import tensorflow as tf

            # Center each group using the mean.
            # shape = (
            #     cur_batch_size,
            #     image_size,
            #     image_size,
            #     num_channels
            # )
            centered_image = tf.subtract(
                x=X, y=mean, name="centered_image"
            )
            print_obj(
                "ungrouped_minibatch_stddev",
                "centered_image",
                centered_image
