def load_disp(self, filename):
    (data, scale) = pfm_imread(filename)
    data = np.ascontiguousarray(data, dtype=np.float32)
    return data
def load_disp(self, filename):
    (data, scale) = pfm_imread(filename)
    data = np.ascontiguousarray(data, dtype=np.float32)
    return data