nnutil.py 文件源码

def l1_robust_loss(predictions, targets, name=None):
  with tf.name_scope(name, 'HuberLoss', [predictions, targets]):
    delta = predictions - targets
    return tf.select(tf.abs(delta) < 1,
                     0.5 * tf.square(delta),
                     tf.abs(delta) - 0.5)