import tensorflow as tf

    def __init__(self,name,input_dim,out_dim,
                 k_h=4,k_w=4,d_h=2,d_w=2,stddev=0.02,data_format='NCHW') :
        with tf.variable_scope(name) :
            self.w = tf.get_variable('w', [k_h, k_w, out_dim, input_dim],
