pix2pix_model.py 文件源码

def replace_black_with_white_color(image_tensor):
  is_black = tf.reduce_all(
  tf.equal(image_tensor, (0, 0, 0)),
    axis=-1
  )
  is_black = tf.stack([is_black] * 3, axis=-1)
  return tf.where(
    is_black,
    255 * tf.ones_like(image_tensor),
    image_tensor
  )