY, endX, endY) = box.astype("int")

                    qr = QRect(QPoint(startX, endY), QPoint(endX,startY))
                    bounding_boxes.append(qr)

                    rects.append(box.astype("int"))

            objects = self.ct.update(rects)

            # loop over the tracked objects

            faces_found = []

            for (objectID, centroid) in objects.items():
                faceT = TFace()
                tracking = False
                for qrects in bounding_boxes:

                    if qrects.contains(QPoint(centroid[0],centroid[1])):
                        faceT.tracking = True
                        bbox = Box()
                        (bbox.posx, bbox.posy, bbox.width,bbox.height) = qrects.getRect()


                        faceT.boundingbox = bbox
                        tracking = True

                        (startX, endY , endX, startY) = qrects.getCoords()

                        # extract the face ROI
                        face = frame[startY:endY, startX:endX]
                        (fH, fW) = face.shape[:2]

                        # ensure the face width and height are sufficiently large
                        if fW < 20 or fH < 20:
                            continue

                        faceBlob = cv2.dnn.blobFromImage(face, 1.0 / 255,
                                                         (96, 96), (0, 0, 0), swapRB=True, crop=False)
                        self.embedder.setInput(faceBlob)
                        vec = self.embedder.forward()

                        # perform classification to recognize the face
                        preds = self.recognizer.predict_proba(vec)[0]
                        j = np.argmax(preds)

                        proba = preds[j] *100
                        if (proba < 50):
                            name = "unknow"

                        else:
                            name = self.label_encoder.classes_[j]

                        # draw the bounding box of the face along with the
                        # associated probability
                        text = "{}: {:.2f}%".format(name, proba)
                        y = startY - 10 if startY - 10 > 10 else startY + 10
                        cv2.rectangle(frame, (startX, startY), (endX, endY),
                                      (255, 10, 150), 2)

                        cv2.putText(frame, text, (startX, y),
                                    cv2.FONT_HERSHEY_SIMPLEX, 0.45, (255, 10, 150), 2)

                        faceT.name = name
                        faceT.confidence = proba*100

                        break

                if (tracking == False):
                    faceT.tracking = False

                pnt = Point()
                pnt.x = centroid[0]
                pnt.y = centroid [1]

                faceT.id = objectID
                faceT.centroid =  pnt




                # 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, 10, 150), 2)
                cv2.circle(frame, (centroid[0], centroid[1]), 4, (255, 10, 150), -1)


                faces_found.append(faceT)

            self.faces = faces_found


            height, width, channel = frame.shape
            bytesPerLine = 3 * width
            qImg = QImage(frame.data, width, height, bytesPerLine, QImage.Format_RGB888)

            self.ui.image_label.setPixmap(QPixmap.fromImage(qImg))

            return True

    #
    # getFaces
    #
    def getFaces(self):
        return self.faces
Example #4
0
cap.set(cv.CAP_PROP_FOURCC, fourcc)
# #Decrease frame size
# # cap.set(5, 10)
# cap.set(cv.CAP_PROP_FPS, 120)
# # cap.set(cv.CAP_PROP_EXPOSURE, -7 )
# cap.set(cv.CAP_PROP_FRAME_WIDTH, 640)
# cap.set(cv.CAP_PROP_FRAME_HEIGHT, 480)

# vs = WebcamVideoStream(src=1).start()

fgbg = cv.createBackgroundSubtractorMOG2()
kernel_dil = np.ones((20, 20), np.uint8)
kernel = cv.getStructuringElement(cv.MORPH_ELLIPSE, (3, 3))

ct = CentroidTracker()
trackableObjects = {}
# 418 37
# 1357 86
# 429 814
# 1405 750
totalHit = 0
WaitingFrame = 0
i = 0
# (H, W) = (1600, 869)
(H, W) = (1920, 1080)

while (1):
    rec, frame = cap.read()
    fps = cap.get(cv.CAP_PROP_FPS)
    print("fps = " + str(fps))
Example #5
0
def detect_video(yolo, video_path, output_path=""):
    if video_path.isdigit():
        video_path = int(video_path)
    vid = cv2.VideoCapture(video_path)
    if not vid.isOpened():
        raise IOError("Couldn't open webcam or video")
    video_FourCC = cv2.VideoWriter_fourcc(*"mp4v")
    video_fps = vid.get(cv2.CAP_PROP_FPS)
    video_size = (int(vid.get(cv2.CAP_PROP_FRAME_WIDTH)),
                  int(vid.get(cv2.CAP_PROP_FRAME_HEIGHT)))
    # print("input video size: {}".format(video_size))

    isOutput = True if output_path != "" else False
    if isOutput:
        # print("!!! TYPE:", type(output_path), type(video_FourCC), type(video_fps), type(video_size))
        out = cv2.VideoWriter(output_path, video_FourCC, video_fps, video_size)

    # fgbg = cv2.createBackgroundSubtractorKNN()
    fgbg = cv2.bgsegm.createBackgroundSubtractorGSOC()
    ct = CentroidTracker(maxDisappeared=40, maxDistance=90)
    trackableObjects = {}
    del_ID = 0
    count_a = 0
    count_b = 0
    flag = False
    max_area = 0
    min_area = video_size[0] * video_size[1]
    area_time = 0
    accum_time = 0
    curr_fps = 0
    max_fps = 0
    fps = "FPS: ??"
    n = 0
    sum_fps = 0

    prev_time = timer()
    while True:
        _, frame = vid.read()
        if type(frame) == type(None): break

        resize_img = cv2.resize(frame,
                                (frame.shape[1] // 3, frame.shape[0] // 3))
        mask = fgbg.apply(resize_img)
        # mask1 = mask
        # thresh = cv2.threshold(mask, 3, 255, cv2.THRESH_BINARY)[1]
        cv2.namedWindow('maskwindow', cv2.WINDOW_NORMAL)
        cv2.imshow('maskwindow', mask)

        if flag:
            out_image = frame
            contours, hierarchy = cv2.findContours(mask.copy(),
                                                   cv2.RETR_EXTERNAL,
                                                   cv2.CHAIN_APPROX_SIMPLE)
            for _, cnt in enumerate(contours):
                area = cv2.contourArea(cnt)
                if area > min_area and area < (max_area):
                    flag = False
                    break
        else:
            image = Image.fromarray(frame)
            image, out_boxes, out_scores = yolo.detect_image(image)
            out_boxes = get_area(mask, out_boxes, out_scores)
            # if len(out_boxes) != 0:
            #     for i, box in enumerate(out_boxes):
            #         cv2.rectangle(frame, (box[1] // 3, box[0] // 3), (box[3] // 3, box[2] // 3), (127, 255, 0), thickness=1)
            objects = ct.update(out_boxes)
            color_list = get_color(frame, objects)
            image, count_b, count_a = track_objects(image, objects, count_b,
                                                    count_a, trackableObjects,
                                                    color_list)
            out_image = np.asarray(image)
            if len(out_boxes) != 0:
                for i, box in enumerate(out_boxes):
                    cv2.rectangle(out_image, (box[1], box[0]),
                                  (box[3], box[2]), (127, 255, 0),
                                  thickness=2)

            if len(objects) != 0:
                objects_ID = list(objects.keys())
                trackable_ID = list(trackableObjects.keys())
                non_IDs = list(set(trackable_ID) - set(objects_ID))
                for non_ID in non_IDs:
                    del trackableObjects[non_ID]
                if area_time < 150:
                    max_area, min_area = max_min_area(mask, out_boxes,
                                                      out_scores, max_area,
                                                      min_area)
                    area_time += 1
            elif len(objects) == 0 and area_time >= 150:
                flag = True

        cv2.line(out_image,
                 (0, count_line(out_image.shape[1], out_image.shape[0], 0)),
                 (out_image.shape[1],
                  count_line(out_image.shape[1], out_image.shape[0],
                             out_image.shape[1])),
                 color=(127, 255, 0),
                 thickness=3)

        curr_time = timer()
        exec_time = curr_time - prev_time
        prev_time = curr_time
        accum_time = accum_time + exec_time
        curr_fps = curr_fps + 1
        if accum_time > 1:
            accum_time = accum_time - 1
            fps = "FPS: " + str(curr_fps)
            if max_fps < curr_fps:
                max_fps = curr_fps
            sum_fps += curr_fps
            n += 1
            curr_fps = 0
            print(fps)
        cv2.putText(out_image,
                    text=fps,
                    org=(3, 15),
                    fontFace=cv2.FONT_HERSHEY_SIMPLEX,
                    fontScale=0.50,
                    color=(127, 255, 0),
                    thickness=2)

        info = [("count B", count_b), ("coutn A", count_a),
                ("min area", min_area), ("max area", max_area)]
        for (i, (k, v)) in enumerate(info):
            textInfo = "{}: {}".format(k, v)
            cv2.putText(out_image,
                        text=textInfo,
                        org=(10, out_image.shape[0] - ((30 * i) + 20)),
                        fontFace=cv2.FONT_HERSHEY_SIMPLEX,
                        fontScale=0.7,
                        color=(127, 255, 0),
                        thickness=1)

        cv2.namedWindow("result", cv2.WINDOW_NORMAL)
        cv2.imshow("result", out_image)
        # cv2.namedWindow('maskwindow', cv2.WINDOW_NORMAL)
        # cv2.imshow('maskwindow', mask1)

        if isOutput:
            out.write(out_image)
        if cv2.waitKey(1) & 0xFF == ord('q'):
            break

    print("Max area: {}, Min area: {}".format(max_area, min_area))
    print("Max FPS: {}FPS".format(max_fps))
    print("Ave FPS: {:.2f}FPS".format(sum_fps / n))
    yolo.close_session()
                "--prototxt",
                required=True,
                help="path to Caffe 'deploy' prototxt file")
ap.add_argument("-m",
                "--model",
                required=True,
                help="path to Caffe pre-trained model")
ap.add_argument("-c",
                "--confidence",
                type=float,
                default=0.5,
                help="minimum probability to filter weak detections")
args = vars(ap.parse_args())

# initialize our centroid tracker and frame dimensions
ct = CentroidTracker()
(H, W) = (None, None)

# load our serialized model from disk
print("[INFO] loading model...")
net = cv2.dnn.readNetFromCaffe(args["prototxt"], args["model"])

# initialize the video stream and allow the camera sensor to warmup
print("[INFO] starting video stream...")
vs = VideoStream(src=0).start()
time.sleep(2.0)

# loop over the frames from the video stream
while True:
    # read the next frame from the video stream and resize it
    frame = vs.read()
Example #7
0
# initialize the video stream and allow the camera sensor to warmup
print("[INFO] warming up camera...")
vs = VideoStream(src=0).start()
#vs = cv2.VideoCapture(args["input"])
time.sleep(2.0)

# initialize the frame dimensions (we'll set them as soon as we read
# the first frame from the video)
H = None
W = 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=conf["max_disappear"],
                     maxDistance=conf["max_distance"])
trackers = []
trackableObjects = {}

# keep the count of total number of frames
totalFrames = 0

# initialize the log file
logFile = None

# initialize the list of various points used to calculate the avg of
# the vehicle speed
points = [("A", "B"), ("B", "C"), ("C", "D")]

# start the frames per second throughput estimator
fps = FPS().start()
Example #8
0
if not args.get("input", False):
    print("[INFO] starting video stream...")
    vs = VideoStream(src=0).start()
    time.sleep(2.0)

else:
    print("[INFO] opening video file...")
    vs = cv2.VideoCapture(args["input"])

writer = None

W = None
H = None

ct = CentroidTracker(maxDisappeared=10, maxDistance=30)
trackers = []
trackableObjects = {}

totalFrames = 0
totalDown = 0
totalUp = 0

fps = FPS().start()

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
Example #9
0
def main():

    default_model_dir = '../all_models'

    default_model = '../all_models/mobilenet_ssd_v2_coco_quant_postprocess_edgetpu.tflite'

    default_labels = '../all_models/coco_labels.txt'

    parser = argparse.ArgumentParser()

    parser.add_argument('--model',
                        help='.tflite model path',
                        default=os.path.join(default_model_dir, default_model))

    parser.add_argument('--labels',
                        help='label file path',
                        default=os.path.join(default_model_dir,
                                             default_labels))

    parser.add_argument(
        '--top_k',
        type=int,
        default=1,
        help='number of categories with highest score to display')

    parser.add_argument('--camera_idx',
                        type=str,
                        help='Index of which video source to use. ',
                        default=0)

    parser.add_argument('--threshold',
                        type=float,
                        default=0.5,
                        help='classifier score threshold')

    args = parser.parse_args()
    #=================================================================
    # initialize the frame dimensions (we'll set them as soon as we read
    # the first frame from the video)
    W = 640
    H = 480
    ct = CentroidTracker()
    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
    #===========================================================================
    #print('Loading Handtracking model {} with {} labels.'.format(args.model, args.labels))

    #engine = DetectionEngine(args.model)
    #labels = load_labels(args.labels)
    #=====================================================================
    src_size = (W, H)
    print('Loading Detection model {} with {} labels.'.format(
        args.model, args.labels))
    engine2 = DetectionEngine(args.model)
    labels2 = load_labels(args.labels)
    cap = cv2.VideoCapture(args.camera_idx)
    while cap.isOpened():
        #while cv2.waitKey(1)<0:
        ret, frame = cap.read()
        if not ret:
            break
        cv2_im = frame

        cv2_im_rgb = cv2.cvtColor(cv2_im, cv2.COLOR_BGR2RGB)
        pil_im = Image.fromarray(cv2_im_rgb)

        #declare new window for show pose in 2d plane========================
        h_cap, w_cap, _ = cv2_im.shape
        cv2_sodidi = np.zeros((h_cap, w_cap, 3), np.uint8)
        #================================================================
        objs = engine2.detect_with_image(pil_im,
                                         threshold=0.2,
                                         keep_aspect_ratio=True,
                                         relative_coord=True,
                                         top_k=3)
        cv2_im, rects = append_objs_to_img(cv2_im, objs, labels2)

        #==================tracking=================================================
        status = "Waiting"
        cv2.line(cv2_im, (W // 2, 0), (W // 2, H), (0, 255, 255), 2)
        objects = ct.update(rects)

        print(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
                        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
                        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(cv2_im, text, (centroid[0] - 10, centroid[1] - 10),
                        cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 255, 0), 2)
            cv2.circle(cv2_im, (centroid[0], centroid[1]), 4, (0, 255, 0), -1)

        # construct a tuple of information we will be displaying on the
        # frame
        info = [
            ("Up", totalUp),
            ("Down", totalDown),
            ("Status", status),
        ]

        # loop over the info tuples and draw them on our frame
        for (i, (k, v)) in enumerate(info):
            text = "{}: {}".format(k, v)
            cv2.putText(cv2_im, text, (10, H - ((i * 20) + 20)),
                        cv2.FONT_HERSHEY_SIMPLEX, 0.6, (0, 0, 255), 2)
        #======================================================================

        cv2.imshow('frame', cv2_im)
        cv2.imshow('1', cv2_sodidi)

        #===========print mouse pos=====================
        cv2.setMouseCallback('frame', onMouse)
        posNp = np.array(posList)
        print(posNp)
        #============streamming to server==============
        img = np.hstack((cv2_im, cv2_sodidi))
        #thay frame = img
        encoded, buffer = cv2.imencode('.jpg', img)
        jpg_as_text = base64.b64encode(buffer)
        footage_socket.send(jpg_as_text)
        #=============================================
        if cv2.waitKey(1) & 0xFF == ord('q'):
            break

    cap.release()
    cv2.destroyAllWindows()
Example #10
0
# detect
CLASSES = [
    "background", "aeroplane", "bicycle", "bird", "boat", "bottle", "bus",
    "car", "cat", "chair", "cow", "diningtable", "dog", "horse", "motorbike",
    "person", "pottedplant", "sheep", "sofa", "train", "tvmonitor"
]

# 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


def count_people():
    global vs, outputFrame, lock, W, H, totalUp, totalFrames, totalDown

    # load our serialized model from disk
    print("[INFO] loading model...")