def load(self):
        if os.path.exists(self.path):
            with open(self.path, 'r') as f:
                self.body_labels = collections.OrderedDict(json.load(f))
def loopcv():
  import cv
  while 1:
    cv.ShowImage('hi',get_depth().astype(np.uint8))
    cv.WaitKey(10)