yad2k.py 文件源码

def space_to_depth_x2(x):
    """Thin wrapper for Tensorflow space_to_depth with block_size=2."""
    # Import currently required to make Lambda work.
    # See: https://github.com/fchollet/keras/issues/5088#issuecomment-273851273
    import tensorflow as tf
    return tf.space_to_depth(x, block_size=2)