def bdrs(x, n_filters):
     return nn.BackDownRightShiftConv3D(n_filters,
                                        filter_size=filter_size,
                                        **conv_args)(x)
 def bdrs(x):
     return nn.BackDownRightShiftConv3D(n_filters,
                                        use_bias=False,
                                        nln=tf.nn.elu)(x)