utils.py 文件源码

def random_bright_shift(arr, tf):
    img = to_PIL(arr, tf)
    if tf: return ImageEnhance.Brightness(img).enhance(np.random.uniform(0.8, 1.2))
    return to_theano(ImageEnhance.Brightness(img).enhance(np.random.uniform(0.8, 1.2)))