import tensorflow as tf

            self.b1 = tf.get_variable('b1', [2048],initializer=tf.constant_initializer(0.0))
            self.b2 = tf.get_variable('b2', [3072],initializer=tf.constant_initializer(0.0))
            self.b3 = tf.get_variable('b3', [512],initializer=tf.constant_initializer(0.0))
            self.b4 = tf.get_variable('b4', [classnum],initializer=tf.constant_initializer(0.0))

    def inference(self,images):
