@staticmethod
def calcOujilide(img):
    img_new = img[938:1035, 1935:2247]
    img_new_num = (np.sum(img_new) / ((img_new.shape[0] * img_new.shape[1]) * img_new.shape[2]))
    return img_new_num
@staticmethod
def calcOujilide(img):
    img_new = img[938:1035, 1935:2247]
    img_new_num = (np.sum(img_new) / ((img_new.shape[0] * img_new.shape[1]) * img_new.shape[2]))
    return img_new_num