import tensorflow as tf

      rpn_score_loss_t = tf.reshape(rpn_score_loss, [1])
      rpn_box_loss_t = tf.reshape(rpn_box_loss, [1])
      total_fast_rcnn_loss_t = tf.reshape(total_fast_rcnn_loss, [1])
      fast_rcnn_class_loss_t = tf.reshape(fast_rcnn_class_loss, [1])
      fast_rcnn_box_loss_t = tf.reshape(fast_rcnn_box_loss, [1])
      mask_loss_t = tf.reshape(mask_loss, [1])
