@classmethod
def max_pool(cls, bottom, name='pool'):
    pooled = tf.nn.max_pool(bottom, ksize=[1, 2, 2, 1], strides=[1, 2, 2, 1], padding='VALID', name=name)
    return pooled
@classmethod
def max_pool(cls, bottom, name='pool'):
    pooled = tf.nn.max_pool(bottom, ksize=[1, 2, 2, 1], strides=[1, 2, 2, 1], padding='VALID', name=name)
    return pooled