def refreshFrame(frame, faceCoordinates):
    if faceCoordinates is not None:
        fdu.drawFace(frame, faceCoordinates)
    cv2.imshow(windowsName, frame)
def refreshFrame(frame, faceCoordinates):
    if faceCoordinates is not None:
        fdu.drawFace(frame, faceCoordinates)
    cv2.imshow(windowsName, frame)
def refreshFrame(frame, faceCoordinates, emotion):
    if faceCoordinates is not None:
        fdu.drawFace(frame, faceCoordinates)
        fdu.drawText(frame, faceCoordinates, emotion)
    cv2.imshow(windowsName, frame)